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1. Differentiating salmonid migratory ecotypes through stable isotope analysis of collagen: Archaeological and ecological applications.

Author

Eric Guiry, Thomas C A Royle, R G Matson, Hillary Ward, Tyler Weir, Nicholas Waber, Thomas J Brown, Brian P V Hunt, Michael H H Price, Bruce P Finney, Masahide Kaeriyama, Yuxue Qin, Dongya Y Yang, and Paul Szpak

Subjects
Medicine, Science
Abstract

The ability to distinguish between different migratory behaviours (e.g., anadromy and potamodromy) in fish can provide important insights into the ecology, evolution, and conservation of many aquatic species. We present a simple stable carbon isotope (δ13C) approach for distinguishing between sockeye (anadromous ocean migrants) and kokanee (potamodromous freshwater residents), two migratory ecotypes of Oncorhynchus nerka (Salmonidae) that is applicable throughout most of their range across coastal regions of the North Pacific Ocean. Analyses of kokanee (n = 239) and sockeye (n = 417) from 87 sites spanning the North Pacific (Russia to California) show that anadromous and potamodromous ecotypes are broadly distinguishable on the basis of the δ13C values of their scale and bone collagen. We present three case studies demonstrating how this approach can address questions in archaeology, archival, and conservation research. Relative to conventional methods for determining migratory status, which typically apply chemical analyses to otoliths or involve genetic analyses of tissues, the δ13C approach outlined here has the benefit of being non-lethal (when applied to scales), cost-effective, widely available commercially, and should be much more broadly accessible for addressing archaeological questions since the recovery of otoliths at archaeological sites is rare.

Published
2020
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9. WTO must ban harmful fisheries subsidies

