ME006
Environmental DNA and ‘Omics Approaches to Unravel Marine Biodiversity, Species Interactions, and Ecosystem Change

Session ID#: 259648

Session Description:
Environmental DNA (eDNA) and related ‘omics tools such as metabarcoding, metagenomics, and transcriptomics are transforming how we assess marine biodiversity, monitor ecosystem change, and infer species interactions. As these technologies mature, their application has moved beyond species inventories toward deeper ecological insights, including food web structure, symbioses, parasitism, and biogeochemical feedbacks. This session invites contributions that use molecular data to resolve patterns in biodiversity and species interactions across spatial, temporal, and environmental gradients, and that evaluate the performance, limitations, and scalability of these tools.

We seek studies advancing methods development and validation, such as improvements in workflows, bioinformatics, or efforts to benchmark tool performance. We invite applications that use eDNA and ‘omics to detect changes in food webs, ecosystem function, or responses to climate-driven stressors. Studies integrating molecular data with other platforms (e.g., satellites, autonomous vehicles, or biogeochemical sensors) are encouraged, particularly those that address challenges in data integration, system-level analysis, or ecological modeling and management applications.

This session aims to engage scientists, managers, and policymakers working at the intersection of molecular ecology, ocean observing, and applied environmental monitoring. We encourage submissions from diverse ecosystems and disciplines to advance molecular tools into scalable, policy-relevant solutions for sustaining ocean health.

Co-Sponsor(s):
  • Climate and Ocean Change -
  • Ocean Biology and Biogeochemistry -
Index Terms:

4815 Ecosystems, structure, dynamics, and modeling [OCEANOGRAPHY: BIOLOGICAL]
4817 Food webs, structure, and dynamics [OCEANOGRAPHY: BIOLOGICAL]
4840 Microbiology and microbial ecology [OCEANOGRAPHY: BIOLOGICAL]
4858 Population dynamics and ecology [OCEANOGRAPHY: BIOLOGICAL]
Student/Early Career Chair:  Kinlan M.G. Jan, Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden
Primary Chair:  Ashton M. Bandy, PhD, University of California Irvine, Department of Earth System Science, Irvine, CA, United States
Co-chairs:  Luke Thompson, Atlantic Oceanographic and Meteorological Laboratory, Miami, United States, Luis Bolanos, University of Exeter, Exeter, United Kingdom and Dr. Andreas Novotny, PhD, Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden
 
The Relationship between Phytoplankton Diversity and Ecosystem Productivity Across Methods and Scales (1862477)
Sasha Jane Kramer, Boston University, Department of Earth & Environment, Boston, United States
 
Historical community shifts following seagrass (Posidonia oceanica) loss traced by sedimentary eDNA (1907501)
Catalina A. Garcia-Escudero1, Marlene Wesselmann2, Oscar Serrano3, Panagiotis Kasapidis4 and Eugenia T. T. Apostolaki1, (1)Hellenic Centre for Marine Research, Institute of Oceanography, Heraklion, Greece, (2)Edith Cowan University, School of Science, Joondalup, Western Australia, Australia, (3)CEAB-CSIC, Blanes, Spain, (4)Hellenic Centre for Marine Research, Institute of Marine Biology, Biotechnology and Aquaculture, Heraklion, Greece
 
Understanding how different Gulf killifish (Fundulus grandis) populations respond to osmotic stress (1952556)
Antrelle Clark1, Chris J Anderson2 and Moisés A Bernal1, (1)Auburn University, Department of Biological Sciences, Auburn, United States, (2)Auburn University, Auburn, United States
 
A Marinimicrobia Phylogenetic Framework Enables Investigation of Family-Level Metabolic Potential in an Oxygen Deficient Zone (1960828)
Jordan Winter, University of Washington Seattle Campus, Oceanography, Seattle, United States and Gabrielle Rocap, University of Washington, School of Oceanography, Seattle, United States
 
Morpho-Taxonomic Account of Hermit Crabs (Crustacea: Decapoda) from Chattogram-Cox's Bazar Coast (2006080)
Rufaida Siddiquee, University of Chittagong, Institute of Marine Sciences, Chattogram, Bangladesh and Md. Jahidul Hasan, Md. Rokunuzzaman
 
Beyond the Net: Evaluating eDNA as a Non-Lethal Tool for Species Identification of Hydroacoustic Data (2008686)
Hans Daubenberger1, Khadijah Homolka1, Elisabeth Duffy2 and Julianna Sullivan1, (1)Port Gamble S'Klallam Tribe, Natural Resources, Kingston, United States, (2)Long Live The Kings, Seattle, United States
 
eDNA Metabarcoding Identifies Confluence Fronts as Fish-Community Diversity Hotspots: Turnover-Dominated Patterns in Sanriku (2010710)
Yuan Lin1, Zeshu Yu1, SK Istiaque Ahmed1, Xueding Wang1, Eisuke Tsutsumi2, Itsuka Yabe3, Tomihiko Higuchi1, Yuki Minegishi1, Marty Wong1, Sachihiko Itoh1, Jun Inoue1, Susumu Hyodo1 and Shin-ichi Ito1, (1)Atmosphere and Ocean Research Institute University of Tokyo, Kashiwa, Japan, (2)Kagoshima University, Kagoshima, Japan, Kagoshima, Japan, (3)Tokyo University of Marine Science and Technology, Tokyo, Japan
 
