Sian Proctor: It’s Getting Fishy, July 20, 2017

NOAA Teacher at Sea

Sian Proctor

Aboard NOAA Ship Oscar Dyson

July 2 – 22, 2017

Mission: Gulf of Alaska Pollock Survey

Geographic Area of Cruise: Gulf of Alaska

Date: July 20, 2017

 

Me with an adult pollock.

Me with an adult pollock.

Weather Data from the Bridge

  • Latitude:  57° 47.02 N
  • Longitude: 152° 24.56 W
  • Time: 1700
  • Sky: Overcast
  • Visibility:  2 nautical miles
  • Wind Direction: variable
  • Wind Speed:  Knots
  • Sea Wave Height:  0  foot swell
  • Barometric Pressure:  994 millibars
  • Sea Water Temperature:   11.9° C
  • Air Temperature:   12.2° C

Science and Technology Log: It’s Getting Fishy!

Alaska pollock are found in the Bering Sea and Gulf of Alaska and are part of the cod family. The dorsal side of the pollock is speckled brown in color with a slight olive green hue and the ventral side is silver. They eat krill, copepods, and small fish – mainly their own offspring. They quickly grow into adults, reaching reproductive age after 3-4 years, and are very fertile, replacing harvested fish in just a few years. Pollock swim in large schools during the day and disperse overnight. They can be found throughout the water column, but young pollock tend to live in the mid-water region while the older fish tend to live near the sea floor.

Alaska_Pollock_-_source_NOAA_fishwatch.govScience-based monitoring and management play a key role in the sustainability of the Alaska pollock fishery. It is managed by the North Pacific Fishery Management Council based on data provided by the NOAA’s Alaska Fisheries Science Center. The Alaska pollock fishery is the largest, by volume, in the United States and one of the most valuable in the world.  Products made from pollock include fish fillet, roe eggs, and imitation crab. The entire industry is valued at over a billion dollars. It is also considered one of the best-managed fisheries in the world. Scientists from the Alaska Fisheries Science Center conduct acoustic trawl surveys to estimate the abundance of Alaska pollock using acoustics and by catching small samples.

While on NOAA Ship Oscar Dyson I had the opportunity to spend time in  the fish lab learning how pollock data are collected.. This video is an example of what I experienced.

The main way commercial pollock is caught in the United States is by net. Scientifically trained observers are sent out on U.S. pollock fishing boats and, similar to the NOAA scientists, they collect sample data from each catch and send it back to NOAA.  They also observe the fishing practices on the boat and  report any regulatory infractions. All the collected data and interactions between the fishing industry and NOAA have been established to make sure the Alaska pollock fishery remains sustainable.

NOAA Opportunities for students: https://www.afsc.noaa.gov/education/students/careers.htm 

Interview with Michael Martin

Fisheries Biologist

  • Official Title
    • Deputy Director
  • Normal Job Duties
    • Leadership and administration of the Resource Assessment and Conservation Engineering (RACE) Division within Alaska Fisheries Science Center (AFSC)
  • What is your current position on Oscar Dyson?
    • Fish lab biologist
  • How long have you been working on Oscar Dyson?
    • of and on for ~ 10 years
  • Why the ocean? What made you choose a career at sea?
    • I loved exploring sea creatures a the beach as a kid; Jacques Cousteau.
  • What is your favorite thing about going to sea on Oscar Dyson?
    • Getting out of the office; Seeing amazing scientists do their work and getting to participate.
  • Why is your work (or research) important?
    • The information we collect plays a very important role in managing fisheries in Alaska, providing economic and food security for many people. We also do tremendous research that benefits the science community and subsequently people world-wide. We are among the leaders in understanding fish and invertebrate abundance and behavior in the world.
  • When did you know you wanted to pursue a career in science or an ocean career?
    • I’m still trying to figure out what I want to do if I grow up! Probably between 10 and 13 years old I developed an interest in the ocean.
  • What part of your job with NOAA (or contracted to NOAA) did you least expect to be doing?
    • Dealing with bureaucracy.
  • What are some of the challenges with your job?
    • Leading a group of scientists is, in some ways, like herding a group of very intelligent cats. They are very focused on their research and have very strong opinions about things that they feel could detract their ability to do the best job possible. This can be a challenge for me at times, but is a great problem to have!
  • What are some of the rewards with your job?
    • Being able to facilitate scientists and help them accomplish their goals is very rewarding.
  • Describe a memorable moment at sea.
    • Rescuing a family in a life raft that had been missing for 3+ days.

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Interview with Meredith Emery

Fisheries Biologist

  • Official Title
    • Survey Technician
  • Normal Job Duties
    • As Survey Technicians, our primary responsibility is to monitor and maintain fisheries and oceanographic equipment. In addition, we have to run and verify the Scientific Computer System (SCS) is collecting quality data and all the ship’s sensors connected to SCS are working properly. We also are the liaison between scientists and the crew members, and assist the scientists with any part of their research. Survey Technicians have the unique opportunity to participate in all aspects of the fisheries or oceanographic operation start to finish. During the fishing operations: 1. Scientist communicates to the people on the bridge, deck and survey technicians when they are going to fishing. 2. We put the fishing equipment on the net, as the net is casting out. 3. Assist the scientists log net dimension data when the net is in the water. 4. As the net is being recovered, we retrieve all the fishing equipment. 5. We help the deck with emptying the catch on the fish table, when needed. 6. Lastly, which is my favorite part, is when we get to assist the scientists collect biological fish samples in the wet lab. During oceanographic operations we are in charge of deploying and recovering the equipment (Conductivity, Temperature and Depth (CTD)). In addition we verify all the sensors on the CTD are presenting quality real time data. From the CTD we can collect water samples that can be used for several studies, like salinity, dissolved oxygen, chlorophyll, or micro plankton. We are able to see the operations in action, understand the importance of the research through the science perspective and ultimately know the reason the Oscar Dyson is in the middle of the Gulf of Alaska.
  • What is your current position on Oscar Dyson?
    • I am one of two Survey Technicians on the Oscar Dyson.
  • How long have you been working on Oscar Dyson?
    • I have been working on the Oscar Dyson about 10 months.
  • Why the ocean? What made you choose a career at sea?
    • My fascination for the ocean started when I was young playing with the anemones on the rocky intertidal beach. I’ve always enjoyed being at the beach and seeing the organisms there. I became curious of life at sea and really wanted to see the marine wild life in action, especially when the ice first melts and there is a high abundance of phytoplankton and zooplankton that attracts marine mammals, birds and fish to migrate there. Being on the Oscar Dyson, I was able to observe the fluctuation between high abundance of phytoplankton, zooplankton or fish, depending on the area and time of year.
  • What is your favorite thing about going to sea on Oscar Dyson?
    • I enjoy seeing the scenery. Like the untouched lands, glaciers, marine wild life; the fishes, mammals or birds. Also I like seeing the endless blue of the ocean, especially calm weather. Really puts the vastness of the ocean in perspective.
  • When did you know you wanted to pursue a career in science or an ocean career?
    • The reason I pursued a career in studying the ocean is because I come to realize that people take the ocean for granted and don’t recognize how much we depend on it. I obtained a Bachelor’s of Science degree in Biology emphasis marine. One of my favorite college courses was oceanography. It was the first time for me to see the connection between geology, physics, chemistry and biology in one scenario like in the ocean processes. Each component relies on the other. First the geological features of the ocean floor and land masses influences the physics of the current flow, wave motion, and up-welling. Then the ocean movement determines the mixing and distribution of the water chemistry. Finally the biodiversity, location, and populations of marine organisms rely on the water chemistry, like nutrients or dissolved oxygen.

