NOAA FISHERIES

Review of 2019 ocean salmon fisheries: Stock assessment and fishery evaluation document for the Pacific Coast Salmon Fishery Management Plan Pacific Fishery Management Council (Salmon Technical Team) Pacific Fishery Management Council, Portland, Oregon. 337 p.

Preseason report I: Stock abundance analysis and environmental assessment Part 1 for 2020 ocean salmon fishery regulations Pacific Fishery Management Council (Salmon Technical Team) Pacific Fishery Management Council, Portland, Oregon. 134 p.

Preseason report II: Proposed alternatives and environmental assessment Part 2 for 2020 ocean salmon fishery regulations Pacific Fishery Management Council (Salmon Technical Team) Pacific Fishery Management Council, Portland, Oregon. 85 p.

Preseason report III: Council adopted management measures and environmental assessment Part 3 for 2020 ocean salmon fishery regulations Pacific Fishery Management Council (Salmon Technical Team) Pacific Fishery Management Council, Portland, Oregon. 51 p.

The genetic legacy of extreme exploitation in a polar vertebrate Paijmans, Anneke J., Martin A. Stoffel, Marthan N. Bester, Alison C. Cleary, P.J. Nico De Bruyn, Jaume Forcada, Michael E. Goebel, Simon D. Goldsworthy, Christophe Guinet, Christian Lydersen, Kit M. Kovacs, Andrew Lowther, and Joseph I. Hoffman Scientific Reports 10:5089 (12 p.)

Community engagement: An integral component of a multifaceted conservation approach for the transboundary Western Pacific leatherback Pakiding, Fitryanti, Kartika Zohar, Alberto Y.T. Allo, Sinus Keroman, Deasy Lontoh, Peter H. Dutton, and Manjula Tiwari Frontiers in Marine Science 7:549570 (7 p.)

Infestation dynamics betwen parasitic Antarctic fish leeches (Piscicolidae) and their crocodile icefish hosts (Channichthyidae) Parker, Elyse, Christopher D. Jones, Patricio M. Arana, Nicolas A. Alegria, Roberto Sarralde, Francisco Gallardo, Anna J. Phillips, Bronwyn W. Williams, and Alex Dornburg Polar Biology 43:665-677

Odors from marine plastic debris elicit foraging behavior in sea turtles Pfaller, Joseph B., Kayla M. Goforth, Michael A. Gil, Matthew S. Savoca, and Kenneth J. Lohmann Current Biology 30(5):R213-R214

A water mass classification approach to tracking variability in the East Australian Current Phillips, Lachlan R., Gemma Carroll, Ian Jonsen, Robert Harcourt, and Moninya Roughan Frontiers in Marine Science 7:365 (10 p.)

Decoding collective communications using information theory tools Pilkiewicz, K.R., B.H. Lemasson, M.A. Rowland, A. Hein, J. Sun, A. Berdahl, M.L. Mayo, J. Moehlis, M. Porfiri, E. Fernandez-Juricic, S. Garnier, E.M. Bollt, J.M. Carlson, M.R. Tarampi, K.L. Macuga, L. Rossi, and C.-C. Shen Journal of the Royal Society Interface 17(164):20190563 (16 p.)

Diet and recruitment of green turtles in Fiji, South Pacific, inferred from in-water capture and stable isotope analysis Piovano, Susanna, Garrett E. Lemons, Ana Ciriyawa, Aisake Batibasaga, and Jeffrey A. Seminoff Marine Ecology Progress Series 640:201-213

Glacier retreat and Pacific salmon Pitman, Kara J., Jonathan W. Moore, Matthew R. Sloat, Anne H. Beaudreau, Allison L. Bidlack, Richard E. Brenner, Eran W. Hood, George R. Pess, Nathan J. Mantua, Alexander M. Milner, Valentina Radic, Gordon H. Reeves, Daniel E. Schindler, and Diane C. Whited BioScience 70(3):220-236

Skin in the game: Epidermal molt as a driver of long-distance migration in whales Pitman, Robert L., John W. Durban, Trevor Joyce, Holly Fearnbach, Simone Panigada, and Giancarlo Lauriano Marine Mammal Science 36(2):565-594

Enigmatic megafauna: type D killer whale in the Southern Ocean Pitman, Robert L., Lisa T. Ballance, Mariano Sironi, John Totterdell, Jared R. Towers, and Rebecca Wellard Ecology 101(1):e02871 (4 p.)

