Showing posts with label UVI. Show all posts
Showing posts with label UVI. Show all posts

Wednesday, May 3, 2017

Outreach & Education in St. Croix

Students from St. Croix 7th Day Adventist School pose in front of the Nancy Foster in Frederiksted, St. Croix

One of our favorite parts of our annual surveys is being able to pull into port and welcome local students on board for a small glimpse into what we do at sea. We know this can be inspirational for many young people who may be interested in pursuing a marine science career, and we greatly value these events during our port visits. It isn't often your school field trip takes you on board a NOAA research vessel!

This year, we pulled into St. Croix, the southernmost of the U.S. Virgin Islands. We welcomed two groups on board, and, with the help of the Nancy Foster's NOAA Corps officers, shared what life and research is like at sea.

Students from the AZ Academy try their hand at sorting plankton under the microscope in the ship's wet lab
We were first visited by an all-female group of students from the AZ Academy, who are part of a community transfer project entitled "Diving for Debris," part of the "Pride in Our Seas, Pride in Ourselves" project at the University of the Virgin Islands, and funded by the NOAA Marine Debris Program. Two-thirds of our own science team was comprised of women - we truly value supporting young women who have an interest in science. These ladies have bright futures ahead of them! 

Students from the AZ Academy work together to match larval fish photos with their adult counterparts




Students from St. Croix 7th Day Adventist School check out plankton under the microscope
Our second group of students joined us from the St. Croix 7th Day Adventist School in Christiansted, who work with the outreach and education specialists at the VI-EPSCoR program. 22 students and 3 teachers toured the ship, visited the wet lab, and examined larval fish and plankton samples under the microscope. These middle and high school students were high-energy, and some wanted to stay on the ship and sail with us!

ENS Keith Hanson shows students from St. Croix 7th Day Adventist School the steering controls on the bridge

Wednesday, April 26, 2017

Featured Scientist: Meet Kristen!

Our annual surveys would not be possible without our wonderful collaborators from around the world. We'll dedicate several future blog posts to highlight these individuals, so that you can learn more about them, their research, and the valuable contributions they make to the survey. You can find previous posts here. Today we feature Kristen Ewen from the University of the Virgin Islands!

My name is Kristen Ewen, and I'm a first year Masters Student at the University of the Virgin Islands!
Kristen deploys a biodegradable drifter

My thesis project looks to model population connectivity of large bodied parrotfish of the genus Scarus within the USVI. The reason why we are focused on parrotfish is because they are one of the largest herbivores on Caribbean reefs. They remove excess algae which allows for coral dominated reefs. These fish are also delicious! Which makes them a huge staple in the artisanal fisheries of the territory. However, their populations have declined recently, primarily due to overfishing, reducing their contribution to these ecosystem services.  To better manage this genus, computer models can be developed to take larval fish found in the water column and trace them back to where they were born.  These sites where these fish are reproducing can then be protected to increase the chance of repopulating the surrounding reefs.



Kristen communicates from inside the wet lab with the winch operator, the back deck, and the bridge during a net tow

Since I am using the larval fish data collected on this cruise, I wanted to come aboard to really understand the collection process rather then just reading about it.  From this experience aboard the Nancy Foster I now have the complete story. I may have come for the sampling methods, but stayed for the cute baby parrotfish!

Beast mode! Kristen flexes her muscles on the back deck

Tuesday, April 25, 2017

Featured Scientist: Meet Sennai!

Our annual surveys would not be possible without our wonderful collaborators from around the world. We'll dedicate several future blog posts to highlight these individuals, so that you can learn more about them, their research, and the valuable contributions they make to the survey. You can find previous posts here. Today we feature Sennai Habtes from the University of the Virgin Islands!

Sennai Habtes has been a longtime collaborator with the FORCES lab, since his days as a PhD student. We are always excited to get to sail with him each year! Sennai is a Research Assistant Professor of Biological Oceanography at the Center for Marine and Environmental Studies, University of the Virgin Islands.

"This year I am working with the scientists of the NOAA SEFSC, Dr. Dan Otis from the University of South Florida, and Dr. David Lindo from the City University of New York, to understand how physical oceanographic processes affect larval dispersal around spawning periods. We are particularly interested in two phenomena: where do grouper larvae go after they are spawned, and how the oceanographic conditions surrounding high biological productivity areas in the USVI and Puerto Rico have an impact. Myctoperca venenosa, or the Yellowfin Grouper, spawn approximately 8-10 days after the full moon from January until April, at spawning aggregations sites along the shelf surrounding the USVI (primarily along the Gramanik Bank, on the South Drop). Although we routinely sample for larval fish during the times of year when grouper are actively spawning around the USVI, we have very little luck catching these larvae. We believe this may because they target zones with particular currents that transport the larvae below the surface. During this cruise we are using specialized nets called a MOCNESS (Multiple Openning and Closing Net Environmental Sampling System) to sample the area surrounding the spawning aggregations. This will allow us to determine where in the water column these larvae are transported.

