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CHESAPEAKE BIOLOGICAL LABORATORY | SOLOMONS, MDJULY 2024Lab LinesIN THIS ISSUE:DIRECTOR’S VIEW 1IN CASE YOU MISSED IT 25IN THE NEWS 5NEW FACES 6RECENT PUBLICATIONS & AWARDS7DEIC 7SAFETY CORNER 8It’s my favorite time of the year as we see the next generation of an iconic Chesapeake Bay species in our waters – no not the jellysh (although they have been much reduced this summer) – but our diamondback terrapins. Chris Rowe and PhD student Jessica McGlinsey have seen the sunrise every morning for weeks at the PAX River Naval Air Station and also at Asbury as they work to protect this important species. There has been lots to celebrate around campus this month. Mike Peters completed the LEAP emerging leaders program and Brian Duke has been selected to join the Leadership Southern Maryland Class of 2025.We have welcomed many new faces this month, please join me in welcoming everyone to the community! In other changes we have new membership of the Graduate Student Council,Syeda Ali and Kylie Cherneskie who have taken over from Anna Hilderbrand and Isabel Sanchez. Thank you to all for your eorts and dedication in these important positions. Talking of new faces, we were the rst stop in our new President Fernando Miralles-Wilhem’s tour around the UMCES units. Thank you all for engaging with him at the Town Hall and in the separate group meetings, you all certainly met his goals for the day to learn about the entire UMCES community as he works towards his plan and vision for the future of UMCES. He welcomes continued discussions and feedback from all.1ISSUE 95

In Case You Missed It On July 29th we welcomed our new UMCES President Fernando Miralles-Wilhem to campus.This was his rst stop in his visits around the UMCES’ units to learn about who we are and what we do. In the Town Hall meeting he gave an overview of UMCES’ and his vision and goals for the future. As he stressed in his talk, please reach out to him with any questions or concerns! Visit from UMCES President Fernando Miralles-Wilhem Congratulations to Brian Duke for being selected for the Lead-ership Southern Maryland (LSM) Class of 2025. We all benet everyday from the knowledge and expertise of Brian and the outstanding job he does at Facilities Management. Becoming a student of LSM will allow Brian to learn from other profes-sionals throughout Southern Maryland and join a network of hundreds of outstanding leaders in our community. Way to Go Brian! Congratulations to Mike Peters, one of CBL'stalented Grant Coordinators, for his com-pletion of the Leadership Southern Mary-land Emerging Leaders Program (LEAP). Mike spent a year with 30 other outstand-ing up and coming leaders of our tri-county community and got an inside view of what leadership in Southern Maryland looks like a n d h a s t o o  e r a s h e g r o w s i n h i s c a r e e r . LEAP is a rigorous program and Mike nailed it! Congratulations Mike! 2

Sadia Ali presented ndings from her M.S. thesis research at the American Geophysical Union Water Science Meeting in St. Paul, Minnesota. The title of her presentation is "Assessing an understanding patiotemporal variation in stable hydrogen and oxygen isotope values of Maryland’s streams and rivers" and co-authors were Lee Cooper, Dave Nelson and Keith Eshleman.In Case You Missed It R/V Sikuliaq College of Fisheries and Ocean Sciences. Photo by Mark Teckenbrock.Carys Mitchelmore gave a talk at the recent Euro-pean Coral Reef Symposium in Naples, Italy July 2-6th entitled "Developing reliable, defensible, and relevant toxicity assays in the scleractinian coral Acropora cervicornis". This work is in collaboration with Drs. Gonsior and Heyes, Dr. Renegar at Nova Southeastern University, Florida and Dr. Davis from the Personal Care Products council in DC. She was also a co-author on a presentation on “"Coral Reef Anthropic Pressures, Conservation and Resto-ration" given by Ellen Skelton, a graduate student at NSU that Carys is on her advisory committee.Check out Joy Amadi’s blog! Addressing the Socio-Environmental Problems of Today to Attain a Sustainable Tomorrow Joy is a current Ph.D. student here at CBL. She has a research interest centered on understanding environmental pollutants, their effects on human health, aquatic life, the earth's atmosphere, and also developing novel methods. Jackie Grebmeier, Lee Cooper, Christina Goethel and Brian Marx will travel in August to board the RV Sikuliaq in Nome, Alaska for a research cruise in the Bering and Chukchi seas supported by NOAA, NSF, and the National Oceanographic Partnership Program.3