Personal Log

I really enjoyed learning about the variety of sea creatures in the Gulf of Alaska. Here is a video showing a few of the sea creatures I encountered. Totally amazing!

Education Tidbit: FishWatch Website

Another cool resources is the Fishwatch website. Here you can learn more information about sustainable fisheries and the science behind the fish we eat. It is worth checking out!

Did You Know?

Did you know that fresh pollock have a very distinctive smell that isn’t like any other fish? It’s not fishy – more like dirty feet!

Marsha Lenz: And We’re Off, June 9, 2017

NOAA Teacher at Sea

Marsha Lenz

Aboard Oscar Dyson

June 8-28, 2017

Mission: MACE Pollock Survey

Geographic Area of Cruise: Gulf of Alaska

Date: June 9, 2017

Weather Data from the Bridge

Latitude: 57° 38’ 38” N

Longitude: 52° 23 48” W

Time: 07:31

Sky: Overcast with fog

Visibility: 3 Nautical Miles

Wind Direction: 130.96

Wind Speed: 2.41 Knots

Sea Wave Height: <1 foot swell

Barometric Pressure: 1003.4 Millibars

Sea Water Temperature: 9.3°C

Air Temperature: 9.6°C

Science and Technology Log

There such is so much science and technology aboard this vessel. I had a tour of the various labs that the research will take place in as well as the various types of equipment and technology that we will be using. We are holding stationary position right now, calibrating the acoustic equipment and have not actually collected any biological data yet. During my tour of the boat, I observed some of the various roles that different people play on this research cruise. It became very clear to me that it is a composition of talents, specialized skills, communication, and respect that is the underlying thread to the success of this research.

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It’s a bit overcast in the Gulf of Alaska.

There are so many specialized skills that are needed for this cruise. Everyone on board has a specific function and it is essential that that function be carried out flawlessly. The central element in all of this is the National Oceanic and Atmospheric Administration (NOAA), because everyone on board, from the engineers, to the deck crew, scientists and officers, work for NOAA. NOAA is an agency within the Department of Commerce that was founded in 1970. It merged three different agencies (the U.S. Coast and Geodetic Survey, The Weather Bureau, and the U.S. Commission of Fish and Fisheries) into one. Its mission is to “understand and predict changes in climate, weather, oceans, and coasts, to share that knowledge and information with others, and to conserve and manage coastal and marine ecosystems and resources”. This is easily condensed into three words: Science, Service and Stewardship.

The boat is run by the NOAA Commissioned Officer Corps (NOAA Corps). NOAA Corps is one of the nation’s seven uniformed services. The officers are (obviously) a part of NOAA, where they support nearly all of NOAA’s programs and missions. They are trained in many areas, including engineering, earth sciences, oceanography, meteorology, and fisheries science.

Becoming a NOAA Corps officer is a career path that some people may choose to pursue. One must have a baccalaureate degree, (preferably in a major course of study related to NOAA’s scientific or technical activities) and attend a 19-week Basic Officer Training Class. This course is very demanding and fast-paced. Once a candidate has completed the training, they are assigned to a NOAA ship for up to three years.

So, what exactly am I doing out here?

That’s a really good question, one that I have been asked many times. I will try to explain it in a nutshell. As you may already know, the fisheries in Alaska are a key part of the economies of Alaska as well as the U.S. Seafood is Alaska’s largest export. According to a study conducted by the McDowell Group in 2015, in 2014, close to 3 billion pounds of seafood product were processed in Alaska with a wholesale value of $4.2 billion. The total seafood harvest for the year was 5.7 billion pounds! That’s a lot of fish.

Needless to say, fishing has always been a way of life for the people of Alaska. Unfortunately, overfishing and poor fishing practices have resulted in a decline in marine health.   Fishing regulations are now in place to ensure that the fisheries can continue to be a vital part of the economy while being sustainable at the same time.

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Fishing and crabbing are a vital part of Alaska’s economy.

NOAA’s marine scientists conduct surveys to collect data on various aspects of the ocean to share with not only the fisheries, but the public as well. Ultimately, they are responsible for monitoring the conditions of the climate and environment, and additionally, taking steps to preserve them. The surveys are designed to monitor changes in the marine ecosystems and set sustainable catch limits for the fisheries.

The purpose of this cruise is to conduct a survey of walleye pollock in the Gulf of Alaska. The scientists will determine the abundance and distribution of pollock and provide the data to stock assessment managers that set pollock catch limits for the following year. The science team is from the Midwater Assessment and Conservation Engineering (MACE) group of the Alaska Fisheries Science Center (AFSC) in Seattle, Washington. They primarily conduct surveys on the status of walleye pollock in the Gulf of Alaska and the Bering Sea. This is the first of 3 legs of the summer assessment. They will conduct the surveys on randomized transect lines using both the net catches and acoustic technology. Though the main focus is to gather data on the walleye pollock, everything that is caught will be weighted, measured, and entered into the data system.

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Alaska Fisheries Science Center and Midwater Assessment and Conservation Engineering work together to conduct the walleye pollock surveys.