Author

Gert van Santen, John M. Anderies, Donovan Campbell, Tyler D. Eddy, Omu Kakujaha-Matundu, Bryce D. Stewart, Marten Scheffer, Jessica Fanzo, Rowenna Gryba, F. Stuart Chapin, Denis Worlanyo Aheto, Katina Roumbedakis, Ibrahim Issifu, Gordon R. Munro, Shakuntala H. Thilsted, Ibukun Jacob Adewumi, Evgeny A. Pakhomov, Grant Murray, Jason F. Shogren, Unai Pascual, Satoshi Yamazaki, Margaret Spring, Carlos M. Duarte, Kathleen Segerson, U. Rashid Sumaila, Precious Agbeko Dzorgbe Mattah, Kyle Gillespie, Saleem Mustafa, Lan Xiao, Joshua Adotey, Frances Westley, Francis K. E. Nunoo, Frank Asche, Zuzy Anna, Boris Worm, D. R. Fraser Taylor, Diva J. Amon, Roshni S. Mangar, Cassandra M. Brooks, Frederik Noack, Brooks Kaiser, Nathan J. Bennett, William W. L. Cheung, Dwight Owens, S. Kim Juniper, Derek Armitage, Karly McMullen, Dawn Kotowicz, Enric Sala, Paul O. Onyango, Francis E. Asuquo, Kristin M. Kleisner, Monirul Islam, Juliano Palacios Abrantes, Tony Charles, Dana D. Miller, Sarah Harper, Louise S. L. Teh, Juan José Alava, Aurélien Paulmier, Jeremy B. C. Jackson, Santiago de la Puente, Colin W. Clark, Jennifer J. Silver, Robert Blasiak, Colette C. C. Wabnitz, Gretchen C. Daily, Lydia C. L. Teh, John A. List, Alessandro Tavoni, Philippe D. Tortell, Tabitha Mallory, Jaime Mendo, Amadou Tall, Essam Yassin Mohammed, Romola V. Thumbadoo, Kristen Hopewell, Rebecca R. Helm, Mauricio Castrejón, Elena M. Bennett, Jean-Baptiste Thiebot, Jorge Jimenez Ramon, Patrick Kimani, Gerald G. Singh, Kátia Meirelles Felizola Freire, Johannes A. Iitembu, Sara E. Cannon, Jorge Ramírez, Richard S.J. Tol, Evelyn Pinkerton, Andrew Forrest, Juan Camilo Cárdenas Campo, Sadique Isahaku, Dyhia Belhabib, Moenieba Isaacs, Laura G. Elsler, Alessandro Tagliabue, Tom Okey, Tessa Owens, Alex J. Caveen, José-María Da-Rocha, Isigi Kadagi, Hong Yang, Ekow Prah, Glenn-Marie Lange, Mary S. Wisz, Vicky W. L. Lam, Maartje Oostdijk, Daniel Pauly, Torsten Thiele, Michel J. Kaiser, Christina C. Hicks, Nancy C. Doubleday, Nicholas K. Dulvy, Line Gordon, Thomas L. Frölicher, Kwasi Appeaning Addo, Katherine Millage, Alfredo Giron-Nava, Heike K. Lotze, Lincoln Hood, Michelle Tigchelaar, Keita Abe, S. Karuaihe, Nancy Knowlton, Jessica A. Gephart, Noble K. Asare, Werner Antweiler, Christopher D. G. Harley, Kai M. A. Chan, Rodrigue Orobiyi Edéya Pèlèbè, Duncan Burnside, Sarah Glaser, Hussain Sinan, Garry D. Peterson, Olaf P. Jensen, Don Robadue, Mafaniso Hara, Sahir Advani, Andreea L. Cojocaru, Fiorenza Micheli, Gakushi Ishimura, Berchie Asiedu, Tu Nguyen, Mohammed Oyinlola, Lubna Alam, Maria A. Gasalla, Priscila F. M. Lopes, Mary Karumba, Austin J. Gallagher, Sufian Jusoh, Brian R. Copeland, Christopher M. Anderson, Alberta Jonah, Christopher D. Golden, Fabrice Stephenson, Douglas J. McCauley, Isaac Okyere, Jennifer Jacquet, Elke U. Weber, Benjamin S. Halpern, Olanike Kudirat Adeyemo, Neil Adger, Nina Wambiji, Kristina M. Gjerde, A. Eyiwunmi Falaye, Polina Orlov, Umi Muawanah, Trevor Church, Denise Breitburg, J. P. Walsh, Edward H. Allison, Cullen S. Hendrix, Curtis A. Suttle, Thuy Thi Thanh Pham, Cesar Bordehore, Michael Harte, Xavier Basurto, Carol McAusland, Rainer Froese, Adibi R. M. Nor, Anne-Sophie Crépin, Karen C. Seto, Abhipsita Das, Philippe Cury, Masahide Kaeriyama, Peter Freeman, Dacotah-Victoria Splichalova, Nobuyuki Yagi, Natalie C. Ban, Larry B. Crowder, Véronique Garçon, Amanda T. Lombard, Katie R. N. Florko, Nicolás Talloni-Álvarez, Riad Sultan, Lisa