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CHESAPEAKE BIOLOGICAL LABORATORY | SOLOMONS, MDDECEMBER 2023ISSUE 88Lab LinesIN THIS ISSUE:DIRECTOR’S VIEWSAFETY CORNER1IN CASE YOU MISSED IT Thank you 2023It was great to see so many of you at our holiday celebraon! Jeannee Duran was the winner for the highest number of Yankee swaps and I can’t believe they make a ramen noodle cup holder for vehicles! Thank you to Genny Nesslage for a fantasc trivia game, with great quesons, and even exercise, which was needed aer the lunch feast! A number of sciensts were missing from the fesvies as they were presenng over on the West coast at the annual American Geophysical Union conference. Both Hali Kilbourne and Johan Schijf gave talks and Jackie Grebmeier and Lee Cooper were co-authors on the NOAA Arcc Report card that was released at the same conference.I would like to express my sincerest gratude to each and every one of you for all of your hard work this past year. Our CBL community remains strong as we work together as a team to overcome obstacles, transions, and embrace opportunies. As this year draws to an end, I wish you all a wonderful me unplugging from work and enjoying me with family and friends. As announced by UMCES President Bill Dennison, please enjoy the extra day of holiday this year year on Friday 22nd December. For some of our community members 2023 was a dicult year, with the loss of loved ones. There are also others who will not be able to spend me with their families at this me. My thoughts are with all of you. Thank you to our facilies sta and others who connue to watch over the campus during this holiday period. 2024 will bring many changes to our UMCES Leadership, a new UMCES President and laboratory Directors at CBL, IMET and AL. 67IN THE NEWS COMMUNITY OUTREACH45RECENT PUBLICATIONS & AWARDS3HOLIDAY CELEBRATION28 1Thanks to our generous donors, Brian Hochheimer and Marjorie Wax and the eorts of Dr. Tom Miller, the new instruments for the Anthropogenic Center for Estuarine Sciences (ACES) center are in receiving and will be unboxed in the New Year opening up many new opportunies for environmental research and educaon.

In Case You Missed It2Johan Schijf gave an invited presentaon at the 2023 Fall Meeng of the American Geophysical Union (AGU) in SanFrancisco (11-15 Dec), tled: "Complexaon of dissolved REE in natural waters: Does what we do not (yet) knowmaer?"Past sturgeon research undertaken by Dave Secor’s laboratory was central to new water quality standardsproposed for the Delaware River. USEPA scienst and CBL-MEES alum, Dr. Jim Hagy, worked with Dave Secor andCBL-MEES Alum Edwin Niklitchek to develop a sturgeon cohort model to support stringent new DO standards forthe Delaware River. The Fact Sheet is at hps://www.epa.gov/wqs-tech/water-quality-standards-delaware-river. This same research contributed to Chesapeake Bay Program DO standards established in 2003.On Monday 12/11 Hunter Hughes, former MSc student of Hali Kilbourne and Johan Schijf presented a talk"ALLSMITE: Towards a Universal Equaon for Esmang Sea Surface Temperature from Coral Geochemistry" infront of a packed room at the AGU Fall Meeng. Hunter is now halfway through a PhD with Dr Donna Surge atUNC Chapel Hill.Jackie Grebmeier and Lee Cooper were two of the 82 authors of the NOAA Arcc Report Card that was releasedDecember 12 at the American Geophysical Union meeng in San Francisco. News outlets covering the releaseincluded the Washington Post (hps://www.washingtonpost.com/climate-environment/2023/12/12/arcc-cli-mate-change-ice-warming/) and the New York Times (hps://www.nymes.com/2023/12/12/climate/arcc-re-port-card-climate-change.html).Jackie Grebmeier aended a workshop in Sopot, Poland in November that is designing an Atlanc DistributedBiological Observatory (DBO) in the Arcc waters of the Atlanc Ocean. It is paerned aer the Pacic DBO thathas been led through NSF grants to UMCES, and Clark University, with addional parcipaon of the Universityof Washington. 