You might be wondering what pollock are. Do you eat fish sticks? Have you ever had imitation crab at a sushi restaurant? Then you have most likely eaten pollock. Alaska pollock is a white fish that is wild caught in the Gulf of Alaska, mostly with trawl vessels. They are used in many fish products, including Filet-O-Fish. It has consistently been one of the top five seafood species consumed in the U.S. That’s a pretty popular fish!

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Pollock makes up over half of the fish harvested in Alaska (photo credit: FishWatch.gov)

Trawl vessels use trawling as a way to get their fish. It involves dragging or pulling a large net through the water behind one or more boats. We will be using midwater trawls to catch the fish we will be collecting data from.

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An Aleutian Wing Trawl is 140 meters long and can  gather fish from  30 to 1,000 meters underwater. 

Personal Log

I arrived in Kodiak on Tuesday afternoon and was met at the airport by the scientists who will be conducting the pollock survey. My flight into Kodiak was fairly uneventful. I was, however, a bit baffled though when we entered the plane from the rear and only the back half of the plane was designated for passengers. The front half of the plane was for cargo. There are two primary ways to get things to Kodiak: cargo planes and freighters.

We took a quick 10-minute car ride to the dock. The weather reminded me of Humboldt County. It was drizzly, cool, and people had on their layers. They took me aboard and gave me a quick tour of the vessel where we will be spending the next three weeks.  The NOAA ship Oscar Dyson is said to be one of the most technologically advanced fisheries survey vessels in the world and was named after Oscar Dyson, who was a well-known fishing activist in Alaska. Mr. Dyson was dedicated to managing and improving the industry for those that make their living at sea.

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The Oscar Dyson is a survey vessel used by the National Oceanic and Atmospheric Administration.

Of course I got lost immediately and spent a good 10 minutes trying to find my way back to my room. After a dinner of tacos back in town, we all went to sleep. The rocking of the boat was a nice way to be lulled to sleep. I do not yet know if I will feel the same way once we are out on the open ocean.

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The city of Kodiak has a population of about 6,000 people. (photo credit: Matthew Phillips)

On Thursday, we fueled up. The ship has an 110,00 gallon capacity and uses about 2,100 gallons of gas a day. (Here is a task for my class: Can you calculate how much it costs per day to drive the boat if the cost of gas is $3.00/ gallon?) Fueling up a ship this size is quite a task. It requires a lot of people and a lot of communication. Fuel spill booms are put around the boat to protect the water should there be a gas spill. After the fuel up (which takes over 4 hours!), the booms are removed again. We left the pier and started out. The sky was gray and there was some light rain, but I was still mesmerized by the pure beauty surrounding us. We pulled into a nearby quiet bay so the scientists could calibrate their equipment.

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Leaving the Port of Kodiak

The scientists have been working hard to calibrate the machinery. This requires many hours, many hands, and minds all working together. Once all of the machinery is calibrated, we can set sail to the starting point near the Islands of the Four Mountains in the Aleutian Islands. It should take us 2 and half days (760 miles) to get there. The Oscar Dyson can go 12.5 knots. A “knot” is 1.151 miles/hour.

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We are currently holding stationary position while the scientists calibrate their equipment (photo credit: marinetraffic.com)

We have started adjusting to our 12-hour shifts. My shift will be from 4 am to 4 pm. This means that I will be setting my alarm for 3:30 every morning, grabbing a cup of coffee (well, a double latte, actually!) and heading down to the “Wet lab”. There we will be pull up the hauls of fish, sort them by species, separate males and females, measure their lengths, and remove the otoliths (ear bones). The purpose of studying the otolith is to determine the age of the fish. An otolith is a calcium carbonate structure in the inner ear of the fish. They are very similar to the rings of a tree. They add a new layer every year and give the scientists valuable data on the age structure of the population.

Did You Know?

  • All Pollock is wild-caught in the ocean. There is no commercial aquaculture for this species.
  • Since 2001, U.S. commercial landings of Alaskan Pollock (primarily in Alaska) have been well over 2 billion pounds each year.

Cristina Veresan, Lights, Camera, Ocean! August 13, 2015

NOAA Teacher at Sea
Cristina Veresan
Aboard NOAA Ship Oscar Dyson
July 28 – August 16, 2015 

Mission: Walleye Pollock Acoustic-Trawl survey
Geographical area of cruise: Gulf of Alaska
Date: Wednesday, August 13, 2015

Data from the Bridge:
Latitude: 59° 18.31’N
Longitude: 141° 36.22’W
Sky: Overcast
Visibility: 10 miles
Wind Direction: 358
Wind speed: 8 knots
Sea Wave Height: < 1 feet
Swell Wave: 2-3 feet
Sea Water Temperature: 16.2°C
Dry Temperature: 15°C

Science and Technology Log

When my shift begins at 4am, I often get to participate in a few “camera drops” before the sun comes up and we begin sailing our transect lines looking for fish. We are conducting the “camera drops” on a grid of 5 km squares provided by the Alaska Fisheries Science Center bottom trawl survey that shows whether the seafloor across the Gulf of Alaska is “trawlable” or “untrawlable” based on several criteria to that survey. The DropCam footage, used in conjunction with a multi-beam echosounder, helps verify the “trawlability” designation and also helps identify and measure fish seen with the echosounder.

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The Drop Camera being deployed

The DropCam is made up of strobe lights and two cameras, one color and one black and white, contained in a steel frame. The cameras shoot in stereo, calibrated so scientists can get measurements from rocks, fish, and anything else on the images. When the ship is stopped, the DropCam can be deployed on a hydrowire by the deck crew and Survey Tech. In the Chem Lab, the wire can be moved up and down by a joystick connected to a winch on deck while the DropCam images are being viewed on a computer monitor. The ship drifts with  the current so the camera moves over the seafloor at about a knot, but you still have to “drive” with the joystick to move it up and down, keeping close to the bottom while avoiding obstacles. The bottom time is 15 minutes for each drop. It’s fun to watch the footage in real-time, and often we see really cool creatures as we explore the ocean floor! The images from the DropCam are later analyzed to identify and length fish species, count number of individual fish, and classify substrate type.