Managing bigeye tuna in the Western and Central Pacific Ocean Post, Valerie, and Dale Squires Frontiers in Marine Science 7:619 (8 p.)

Spiral valve parasites of blue and common thresher sharks as indicators of shark feeding behaviour and ecology Preti, Antonella, Ken MacKenzie, Kate A. Spivey, Leslie R. Noble, Catherine S. Jones, Ralph G. Appy, and Graham J. Pierce Journal of Fish Biology 97(2):354-361

Paired estimates of metabolic rate and gill surface area in the horn shark (Heterodontus francisci) [abstract] Prinzing, T.S., B.S. Bigman, Z. Skelton, N.C. Wegner, and N.K. Dulvy Integrative and Comparative Biology 60(supp.1):E190

Evaluating management strategies for marine mammal populations: an example for multiple species and multiple fishing sectors in Iceland Punt, Andre E., Margaret Siple, Gudjon Mar Sigurdsson, Gisli Vikingsson, Tessa B. Francis, Sandra M. Granquist, Philip S. Hammond, Dennis Heinemann, Kristy J. Long, Jeffrey E. Moore, Maritza Sepulveda, Randall R. Reeves, Paul R. Wade, Rob Williams, and Alexandre N. Zerbini Canadian Journal of Fisheries and Aquatic Sciences 77(8):1316-1331

Robustness of potential biological removal to monitoring, environmental, and management uncertainties Punt, Andre E., Margaret Siple, Tessa B. Francis, Phillip S. Hammond, Dennis Heinemann, Kristy J. Long, Jeffrey E. Moore, Maritza Sepulveda, Randall R. Reeves, Gudjon Mar Sigurdsson, Gisli Vikingsson, Paul R. Wade, Rob Williams, and Alexandre N. Zerbini ICES Journal of Marine Science 77(7-8):2491-2507

Plasma biochemistry profiles of juvenile green turtles (Chelonia mydas) from the Bahamas with a potential influence of diet Putillo, Alexa R., Mark Flint, Jeffrey A. Seminoff, Robert G.M. Spencer, and Mariana M.P.B. Fuentes Journal of Wildlife Diseases 56(4):768-780

The multiple population genetic and demographic routes to islands of genomic divergence Quilodran, Claudio S., Kristen Ruegg, Ashley T. Sendell-Price, Eric C. Anderson, Tim Coulson, and Sonya M. Clegg Methods in Ecology and Evolution 11(1):6-21

Mark recapture distance sampling: using acoustics to estimate the fraction of dolphins missed by observers during shipboard line-transect surveys Rankin, Shannon, Cornelia Oedekoven, and Frederick Archer Environmental and Ecological Statistics 27:233-251

Effects of variability in ship traffic and whale distributions on the risk of ships striking whales Redfern, Jessica V., Elizabeth A. Becker, and Thomas J. Moore Frontiers in Marine Science 6:793 (14 p.)

Edward Dick Mitchell Jr., 1939-2019 [obituary] Reeves, Randall R., Jeffrey M. Breiwick, Robert L. Brownell Jr., and R. Ewan Fordyce Marine Mammal Science 36(2):733-737

Restoration-mediated secondary contact leads to introgression of alewife ecotypes separated by a colonial-era dam Reid, Kerry, John Carlos Garza, Steven R. Gephard, Adalgisa Caccone, David M. Post, and Eric P. Palkovacs Evolutionary Applications 13(4):652-664

Demographic and maturity patterns of Antarctic krill (Euphausia superba) in an overwintering hotspot Reiss, Christian S., Jefferson T. Hinke, and George M. Watters Polar Biology 43(9):1233-1245

Effects of sphere suspension on echosounder calibrations Renfree, Josiah S., Lars N. Andersen, Gavin Macaulay, Thomas S. Sessions, and David A. Demer ICES Journal of Marine Science 77(7-8):2945-2953

Honoring the legacy of Peter C.H. Pritchard [obituary] Rhodin, Anders G.J., Jeffrey A. Seminoff, Russell A. Mittermeier, and Eric V. Goode Chelonian Conservation and Biology 19(1):1-3

Climate-driven variability in Euphausia pacifica size distributions off northern California Robertson, Roxanne R., and Eric P. Bjorkstedt Progress in Oceanography 188:102412 (19 p.)