Community Outreach 3Spark! Student Career Awareness FairSeeking CBL LABS to Parcipate in the 2nd Annual Spark! Student Career Awareness Fair!Thursday, February 1, 2024 8am – 2:30pmUSMSM SMART Building | 44219 Airport Road | California, MD 20619 CBL will host a booth at this event that reaches 9th, 10th and 11th grade students in the southern Maryland area. More than 600 students aended this event last year looking to learn about career opons in the STEM elds of study. This is NOT a job, internship or employment fair. This event focuses solely on student awareness of careers that are within the STEM umbrella.What does CBL hosng a booth mean? We’ve agreed to have an interacve, hands-on or demonstrave booth and have professionals and sciensts available to talk to students as they think about their future. The goal is for students to have an engaging experience, while learning about potenal careers, and understanding the path required to get there! This event is sponsored by the SoMD 2030 Workforce DevelopmentSoMD 2030 Workforce Development is focused on building up our STEM pipeline, increasing career opportunies, and expanding partnerships with government, industry, and academia. SoMD 2030 connects talented high school and college students whom are unsure of their direcon as they begin to apply to universies and colleges.Is your lab/area of research willing to parcipate? Please contact Stacy Hutchinson with quesons or your will-ingness to be a part of this worthy event. If I don’t get volunteers, I’ll be knocking on your doors.The SoMD 2030 funding was awarded in October 2022 due to connued eorts focused on workforce de-velopment by the Southern Maryland Navy Alliance. TPP partners with St. Mary’s College of Maryland, the College of Southern Maryland, St. Mary’s, Charles, and Calvert County Public Schools, as well as other schools, industry, and NAWCAD to help achieve SoMD 2030's goals.

Recent Publications and AwardsRecent PublicaonsNew Grant Award Congratulaons4Solange Filoso wrote a paper in collaboraon with colleagues from Brazil, Chile and Switzerland which has been accepted for publicaon. The paper will be published in the peer-reviewed scienc journal Global Change Biology (Impact Factor = 13.2), which covers research on the interface between biological systems and all aspects of environmental change aecng the globe, including climate change, land use change, environmental protecon, food and water safety and provision, and global health. The arcle is tled "On the Unique Value of Forests for Water: Hydrologic Impacts of Forest Disturbances, Conversion and Restoraon".Pickart, R.S., Lin, P., Bahr, F., Mcraven, L.T., Huang, J., Pacini, A., Arrigo, K.R., Ashjian, C.J., Berchok, C., Baumgartner, M.F., Cho, K.-H., Cooper, L.W., Danielson, S.L., Dasher, D., Fuiwara, A., Gann, J., Grebmeier, J.M., He, J., Hirawake, T., Itoh, M., Juranek, L., Kikuchi, T., Moore, G.W.K., Napp, J., John Nelson, R., Nishino, S., Statscewich, H., Stabeno, P., Staord, K.M., Ueno, H., Vagle, S., Weingartner, T.J., Williams, B., and Zimmermann, S. (2023). The Pacic water ow branches in the eastern Chukchi Sea. Progress in Oceanography 219, 103169.Frey, B., V. Lyubchich, M. Zapp Suis, N. Miller, and D. Secor. 2023. Examining the periodicity of annular deposion of otolith microconstuents as a means of age validaon. Fishery Bullen 121:188-198.Drs. Lee Cooper, Keith Eshleman (AL), David Nelson (AL) have been awarded addional funds for the research project, “Assessing and understanding spaotemporal variaon in stable hydrogen and oxygen isotope values of Maryland's Rivers”. Mario Tamburri received new funding from ChemTreat for a 15-month project entled “Pilot Study to Opmize Chlorine-Based Anfouling Treatment for Power Plant Cooling Systems”.Leanne C. Powers, Philippe Schmi-Kopplin, Michael Gonsior. 2023. Evaluang the photochemical reacvity of disinfecon byproducts formed during seawater desalinaon processes. Science of the Total Environment.

Holiday Potluck5On December 15th our CBL community enjoyed our holiday lunch and acvies.The Yankee Swap provided many laughs and surprises - the gis that are the most popular and those that I have never seen before!The Trivia event was much improved over my aempt at our last potluck in Novem-ber! Genny Nesslage's quesons were a well-rounded selecon that made us think, rely on our neighbors and provided the exercise we needed aer the meal. Congrat-ulaons to Jerry Frank and Matheus Ogasawara for being the last survivors of both rounds. Thank you to all who provided some really great savory dishes and a room full of desserts.