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Emily “drives” the camera from the Chem Lab as the sun begins to rise

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DropCam images (clockwise from top left) a skate, brittle stars, a cruising halibut, two rockfish in rocky habitat

Technology enables scientists to collect physical oceanographic data as well. The Expendable Bathythermograph (XBT) is a probe that is dropped from a ship and measures the temperature as it falls through the water column. The depth is calculated by a known fall rate. A very thin copper wire transmits the data to the ship where it is recorded in real-time for later analysis. You launch the probe from a hand-held plastic launcher tube; after pulling out the pin, the probe slides out the tube. We also use a Conductivity Temperature Depth (CTD) aboard the Oscar Dyson; a CTD is an electronic device used by oceanographers to measure salinity through conductivity, as well as temperature and pressure. The CTD’s sensors are mounted on a steel frame and can also include sensors for oxygen, fluorescence and collecting bottles for water samples. However, to deploy a CTD, the ship must be stopped and the heavy CTD carousel lowered on a hydrowire. The hand-held XBT does not require the ship to slow down or otherwise interfere with normal operations. We launch XBT’s twice a day on our survey to monitor water temperatures for use with the multi beam echosounder.

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Cristina launching the XBT probe Photo by Alyssa Pourmonir

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Survey Tech Alyssa servicing the CTD carousel

 

 

 

 

 

 

 

 

 

 

 

 

 

Shipmate Spotlight: An Interview with Ensign Benjamin Kaiser

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Ensign Benjamin Kaiser, NOAA Corps

Tell me a little more about the NOAA Corps?
We facilitate NOAA scientific operations aboard NOAA vessels like hydrographic work making charts, fisheries data collection, and oceanographic research.

What do you do up on the bridge?
I am a Junior Officer of the Deck (JOOD), so when I am on the bridge driving the ship, I am accompanied by an Officer of the Deck (OOD). I am on my way to becoming an OOD. For that you need 120 days at sea, a detailed workbook completed, and the Commanding Officer’s approval.

What education or training is required for your position?
I have an undergraduate degree in Marine Science from Boston University. My training for NOAA Corps was 19 weeks at the Coast Guard Academy in New London, Connecticut– essentially going through Coast Guard Officer Candidate School.

What motivated you to join the NOAA Corps?
A friend of mine was an observer on a fisheries boat, and she told me about the NOAA Corps. When I was in high school and college, I didn’t know it was an option. We’re a small service, so recruiting is limited; there’s approximately 320 officers in the NOAA Corps.

What do you enjoy the most about your work?
I love not being in an office all the time. In the NOAA Corps, the expectation is two years at sea and then a land assignment. The flexibility appeals to me because I don’t want to be pigeonholed into one thing. There are so many opportunities to learn new skills. Like, this year I got advanced dive training for Nitrox and dry suit. I don’t have any regrets about this career path.

What is the most challenging part of your work?
There’s a steep learning curve. At this stage, I have to be like a sponge and take everything in and there’s so much to learn. That, and just getting used to shipboard life. It is difficult to find time to work out and the days are long.

What are your duties aboard the Oscar Dyson?
I am on duty 12pm to midnight, rotating between working on the bridge and other duties. I am the ship’s Safety Officer, so I help make sure the vessel is safely operating and coordinate drills with the Commanding Officer. I am also the Training Officer, so I have to arrange the officers’ and crew members’ training schedules. I am also in charge of morale/wellness, ship’s store, keys, radios, and inspections, to name a few.

When did you know you wanted to pursue a marine career?
I grew up in Rhode Island and was an ocean kid. I loved sailing and swimming, and I always knew I would have an ocean-related career.

How would a student who wanted to join the NOAA Corps need to prepare?

Students would need an undergraduate degree from a college or university, preferably in a STEM field. Students could also graduate from a Maritime Academy. When they go to Officer Candidate School, they need to be prepared for a tough first week with people yelling at them. Then there’s long days of working out, nautical science class, drill work, homework, and lights out by 10pm!

What are your hobbies?
I enjoy rock climbing, competitive swimming, hiking, and sailing.

What do you miss most while working at sea?
There’s no rock climbing!

What is your favorite marine creature?
Sailfish because they are fast and cool.

Inside the Oscar Dyson: The Chem Lab

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This lab is called the Chem Lab (short for Chemical). For our survey, we don’t have that many chemicals, but it is a dry lab with counters for workspace when needed. This room is adjacent to the wet lab through a watertight door, so in between trawls, Emily and I spend a lot of time here.  In the Chem Lab, we charge batteries for the CamTrawl and the DropCam. There are also two computer stations for downloading data, AutoLength analysis, and any other work (like blogging!). There is a window port to the Hero Deck, where the CTD and DropCam are deployed from. In the fume hood, we store Methot net samples in bottles of formalin. There is a microscope for viewing samples. Note the rolling chairs have their wheels removed and there are tie-downs on cases so they are safer at sea. Major cribbage tournaments are also played in this room!

Personal Log

It has been so calm on this cruise, but I have to say that I was looking forward to some bigger waves! Well, Sunday night to yesterday afternoon we experienced some rain and rough seas due to a nearby storm. For a while the ship would do big rolling motions and then a quick lurchy crash. Sea waves were about 2 feet in height, but the swell waves were over 5 feet at times. When I was moving about the ship, I’d have to keep a hand on a rail or something else secured. In the wet lab while I was working, I would lean against the counter and keep my feet spread apart for better balance.

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Seas picked up and the ship was rocking and rolling!

Remember the Methot net? It is the smaller net used to catch macroplankton. We deployed one this week and once it came out of the water, it was rinsed and the codend was unscrewed. When we got the codend into the wet lab, we realized it was exclusively krill!

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The Methot net is deployed by the Survey Tech and deck crew members

Krill

#krillfordays

Krill are  small crustaceans that are found in all the world’s oceans. Krill eat plant plankton (phytoplankton), so they are near the bottom of many marine food chains and fed on by creatures varying from fish like pollock to baleen whales like humpbacks. They are not so small that you need a microscope to see them, but they are tiny. We took a subsample and preserved it and then another subsample to count individuals…there were over 800 krill in just that one scoop! Luckily, we had them spread out on a board and made piles of ten so we did not lose count. It was tedious work moving individual krill with the forceps! I much prefer counting big things.

I love it when there is diversity among the catch from the AWT trawls. And, we caught some very memorable and unique fish this week.  First was a beautiful Shortraker Rockfish (Sebastes borealis). Remember, like the Pacific Ocean Perch, its eyes bulge when its brought up from depth. The Shortraker Rockfish is an open-water, demersal species and can be one of the longest lived of all fish. There have  been huge individuals caught in Alaskan waters that are over 100 years old. This fish was not particularly big for a Shortraker, but I was impressed at its size. It was probably my age.