Hidden similarities in the dynamics of a weakly synchronous marine metapopulation Rogers, Tanya L., and Stephan B. Munch Proceedings of the National Academy of Sciences of the United States of America 117(1):479-485

Trophic control changes with season and nutrient loading in lakes Rogers, Tanya L., Stephan B. Munch, Simon D. Stewart, Eric P. Palkovacs, Alfredo Giron-Nava, Shin-ichiro S. Matsuzaki, and Celia C. Symons Ecology Letters 23(8):1287-1297

Survey report for vaquita photographic identification research 2019 Rojas-Bracho, Lorenzo, Barbara L. Taylor, Armando Jaramillo-Legorreta, Paula Olson, Diego Ruiz, Eva Hidalgo, Tim Gerrodette, and Annette Henry IUCN SSC Cetacean Specialist Group (30 p.). URL: https://iucn-csg.org/wp-content/uploads/2020/03/2020-Vaquita-Field-Report.pdf

The retrospective analysis of Antarctic tracking data project Ropert-Coudert, Yan, Anton P. Van de Putte, Ryan R. Reisinger, Horst Bornemann, Jean-Benoit Charrassin, Daniel P. Costa, Bruno Danis, Luis A. Huckstadt, Ian D. Jonsen, Mary-Anne Lea, David Thompson, Leigh G. Torres, Philip N. Trathan, Simon Wotherspoon, David G. Ainley, Rachael Alderman, Virginia Andrews-Goff, Ben Arthur, Grant Ballard, John Bengtson, Marthan N. Bester, Arnoldus Schytte Blix, Lars Boehme, Charles-Andre Bost, Peter Boveng, Jaimie Cleeland, Rochelle Constantine, Robert J.M. Crawford, Luciano Dalla Rosa, P.J. Nico de Bruyn, Karine Delord, Sebastien Descamps, Mike Double, Louise Emmerson, Mike Fedak, Ari Friedlaender, Nick Gales, Mike Goebel, Kimberly T. Goetz, Christophe Guinet, Simon D. Goldsworthy, Rob Harcourt, Jefferson T. Hinke, Kerstin Jerosch, Akiko Kato, Knowles R. Kerry, Roger Kirkwood, Gerald L. Kooyman, Kit M. Kovacs, Kieran Lawton, Andrew D. Lowther, Christian Lydersen, Phil O'B. Lyver, Azwianewi B. Makhado, Maria E.I. Marquez, Birgitte I. McDonald, Clive R. McMahon, Monica Muelbert, Dominik Nachtsheim, Keith W. Nicholls, Erling S. Nordoy, Silvia Olmastroni, Richard A. Phillips, Pierre Pistorius, Joachim Plotz, Klemens Putz, Norman Ratcliffe, Peter G. Ryan, Mercedes Santos, Colin Southwell, Iain Staniland, Akinori Takahashi, Arnaud Tarroux, Wayne Trivelpiece, Ewan Wakefield, Henri Weimerskirch, Barbara Wienecke, Jose C. Xavier, Ben Raymond, and Mark A. Hindell Scientific Data 7:94 (11 p.)

Demographic history shaped geographical patterns of deleterious mutation load in a broadly distributed Pacific Salmon Rougemont, Quentin, Jean-Sebastien Moore, Thibault Leroy, Eric Normandeau, Ruth E. Withler, Donald M. Van Doornik, Penelope A. Crane, Kerry A. Naish, John Carlos Garza, Terry D. Beacham, Ben F. Koop, and Louis Bernatchez PLoS Genetics 16(8):e1008348 (29 p.)

Humpback whale song occurrence reflects ecosystem variability in feeding and migratory habitat of the northeast Pacific Ryan, John P., Danelle E. Cline, John E. Joseph, Tetyana Margolina, Jarrod A. Santora, Raphael M. Kudela, Francisco P. Chavez, J. Timothy Pennington, Christopher Wahl, Reiko Michisaki, Kelly Benoit-Bird, Karin A. Forney, Alison K. Stimpert, Andrew DeVogelaere, Nancy Black, and Mark Fischer PLoS ONE 14(9):e0222456 (24 p.)

California Current seascape influences juvenile salmon foraging ecology at multiple scales Sabal, Megan C., Elliott L. Hazen, Steven J. Bograd, R. Bruce MacFarlane, Isaac D. Schroeder, Sean A. Hayes, Jeffrey A. Harding, Kylie L. Scales, Peter I. Miller, Arnold J. Ammann, and Brian K. Wells Marine Ecology Progress Series 634:159-173

Valuable but vulnerable: Over-fishing and under-management continue to threaten groupers so what now? Sadovy de Mitcheson, Yvonne J., Christi Linardich, Joao Pedro Barreiros, Gina M. Ralph, Alfonso Aguilar-Perera, Pedro Afonso, Brad E. Erisman, David A. Pollard, Sean T. Fennessy, Athila A. Bertoncini, Rekha J. Nair, Kevin L. Rhodes, Patrice Francour, Thierry Brule, Melita A. Samoilys, Beatrice P. Ferreira, and Matthew T. Craig Marine Policy 116:103909 (10 p.)