A. Levin, Mimi E. Lam, Evans K. Arizi, Richard T. Carson, Megan Bailey, Steven J. Lade, Zahidah Afrin, Dianne Newell, Shanta C. Barley, Colin Barnes, Villy Christensen, Dirk Zeller, Simon A. Levin, Kolliyil Sunil Mohamed, Marta Flotats Aviles, Jonathan D. R. Houghton, Daniel J. Skerritt, Karin E. Limburg, Meaghan Efford, Michael C. Melnychuk, Lanre Badmus, Sebastián Villasante, Carie Hoover, Evan Andrews, Daniel Peñalosa, Allison N. Cutting, Nathan Pacoureau, Melissa Walsh, Wisdom Akpalu, Kafayat Adetoun Fakoya, Ling Cao, Edward B. Barbier, Clare Fitzsimmons, Alex Rogers, Robert Arthur, Daniel Marszalec, Jean-Baptiste Jouffray, Carl Folke, Anna Schuhbauer, Mazlin Mokhtar, Juan Mayorga, Ingrid van Putten, S.L. Akintola, Stephen Polasky, Lance Morgan, Jesper Stage, Lucas Brotz, M. Selçuk Uzmanoğlu, Boris Dewitte, Ahmed Khan, Ernest Obeng Chuku, Veronica Relano, Nicholas Polunin, Griffin Carpenter, Virginie Bornarel, Max Troell, Bárbara Horta e Costa, Lian E. Kwong, Mairin C. M. Deith, Valérie Le Brenne, Dan Laffoley, Hugh Govan, Ronaldo Angelini, Juan Carlos Villaseñor-Derbez, Mark J. Gibbons, Ambre Soszynski, Ola Flaaten, Stella Williams, M. Nicole Chabi, S. R. Carpenter, Prateep Kumar Nayak, David Obura, Scott Barrett, Philippe Le Billon, Patrízia Raggi Abdallah, John J. Bohorquez, Adriana Rosa Carvalho, Andrés M. Cisneros-Montemayor, Paul R. Ehrlich, John Kurien, Juan Carlos Seijo, Dominique Benzaken, Brian Crawford, Callum M. Roberts, Gabriel Reygondeau, Xue Jin, Julia Adelsheim, Mohd Talib Latif, Annie Mejaes, Frank Meere, Jeffrey McLean, Jennifer Dianto Kemmerly, Henrik Österblom, Savior K. S. Deikumah, Tayler M. Clarke, Aart de Zeeuw, Frédéric Le Manach, Maria Grazia Pennino, Quentin A Hanich, David R. Boyd, Sumaila, U Rashid, Skerritt, Daniel J, Schuhbauer, Anna, Villasante, Sebastian, Cisneros-Montemayor, Andrés M, Sinan, Hussain, Burnside, Duncan, Abdallah, Patrízia Raggi, Abe, Keita, Addo, Kwasi A, Adelsheim, Julia, Adewumi, Ibukun J, Adeyemo, Olanike K, Adger, Neil, Adotey, Joshua, Advani, Sahir, Afrin, Zahidah, Aheto, Deni, Akintola, Shehu L, Akpalu, Wisdom, Alam, Lubna, Alava, Juan José, Allison, Edward H, Amon, Diva J, Anderies, John M, Anderson, Christopher M, Andrews, Evan, Angelini, Ronaldo, Anna, Zuzy, Antweiler, Werner, Arizi, Evans K, Armitage, Derek, Arthur, Robert I, Asare, Noble, Asche, Frank, Asiedu, Berchie, Asuquo, Franci, Badmus, Lanre, Bailey, Megan, Ban, Natalie, Barbier, Edward B, Barley, Shanta, Barnes, Colin, Barrett, Scott, Basurto, Xavier, Belhabib, Dyhia, Bennett, Elena, Bennett, Nathan J, Benzaken, Dominique, Blasiak, Robert, Bohorquez, John J, Bordehore, Cesar, Bornarel, Virginie, Boyd, David R, Breitburg, Denise, Brooks, Cassandra, Brotz, Luca, Campbell, Donovan, Cannon, Sara, Cao, Ling, Cardenas Campo, Juan C, Carpenter, Steve, Carpenter, Griffin, Carson, Richard T, Carvalho, Adriana R, Castrejón, Mauricio, Caveen, Alex J, Chabi, M Nicole, Chan, Kai M A, Chapin, F Stuart, Charles, Tony, Cheung, William, Christensen, Villy, Chuku, Ernest O, Church, Trevor, Clark, Colin, Clarke, Tayler M, Cojocaru, Andreea L, Copeland, Brian, Crawford, Brian, Crépin, Anne-Sophie, Crowder, Larry B, Cury, Philippe, Cutting, Allison N, Daily, Gretchen C, Da-Rocha, Jose Maria, Das, Abhipsita, de la Puente, Santiago, de Zeeuw, Aart, Deikumah, Savior K S, Deith, Mairin, Dewitte, Bori, Doubleday, Nancy, Duarte, Carlos M, Dulvy, Nicholas K, Eddy, Tyler, Efford, Meaghan, Ehrlich, Paul R, Elsler, Laura G, Fakoya, Kafayat