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Holding a Shortraker Rockfish. Photo by Emily Collins

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Smooth Lumpsucker fish: so ugly it’s cute?! Photo by Mackenzie Wilson

We also caught a Smooth Lumpsucker (Aptocyclus ventricosus). It was inflated because it was brought up from depth, a form of barotrauma. This scaleless fish got its name for being shaped like a “lump” and having an adhesive disc-shaped “sucker.” The “sucker,” modified pelvic fins, are located ventrally and used to adhere to substrate. These pelagic fish are exclusively found in cold waters of the Arctic, North Atlantic, and North Pacific. The lumpsucker fish, and its roe (eggs) are considered delicacies in Iceland and some other countries.

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You can see the “sucker” on the bottom of its body. Photo by Mackenzie Wilson

Pollock are pretty slimy and they have tiny scales, so when we process them, everything gets covered with a kind of speckled grey ooze. However, when we trawled the other day and got a haul that was almost entirely Pacific herring (Clupea pallasii), I was amazed at their scales. For small fish, the herring had scales that were quite large and glistened like silvery sequins. The herring’s backs are an iridescent greenish-blue, and they have silver sides and bellies. The silver color comes from embedded guanine crystals, leading to an effective camouflage phenomenon in open water.

As this last week comes to a close, I am not ready to say goodbye…

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Herring scales are nature’s sequins

Cristina Veresan, Sorting the Catch, August 5, 2015

NOAA Teacher at Sea
Cristina Veresan
Aboard NOAA Ship Oscar Dyson
July 28 – August 16, 2015 

Mission: Walleye Pollock Acoustic-Trawl Survey
Geographical area of cruise: Gulf of Alaska
Date: Wednesday, August 5, 2015

Data from the Bridge:
Latitude: 60° 46.4′ N
Longitude: 147° 41.0′ W
Sky: Clear
Visibility: 10 miles
Wind Direction: E
Wind speed: 5 knots
Sea Wave Height: 0-1 feet
Swell Wave: 0 feet
Sea Water Temperature: 16.8 °C
Dry Temperature: 16.0° C

Science and Technology Log

What about all those fish we bring onboard? Our Lab Lead Emily oversees the processing of the catch and determines which protocols or sampling strategies are most appropriate. She and I, along with the Survey Tech on duty, work together to identify, weigh, and measure the catch and collect any necessary biological samples such as otoliths or ovaries. The first job is to sort everything, and we continue sorting until the table is empty. We identify the creatures and organize them by species into different baskets. We end up with many baskets of pollock, usually hundreds of individuals. If distinct length groups of pollock are present we sort them by length (which is indicative of age class) and sample each group separately. All of the basket(s) are weighed to get a total weight per species (or length group) for the haul.

One of many baskets of pollock

One of many baskets of pollock

'Bloke' or 'Sheila' pollock? It's all sorted out here

‘Bloke’ or ‘Sheila’ pollock? It’s all sorted out here

For pollock estimated to be age two and older, we sex and length about 300 individuals per haul. When I say sex a pollock, I mean we must determine if the fish is male or female. Pollock do not have any external features to determine which sex they are so we must slice open the belly of the fish, pull back the liver and look for the gonads; females have a light pinkish to orange colored two-lobed ovary, while males have a whitish bubbled string of testes. The sex-sorting table has a large basin next to a partitioned bin cheekily labeled with a “blokes” section (for males) and a “sheila” section (for females). Once the sex of the fish is determined, we toss it in the proper bin. Each bin opens to a length board from which we measure all of the fish in the bin. For creatures other than our targeted pollock, we collect unsexed length and weight data from a smaller sample of individuals.

Pollock gonads: female ovaries

Pollock gonads: female ovaries

Pollock gonads: male testes

Pollock gonads: male testes

spawning

A spawning female! Note the ovaries, swollen with eggs.

Shipmate Spotlight: Interview with Darin Jones

Darin Jones, Scientist and Field Party Chief

Darin Jones, Research Fisheries Biologist, Field Party Chief (and my awesome blog editor)!

What is your position on the Oscar Dyson?
I am a Research Fisheries Biologist. I am also the field party chief in charge of the scientific team for leg 3 of our summer survey. I have been with the National Marine Fisheries Service for 8 years.

What training or education do you need for your position?
The ability to go to sea and not get seasick is key, and a solid marine biology education with plenty of math and statistics. I earned my undergraduate degree in marine biology from UNC at Wilmington, then a Masters in Fisheries Resources at the University of Idaho.

What do you enjoy the most about your work?
Being able to get out in the field and see the beautiful scenery of Alaska instead of being stuck behind a desk all the time. And, of course, meeting wonderful new people on each cruise.

Have you had much experience at sea?
After my undergraduate work, I was an observer for five years in Alaska on trawlers, longliners, and pot fishing boats and got lots of sea time. In New England I worked for about 4 years on a cod tagging program where we went out to Georges Bank and caught Atlantic Cod to tag and release.  I have also worked at fish hatcheries in California and South Carolina where we went to sea to collect brood stock. In my current position, I am at sea for about 3 months a year.

Where do you do most of your work aboard the ship? What do you do?
Most of my work is in “the Cave” (Acoustics Lab), where I monitor the acoustics equipment and analyze the data. When we are trawling, I go to the bridge to help guide the fishing operation. As field party chief, I direct all science operations, make daily decisions pertaining to the survey mission and its completion based on weather and time available, and I’m the liaison between the science party and the ship’s officers.

When did you know you wanted to pursue a marine career?
I have loved the ocean since I started surfing in high school. During college, I was looking for a career that would keep me near the ocean, and marine biology was a natural fit.

What are your hobbies?
I am a surfer and a woodworker, and I enjoy and playing the guitar.

What do you miss most while working at sea?
My family for sure. My own bed!

What is your favorite marine creature?
My porcupine pufferfish that I had during grad school; he had a personality and was always happy to see me.

Inside the Oscar Dyson: The Lounge

The lounge

The ship’s lounge

When you work hard at sea, you need a place to unwind and relax after a 12-hour shift. The lounge is right across the hall from my stateroom, and it is a great gathering place. It has comfy couches, a big bean bag chair, and a book library. The large television, like the televisions in the staterooms, has Direct TV with many channels. I have not watched television until this week when I began watching the last ever episodes of the Jon Stewart’s The Daily Show. The ship also has a large collection of DVDs.