Grouper larva, ~5mm length
Photo credit: FORCES Lab
"Additionally, we are targeting Lang Bank on St. Croix, to determine how oceanographic conditions, which support a high biological region there, influence the transport of larval fish. Along with our traditional measurements of oceanographic conditions, and net sampling of zooplankton and ichthyoplankton (larval fish) we are also using satellite imagery to identify interesting features that may help in either transporting the larvae faster or retaining them in coastal areas surrounding the USVI. These are two smaller studies that we have implemented in this years cruise to help understand how the coastal oceanography around the USVI and PR affect larval recruitment (addition of new fish into adult populations) and connectivity (transport, ultimately allowing for better management of marine fish populations in the Eastern Caribbean."

Satellite image shows the oceanography of the US Virgin Islands, with tracks of the drifters deployed on NF-17-03.
Image courtesy of Dr. Dan Otis - Institute for Marine Remote Sensing USF-CMS

For more on Sennai’s research see his faculty webpage at UVI: http://www.uvi.edu/directory/profiles/staff/habtes-sennai-y.aspx
or this recent news post from the team at the VI-EPSCoR program about Sennai’s background and his research: https://www.viepscor.org/news/2017/4/12/drhabtes

Monday, April 24, 2017

Featured Scientist: Meet Sarah!

Our annual surveys would not be possible without our wonderful collaborators from around the world. We'll dedicate several future blog posts to highlight these individuals, so that you can learn more about them, their research, and the valuable contributions they make to the survey. You can find previous posts here. Today we feature Sarah Heidmann from the University of the Virgin Islands!

Sarah (L) and Jess sort some live plankton samples on board!
My name is Sarah Heidmann, and I'm a second-year Masters student in Marine and Environmental Sciences at the University of the Virgin Islands. I'm originally from California and completed my undergraduate degree at Oregon State, both of which shaped my interest in the ocean, marine science, and SCUBA diving. 


Giovanni (L) and Sarah deploy cod ends for the MOCNESS tow. Photo credit: LTJG Niki Norton
My time on this cruise is thanks to my committee member and mentor, Sennai Habtes. I'm excited to be immersed in living and working on the ocean, experiencing life on a ship and participating in oceanographic research. It's a nice change from my own work, which involves nearshore fishing and diving. I am using acoustic tracking technology to study the movements of mutton snapper in a bay on St. Thomas, as well as at a spawning aggregation on St. Croix. 

You can follow me on Twitter (@SarahLHeidmann) to get updates on my research!

The St. Thomas crew! L-R: Kristen, Sarah, Sennai, Vanessa, and Alexis! T-shirt design by Kat Dale

Friday, April 21, 2017

Featured Scientist: Meet Vanessa!

Our annual surveys would not be possible without our wonderful collaborators from around the world. We'll dedicate several future blog posts to highlight these individuals, so that you can learn more about them, their research, and the valuable contributions they make to the survey. You can find previous posts here. Today we feature Vanessa McKague from the University of the Virgin Islands!

Vanessa runs the CTD in the dry lab on Easter Sunday
Hi everyone! I'm Vanessa McKague, Oceanographic Technician from the University of the Virgin Islands! I am also a new mother of an 8 month old boy.  Having a child really changes so much in your life and most of all your priorities change dramatically.  But because I love my job and what I do, I wouldn't want to have to choose between them. I am learning as I go along but I am trying my best to be both a great mother and a productive scientist. I love being an Oceanographic Technician because I get to do all of the hands on science that I love. I work with many oceanographic instruments (i.e., CTDs, ADCPs) and perform calibrations and maintenance as well as program them for deployments and process the data. On this cruise I have been running the CTD rosette.  I work in the dry lab on the computer using Seasave software to view the ocean profile data in real time and to collect water samples in the niskin bottles at the surface and at the deep chlorophyll maximum.

Vanessa decked out in safety gear on the back deck.
At UVI, I work with Dr. Sennai Habtes (who is also on this cruise) in the Oceanography Laboratory.  One great opportunity that I recently had was to take a Larval Fish Identification Course.  I have not had previous experience doing this so it was such a great learning experience for me.  It was very hands on and we all had microscopes to look at all of the samples.  My favorite part of the course was taking an unknown sample and using the skills that we had gained to identify the larval fish species.