Shedding and Decay of Environmental DNA from the Critically Endangered Sunflower Star (Pycnopodia helianthoides) (2012946)
Alexandria B Boehm1, Zachary Gold2, Meghan Shea3, Ashley Kidd4 and Andrew Kim4, (1)Stanford University, Civil & Environmental Engineering, Stanford, United States, (2)NOAA, Pacific Marine Environment Laboratory, Seattle, United States, (3)Stanford University, Emmett Interdisciplinary Program in Environment and Resources, Stanford, United States, (4)Sunflower Star Lab, Moss Landing, United States
 
'Gastropod-Trematode Parasitism on Tropical Mudflats' (2013338)
Ranjana Yadav, CSIR-National Institute of Oceanography, Dona Paula, India
 
Variations in the Latitudinal Diversity Gradients of the Ocean Microbiome (2013591)
Dominic Eriksson1, Jonas Schiller2, Alexandre Schickele3, Taylor Priest4, Anna Mankowski5, Enzo Faucher6, Lucas Ustick7, Michael Kuhn5, Samuel Miravet-Verde8, Hans-Joachim Ruscheweyh4, Corentin Clerc9, Nicolas Gruber3, Shinichi Sunagawa10, Peer Boork5 and Meike Vogt3, (1)ETH Zürich, Environmental Systems Science, Zürich, Switzerland, (2)European Molecular Biology Laboratory (EMBL), Heidelberg, Germany, (3)Environmental Physics, Institute of Biogeochemistry and Pollutant Dynamics, ETH Zurich, Zurich, Switzerland, (4)ETH Zurich, Biology, Zurich, Switzerland, (5)European Molecular Biology Laboratory, Heidelberg, Germany, (6)École Nationale Supérieure des Ingénieurs en Arts Chimiques et Technologiques, Toulouse, France, (7)University of California Irvine, Ecology and Evolutionary Biology, Irvine, CA, United States, (8)ETH Swiss Federal Institute of Technology Zurich, Biology, Zurich, Switzerland, (9)Sorbonne University, Paris, France, (10)ETH Zurich, Zurich, Switzerland
 
Acantharea niche partitioning across environmental gradients revealed by DNA metabarcoding (2014201)
Lauren Kittell-Porter and Leocadio Blanco-Bercial, Bermuda Institute of Ocean Sciences - Arizona State University, Julie Ann Wrigley Global Futures Laboratory, St. George's, Bermuda
 
Multi-primer eDNA metabarcoding approach reveals cross-trophic community diversity in Pearl River Estuary (2014975)
Taylor Ming Wai LI, Hong Kong University of Science and Technology, Ocean Science Department, Hong Kong, Hong Kong
 
Environmental DNA Reveals Microbial Tracers of River Run-Off in European Coastal Ecosystems (2015843)
Raffaella Casotti1, Maria Concetta Eliso2, Marina Chauvet3, Anders Lanzen4, Leire Garate5, Michele Gourmelon6, Anna Chiara Trano2, Leho Tedersoo7, Vladimir Mikryukov7 and Raffaele Siano8, (1)Stazione Zoologica Anton Dohrn, EMI Department, Naples, Italy, (2)Stazione Zoologica Anton Dohrn, Integrative Marine Ecology, Napoli, Italy, (3)Ifremer, DYNECO, 29280 Plouzané, France, (4)AZTI, Marine Research and Technology Alliance (BRTA), Pasaia, Spain, (5)AZTI, Marine research and Tecnology Alliance (BRTA), Pasaia, Spain, (6)IFREMER, DYNECO, Plouzané, France, (7)Institute of Ecology and Earth Sciences, University of Tartu, Tartu, Estonia, (8)Ifremer, DYNECO, Plouzané, 29280, France, Plouzané, France
 
eDNA Can Detect Panulirus argus Virus 1 in Seawater (2016228)
Aiko Abo Dominguez1,2, Stephanie Rosales2,3, Sterling Butler2,3 and Francis Serrano2,3, (1)University of Southern California, Biological Sciences, Los Angeles, United States, (2)Atlantic Oceanographic and Meteorological Laboratory, National Oceanic and Atmospheric Administration, Miami, United States, (3)Cooperative Institute for Marine and Atmospheric Studies, University of Miami, Miami, United States
 
Who Eats Whom and When Does Carbon Sink: Mapping Multitrophic Carbon Pathways in the Bermuda Atlantic Time-Series (2016440)
Falk Eigemann1, Jutta Hoffmann2, Leocadio Blanco-Bercial3, Fabian Wittmers4, Kevin Vergin5, Krista Longnecker6, Alexandra Z Worden7, Stephen J Giovannoni8, Elizabeth B Kujawinski6 and Ferdi Hellweger1, (1)Technical University of Berlin, Water Quality Engineering, Berlin, Germany, (2)Technical University of Berlin, Berlin, Germany, (3)Bermuda Institute of Ocean Sciences - Arizona State University, Julie Ann Wrigley Global Futures Laboratory, St. George's, Bermuda, (4)Oregon State University, Corvallis, United States, (5)Microbial DNA Analytics, Phoenix, OR, United States, (6)Woods Hole Oceanographic Inst, Marine Chemistry & Geochemistry, Woods Hole, United States, (7)Marine Biological Laboratory, Woods Hole, MA, United States, (8)Oregon State University, Department of Microbiology, Corvallis, OR, United States
 