 

 

Personal Log

We left Seward and headed up the coast to Prince William Sound. I can see why the region is known for its breathtaking wilderness scenery: mountains, islands, and fjords. The coast is lined with both dense spruce forest and tidewater glaciers. In fact, most of this area is part of the Chugach National Forest, the second largest National Forest in the United States. The sound’s largest port is Valdez, the terminus of the Trans-Alaska Oil Pipeline. In 1989, the oil tanker Exxon Valdez ran aground on Bligh Reef after it left Valdez, which resulted in a massive oil spill that caused environmental destruction and wildlife deaths.

Cruising through Prince William Sound

Cruising through Prince William Sound

My favorite part of working in the wet lab is when it’s time to sort the catch. We tilt the table, open the gate, and all the fish roll in on the conveyor belt. You never know what you will find among the pollock and rockfish. A lot of the time, there are krill and shrimp mixed in with the fish. Occasionally, there will be another big fish like a Pacific Cod (Gadus macrocephalus). A few times this week, there have been some very interesting baby creatures in our trawls. When sorting, you have to take care not to miss them!

My Alaskan fisheries adventure continues…

COD

Here’s a big Pacific Cod…Photo by Emily Collins

littlefish

And here’s some of the baby creatures found in our catches: (clockwise from top left) an Atka mackerel, an Alaska eelpout, Squid, and Snailfish.

Cristina Veresan, Gone Fishin’, August 1, 2015

NOAA Teacher at Sea
Cristina Veresan
Aboard NOAA Ship Oscar Dyson
July 28 – August 16, 2015

Mission: Walleye Pollock Acoustic-Trawl survey
Geographical area of cruise: Gulf of Alaska
Date: Saturday, August 1, 2015

Data from the Bridge:
Latitude: 58° 39.0′ N
Longitude: 148° 045.8′ W
Sky: Broken clouds
Visibility: 10 miles
Wind Direction: W
Wind speed: 15 knots
Sea Wave Height: 3 feet
Swell Wave: 0 feet
Sea Water Temperature: 15.4° C
Dry Temperature: 13.8° C

Science and Technology Log

So, you might be wondering how our scientists know when it’s time to “go fishin’”? That is, how do they determine if there might be a significant concentration of pollock to deploy a trawl? The answer is acoustics! The ship is equipped with a multitude of acoustic transducers on the bottom of the ship, five of which are primarily used in the pollock population assessment. These transducers both send and receive energy waves; they transmit sound waves down to the ocean floor, which reflect back to the ship. However, if there are obstacles of a different density in the water (like fish), the signal bounces back from that obstacle. The amount of energy that pollock individuals of different lengths return is known to our scientists.

Chief Scientist Darin Jones studies the echogram

Chief Scientist Darin Jones studies the echogram and talks to the bridge

The real-time data from transducers is automatically graphed in what is called an echogram. When we are on our predetermined transect line, the scientist on watch analyzes the echograms to make the determination of when to trawl. The transducers are different frequencies. In general, the higher the frequency, the smaller the object it can detect. To make a final decision on fishing, the scientist must also coordinate with the officers on the bridge who take into account wind speed, wind direction, water currents, and ship traffic. Once we collect the trawl data, scientists use the catch information to assign a species and length designation to the echogram data in order to produce a pollock biomass or abundance estimate. In addition to the pollock we are targeting, we have caught salmon, cod, jellyfish, and a few different types of rockfish.

echogram

Each echogram is from a different frequency transducer

We often catch one type of rockfish, the Pacific Ocean perch (Sebastes alutus), which has a similar acoustic signature as pollock. On the ship, we call this fish POP, and they are difficult to handle because of the sharp spines on their dorsal fin, anal fin, head, and gill covers (operculum). You have to watch out for spine pricks when handling them! Their eyes usually bulge when they come up from depth quickly and gases escape, which is a form of barotrauma. One interesting fact about Pacific Ocean perch is that they are viviparous (give birth to live young); the male fish inserts sperm into the female fish and her egg is fertilized inside her body. These fish can also be incredibly long-lived, with individuals in Alaska reaching almost 100 years old. The Pacific Ocean perch fishery declined in the 1960’s-1970’s due to overfishing, but has since recovered due to increased regulation.

POP

You down with POP?! Yeah, you know me!

 

Allen Smith, Senior Survey Technician

Allen Smith, Senior Survey Technician

Shipmate Spotlight: Interview with Allen Smith

What is your position on the Oscar Dyson?
I am the Senior Survey Technician. It’s my second season in this role.

Where did you go to school?
There is no formal training for this position, but you do need a scientific/technical background. I have a BS in geology, and right after college, I worked in technical support for Apple.

What do you enjoy the most about your work?
My favorite part is meeting people and re-connecting with ones I already know. Different scientists rotate in and out and they are my contact with the outside world.

Have you had much experience at sea?
I have worked on ships since 2011. I worked on cruise ship as a cook then I joined NOAA and sailed on the NOAA ship Oscar Elton Sette in Hawai’i as a cook and then later joined the NOAA ship Oscar Dyson as a survey tech. I really wanted to get back into science so I made the switch.

Where do you do most of your work aboard the ship? What do you do?
The domain of the survey technician is the laboratory. We have wet, dry, chemical, and computer/electronics labs aboard the Oscar Dyson. I am responsible for the meteorological, oceanographic, and navigation data that the ship collects full-time. We also help visiting scientists to accomplish their missions using the ship’s resources, like deploying fishing gear, CTD, cameras, or other equipment. Sometimes we do special missions like last year when we went to the Bering Sea for an ice-associated seal survey and our ship had to break through sea ice. During scientific operations, I work a 12-hour shift everyday.

When did you know you wanted to pursue a marine career?
I grew up in Dallas, Texas, which is totally land-locked, so you could say I wanted a change.

What are your hobbies?
No time for hobbies at sea! Just kidding, I like photography and playing guitar and ukulele. When I am not at sea, I enjoy hiking and biking.

What do you miss most while working at sea?
Probably what I miss the most is being able to cook vegetarian meals for myself. 

What is your favorite marine creature?
The red-footed booby because they have so much personality and are very entertaining.

Inside the Oscar Dyson: The Galley

galley

The ship’s galley is always open

The galley is ship-speak for the kitchen and dining area. Our ship stewards (chefs) work really hard to prepare buffet-style meals three times a day. Breakfast is served from 7-8am, lunch from 11am-noon, and dinner from 5-6pm. There is also a salad bar and a soup available for lunch and dinner. One night we even had food popular in Hawai’i: Kalua Pork, ramen stir fry, and chicken katsu! You can also come in the galley 24 hours a day to get coffee, espresso, tea, water, and various snacks. There is even an ice cream freezer! You might notice the chairs in the galley have tennis balls on the ends of the legs, as well as tie downs attached to them; this is to prevent sliding during rough seas.