A, Falaye, A Eyiwunmi, Fanzo, Jessica, Fitzsimmons, Clare, Flaaten, Ola, Florko, Katie R N, Aviles, Marta Flotat, Folke, Carl, Forrest, Andrew, Freeman, Peter, Freire, Kátia M F, Froese, Rainer, Frölicher, Thomas L, Gallagher, Austin, Garcon, Veronique, Gasalla, Maria A, Gephart, Jessica A, Gibbons, Mark, Gillespie, Kyle, Giron-Nava, Alfredo, Gjerde, Kristina, Glaser, Sarah, Golden, Christopher, Gordon, Line, Govan, Hugh, Gryba, Rowenna, Halpern, Benjamin S, Hanich, Quentin, Hara, Mafaniso, Harley, Christopher D G, Harper, Sarah, Harte, Michael, Helm, Rebecca, Hendrix, Cullen, Hicks, Christina C, Hood, Lincoln, Hoover, Carie, Hopewell, Kristen, Horta E Costa, Bárbara B, Houghton, Jonathan D R, Iitembu, Johannes A, Isaacs, Moenieba, Isahaku, Sadique, Ishimura, Gakushi, Islam, Monirul, Issifu, Ibrahim, Jackson, Jeremy, Jacquet, Jennifer, Jensen, Olaf P, Ramon, Jorge Jimenez, Jin, Xue, Jonah, Alberta, Jouffray, Jean-Baptiste, Juniper, S Kim, Jusoh, Sufian, Kadagi, Isigi, Kaeriyama, Masahide, Kaiser, Michel J, Kaiser, Brooks Alexandra, Kakujaha-Matundu, Omu, Karuaihe, Selma T, Karumba, Mary, Kemmerly, Jennifer D, Khan, Ahmed S, Kimani, Patrick, Kleisner, Kristin, Knowlton, Nancy, Kotowicz, Dawn, Kurien, John, Kwong, Lian E, Lade, Steven, Laffoley, Dan, Lam, Mimi E, Lam, Vicky W L, Lange, Glenn-Marie, Latif, Mohd T, Le Billon, Philippe, Le Brenne, Valérie, Le Manach, Frédéric, Levin, Simon A, Levin, Lisa, Limburg, Karin E, List, John, Lombard, Amanda T, Lopes, Priscila F M, Lotze, Heike K, Mallory, Tabitha G, Mangar, Roshni S, Marszalec, Daniel, Mattah, Preciou, Mayorga, Juan, McAusland, Carol, McCauley, Douglas J, McLean, Jeffrey, McMullen, Karly, Meere, Frank, Mejaes, Annie, Melnychuk, Michael, Mendo, Jaime, Micheli, Fiorenza, Millage, Katherine, Miller, Dana, Mohamed, Kolliyil Sunil, Mohammed, Essam, Mokhtar, Mazlin, Morgan, Lance, Muawanah, Umi, Munro, Gordon R, Murray, Grant, Mustafa, Saleem, Nayak, Prateep, Newell, Dianne, Nguyen, Tu, Noack, Frederik, Nor, Adibi M, Nunoo, Francis K E, Obura, David, Okey, Tom, Okyere, Isaac, Onyango, Paul, Oostdijk, Maartje, Orlov, Polina, Österblom, Henrik, Owens, Dwight, Owens, Tessa, Oyinlola, Mohammed, Pacoureau, Nathan, Pakhomov, Evgeny, Abrantes, Juliano Palacio, Pascual, Unai, Paulmier, Aurélien, Pauly, Daniel, Pèlèbè, Rodrigue Orobiyi Edéya, Peñalosa, Daniel, Pennino, Maria G, Peterson, Garry, Pham, Thuy T T, Pinkerton, Evelyn, Polasky, Stephen, Polunin, Nicholas V C, Prah, Ekow, Ramírez, Jorge, Relano, Veronica, Reygondeau, Gabriel, Robadue, Don, Roberts, Callum, Rogers, Alex, Roumbedakis, Katina, Sala, Enric, Scheffer, Marten, Segerson, Kathleen, Seijo, Juan Carlo, Seto, Karen C, Shogren, Jason F, Silver, Jennifer J, Singh, Gerald, Soszynski, Ambre, Splichalova, Dacotah-Victoria, Spring, Margaret, Stage, Jesper, Stephenson, Fabrice, Stewart, Bryce D, Sultan, Riad, Suttle, Curti, Tagliabue, Alessandro, Tall, Amadou, Talloni-Álvarez, Nicolá, Tavoni, Alessandro, Taylor, D R Fraser, Teh, Louise S L, Teh, Lydia C L, Thiebot, Jean-Baptiste, Thiele, Torsten, Thilsted, Shakuntala H, Thumbadoo, Romola V, Tigchelaar, Michelle, Tol, Richard S J, Tortell, Philippe, Troell, Max, Uzmanoğlu, M Selçuk, van Putten, Ingrid, van Santen, Gert, Villaseñor-Derbez, Juan Carlo, Wabnitz, Colette C C, Walsh, Melissa, Walsh, J P, Wambiji, Nina, Weber, Elke U, Westley, France, Williams, Stella, Wisz, Mary S, Worm, Bori, Xiao, Lan, Yagi, Nobuyuki, Yamazaki, Satoshi, Yang, Hong, and Zeller, Dirk