Time-varying Hydrodynamics Shape Local Fish Communities in Coral Reefs (2017645)
Kota Ishikawa1,2, Takuma Masui3, Keita Koeda4 and Michio Kondoh1,2, (1)Tohoku University, Graduate School of Life Sciences, Sendai, Japan, (2)Tohoku University & JAMSTEC Advanced Institute for Marine Ecosystem Change, Sendai, Japan, (3)University of the Ryukyus, Graduate School of Science and Engineering, Okinawa, Japan, (4)University of the Ryukyus, Faculty of Science, Okinawa, Japan
 
Phytoplankton biodiversity: environmental DNA and RNA compared with microscopy and remote sensing (2018499)
Sirje Sildever1, Pille Leesmäe2, Satoshi Nagai3, Villu Kikas2, Maria Cecilia Sarmiento Guerin4, Age Aavaste2, Lola Link2, Marlene Kaljumäe2, Nelli Rünk2, Urmas Lips2, Rivo Uiboupin2 and Lenne Nigul5, (1)Department of Marine Systems, Tallinn University of Technology, Tallinn, Estonia, (2)Tallinn University of Technology, Department of Marine Systems, Tallinn, Estonia, (3)Fisheries Technology Institue, Japan Fisheries Research and Education Agency, Yokohama, Japan, (4)Department of Chemistry and Biotechnology, Tallinn University of Technology, Tallinn, Estonia, (5)Tallinn University of Technology, Department of Chemistry and Biotechnology, Tallinn, Estonia
 
A High-Resolution Profile of Microbial Communities in the Eastern Tropical Pacific (2020339)
Kelsie Bouyer, Lafayette College, Easton, United States and Lee Kerkhof, Rutgers University New Brunswick, Department of Marine and Coastal Sciences, New Brunswick, United States
 
Disentangling plankton food webs along the Texas Gulf Coast to predict the future of estuarine ecosystems (2021635)
Jordan Casey1, Alex J Barth1, David Malcolm1 and Mevin B Hooten2, (1)The University of Texas Marine Science Institute, Department of Marine Science, Port Aransas, United States, (2)University of Texas at Austin, Department of Statistics and Data Sciences, Austin, United States
 
Metagenomics reveals patterns of ocean nutrient limitation in the California Current Ecosystem (2021879)
Ashton M. Bandy, PhD, University of California Irvine, Department of Earth System Science, Irvine, CA, United States, Adam Martiny, University of California Irvine, Earth System Science, Irvine, CA, United States and Nastassia Patin, California Cooperative Fisheries Investigations & Scripps Institution of Oceanography, La Jolla, California, United States
 
Patterns in marine surface fish biodiversity and community composition detected by different eDNA metabarcoding sampling methods (2022368)
Shin-ichi Ito, Atmosphere and Ocean Research Institute University of Tokyo, Tokyo, Japan and SK Istiaque Ahmed, Atmosphere and Ocean Research Institute University of Tokyo, Kashiwa, Japan
 
Assessing zooplankton biodiversity patterns using an integrated molecular and morphological approach along a coastal salinity gradient (2024615)
Tjardo Stoffers1, Nicolas Henry2, Catharina Uth1, Aleksandra Lewandowska1 and Maiju Lehtiniemi3, (1)University of Helsinki, Tvärminne Zoological Station, Hanko, Finland, (2)CNRS, FR2424, ABiMS, Station Biologique de Roscoff, Sorbonne Université, Roscoff, France, (3)Finnish Environment Institute (Syke), Helsinki, Finland
 
Rapid Screening Methods for the three most abundant Sandeel Species in the southern North Sea (2024975)
Judith van Bleijswijk1, Bram Parmentier2, Eva Immler2, Maartje Brouwer1, Bram Couperus3, Ingrid Tulp3, Geert Aarts2 and Rob Witbaard2, (1)Royal Netherlands Institute for Sea Research, MMB, Den Burg, Netherlands, (2)Royal Netherlands Institute for Sea Research, COS, Den Burg, Netherlands, (3)Wageningen Marine Research, IJmuiden, Netherlands
 
Insights into eDNA Dispersal and Fate in the Ocean Using Lagrangian Particle Tracking Modelling (2025232)
Mohamed Yosri Zanni1, Verena Trenkel1 and Robin Faillettaz2, (1)IFREMER, DECOD (Ecosystem Dynamics and Sustainability), Institut-Agro, IFREMER, INRAe, Nantes, France, Nantes, France, (2)IFREMER, DECOD (Ecosystem Dynamics and Sustainability), Institut-Agro, IFREMER, INRAe, Lorient, France, Lorient, France
 
Within-Family Metabolic Diversification Underpins Microbial Adaptation Across Seasons and Depths in the Arctic Upper Ocean (2027963)
Xi Chen1,2, Katja Metfies2 and A. Murat Eren1,2, (1)Helmholtz Institute for Functional Marine Biodiversity, Ecosystem Data Science, Oldenburg, Germany, (2)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany
 
Environmental Stability Shapes Coral Reef Communities: eDNA Analysis from Two Contrasting Panamanian Gulfs (2028635)
Paige Smallman1, Matthieu Leray2 and Rowan D.H. Barrett1, (1)McGill University, Biology, Montreal, QC, Canada, (2)Smithsonian Tropical Research Institute, Balboa, Panama
 