 Personal Log

One of the challenges of working on a moving platform is seasickness. Nausea can be really debilitating, and it prevents many people from enjoying time on the water. I am not prone to it, but I am aware it could still afflict me at any time. Luckily, we have had very calm seas, and I have felt great, even when typing on the computer or slicing up fish! I brought some anti-seasickness medication with me but I have not needed it yet. I also have some candied ginger with me that I have been enjoying, though not for medicinal purposes.

Good morning from the Oscar Dyson!

Feeling happy, not seasick!

The scenery this week has been incredible as we weave our way through the bays and fjords of the Kenai Peninsula. McCarty fjord, carved 23 miles into the coast, was very impressive. The fjord is flanked by massive green mountains and towering cliffs. This majestic landscape was carved by ancient glaciers. I have spotted a few bald eagles, and, with binoculars, one of the deck crew members saw a brown bear mama and two cubs. As much as I love the open ocean, it’s exciting to be close to shore, so we can enjoy Alaska’s dramatic vistas and wildlife.

I am loving life at sea!

glacier

McCarty Glacier comes out from the clouds

Cristina Veresan, Welcome Aboard the Oscar Dyson, July 29, 2015

NOAA Teacher at Sea
Cristina Veresan
Aboard NOAA Ship Oscar Dyson
July 28 – August 16, 2015 

Mission: Walleye Pollock Acoustic-Trawl survey
Geographical area of cruise: Gulf of Alaska
Date: Wednesday, July 29, 2015

Data from the Bridge
Latitude: 58° 27.7′ N
Longitude: 149° 31.0′ W
Sky: Clear
Visibility: 10 miles
Wind Direction: S
Wind speed: 2 knots
Sea Wave Height: 1 ft.
Swell Wave: 0 ft.
Sea Water Temperature: 14.4° C
Dry Temperature: 14.8° C

Science and Technology Log

We steamed out of the port of Kodiak, sailing northeast into the Gulf of Alaska. From the bow, I looked back and saw the busy harbor, full of fishing boats of all sizes, slowly fade away. Scanning the water, I saw two sea otters floating on their backs with their arms in the air. I spotted a few puffins dotting the surface of the water, with their characteristic black and white plumage and orange beaks. In the distance, a spout rose from the ocean’s surface, evidence of a whale below. The sea was calm and the sun was shining. I breathed in the salty air. I was feeling grateful to be a NOAA Teacher at Sea and ready for this mission.

So what exactly is our mission here aboard the Oscar Dyson? We are conducting fisheries research, primarily a Walleye Pollock Acoustic-Trawl survey. A fish survey is like a scientific fishing trip! The surveys, when conducted consistently and repeatedly over time, allows scientists to monitor trends in fish abundance and changes in the marine ecosystem. The data from these surveys are used, along with data collected from fishermen and other sources, to set sustainable catch limits, ensuring a healthy supply of pollock in the future..

The science team is from the Midwater Assessment and Conservation Engineering (MACE) group of the Alaska Fisheries Science Center in Seattle, Washington. This is the third and final leg of their summer assessment of the walleye pollock population in the Gulf of Alaska. We will be traveling along predetermined, randomized transect lines, and scientists will use acoustic technology, along with catch data from nets towed behind the boat, to assess the pollock population. Walleye pollock is the targeted species, though everything we catch will be identified and measured.

The Oscar Dyson in the Port Of Kodiak, Alaska

The Oscar Dyson in the Port Of Kodiak, Alaska

A view of Kodiak Harbor

A view of Kodiak Harbor

Young Pollock caught in the pocket net of a trawl

Young walleye pollock

You might not have seen walleye pollock on a menu, but you probably have eaten it. Pollock is the “Fish” in McDonald’s “Filet-o-Fish” sandwiches. Pollock are also masters of disguise and can sometimes be found imitating crab meat. Yes, that imitation crab (surimi) in your California roll is usually ground up and re-formed pollock. In fact, the pollock fishery is one of the largest and most valuable in the world. Walleye pollock are a schooling, semi-demersal (bottom) fish that is found at depths up to 1000 feet and widely distributed throughout the North Pacific Ocean. They can grow up to 3.5 feet and live up to about 20 years old. Pollock feed mainly on krill when they are young; when they mature, they eat young pollock and other teleosts (bony fish). That’s right, they are cannibalistic! Recently, after extensive genetic studies, the scientific name of this fish changed from Theragra chalcogramma to Gadus chalcogrammus. This change placed the walleye pollock in an evolutionary lineage that includes the Pacific, Atlantic, and Greenland Cods. In Alaska, about 1.5 million tons of this fish are caught each year. With each fish weighing an average of 3 pounds, that’s about 1 billion fish annually!

 

 

Shipmate Spotlight: Emily Collins

Lab Lead Emily Collins

Lab Lead Emily Collins

What is your position on the Oscar Dyson? 

I am on the science team, and for all three legs of the survey this summer, I have been the Lab Lead.

Where did you go to school?
I earned a BS in Biology (marine science concentration) from Boston University. I am attending Southern Oregon University in the fall for graduate work in Environmental Education.

What do you enjoy most about your work?
I certainly like playing with fish, but I enjoy the people the most. This is an awesome group of scientists and I really like meeting new people each cruise, too. I enjoy learning new things from different scientists.

Have you had much experience at sea?
Yes, after college, I worked as a fisheries observer for 2 ½ years on various east coast boats from Maine to Virginia and 1 ½ years on boats in Alaska. As an observer, I boarded commercial fishing vessels and kept fishing data on the catch and discarded species and collected biological samples for the National Marine Fisheries Service. I have been on trawlers (pollock, ground fish), gillnet vessels (cod), scallop dredgers, pair trawls (herring), pot vessels (cod) and longliners (halibut, sablefish). Observer data is used to conduct stock assessments, which are used in managing the fisheries.

Where do you do most of your work aboard the ship?
You can usually find me in the wet lab. I am in charge of the wet lab and sampling all the fish that we catch: identifying, weighing, measuring fish and collecting otoliths and other biological samples. I also help with camera operations and data management, so I am often in the Chem Lab or Acoustics Lab on a computer.