Movements of loggerhead sea turtles (Caretta caretta) in the Gulf of California: integrating satellite telemetry and remotely sensed environmental variables Sandoval-Lugo, Alejandra G., T. Leticia Espinosa-Carreon, Jeffrey A. Seminoff, Catherine E. Hart, Cesar P. Ley-Quinonez, A. Alonso Aguirre, T. Todd Jones, and Alan A. Zavala-Norzagaray Journal of the Marine Biological Association of the United Kingdom 100(5):817-824

Lower river survival of juvenile steelhead in the Sacramento River watershed Sandstrom, Philip Thomas, Arnold J. Ammann, Cyril Michel, Gabriel Singer, Eric D. Chapman, Robert Bruce MacFarlane, Steven T. Lindley, and Abbott Peter Klimley Environmental Biology of Fishes 103:531-541

Geographic structuring of Antarctic penguin populations Santora, Jarrod A., Michelle A. LaRue, and David G. Ainley Global Ecology and Biogeography 29(10):1716-1728

Habitat compression and ecosystem shifts as potential links between marine heatwave and record whale entanglements Santora, Jarrod A., Nathan J. Mantua, Isaac D. Schroeder, John C. Field, Elliott L. Hazen, Steven J. Bograd, William J. Sydeman, Brian K. Wells, John Calambokidis, Lauren Saez, Dan Lawson, and Karin A. Forney Nature Communications 11:536 (12 p.)

Ecological thresholds in forecast performance for key United States West Coast Chinook salmon stocks Satterthwaite, William H., Kelly S. Andrews, Brian J. Burke, Jennifer L. Gosselin, Correigh M. Greene, Chris J. Harvey, Stuart H. Munsch, Michael R. O'Farrell, Jameal F. Samhouri, and Kathryn L. Sobocinski ICES Journal of Marine Science 77(4):1503-1515

Comprehensive bycatch assessment in US fisheries for prioritizing management Savoca, Matthew S., Stephanie Brodie, Heather Welch, Aimee Hoover, Lee R. Benaka, Steven J. Bograd, and Elliott L. Hazen Nature Sustainability 3:472-480

Developing and evaluating methods to determine abundance and trends of Northwest Atlantic loggerhead turtles Schroeder, Barbara A., Alan B. Bolten, Robert F. Hardy, Jennifer L. Keene, William L. Kendall, Ann Marie Lauritsen, Trent L. McDonald, Christopher R. Sasso, and Jeffrey A. Seminoff U.S. Department of Commerce, NOAA Technical Memorandum NMFS-OPR-67. 28 p.

Coupled changes in biomass and distribution drive trends in availability of fish stocks to US West Coast ports Selden, Rebecca L., James T. Thorson, Jameal F. Samhouri, Steven J. Bograd, Stephanie Brodie, Gemma Carroll, Melissa S. Haltuch, Elliott L. Hazen, Kirstin K. Holsman, Malin L. Pinsky, Nick Tolimieri, and Ellen Willis-Norton ICES Journal of Marine Science 77(1):188-199

Stable isotope analyses of sea turtles: a review of three recent global reviews and data assessments Seminoff, Jeffrey A., and Andrea D. Phillott Indian Ocean Turtle Newsletter 31:27-29

No rest for the weary: restricted resting behaviour of green turtles (Chelonia mydas) at a deep-neritic foraging area influences expression of life history traits Seminoff, Jeffrey A., Elizabeth R. Whitman, Bryan P. Wallace, Ali Bayless, Antonio Resendiz, and T. Todd Jones Journal of Natural History 54(45-46):2979-3001

The genomic landscape of divergence across the speciation continuum in island-colonising silvereyes (Zosterops lateralis) Sendell-Price, Ashley T., Kristen C. Ruegg, Eric C. Anderson, Claudio S. Quilogran, Benjamin M. Van Doren, Vinh L. Underwood, Tim Coulson, and Sonya M. Clegg G3: Genes, Genomes, Genetics 10(9):3147-3163

Passive acoustic survey of deep-diving odontocetes in the California Current ecosystem 2018: final report Simonis, Anne E., Jennifer S. Trickey, Jay Barlow, Shannong Rankin, Jorge Urban, Lorenzo Rojas-Bracho, and Jeffrey E. Moore U.S. Department of Commerce, NOAA Technical Memorandum NMFS-SWFSC-630. 48 p.