Microbes from space? Linking microbial community parameters to satellite derived measurements in the Gulf of Maine (2029204)
Julia M Brown, Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, UNITED STATES, Timothy D'Angelo, Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, United States, Sunny Pinkham, Bigelow Lab for Ocean Sciences, East Boothbay, United States and Catherine M Mitchell, Bigelow Laboratory for Ocean Sciences, East Boothbay, Maine, United States
 
High-resolution multiomics links nutrients and mixotrophy to toxicity in a harmful bloom of the haptophyte Chrysochromulina leadbeateri (2030180)
Uwe John1,2, Antonia Otte3, Sylke Wohlrab4, Allan Cembella5, Jan Janouškovec6, Daniela Voss7, Jan Tebben4, Philippe Schmitt-Kopplin8, Thomas Ostenfeld Larsen9 and Bente Edvardsen10, (1)Helmholtz Institute for Functional Marine Biodiversity, Eco-evolutionary Genomics, Oldenburg, Germany, (2)Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Bremerhaven, Germany, (3)University of East Anglia: Norwich, Norfolk, GB, Norwich, United Kingdom, (4)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Ecological Chemistry, Bremerhaven, Germany, (5)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (6)School of Biological Sciences, University of Southampton, Southampton, UK., Southampton, United Kingdom, (7)University of Oldenburg, Niedersächsische Zentrum für Marine Sensorik, Wilhelmshaven, Germany, (8)Helmholtz Zentrum Muenchen, German Research Center for Environmental Health, Research Unit Analytical Biogeochemistry, Neuherberg, Germany, (9)Department of Biotechnology and Biomedicine, Technical University of Denmark, Lyngby, Denmark., Copenhagen, Denmark, (10)Section for Aquatic Biology and Toxicology, Department of Biosciences, University of Oslo, Oslo, Norway., Oslo, Norway
 
Exploration of Bering Sea ecosystem responses to late Pleistocene glacial-interglacial cycles using sedimentary ancient DNA (2031546)
Sarah Trubovitz1, Beth Caissie2, Ciara Wanket3 and Ana Christina Ravelo1, (1)University of California Santa Cruz, Ocean Sciences, Santa Cruz, United States, (2)U.S. Geological Survey, Ecosystems - Paleoceanography & Paleoclimatology, Moffett Field, United States, (3)University of California Santa Cruz, Ecology and Evolutionary Biology, Santa Cruz, United States
 
Metazoan eDNA in the Eastern Tropical South Pacific Oxygen Deficient Zone (2031671)
David Garcia Prieto, Clara A Fuchsman and Alexandra Burns, University of Maryland Center for Environmental Science Horn Point Laboratory, Cambridge, United States
 
Insights from Five Years of sampling and >6,000 eDNA Samples: Tracking Shifts in Marine Vertebrate Assemblages Across a Latitudinal Gradient in Australia’s Marine Estate (2032137)
Marcelle Ayad1,2, Philipp E Bayer1,2, Adam Bennett1, Shannon Corrigan1,2, Dr. Eric Raes1,2, Matthew W Fraser1,2, Priscila Goncalves1,2, Georgia Nester1,3, Michael Bunce2 and OceanOmics Centre, (1)Minderoo OceanOmics Centre at UWA, Perth, Australia, (2)Minderoo Foundation, Perth, Australia, (3)Minderoo-UWA Deep Sea Research Centre, Perth, Australia
 
Energetic resource quality drives the emergence of metazoan biodiversity hotspots across coastal oceans (2032376)
Simon Brandl, University of Texas at Austin, Department of Marine Science, Austin, United States, Jordan Casey, The University of Texas Marine Science Institute, Department of Marine Science, Port Aransas, United States, Zhanfei Liu, University of Texas at Austin- Marine Science Institute, Port Aransas, United States, Sean Connolly, Smithsonian Tropical Research Institute, Balboa, Panama, James Emmett Emmett Duffy, Smithsonian Institution, Tennenbaum Marine Observatories Network, Washington, United States, Robert F Semmler, Smithsonian Environmental Research Center Edgewater, Edgewater, United States and Nicole R Foster, CEAB-CSIC, Girona, Spain
 
Drivers of Zooplankton Community Structure and Diversity Across an Upwelling Gradient in the California Current Ecosystem (2032537)
Dante Alessandro Capone, Scripps Institution of Oceanography, San diego, United States, Jeff Shovlowsky Bowman, University of California, San Diego, Scripps Institution of Oceanography, La Jolla, United States, Stephanie Matthews, University of Washington, Seattle, United States, Moira R. Décima, Scripps Institution of Oceanography, La Jolla, United States, Ramon Gallego, Universidad Autónoma de Madrid - Unidad de Genética, Madrid, Spain, Hannah Budroe, University of Georgia, Athens, United States and Michelle Pistner Nixon, Pennsylvania State University, University Park, United States
 