Subjects
0106 biological sciences, Aquatic Ecology and Water Quality Management, Multidisciplinary, WIMEK, 010504 meteorology & atmospheric sciences, Natural resource economics, 530 Physics, 010604 marine biology & hydrobiology, Subsidy, Aquatische Ecologie en Waterkwaliteitsbeheer, 01 natural sciences, WTO, fishery, subsidy, 13. Climate action, 550 Earth sciences & geology, SUBSÍDIOS, Life Science, 14. Life underwater, Business, 0105 earth and related environmental sciences
Abstract

Sustainably managed wild fisheries support food and nutritional security, livelihoods, and cultures (1). Harmful fisheries subsidies—government payments that incentivize overcapacity and lead to overfishing—undermine these benefits yet are increasing globally (2). World Trade Organization (WTO) members have a unique opportunity at their ministerial meeting in November to reach an agreement that eliminates harmful subsidies (3). We—a group of scientists spanning 46 countries and 6 continents—urge the WTO to make this commitment...

Published
2021
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10. Differentiating salmonid migratory ecotypes through stable isotope analysis of collagen: Archaeological and ecological applications

Author

Hillary G.M. Ward, Masahide Kaeriyama, Paul Szpak, Thomas J. Brown, Michael H. H. Price, Yuxue Qin, Dongya Y. Yang, Tyler Weir, Bruce P. Finney, Thomas C.A. Royle, Brian P. V. Hunt, Eric J. Guiry, R. G. Matson, and Nicholas Waber

Subjects
0106 biological sciences, Male, Range (biology), Social Sciences, Marine and Aquatic Sciences, Fresh Water, 01 natural sciences, Biochemistry, Otolith, Salmon, Medicine and Health Sciences, Marine Fish, Isotope analysis, Carbon Isotopes, Multidisciplinary, biology, Ecotype, Ecology, Eukaryota, Agriculture, Biodiversity, Geography, Archaeology, Vertebrates, Inner Ear, Oncorhynchus, Medicine, Female, Collagen, Anatomy, Salmonidae, Research Article, Freshwater Environments, Fish Proteins, Conservation of Natural Resources, Ecology (disciplines), Science, Animal Scales, Fisheries, Marine Biology, Research and Analysis Methods, 010603 evolutionary biology, Bone and Bones, Animals, DNA, Ancient, Chemical Characterization, Isotope Analysis, Fish migration, Pacific Ocean, 010604 marine biology & hydrobiology, Ecology and Environmental Sciences, Organisms, Biology and Life Sciences, Proteins, Aquatic Environments, Bodies of Water, biology.organism_classification, Lakes, Ancient DNA, Fish, Ears, Earth Sciences, Animal Migration, Collagens, Head
Abstract

The ability to distinguish between different migratory behaviours (e.g., anadromy and potamodromy) in fish can provide important insights into the ecology, evolution, and conservation of many aquatic species. We present a simple stable carbon isotope (δ13C) approach for distinguishing between sockeye (anadromous ocean migrants) and kokanee (potamodromous freshwater residents), two migratory ecotypes of Oncorhynchus nerka (Salmonidae) that is applicable throughout most of their range across coastal regions of the North Pacific Ocean. Analyses of kokanee (n = 239) and sockeye (n = 417) from 87 sites spanning the North Pacific (Russia to California) show that anadromous and potamodromous ecotypes are broadly distinguishable on the basis of the δ13C values of their scale and bone collagen. We present three case studies demonstrating how this approach can address questions in archaeology, archival, and conservation research. Relative to conventional methods for determining migratory status, which typically apply chemical analyses to otoliths or involve genetic analyses of tissues, the δ13C approach outlined here has the benefit of being non-lethal (when applied to scales), cost-effective, widely available commercially, and should be much more broadly accessible for addressing archaeological questions since the recovery of otoliths at archaeological sites is rare.

Published
2020

14. Foreword

Author

SHIGEHIKO URAWA, HITOSHI ARAKI, KAZUSHI MIYASHITA, MITSUHIRO NAGATA, YOSHITAKA SASAKI, and MASAHIDE KAERIYAMA

Subjects
Aquatic Science
Published
2018
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15. Recent Eutrophication and Environmental Changes in the Catchment Inferred from Geochemical Properties of Lake Onuma Sediments in Japan

Author

Masahide Kaeriyama, Taeko Itono, Koyo Yonebayashi, Masanori Okazaki, Tomoyo Suzuki, Masayoshi Yamamoto, Shinya Ochiai, Kenji Kashiwaya, Takashi Hasegawa, Yuxue Qin, and Seiya Nagao

Subjects
chemistry.chemical_classification, geography, geography.geographical_feature_category, δ13C, Drainage basin, Sediment, chemistry.chemical_element, δ15N, Plankton, Nitrogen, Oceanography, chemistry, Organic matter, Eutrophication, Geology
Abstract

This study investigated the continuous record of eutrophication in Lake Onuma based on the geochemical properties of two lake sediment cores obtained from the deepest part of the lake in 2011. Based on a tuff layer deposited during the eruption of Mt. Komagatake, and on the correlation between fluctuations in δ13C and δ15N values, two sediment cores, ON11-2-2 and ON11-6, were dated to the 1920s and 1890s, respectively. The δ13C value and C/N ratio for the lake sediments show values within the ranges for planktonic material and river sediment, suggesting that the lake sediment is a mixture of these sources and that their mixture ratio was almost constant since the 1920s. On the other hand, the δ15N of two cores show a similar trend with increasing δ15N from the 1950s–1960s to the present time. It is attributed to the increase in the δ15N value of planktonic material reflecting anthropogenic nitrogen inflow to the lake.

Published
2015
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