Colton helps Mom learn how to identify larval fish! 
What I want to get out of the cruise: Deploying the mooring for the relocation of the St. Thomas CariCOOS/VI-EPSCoR oceanographic buoy. The original location was south of St. Thomas, but now we will have real time oceanographic data northwest of St. Thomas.  It will be the first oceanographic buoy located north of the Virgin Islands in the Atlantic Ocean!  We successfully deployed the anchor and chain with surface buoy markers on the first day of the cruise.  We will then go back out on a calm day in a smaller vessel and use commercial divers to attach the buoy and inspect the site.

Secondly, I just want to be out to sea doing science!  This is one of the best parts of my job and I look forward to this opportunity.  It is a time to focus on collecting data and to talk to other scientists without interruptions of everyday life.  We are all living out here together so there are plenty opportunities to learn from each other and to come up with new ideas and projects for future work.

Tuesday, April 18, 2017

Leading Off

This type of buoy will be attached to the mooring
The first event or "op" of the survey was deploying a mooring! Moorings are devices that are usually hooked up to stationary wire that is secured to the sea floor. This mooring will serve as an anchor for the University of the Virgin Island’s real-time oceanographic data buoy. This buoy is part of the larger CariCOOS System (Caribbean Coastal Ocean Observing System), which conducts operational oceanography and ocean observing.

This buoy will be positioned on the northwest shelf of St. Thomas, and will collect real time measurements of:
  • air temperature
  • wind speed & direction
  • wave height & direction
  • sea temperature 
  • salinity
  • density
  • velocity of ocean currents
  • turbidity
  • chlorophyll
  • dissolved oxygen 

Officers, crew, and scientists work together to deploy the mooring, chain, and floats.
The chain was snaked back and forth on deck to allow safe deployment. 

The floats will help divers attach the buoy to the chains.
With the crew of the Nancy Foster, we were able to deploy the 2,500-pound (1,134 kg) concrete anchor and 300-foot chain, which will be paired with the oceanographic buoy by local divers later this month. Deployments like these can be very dangerous, so the scientists, crew, and officers had several safety meetings to devise the safest technique for deployment. The anchor was deployed by one of the ship's cranes, and the chain was carefully arranged on deck so that it smoothly and safely fed into the water once the anchor was dropped. Each person involved had a specific role and position on deck. Check out a video of the deployment below!


You can find historic data collected by the buoy available at CariCOOS.org.


Monday, April 17, 2017

Welcome Aboard NF-17-03!

Welcome back to another exciting year at sea!

NOAA Ship Nancy Foster in Brewers Bay, St. Thomas, USVI
The FORCES Lab at the NOAA Southeast Fisheries Science Center (SEFSC) invites you to join us again as we board the Nancy Foster and experience the wonder of the marine world! The 2017 survey begins in the Caribbean Sea around the stunning islands of the US and British Virgin Islands. We will continue our historical sampling grid from previous years, collecting water and plankton samples.We will also seek out information about the cross-shelf transport of water and planktonic organisms around these islands, and hopefully capture spawning events of commercially valuable reef fish. We are pleased to be sailing with collaborators from NOAA Atlantic Oceanographic and Meteorological Laboratory (AOML), University of Miami (RSMAS), University of the Virgin Islands (UVI), City University of New York (CUNY), University of Puerto Rico-Mayaguez (UPRM), University of South Florida (USF), and USVI Department of Planning and Natural Resources (DPNR). 

Later, the Foster will make her triumphant return to the Gulf of Mexico, going on the hunt for recently spawned patches of larval bluefin tuna! We have many new and exciting sampling schemes planned for this portion of our survey that we look forward to sharing. 

From L-R: Scientists Sarah (UVI), Giovanni (UPRM), Jason (RSMAS), Kristen (UVI),
Jess (CUNY), & Tanya (CUNY) enjoy the view as we set sail from Old San Juan, Puerto Rico

Once again, we'd like to offer a glimpse into what life on a research vessel is like, as well as introduce our incredible collaborators, veteran researchers, and up-and-coming young scientists. We hope you'll join us!

Check out posts from last year's cruise blog!

Friday, June 17, 2016

Featured Scientists: LaTreese Denson and Sennai Habtes!

Today we'd like to introduce you to two collaborators that we've had the pleasure of working with for many years, LaTreese Denson and Sennai Habtes! 

LaTreese first teamed up with the FORCES lab in the summer of 2009 when she completed her Hollings Scholar internship in Miami. We were thrilled when she returned to Miami last year to start her PhD at the UM Rosenstiel School for Marine and Atmospheric Science (RSMAS), funded by the NOAA LMRCSC Fellowship! 
LaTreese shared with us about herself: "Since this is my first year, I currently take classes and experiment with data (e.g., fish abundance, environmental indices, etc ) and different population estimation models to help figure out what I will be using for my dissertation. At this point I basically sit inside all day and read. On the cruise, I am hoping to get more experience with data collection methods for the ecology of larval fish so that I have a better understanding of the quality of the data that is available for my population models. I also just want to be outside/at-sea.