Seal bomb noise as a potential threat to Monterey Bay harbor porpoise Simonis, Anne E., Karin A. Forney, Shannon Rankin, John Ryan, Yanwu Zhang, Andrew DeVogelaere, John Joseph, Tetyana Margolina, Anna Krumpel, and Simone Baumann-Pickering Frontiers in Marine Science 7:142 (9 p.)

Co-occurrence of beaked whale strandings and naval sonar in the Mariana Islands, Western Pacific Simonis, Anne E., Robert L. Brownell Jr., Bruce J. Thayre, Jennifer S. Trickey, Erin M. Olseson, Roderick Huntington, and Simone Baumann-Pickering Proceedings of the Royal Society B 287(1921):20200070 (10 p.)

Historic drought influences outmigration dynamics of juvenile fall and spring-run Chinook Salmon Singer, Gabriel P., Eric D. Chapman, Arnold J. Ammann, A. Peter Klimley, Andrew L. Rypel, Nann A. Fangue Environmental Biology of Fishes 103(5):543-559

Comparison of temperature preference and Q10 between two juvenile shark species [abstract] Skelton, Z.R., N.C. Wegner, T.S. Prinzing, and P.A. Hastings Integrative and Comparative Biology 60(supp.1):e419

Lost opportunity: Quantifying the dynamic economic impact of time-area fishery closures Smith, James A., Desiree Tommasi, Jonathan Sweeney, Stephanie Brodie, Heather Welch, Elliott L. Hazen, Barbara Muhling, Steven M. Stohs, and Michael G. Jacox Journal of Applied Ecology 57(3):502-513

Quantifying ship strike risk to breeding whales in a multiple-use marine park: the Great Barrier Reef Smith, Joshua N., Natalie Kelly, Simon Childerhouse, Jessica V. Redfern, Thomas J. Moore, and David Peel Frontiers in Marine Science 7:67 (15 p.)

2020 highly migratory species annual report Southwest Fisheries Science Center U.S. Department of Commerce, NOAA Southwest Fisheries Science Center, Administrative Report LJ-21-01. 31 p.

Measuring health conditions and behaviours in fishing industry participants and fishing communities using the Behavioral Risk Factor Surveillance Survey (BRFSS) Speir, Cameron, Corey Ridings, Jennifer Marcum, Michael Drexler, and Karma Norman ICES Journal of Marine Science 77(5):1830-1840

A multi-scale model-based inquiry into ecological data for watershed management applications Sridharan, Vamsi Krishna In: Rosanna La Plante and John J. Ramirez-Avila (eds.), Watershed Management Conference 2020: A clear vision of watershed management, p. 151-161. American Society of Civil Engineers.

Turtles and tortoises are in trouble Stanford, Craig B., John B. Iverson, Anders G.J. Rhodin, Peter Paul van Dijk, Russell A. Mittermeier, Gerald Kuchling, Kristin H. Berry, Alberto Bertolero, Karen A. Bjorndal, Torsten E.G. Blanck, Kurt A. Buhlmann, Russell L. Burke, Justin D. Congdon, Tomas Diagne, Taylor Edwards, Carla C. Eisemberg, Josh R. Ennen, German Forero-Medina, Matt Frankel, Uwe Fritz, Natalia Gallego-Garcia, Arthur Georges, J. Whitfield Gibbons, Shiping Gong, Eric V. Goode, Haitao T. Shi, Ha Hoang, Margaretha D. Hofmeyr, Brian D. Horne, Rick Hudson, James O. Juvik, Ross A. Kiester, Patricia Koval, Minh Le, Peter V. Lindeman, Jeffrey E. Lovich, Luca Luiselli, Timothy E.M. McCormack, George A. Meyer, Vivian P. Paez, Kalyar Platt, Steven G. Platt, Peter C.H. Pritchard, Hugh R. Quinn, Willem M. Roosenburg, Jeffrey A. Seminoff, H. Bradley Shaffer, Ricky Spencer, James U. Van Dyke, Richard C. Vogt, and Andrew D. Walde Current Biology 30(12):R721-R735

Resolving selenium exposure risk: Spatial, temporal, and tissue-specific variability of an endemic fish in a large, dynamic estuary Stewart, A. Robin, Frederick Feyrer, and Rachel C. Johnson Science of the Total Environment 707:135919 (13 p.)