Minderoo OceanOmics Centre at UWA: Developing and applying genomics tools to transform biodiversity discovery and conservation (2032705)
Shannon Corrigan1, Liam Anstiss1, Marcelle Ayad1, Philipp E Bayer2, Michael Bunce2, Matthew W Fraser2, Adam Bennett1, Priscila Goncalves2, Emma De Jong1, Georgia Nester3, Anna Depiazzi1, Adrianne Doran1, Ibrahim Faseeh1, Lauren Huet1, Laura Missen1, Tyler Peirce1, Eric Raes2 and Ebony Thorpe1, (1)Minderoo OceanOmics Centre at UWA, Perth, Australia, (2)Minderoo Foundation, Perth, Australia, (3)Minderoo-UWA Deep Sea Research Centre, Perth, Australia
 
From reads to food webs: using DNA metabarcoding to link biodiversity, energy flux, and ecosystem function (2033276)
Dr. Andreas Novotny, PhD1, Kinlan M.G. Jan1, Brian Hunt2 and Monika Winder1, (1)Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden, (2)University of British Columbia, Institute for the Oceans and Fisheries, Vancouver, BC, Canada
 
Multi-omics insights into seasonal dynamics and interaction networks underpinning planktonic community stability in a subtropical mussel aquaculture system (2033664)
Dr. Qian LIU1, Yeping Yuan2, Jian Wang3, Mengmeng Tong4, Mingyan Lai3 and Wensi Zhang5, (1)Second Institute of Oceanography, Ministry of Natural Resources, Hangzhou, China, (2)Zhejiang University, Ocean College, Zhoushan, China, (3)Second Institute of Oceanography, MNR, Hangzhou, China, (4)Zhejiang University, Ocean College, Hangzhou, China, (5)University of Auckland, Auckland, New Zealand
 
Megafauna through a genetic lens: mapping the hidden life of the Mediterranean Sea using eDNA (2033868)
Alessia Rota1, Graziella Pupillo1, Antonella Arcangeli2, Fulvio Maffucci3 and Elena Valsecchi1, (1)University of Milano-Bicocca, Milano, Italy, (2)Joint Research Center Ispra, Ispra, Italy, (3)Zoological Station Anton Dohrn of Naples, Naples, Italy
 
High-Frequency Coastal Time Series Reveals Temporal Mismatch Between Phytoplankton and Prokaryotic Community Shifts (2034479)
Yi-Chun Yeh1, Pei-Chi Ho1, Tzong-Yueh Chen2 and Chih-hao Hsieh1, (1)IONTU Institute of Oceanography National Taiwan University, Taipei, Taiwan, (2)NTOU National Taiwan Ocean University, Keelung, Taiwan
 
Metabarcoding and developmental analysis methods reveal spawning population-level variation of diet and growth in a critical life stage of the Baltic herring (Clupea harengus) (2034590)
Lauren Aylward1, Kinlan M.G. Jan1, Alice Branner1, Rebecca Roth1, Henrik Svedäng2 and Monika Winder1, (1)Department of Ecology, Environment and Plant Sciences, Stockholm University, Stockholm, Sweden, (2)Baltic Sea Centre, Stockholm University, Stockholm, Sweden
 
Seasonal variability of Arctic zooplankton abundance and biodiversity during the MOSAiC expedition (2019-2020) – a metabarcoding approach (2034903)
Magdalena Dolinkiewicz1, Ellen Oldenburg2, Astrid Cornils3, Jannis Hümmling3, Katja Metfies1, Ovidiu Popa2, Hauke Flores3, Carin J Ashjian4, John Paul Paul Balmonte5, Giulia Castellani6, Robert G. Campbell7, Emelia Chamberlain8, Jessie Gardner9, Celia Gelfman10, Nicole Hildebrandt11, Clara Hoppe12, Serdar Sakinan13, Fokje Schaafsma14, Katrin Schmidt15, Pauline Snoeijs Leijonmalm16, Katyanne Shoemaker17 and Barbara Niehoff3, (1)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (2)Heinrich-Heine University Düsseldorf, Biology, Düsseldorf, Germany, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Polar Biological Oceanography, Bremerhaven, Germany, (4)Woods Hole Oceaonographic Institution, Woods Hole, MA, United States, (5)Lehigh University, Earth and Environmental Sciences, Bethlehem, United States, (6)MARUM - University of Bremen, Bremen, Germany, (7)University of Rhode Island, Graduate School of Oceanography, United States, (8)Woods Hole Oceanographic Institution, Woods Hole, United States, (9)UiT The Arctic University of Norway, Tromsø, Norway, (10)University of Rhode Island, Graduate School of Oceanography, Kingston, United States, (11)AquaEcology GmbH & Co. KG, Oldenburg, Germany, (12)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research, Marine Bioeociences, Bremerhaven, Germany, (13)Wageningen University & Research, IJmuiden, Netherlands, (14)Wageningen University & Research, Ijmuiden, Netherlands, (15)University of Plymouth, Plymouth, United Kingdom, (16)Stockholm University, Ecology, Environment and Plant Sciences, Stockholm, Sweden, (17)NOAA Southwest Fisheries Science Center, Ecosystems and Aquaculture Aquaculture Innovation, Mildorf, United States
 
eDNA, Network Modelling, and Convergent Cross Mapping Reveal Arctic Marine Fungal Dynamics: Implications for Ecosystem Monitoring (2035586)
Marlis Reich1, Laura Jacke1, Sreelakshmi Lakshmanan1, Alexandra Kraberg2, Katja Metfies3, Ovidiu Popa4 and Ellen Oldenburg4, (1)University of Bremen, MARUM, Bremen, Germany, (2)Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Polar Biological Oceanography, Bremerhaven, Germany, (3)Alfred Wegener Institute Helmholtz-Center for Polar and Marine Research Bremerhaven, Bremerhaven, Germany, (4)Heinrich-Heine University Düsseldorf, Biology, Düsseldorf, Germany
 