In Case You Missed It UMCES and CBL welcomed the SEAS Islands Alliance 'Bridge to the Ph.D." program the week of July 22nd. Ten participants from Guam, Puerto Rico, and the U.S. Virgin Islands spent the week working at CBL and interacting with many faculty members, FRAs, and students. They also visited IMET in Baltimore, participated in a research cruise supported by the NOAA Chesapeake Bay Oce, and spent time at the Jug Bay Wetland Sanctuary and National Estuarine Research Reserve site. Thanks to all from CBL who hosted Bridge participants in their labs, included them in research activities, and attended meals to network and share career stories. Drs. Lora Harris, Mike Allen, Jamie Pierson,and Fredrika Moser are leaders in the NSF INCLUDES supported SEAS Islands Alliance and are associated with the Puerto Rico Hub. New FRA Will Dorsey was the lead mentor for participants in July. A special thank you to Matt Stefanak, Nina Santos, Evan Kostelecky, Janet Barnes, and Cindy Ross for their generous work with students. Drs. Gonsior, Lapham, Schijf, Kilbourne and NASL also oered tours of their laboratories. Such an enriching experience would not be possible without all that our community oered to support these early career scientists as they make critical decisions about their next steps.Summer marks the peak research season for Chris Rowe and PhD student Jessica McGlinsey as they embark on another year of studying the Northern Diamondback Terrapin (Malaclemys terrapin) in the Chesapeake Bay. July is a critical month for terrapin nesting, resulting in a urry of eldwork along the shores of the Patuxent River Naval Air Station. Their research focuses on the threats facing terrapins in a changing climate. This year, they've observed an increase in human and predator interactions, adding to the challenges terrapins face.Sea level rise is encroaching on the terrapins' long-established habitats, with rising waters and erosion gradually diminishing their nesting grounds. Fortunately, a $6 million shoreline restoration project is set to begin at the site, potentially as soon as this winter. One goal of their research is to demonstrate that climate resiliency projects can safeguard both shorelines and the species that depend on them.Additionally, the rising global temperatures could signicantly aect the terrapins. Did you know that the nest's temperature during incubation determines the sex of the hatchlings? With increasing temperatures, more female hatchlings are being born, which could severely impact the species' reproductive success. Over the next two years, Chris and Jessica will raise dozens of terrapin hatchlings to identify their sex and correlate it with their incubation temperature. Their pioneering research aims to enhance conservation eorts, ensuring the survival of Maryland's state reptile and the University of Maryland's mascot. 4

In Case You Missed It Update from CBL’s Graduate Student Council There has been a change in members of the CBL GSC. Syeda Ali and Kylie Cherneskie are our new representatives. Thank you Anna Hildbrand and Isabel Sanchez for your dedication and efforts in prior years. In the NewsScientists Listen In On Dolphins That Travel In And Out Of The Chesapeake Bay (Bay Journal - Whitney Pipkin) July 4, 2024 ANNAPOLIS, Md. – You can learn a lot about dolphins by listening.That’s what researchers from the University of Maryland have gathered over the past several years as studies originally spawned by proposed wind energy projects have led to a much broader understanding of Atlantic bottlenose dolphins that frequent the Chesapeake Bay. “We were surprised by how many we detected o Ocean City that are also in the Chesapeake Bay,” said Helen Bailey, an adjunct professor at the University of Maryland Center for Environmental Science.Everybody’s Fish: Striped Bass on the Move (Chesapeake Bay Foundation)July 5, 2024 Their impressive annual migrations from estuarine nurseries to summer ocean feeding grounds make striped bass a cultural icon along the Atlantic Coast. But with populations struggling, the sh need many helping hands along the way. Researchers Caroline Tribble and Amber Fandel of the TailWinds project set up underwater listening equipment that will allow them to detect dolphins and even identify certain individuals by their “signature whistles.” (University of Maryland Center for Environmental Science)Have any noteworthy news to share with the public? Don’t forget to share it with the UMCES communication team! Click HereSchooling striped bass, also known as rocksh.iStock/stammphoto 5