Distribution, biomass, and demography of coastal pelagic fishes in the California Current Ecosystem during summer 2019 based on acoustic-trawl sampling Stierhoff, Kevin L., Juan P. Zwolinski, and David A. Demer U.S. Department of Commerce, NOAA Technical Memorandum NMFS-SWFSC-626. 80 p.

Report on the Summer 2019 California Current Ecosystem Survey (1907RL), 13 June to 9 September 2019, conducted aboard NOAA Ship Reuben Lasker, fishing vessels Lisa Marie and Long Beach Carnage, and three unmanned sailboats Stierhoff, Kevin L., Juan P. Zwolinski, Josiah S. Renfree, Gabriel E. Johnson, Scott A. Mau, David W. Murfin, Thomas S. Sessions, and David A. Demer U.S. Department of Commerce, NOAA Technical Memorandum NMFS-SWFSC-625. 47 p.

Transcriptomic response to decreased pH in adult, larval and juvenile red king crab, Paralithodes camtschaticus, and interactive effects of pH and temperature on juveniles Stillman, Jonathon H., Scott A. Fay, Syed M. Ahmad, Katherine M. Swiney, and Robert J. Foy Journal of the Marine Biological Association of the United Kingdom 100(2):251-265

Comparing predictions of fisheries bycatch using multiple spatiotemporal species distribution model frameworks Stock, Brian C., Eric J. Ward, Tomoharu Eguchi, Jason E. Jannot, James T. Thorson, Blake E. Feist, and Brice X. Semmens Canadian Journal of Fisheries and Aquatic Sciences 77(1):146-163

Trends and decadal oscillations of oxygen and nutrients at 50 to 300 m depth in the equatorial and North Pacific Stramma, Lothar, Sunke Schmidtko, Steven J. Bograd, Tsuneo Ono, Tetjana Ross, Daisuke Sasano, and Frank A. Whitney Biogeosciences 17:813-831

Unnatural selection of salmon life histories in a modified riverscape Sturrock, Anna M., Stephanie M. Carlson, John D. Wikert, Tim Heyne, Sebastien Nussle, Joseph E. Merz, Hugh J.W. Sturrock, and Rachel C. Johnson Global Change Biology 26(3):1235-1247

Automated detection, tracking, and counting of gray whales Sullivan, Kevin, Mark Fennell, Wayne Perryman, and David Weller In: Proceedings of SPIE 11409, Thermosense: Thermal Infrared Applications XLII: 1140906 (15 p.)

Errors associated with compound-specific d15N analysis of amino acids in preserved fish samples purified by high-pressure liquid chromatography Swalethorp, Rasmus, Lihini Aluwihare, Andrew R. Thompson, Mark D. Ohman, and Michael R. Landry Limnology and Oceanography Methods 18(6):259-270

Ontogenetic patterns in the calcification and element incorporation in fin rays of age-0 White Sturgeon Sweeney, Jamie K., Malte Willmes, Kirsten Sellheim, Levi S. Lewis, James A. Hobbs, Nann A. Fangue, and Joseph E. Merz Environmental Biology of Fishes 103(11):1401-1418

The final Southwest Fisheries Science Center 2020 billfish newsletter: research, news, tagging, photos SWFSC Cooperative Billfish Tagging Program U.S. Department of Commerce, NOAA Southwest Fisheries Science Center. 27 p.

Timing is everything: Drivers of interannual variability in blue whale migration Szesciorka, Angela R., Lisa T. Ballance, Ana Sirovic, Ally Rice, Mark D. Ohman, John A. Hildebrand, and Peter J.S. Franks Scientific Reports 10:7710 (9 p.)

Integrated hydrologic modeling to untangle the impacts of water management during drought Thatch, Lauren M., James M. Gilbert, and Reed M. Maxwell Groundwater 58(3):377-391

A complex phenotype in salmon controlled by a simple change in migratory timing Thompson, Neil F., Eric C. Anderson, Anthony J. Clemento, Matthew A. Campbell, Devon E. Pearse, James W. Hearsey, Andrew P. Kinziger, and John Carlos Garza Science 370(6516):609-613

Dynamic spawning patterns in the California market squid (Doryteuthis opalescens) inferred through paralarval observation in the Southern California Bight, 2012-2019 Van Noord, Joel E. Marine Ecology 41(4):e12598 (14 p.)