In The News6Stomach Contents of Blue Caish Reveal Their Ecological Toll (Southern Maryland News Net) November 28The goal is to determine whether plenful and voracious blue caish are endangering the survival of their prey within a parcular river or even the enre Bay complex. Many anglers and biologists have suspected as much. They just lack the scienc evidence to prove it. The new research brings observers closer to that goal, said Dave Secor, a sheries biologist with the University of Maryland Center for Environmental Science.Arcc Changes Drive Gray Whale Die-Os Through Food Supply Swings (Mirage) December 1A long-term Arcc biological data set maintained by University of Maryland Center for Environmental Science sciensts has been instrumental in determining the cause of a series of die-os of eastern Pacic gray whales. According to the U.S. Naonal Science Foundaon-supported study published in the journal Science, uctuang stocks of a shrimp-like creature living in the sediments of the Bering and Chukchi seas are likely to have caused three major die-os in the eastern North Pacic gray whale populaon since the 1980s.Blue caish stomachs reveal ecological toll of their appete (Bay Journal) November 28New research brings observers closer to that goal, said Dave Secor, a sheries biologist with the University of Maryland Center for Environmental Science. “Some of these numbers show potenally very large impacts to predaon of prey species,” said Secor, who wasn’t involved with the studies.Endangered Species Act at 50: wins, losses and controversy (Maryland Maers) November 27Dr. Dave Secor, a professor at the University of Maryland Center for Environmental Science’s Chesapeake Biological Laboratory, explained: “The populaons live in dierent areas and so a species has a broad range. But there may be many dierent reproducing populaons within that range of species. If it goes exnct that means that all the populaons are exrpated.”

In The News Click HERE7Stacy Hutchinson was one of the 48 members from the Leadership Maryland Class of 2023 who completed the professional development program dedicated to building a beer Maryland by harnessing the strength of its local business and community leaders. hps://thedailyrecord.com/2023/12/08/leadership-maryland-graduates-class-of-2023/In the fall of 2023, Mike Wilburg's interview was featured in a new lm by Tom Horton, Dave Harp, Sandy Cannon Brown and Richard Anderson, "A Passion for Oysters, a Bay Journal lm", a lm focused on Maryland’s bay-wide oyster picture with its farms, free-range watermen and the world’s biggest oyster sanctuaries—was released. In addion to being tasty, these gems of the ocean cleanse polluted waters, provide habitats for marine creatures and barriers to storms, prevent erosion and protect estuary waters; and yet they are one of the world’s most depleted ecosystems. To that end, Maryland sciensts and environmentalists strive to save the oysters and related commerce. The lm features interviews with UMCES’ Hatchery Manager Stephanie Alexander (at 12:30 minutes in the lm) and Professors Ma Gray (at 21:30 minutes in the lm) and Mike Wilberg (at 6:45 & 11:09 minutes in the lm). Click here for more informaon.

Safety Corner: Golden Rules of Chemical Fume Hood Use8www.umces.edu/cbl | 410-326-4281P.O. Box 38 | 146 Williams Street | Solomons, MD 20688-0038Naonal Fire Protecon Associaon Diamond Label-The NFPA diamond label was developed for emergency personnel to quickly and easily idenfy any risks posed by hazardous materials when responding to a re or a spill. It helps reghters determine what procedures to follow, what equipment to use and what precauons to take upon arrival to the emergency. Responders are trained to read and understand these labels very quickly.The NFPA diamond is composed of four smaller diamonds that are each color coded. Blue – health, red – re, yellow- reacvity or instability and white – special hazards.Hazards are numbered from 0-4 with 0 being the least hazardous to 4 being a severe hazard. The higher the number the more precauons and protecve equipment is needed.Labels should be placed outside buildings, on doors and on vehicles.Red- ammability – 0 – will not burn. 1 – Needs to be preheated for ignion; ashpoint > 200 °F. 2 – Must be moderately heated for ignion; ashpoint between 100° F and 200° F. 3- Flashpoint between 73° F and 100 ° F. 4 – Extremely ammable. Flashpoint below 73° F.Blue – health- 0 – normal material. Slightly hazardous. May cause irritaon. Hazardous. Exposure may cause incapacitaon and possibly injury if not treated. Exposure could cause injury even if treated. Exposure may cause death.Yellow – reacvity or stability - 0 – stable. May detonate. May become unstable at elevated temperatures and pressures. May be mildly water reacve.2- Violent chemical change. Unstable, but will not detonate. May form explosives with water.3- Shock and heat may detonate.4- Readily detonates.White – special hazard – OX – oxidizer - no water SA – simple asphyxiantThese are the only authorized symbols for the white diamond. Other symbols- such as “corrosive” or “toxic” - are taken into account in the other diamonds.Excerpted from:Hazard Communicaon Right to Know OSHA 29 CFR 1910.1200 COMAR 09.12.33Naonal Research Council. (2011) Prudent Pracces in the Laboratory. Waashington, D.C.: Naonal Academies Press.