Does Temperature Affect the Ability to Detect Phylogenetic Signal of Coral Hosts? (2035788)
Sarah Brook1, Tucker Gilman1 and Mark Muldoon2, (1)University of Manchester, Department of Earth and Environmental Sciences, Manchester, United Kingdom, (2)University of Manchester, Department of Mathematics, Manchester, United Kingdom
 
Surface or bottom: does eDNA metabarcoding reveal differences in fish diversity based on vertical sampling depth? (2036155)
Lina Mtwana Nordlund, Uppsala University, Department of Earth Sciences, Natural Resource sand Sustainable Development, Campus Gotland, Uppsala, Sweden, Sara Kurland, Uppsala University, Department of Earth Sciences, Natural Resources and Sustainable Development, Campus Gotland, Uppsala, Sweden and Florian Lüskow, Uppsala University, Department of Earth Sciences, Natural Resources and Sustainable Development, Campus Gotland,, Visby, Sweden
 
Strain-level Characterization by Ribosomal RNA Operon Profiling in Marine Samples (2036859)
Lee Kerkhof1, Lauren A Hall1, David Bushek2, Kelsie Bouyer3, Nicole Webster4, Heidi Yeh5, Anil Kumar6 and Max Haggblom6, (1)Rutgers, the State University of New Jersey, New Brunswick, United States, (2)Rutgers University, Haskin Shellfish Research Labratory, Commercial Township, NJ, United States, (3)Lafayette College, Easton, United States, (4)University of Tasmania, Hobart, Australia, (5)Pinelands Alliance, Southhampton, United States, (6)Rutgers, the State University of New Jersey, New Bruns, United States
 
Organellar Genomes of Three Globally Important Nanoplanktonic Diatoms Refine Their Taxon-Specific Distribution and Succession Patterns in the Northwest Atlantic (2037797)
Rebecca Stevens-Green1, Caroline Chénard2, Solenn Mordret3, Jenna MacKinnon2, Brent M. Robicheau4 and Julie LaRoche1, (1)Dalhousie University, Department of Biology, Halifax, NS, Canada, (2)National Research Council Canada, Aquatic and Crop Resource Development, Halifax, NS, Canada, (3)National Research Council Canada, Aquatic and Crop Resource Development, Halifax, Canada, (4)University of Prince Edward Island, Department of Biology, Charlottetown, PE, Canada
 
The Fantastic Baltic Four: A field sampling approach for four Biology and Ecosystem Essential Ocean Variables (EOVs) (2038547)
Florian Lüskow, Uppsala University, Department of Earth Sciences, Natural Resources and Sustainable Development, Campus Gotland,, Visby, Sweden and Lina Mtwana Nordlund, Uppsala University, Department of Earth Sciences, Natural Resource sand Sustainable Development, Campus Gotland, Uppsala, Sweden
 
Microbes in the Margins: Community Variation Across Marine Silverside (Atherinopsidae) Species and Sample Types (2039076)
Matea Djokic, FISHBIO, Chico, United States and Donovan German, University of California Irvine, Irvine, United States
 
Bacterial composition of the microbiome of mesopelagic fishes from the Northeast Atlantic: a focus on the bioluminescent community (2040069)
Capucine Le Cam Ligier1, Marc Garel2, Sophie Guasco3, Hélène Thibault2, Christian Tamburini3, Frédéric Ménard4, Séverine Martini5, Yves Cherel6 and Laurie Casalot7, (1)Aix Marseille Univ., Université Toulon, CNRS, IRD, MIO UM 110, Mediterranean Institute of Oceanography, Marseille, France, Marseille Cedex 09, France, (2)Aix Marseille Univ., Université Toulon, CNRS, IRD, MIO UM 110, Mediterranean Institute of Oceanography, Marseille, France, Marseille, France, (3)Aix Marseille Univ. Université de Toulon, CNRS,IRD,MIO UM110, Mediterranean institut of oceanography, Marseille, France, (4)IRD, Marseille, France, (5)Aix Marseille Université, Université de Toulon, CNRS, IRD, MIO, Marseille, France, (6)Centre d’Etudes Biologiques de Chizé (CEBC), UMR 7372 du CNRS-La Rochelle Université, 79360 Villiers-en-Bois, France, Villiers-en-Bois, France, (7)Aix Marseille Univ, Université de Toulon, CNRS, IRD, MIO, Marseille, France, Marseille, France
 
Bioluminescence and Environmental Light as Drivers of Visual Evolution in Deep-sea Shrimp (2040328)
Danielle De Leo, UNITED STATES; Florida International University, Biological Sciences, Miami, United States and Heather Bracken-Grissom, Florida International University, North Miami, FL, UNITED STATES
 
Who Eats Doliolids? Identification of Potential Predators of the Pelagic Tunicate Dolioletta gegenbauri (2041048)
Michael Sabbagha1, Laura M Treible1, Andy M Mugisha2, Tina L Walters3, Sarah Toepfer1, Gabi Tutelo4, Alyssa Fritz3, LaGina Frazier1 and Marc Emil Frischer4, (1)Savannah State University, Savannah, United States, (2)Bowdoin College, Brunswick, United States, (3)Skidaway Institute of Oceanography, Savannah, United States, (4)Skidaway Institute of Oceanography, University of Georgia, Savannah, United States
 