When did you know you wanted to pursue a career in science?
I always liked biology and knew it was a career goal. I took a Lindblad Expeditions/National Geographic voyage in the Galapagos my senior year of high school and Sylvia Earle was onboard as an expert naturalist. The snorkeling was unbelievable. I saw so many fish, sea turtles, penguins, and sea lions. That was my inspiration for studying marine biology

What are your hobbies?
I love to travel, hike and snowboard. And I do arts and crafts, like paper arts and beadwork.

What do you miss most while working at sea?
I miss my friends and family the most (Hi Mom!). And being able to eat out at different restaurants.

What is your favorite marine creature?
Bluefin Tuna because they are huge, fast, and they live in the open ocean.

Inside the Oscar Dyson: Staterooms

stateroom

Our sleeping quarters

So once our work is finished, where do we finally get some rest? Staterooms are what you call the sleeping quarters aboard the ship. Emily Collins and I share a stateroom. There are bunk beds, and I am on the top and Emily is on the bottom. We each have a locker to store our clothes, and there is a desk and shelving to stow odds and ends. You have to latch the locker doors closed, or they will slam when the ship moves. There is a head (bathroom) with a toilet, sink and shower attached to our stateroom. It is important to keep voices down in your stateroom and moving through the corridors, as people are sleeping at different times of the day! We have a porthole in our room, but since it is summer in the high latitudes, it is dark for only about 4-5 hours a day. The quarters are cozy but comfortable. I enjoy getting lulled to sleep by the rolling motion of the ship.

 

 

Personal Log

As Teacher at Sea, I am an active member of the science team and I have been assigned the day shift, which means that I work from 4am-4pm. I think this shift will be great because it is a little more of a regular schedule, just getting up really early and going to bed really early. I come on shift when it is actually dark and then, after about an hour, I enjoy the sunrise over the water. During the shift, as our work allows, we can break for breakfast and lunch. And we can get coffee as needed…which is a lot!

sunrise

Sunrise over sea

Safety is the first priority of everyone aboard the Oscar Dyson. The ship’s officers have briefed us about safety procedures, and we have participated in drills for different scenarios, such as Man Overboard and Abandon Ship. For the Abandon Ship drill, we grabbed our PFD (personal floatation device) and survival suit from our staterooms and mustered on the deck to find our lifeboat group.

Here’s to a productive and safe voyage aboard the Oscar Dyson!

Survival suit

Trying on my survival suit during an Abandon Ship drill. Photo by Mackenzie Wilson

Nikki Durkan: Global Commons, June 13, 2015

NOAA Teacher at Sea
Nikki Durkan
Aboard NOAA Ship Oscar Dyson
June 11 – 30, 2015

Mission: Midwater Assessment Conservation Survey
Geographical area of cruise: Gulf of Alaska
Date: Saturday, June 13, 2015

Weather Data from the Bridge:
Wind speed (knots):  14.16
Sea Temp (deg C):  8.97
Air Temp (deg C):  8.06

Science and Technology Log

During my first several days in Kodiak, I spent as much time as possible exploring the island on foot.  I hiked up Pillar Mountain to the wind turbines which now help to make Kodiak virtually 100% renewably powered; 14% comes from these turbines while the bulk of the electricity is generated by Terror Lake hydro-power facility located within the interior of the island.  The hydro and wind generation replaced a diesel powered generator and resulted in many benefits to the town and our atmospheric global commons.

View from Pillar Mountain

View of turbines from Pillar Mountain

The idea of a global commons is one I spend a lot of time discussing in the first days of my environmental science course.  The Global Commons includes resources or regions outside the political reach of any one nation state:  the Atmosphere, Outer Space, Antarctica, and you guessed it…the High Seas!

June is National Ocean Month – and the theme for this week is marine debris.  I recently learned a new doctrine of mare liberum (free sea for everyone), but I’d like to add the latin word for responsibility, officium.  Dumping wastes is commonplace with the mantra of “dilution is the solution to pollution” and this practice continues to create challenges in our oceans.  Plastics pose a major threat to our marine life and NOAA is taking significant steps toward reducing plastic pollution through a variety of educational campaigns.  Plastic marine debris can come from a variety of industrial and domestic products, as well as lost or discarded fishing equipment.

While exploring the lovely little town of Kodiak, I came upon the rare plastic Iqaluk (Iñupiaq word meaning fish):

Sculpture constructed from collected marine debris

Sculpture constructed from collected marine debris

Another challenge facing our Global Commons includes over fishing in the High Seas.  Have you eaten Fish sticks, Filet-o-fish, Imitation-crab….otherwise known as Alaskan Pollock?  My mother often told me she craved McDonald’s fish sandwiches while pregnant with me; perhaps those sandwiches somehow led me to this spot 20 miles off the Aleutian Islands?  One of the main reasons we are on the Oscar Dyson for the next three weeks is to gather data on the Alaskan Pollock populations so that the fishery can be maintained at a sustainable level.  This Alaskan Pollock commercial fishery is one of the most economically valuable and well managed fisheries in the world.  Part of this success is due to the implementation of the MSA (Magnuson-Stevens Fishery Conservation and Management Act) that set up a system governing the EEZ (Exclusive Economic Zone – waters three to 200 miles offshore), and also established NMFS (National Marine Fisheries Service) under NOAA (you better know what this means).  The UNCLOS (UN Convention on the Law of the Sea) provides international guidelines and law for our oceans.  Acronyms…scientists and the military love them.  I will learn to love them.

 Personal Log

On the topic of marine debris, there are often jokes made on the bridge about the too-fat-to-fly puffins. They furiously flap their little wings in front of our ship.

Tufted Puffin

Tufted Puffin Photo credit: NOAA image gallery

Apparently cribbage is the game to play on the Oscar Dyson and thanks to Emily Collins (fisheries biologist), I now have another card game to add to my repertoire.  Ever tried to ride a stationary bike on a ship?  The feeling is hard to describe and I must have a sensitive stomach because occasionally I feel as if I am on a roller coaster! Currently I am sitting in my stateroom listening to the sloshing ocean that gurgles and surges with the swell against the wall; the sounds are 95% soothing and 5% terrifying.  I will not get sea sick and I will do my best not to become marine debris….
Did You Know?  In the event that I have to abandon ship, my “Gumby suit” will help me survive the frigid waters of the Gulf of Alaska.
Donning my Immersion Suit!

Donning my Immersion “Gumby” Suit!