Estimating habitat capacity for spring-run Chinook salmon and steelhead in the North Fork Feather River Watershed Volk, Carol, David A. Boughton, and Lee R. Harrison U.S. Department of Commerce, NOAA Technical Memorandum NMFS-SWFSC-633. 56 p.

Field surveying of marine recreational fisheries in Norway using a novel spatial sampling frame reveals striking under-coverage of alternative sampling frames Volstad, Jon Helge, Mary Christman, Keno Ferter, Alf Ring Kleiven, Hakon Ottera, Oystein Aas, Robert Arlinghaus, Trude Borch, Jonathan Colman, Bruce Hartill, Thrond O. Haugen, Kieran Hyder, Jeremy M. Lyle, Martin Junker Ohldieck, Christian Skov, Harry V. Strehlow, Dave van Voorhees, Marc Simon Weltersbach, and Edward D. Weber ICES Journal of Marine Science 77(6):2192-2205

Unusual occurrences of fishes in the Southern California Current System during the warm water period of 2014-2018 Walker, H.J. Jr., Philip A. Hastings, John R. Hyde, Robert N. Lea, Owyn E. Snodgrass, and Lyall F. Bellquist Estuarine, Coastal and Shelf Science 236:106634 (10 p.)

Lipid content and stable isotopes of zooplankton during five winters around the northern Antarctic Peninsula Walsh, Jennifer, and Christian Reiss Scientific Data 7:380 (6 p.)

Flexibility in Antarctic krill Euphausia superba decouples diet and recruitment from overwinter sea-ice conditions in the northern Antarctic Peninsula Walsh, Jennifer, Christian S. Reiss, and George M. Watters Marine Ecology Progress Series 642:1-19

Southern Ocean isoscapes derived from a wide-ranging circumpolar marine predator, the Antarctic fur seal Walters, Andrea, Mark Hindell, Michael E. Goebel, Marthan N. Bester, Philip N. Trathan, W. Chris Oosthuizen, and Mary-Anne Lea Ecological Indicators 118:106694

Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator-prey interaction lead to erroneous conclusions about precaution Watters, George M., Jefferson T. Hinke, and Christian S. Reiss Scientific Reports 10:2314 (9 p.)

Considerations for transferring an operational dynamic ocean management tool between ocean color products Welch, H., S. Brodie, M.G. Jacox, D. Robinson, C. Wilson, S.J. Bograd, M.J. Oliver, and E.L. Hazen Remote Sensing of the Environment 242:111753 (9 p.)

Decision-support tools for dynamic management Welch, Heather, Stephanie Brodie, Michael G. Jacox, Steven J. Bograd, and Elliott L. Hazen Conservation Biology 34(3):589-599

Cold call: the acoustic repertoire of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica Wellard, Rebecca, Robert L. Pitman, John Durban, and Christine Erbe Royal Society Open Science 7:191228 (16 p.)

Implementing ecosystem-based management principles in the design of a salmon ocean ecology program Wells, Brian K., David D. Huff, Brian J. Burke, Richard D. Brodeur, Jarrod A. Santora, John C. Field, Kate Richerson, Nathan J. Mantua, Kurt L. Fresh, Michelle M. McClure, William H. Satterthwaite, Forbes Darby, Su J. Kim, Richard W. Zabel, and Steven T. Lindley Frontiers in Marine Science 7:342 (24 p.)

Natal origin of Pacific bluefin tuna from the California Current Large Marine Ecosystem Wells, R.J. David, John A. Mohan, Heidi Dewar, Jay R. Rooker, Yosuke Tanaka, Owyn E. Snodgrass, Suzanne Kohin, Nathan R. Miller, and Seiji Ohshimo Biology Letters 16:20190878 (5 p.)

Evaluating the long-term trend and management of a globally important loggerhead population nesting on Masirah Island, Sultanate of Oman Willson, Andrew, Blair Witherington, Robert Baldwin, Manjula Tiwari, Thuraya Al Sariri, Ali Al Kiyumi, Suaad Al Harthi, Maia Sarrouf Willson, Asma Al Bulushi, Ghasi Al Farsi, Juma Al Humaidy, Juma Al Araimi, Lamees A. Daar, Barbara Schroeder, James Perran Ross, and Earl Possardt Frontiers in Marine Science 7:666 (19 p.)