Creation and Validation of a Species-Specific Primer-Probe Assay for the Permit (Trachinotus falcatus): Applications for Marine Spawning Aggregations (2041804)
Andrew Natter1, Benjamin Benjamin2, Diego Cardeñosa2, Gina Clementi2, Kirk Gastrich2 and Kevin M Boswell3, (1)UNITED STATES, (2)Florida International University, Miami, United States, (3)Florida International University, Biological Sciences, North Miami, FL, United States
 
New Heights: Variations in Protistan Community Composition Throughout the Hydrothermal Vent Plume at Axial Seamount (2042574)
Alexis Adams1, Kayla A Nedd1, Dylan Vecchione2, Maria Pachiadaki3, Julie A Huber4 and Sarah Hu5, (1)Texas A&M University, College Station, United States, (2)University of Washington, Seattle, United States, (3)Woods Hole Oceanographic Institution, Biology, Woods Hole, United States, (4)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States, (5)Texas A&M University, Oceanography, College Station, United States
 
Leveraging Metagenomics and Metatranscriptomics to Gain Novel Insights in the Functional Dynamics of Microeukaryotic Plankton Communities (2042916)
Pascal Hablützel, Vrije Universiteit Brussel, Biology Department, Brussels, Belgium; Flanders Marine Institute (VLIZ), Ostend, Belgium, Michiel Perneel, Flanders Marine Institute, Ostend, Belgium, Jayon A Gutiérrez Betancur, NewAtlantis Labs, Los Angeles, United States and Steven Maere, VIB-UGent Center for Plant Systems Biology, Ghent, Belgium
 
Biogeography of Planktic Foraminifera in the Gulf of Mexico using both Genetic and Morphologic Approaches (2043033)
Kelly Fawcett1, Catherine Davis2, Astrid Schnetzer3, Lucy Roussa4, Lily Hughes2, Clare Bird5, Kate Darling6, Beth A Stauffer7, Leticia Barbero8 and Sharon Z Herzka9, (1)North Carolina State University Raleigh, Raleigh, NC, United States, (2)North Carolina State University, Raleigh, United States, (3)North Carolina State University, Marine, Earth, and Atmospheric Sciences, Raleigh, United States, (4)North Carolina State University Raleigh, Department of Marine, Earth and Atmospheric Sciences, Raleigh, United States, (5)University of Stirling, Biological and Environmental Sciences, Stirling, United Kingdom, (6)University of Edinburgh, Edinburgh, United Kingdom, (7)University of Louisiana at Lafayette, School of Biological Sciences, Lafayette, United States, (8)NOAA Atlantic Oceanographic and Meteorological Laboratory, Ocean Chemistry and Ecosystems Division, Miami, United States, (9)University of Texas at Austin, Marine Science Institute, Port Aransas, United States
 
Molecular responses to heat stress in Porites lobata

from a resilient reef system in Palau (2044224)
Alexi Meltel, University of Hawaii at Manoa, Pacific Biosciences Research Center, Honolulu, HI, United States and Robert H Richmond, University of Hawaii at Manoa, Honolulu, HI, United States
 
Supporting NOAA Ocean Exploration with a Comprehensive Environmental DNA Data Analysis and Sharing Platform (2044440)
Luke Thompson1,2, Clement Coclet1,2, Katherine Silliman, PhD1,2, Steve Auscavitch3, Allen Collins4, Bayden Willms1,2, Carter Rollins1,2, Ashley Marranzino5, Jennifer Green6, Mashkoor Malik7 and Nicole Miller8, (1)Mississippi State University, Northern Gulf Institute, Starkville, United States, (2)Atlantic Oceanographic and Meteorological Laboratory, Ocean Chemistry and Ecosystems Division, Miami, United States, (3)Smithsonian Institution, National Museum of Natural History, Washington, United States, (4)Smithsonian National Museum of Natural History, Invertebrate Zoology, Washington DC, United States, (5)UCAR / NOAA Ocean Exploration Affiliate, Silver Spring, United States, (6)Mississippi State University, Northern Gulf Institute, NOAA National Centers for Environmental Information (NCEI) Affiliate, Stennis Space Center, United States, (7)NOAA Ocean Exploration, Silver Spring, United States, (8)University Corporation for Atmospheric Research, Cooperative Programs for the Advancement of Earth System Science, Boulder, United States
 
Thank you for biting? Understanding and leveraging microbial symbioses to mitigate global change impacts (2044664)
Adrienne Correa, Environmental Science, Policy, and Management, University of California Berkeley, Berkeley, United States and Kara R Titus, Rice University, Biosciences, Houston, United States
 