Eva Bailey New FRA in Lisa Wainger's group (Although a returning CBL alumni!) New FacesJulia SmeltzerNew GRA in Lora Harris's groupWilliam Dorsey New FRA joining Lora Harris's groupPauline Lawrence Volunteer in Ryan Woodland's groupWelcome all to CBL!Sophie MontagueVolunteer in Thomas Miller's groupMin OoNew employee with Jacqueline Grebmeier and Lee Cooper6

Hatje, V., Schijf, J., Johannesson, K.H., Andrade, R., Caetano, M., Brito, P., Haley, B.A., Lagarde, M. and Jeandel, C. (2024) The global biogeochemical cycle of the rare earth elements. Global Biogeochemical Cycles 38, e2024GB008125. This is UMCES archive number 6374 and the paper is open access.N.S. Pereira, C.M. Chiessi, S. Crivellari, K.H. Kilbourne, R.K.P. Kikuchi, B.P.Ferreira, R.J.A. Macêdo, M.C.M. dos Santos, M.de G. Pereira, L.S. Neves da Rocha, A.N. Sial, South Atlantic Multi-Site Calibration of Coral Oxygen Isotope Paleothermometer, Geochemistry, Geophysics, Geosystems. This is UMCES archive 6391 and the paper is open access.Arai, K. J.E. Best, C.A. Craig, V. Lyubchich, N.R. Miller, and D.H. Secor. 2024. Early growth and environmental conditions control partial migration of an estuarine-dependent sh. Marine Ecology Progress Series 732:149-166.Coleman, N., D. Fox, A. Horne, N.J. Hostetter, J. Madsen, M. O Brien, I. Park, C. Stence, D. Secor. 2024. Spawning run estimates for an extremely small population of Atlantic sturgeon in the Marshyhope Creek-Nanticoke River system, Chesapeake Bay. Marine and Coastal Fisheries 2024;16:e10292. Recent Publications & Awards 7DEIC CBL Community,July 18th marks the beginning of South Asian Heritage Month (SAHM), which commemorates and celebrates South Asian cultures, histories, and communities. South Asia includes Afghanistan, Bangladesh, Bhutan, India, The Maldives, Nepal, Pakistan, and Sri Lanka. The holiday takes place across two western calendar months (July 18-August 17) to respect the traditions of South Asian solar calendars. This time also coincides with independence celebrations for several South Asian countries as well as the monsoon season. The theme for this year’s celebration is “free to be me.” In recognition of South Asian Heritage month, consider reading a new book, watching an informational video, or trying a new recipe to learn more about the diverse experiences of individuals with South Asian heritage. Additionally, this article explores 10 ways to honor SAHM.Sincerely,The CBL Diversity Equity and Inclusion Committee (DEIC)4

www.umces.edu/cbl | 410-326-4281P.O. Box 38 | 146 Williams Street | Solomons, MD 20688-0038Safety Corner: Cheryl ClarkSAFETY CHECKLIST FOR LABORATORY USERS Please read the following questions and think carefully about your answers. 1. Do you wash your hands before leaving the laboratory? 2. Do you wear appropriate attire in the laboratory (lab coat, safety goggles, gloves, shoes)? 3. Are the appropriate hazard signs and emergency numbers posted on the outside of the laboratory door? 4. Are all containers in your lab properly labeled? Do you know how to interpret these labels? 5. Do you know where to nd Safety Data Sheets (SDSs) for all chemicals used in your laboratory? 6. Are the chemicals in your lab properly stored? 7. Have you been instructed in the proper use and handling of the chemicals in your laboratory? 8. Have you been instructed in the location and use of safety devices (safety showers, eye washes, laboratory hoods, etc.) in your laboratory? 9. Are you aware of emergency procedures in the event of a chemical exposure, spill, re or explosion? 10. Do you know how to properly segregate and dispose of chemicals you will use? 11. Are all mechanical engineering controls (e.g., fume hoods) operating properly? 12. Do you know who to notify if working in a laboratory alone after normal hours? 13. Have you attended laboratory specic training provided by your Laboratory Supervisor? 14. Do you know where your laboratory Standard Operating Procedures (SOP) are stored and how to use them? 16. Are you familiar with the protocol you are following? Do you feel comfortable performing the procedure without additional information or demonstration? If you answered NO to any of these questions, read this laboratory safety guide and if you still have questions, see your laboratory supervisor.This checklist is excerpted from the General Laboratory Standard Operating Guidelines and Pro-cedures which is available on the p drive. P:\safety\plans & policies\laboratory policies8