Her research: "I am interested in modeling fish populations and the effect oceanography may have on their dynamics. Modeling fish populations and estimating their abundance is like putting together one of those insane 1000 piece puzzles with a three year old. The pieces might be everywhere or even missing, there is probably a lot of jamming of miss match pieces together and you won't finish it as soon as you thought but eventually you get close to putting the edges of the puzzle together. In the end its great because even those small steps are huge when you consider the magnitude of the problem."

We love LaTreese's passion and curiosity for marine science! Be sure to check out her personal blog as well, where she's currently sharing her own experiences on the Nancy Foster!

Dr. Sennai Habtes has been an honorary member of the FORCES lab since 2009 when he participated in the Spring SEAMAP plankton survey, and then throughout his PhD studies on larval bluefin tuna. He is now an Assistant Research Professor of Biological Oceanography at the Center for Marine and Environmental Studies (CMES) at the University of the Virgin Islands (UVI).

Read more about Sennai's research! "As a professor at UVI, my time is split evenly between research, teaching, and running the Coastal Oceanography lab for UVI-CMES. My research falls primarily within the fields of fisheries oceanography and zooplankton ecology and is focused on using time series data to study patterns in, and impacts to marine organisms in tropical and subtropical regions. This often requires the development and analysis of data products from satellite, airborne and in-situ oceanographic sensors to understand large marine ecosystems at synoptic spatial and longer temporal scales. Here at UVI I am interested in studying the physical processes and environmental variability in coastal and pelagic ecosystems surrounding the Virgin Islands and Puerto Rico, and to determine how these factors affect the abundance and distribution of marine organisms. In particular I am interested in larval fish and zooplankton, which are important life stages for most commercial and recreational fisheries. This information can be used to develop better tools for ecosystem based management and fisheries decision support systems. The Coastal Oceanography Lab or “Ocean Lab,”  is involved in a range of oceanographic research activities surrounding the USVI, including management of two coastal ocean buoy systems which are part of the CARICOOS buoy network, deployment and recovery for a host of oceanographic sensors used in conjunction with marine research for the Virgin Islands Experimental Program to Stimulate Competitive Research (VI-EPSCoR), and a time-series of zooplankton and oceanographic data used as part of an ecosystem analysis project within Brewers Bay, on St. Thomas. In addition I teach courses on Ecological Research Methods for the Masters for Marine and Environmental Studies program at UVI and a course in oceanography for the undergraduate BS/BA programs in Marine Biology and Environmental Sciences for UVI."

Goals for this cruise: "Beyond simply getting to interact with the cool and amazing scientists in the FORCES lab at NOAA SEFSC and Physical Oceanography Division at NOAA AOML, I am collecting zooplankton in conjunction with the surveys on larval reef fish to understand how oceanographic conditions affect patterns in zooplankton abundance, distribution, and community composition. In addition this data can be used to understand over time if there are changes in Caribbean zooplankton communities and to asses how this may impact larval fish habitat suitability and survival."
Sennai is excited for the waterspout that came near the ship!

We are grateful for the time we've had with LaTreese and Sennai, and look forward to collaborating with them for many years to come!

Thursday, June 16, 2016

Featured Scientists: Adrianne Wilson and Mara Duke!

We are extremely lucky to have so many partners and collaborators from around the country and globe - over the next few posts we'd like to introduce you to some of them that have joined us for Leg 3! First up, we have two graduate students who are spending some of their summers with us, Adrianne Wilson and Mara Duke! 



Adrianne Wilson is a Master's student at Florida A&M University. She is currently working on her M.S. in Environmental Science with a concentration in marine and estuarine studies. Her Master's thesis focuses on larval fish assemblages in the Gulf of Mexico. Adrianne is doing a summer internship in the FORCES lab in Miami, and we are thrilled she was able to join us for a leg of the cruise! During these two weeks at sea Adrianne hopes to learn more about the methods behind larval fish sampling, gain research cruise experience, meet cool scientists and study fish all day!



Mara Duke is a graduate student in the Masters of Marine and Environmental Science Program at University of the Virgin Islands. Her thesis research is on the connection between water quality and abundance and distribution of zooplankton in Brewers Bay in St Thomas, USVI. This is Mara's first cruise, and she hopes to gain her "sea legs" and experience on an oceanographic vessel!

Both Adrianne and Mara have already showed how valuable they are as scientists on board, and we can't wait to see what is in store for these awesome young researchers! 





via GIPHY
(Mara is preparing the plankton collected in the MOCNESS for preservation in ethanol)