Absolute Quantification of Microbial Eukaryotes, Bacteria, and Archaea: Taxon-resolved abundances of rRNA genes and whole genomes (~cells) per liter via internal standards or anchoring with flow cytometry, from amplicons and metagenomes with validations and application to long ocean transects (2044698)
Nathan Williams, Department of Biological Sciences–Marine and Environmental Biology, University of Southern California, Los Angeles, California, United States, Department of Biological Sciences, Los Angeles, United States, Yubin Raut, University of Southern California, Department of Biological Sciences, Los Angeles, United States, Qicheng Bei, Department of Biological Sciences–Marine and Environmental Biology, University of Southern California, Los Angeles, California, United States, LOS Angeles, United States, Alexandra Elizabeth JonesKellett, Massachusetts Institute of Technology, Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, Michael J Follows, Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, Cambridge, United States and Jed A Fuhrman, University of Southern California, Department of Biological Sciences, Los Angeles, CA, United States
 
Investigating Gene Expression in Thalassia testudinum Under Urbanization Stress in San Juan, Puerto Rico (2046242)
Mineris Figueroa Colón1, Kelcie Chiquillo2 and Alfredo Ghezzi Grau1, (1)University of Puerto Rico Rio Piedras, Biology, San Juan, United States, (2)Florida International University, United States
 
Assessing the risk of the protozoan parasite Toxoplasma gondii within a whole Watershed scale towards restoring healthy ecosystems. (2047376)
Ashley Olguin1, Keli'iahonui Kotubetey2, Angel Hi'ilei Kawelo2, James A Robertson3, Noʻeau Machado4, Logan Ayau5, Alii Miner6, Iokepa Paty-Miner7, Yoshimi M Rii8 and Rosie Alegado1, (1)University of Hawaii at Manoa, Honolulu, United States, (2)Paepae o He'eia, Kaneohe, United States, (3)He'eia National Estuarine Research Reserve, Kaneohe, United States, (4)national estuarine research reserve of Heeia, Kaneohe, United States, (5)Papahana Kuala, Kaneohe, United States, (6)Kākoʻo ʻŌiwi, Kaneohe, United States, (7)Hawaiʻi Coral Reef Initiative; Kākoʻo ʻŌiwi, Kaneohe, United States, (8)University of Hawaii at Manoa, Oceanography, Honolulu, United States
 
Antarctic meiofaunal communities assessed by metabarcoding: What is the geographic range of observed species? and which environmental factors drive community composition? (2047650)
Kenneth M Halanych, University of North Carolina at Wilmington, Center for Marine Science, Wilmington, United States, Lauren Baena, University of North Carolina at WIlmington, Center for Marine Science, Wilmington, United States and Andrew R Mahon, Central Michigan University, Mount Pleasant, United States
 
Gene expression responses of Thalassia testudinum under simulated herbivory pressure (2047815)
Arelys Lopez, University of Puerto Rico Rio Piedras Campus, Biology, San Juan, United States and Kelcie Chiquillo, Florida International University, United States
 
What Lurks in the Dark? An Exploration of Potential Protistan Endemism in the Deep-sea Hydrothermal Vents of the Mid-Cayman Rise. (2047824)
Kayla A Nedd1, Alexis Adams1, Rika Elizabeth Anderson2, Julie A Huber3 and Sarah Hu4, (1)Texas A&M University, College Station, United States, (2)Carleton College, Biology Department, Northfield, United States, (3)Woods Hole Oceanographic Institution, Marine Chemistry and Geochemistry, Woods Hole, MA, United States, (4)Texas A&M University, Oceanography, College Station, United States
 
eDNA as an Investigative Tool for Natural and Artificial Oyster Reefs in the Hampton River Estuary (2048046)
Jeanette Davis, Hampton University, Department of Marine and Environmental Science, Hampton, United States
 
Uncovering Seasonal Patterns of Microbial Diversity in a Changing Gulf of Maine with Environmental DNA (2048336)
Sydney Greenlee, University of Maine, School of Marine Sciences, Orono, United States; Bigelow Lab for Ocean Sciences, East Boothbay, United States, Robin Sleith, Bigelow Laboratory for Ocean Sciences, East Boothbay, United States, Damian C Brady, University of Maine, Orono, United States and Peter D. Countway, Bigelow Laboratory for Ocean Sciences, East Boothbay, ME, United States
 
Can we assess marine biodiversity using environmental DNA analysis of surface sediments – applications for biodiversity monitoring and paleo-ecology (2048888)
Nicole R Foster1, Rafael Huertas2, Eduard Serrano3, Mar Truc2 and Oscar Serrano4, (1)CEAB-CSIC, Girona, Spain, (2)Centre D'estudis Avançats de Blanes, Consejo Superior de Investigaciones Científicas (CEAB- CSIC), Blanes, Spain, Blanes, Spain, (3)BIOSFERA EnvironmentalEducation, Research and Conservation, L'Hospitalet de Llobregat, Barcelona, Spain, Girona, Spain, (4)CEAB-CSIC, Blanes, Spain
 
Metabarcoding or Shotgun Sequencing? Quantitative Insights from Mock Communities (2048928)
Dandan Izabel-Shen1, Henrik Sandberg2, Francisco Nascimento2, Mohammed Ahmed3 and Oleksandr Holovachov4, (1)Helmholtz Institute for Functional Marine Biodiversity (HIFMB) at the University of Oldenburg, Germany, Oldenburg, Germany, (2)Stockholm University, Department of Ecology, Environment and Plant Sciences, Stockholm, Sweden, (3)University of Liverpool, Institute of Infection, Veterinary & Ecological Sciences Faculty of Health and Life Sciences, Liverpool, United Kingdom, (4)Swedish Museum of Natural History, Department of Zoology,, Stockholm, Sweden
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