ERDDAP: Providing easy access to remote sensing data for scientists and students Wilson, Cara, Dale Robinson, and Robert A. Simons In: 2020 IEEE International Geoscience and Remote Sensing Symposium, proceedings (September 26 - October 2, 2020), p. 3207-3210. IEEE (Institute of Electrical and Electronics Engineers).

Overcoming barriers to the use of satellite data in fisheries management Wilson, Cara, Dale Robinson, and S. Kalei Shotwell In: 2020 IEEE International Geoscience and Remote Sensing Symposium, proceedings (September 26 - October 2, 2020), p. 3302-3305. IEEE (Institute of Electrical and Electronics Engineers).

Marine ecosystem variations over the North Pacific and their linkage to large-scale climate variability and change Yati, Emi, Shoshiro Minobe, Nathan Mantua, Shin-ichi Ito, and Emanuele Di Lorenzo Frontiers in Marine Science 7:578165 (15 p.)

Range-extending tropical herbivores increase diversity, intensity and extent of herbivory functions in temperate marine ecosystems Zarco-Perello, Salvador, Gemma Carroll, Mat Vanderklift, Thomas Holmes, Tim J. Langlois, and Thomas Wernberg Functional Ecology 34(11):2411-2421

Effect of release timing on apparent survival of juvenile fall run Chinook Salmon from Coleman National Fish Hatchery Zeug, Steven C., Robert Null, Annie Brodsky, Myfanwy Johnston, and Arnold J. Ammann Environmental Biology of Fishes 103(5):411-423

Linkage of the physical environments in the northern Antarctic Peninsula region to the Southern Annular Mode and the implications for the phytoplankton production Zhang, Zhaoru, Eileen E. Hofmann, Michael S. Dinniman, Christian Reiss, Walker O. Smith Jr., and Meng Zhou Progress in Oceanography 188:102416 (16 p.)

Anadromy redux? Genetic analysis to inform development of an indigenous American River steelhead broodstock Abadia-Cardoso, Alicia, Annie Brodsky, Bradley Cavallo, Martha Arciniega, John Carlos Garza, John Hannon, and Devon E. Pearse Journal of Fish and Wildlife Management 10(1):137-147

Memory and resource tracking drive blue whale migrations Abrahms, Briana, Elliott L. Hazen, Ellen O. Aikens, Matthew S. Savoca, Jeremy A. Goldbogen, Steven J. Bograd, Michael G. Jacox, Ladd M. Irvine, Daniel M. Palacios, and Bruce R. Mate Proceedings of the National Academy of Sciences of the United States of America 116(12):5582-5587

Dynamic ensemble models to predict distributions and anthropogenic risk exposure for highly mobile species Abrahms, Briana, Heather Welch, Stephanie Brodie, Michael G. Jacox, Elizabeth A. Becker, Steven J. Bograd, Ladd M. Irvine, Daniel M. Palacios, Bruce R. Mate, and Elliott L. Hazen Diversity and Distributions 25(8):1182-1193

Warm winters reduce landscape-scale variability in the duration of egg incubation for coho salmon (Oncorhynchus kisutch) on the Copper River Delta, Alaska Adelfio, Luca A., Steve M. Wondzell, Nathan J. Mantua, and Gordon H. Reeves Canadian Journal of Fisheries and Aquatic Sciences 76(8):1362-1375

Sea turtle tourism in Oman: Current status and future prospects Al Busaidi, Mariam, Shekar Bose, Michel Claereboudt, and Manjula Tiwari Tourism and Hospitality Research 19(3):321–336

Revision of fin whale Balaenoptera physalus (Linnaeus, 1758) subspecies using genetics Archer, Frederick I., Robert L. Brownell Jr., Brittany L. Hancock-Hanser, Phillip A. Morin, Kelly M. Robertson, Kathryn K. Sherman, John Calambokidis, Jorge Urban R., Patricia E. Rosel, Sally A. Mizroch, Simone Panigada, and Barbara L. Taylor Journal of Mammalogy 100(5):1653-1670

Diving behavior and fine-scale kinematics of free-ranging Risso's dolphins foraging in shallow and deep-water habitats Arranz, Patricia, Kelly J. Benoit-Bird, Ari S. Friedlaender, Elliott L. Hazen, Jeremy A. Goldbogen, Alison K. Stimpert, Stacy L. DeRuiter, John Calambokidis, Brandon L. Southall, Andreas Fahlman, and Peter L. Tyack Frontiers in Marine Science 7:53 (15 p.)