1
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Welch H, Savoca MS, Brodie S, Jacox MG, Muhling BA, Clay TA, Cimino MA, Benson SR, Block BA, Conners MG, Costa DP, Jordan FD, Leising AW, Mikles CS, Palacios DM, Shaffer SA, Thorne LH, Watson JT, Holser RR, Dewitt L, Bograd SJ, Hazen EL. Impacts of marine heatwaves on top predator distributions are variable but predictable. Nat Commun 2023; 14:5188. [PMID: 37669922 PMCID: PMC10480173 DOI: 10.1038/s41467-023-40849-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 08/11/2023] [Indexed: 09/07/2023] Open
Abstract
Marine heatwaves cause widespread environmental, biological, and socio-economic impacts, placing them at the forefront of 21st-century management challenges. However, heatwaves vary in intensity and evolution, and a paucity of information on how this variability impacts marine species limits our ability to proactively manage for these extreme events. Here, we model the effects of four recent heatwaves (2014, 2015, 2019, 2020) in the Northeastern Pacific on the distributions of 14 top predator species of ecological, cultural, and commercial importance. Predicted responses were highly variable across species and heatwaves, ranging from near total loss of habitat to a two-fold increase. Heatwaves rapidly altered political bio-geographies, with up to 10% of predicted habitat across all species shifting jurisdictions during individual heatwaves. The variability in predicted responses across species and heatwaves portends the need for novel management solutions that can rapidly respond to extreme climate events. As proof-of-concept, we developed an operational dynamic ocean management tool that predicts predator distributions and responses to extreme conditions in near real-time.
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Affiliation(s)
- Heather Welch
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA.
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA.
| | - Matthew S Savoca
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
| | - Stephanie Brodie
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
| | - Michael G Jacox
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
- NOAA, Physical Sciences Laboratory, Boulder, CO, USA
| | - Barbara A Muhling
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
- NOAA Southwest Fisheries Science Center, Fisheries Resources Division, San Diego, CA, USA
| | - Thomas A Clay
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
- People and Nature, Environmental Defense Fund, Monterey, CA, USA
| | - Megan A Cimino
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
| | - Scott R Benson
- NOAA, Southwest Fisheries Science Center, Marine Mammal and Turtle Division, Moss Landing, CA, USA
- Moss Landing Marine Laboratories, San Jose State University, Moss Landing, CA, USA
| | - Barbara A Block
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
| | - Melinda G Conners
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, USA
| | - Daniel P Costa
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
- Department of Ecology and Evolutionary Biology, UC Santa Cruz, Santa Cruz, CA, USA
| | - Fredrick D Jordan
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, USA
| | - Andrew W Leising
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
| | - Chloe S Mikles
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
| | - Daniel M Palacios
- Marine Mammal Institute, Oregon State University, Newport, OR, USA
- Department of Fisheries, Wildlife, and Conservation Sciences, Oregon State University, Newport, OR, USA
| | - Scott A Shaffer
- Department of Biological Sciences, San Jose State University, San Jose, CA, USA
| | - Lesley H Thorne
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, NY, USA
| | - Jordan T Watson
- NOAA, Alaska Fisheries Science Center, Auke Bay Laboratory, Juneau, AK, USA
- Pacific Islands Ocean Observing System, University of Hawai'i Mānoa, Honolulu, HI, USA
| | - Rachel R Holser
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
| | - Lynn Dewitt
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
| | - Steven J Bograd
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
| | - Elliott L Hazen
- NOAA, Southwest Fisheries Science Center, Environmental Research Division, Monterey, CA, USA
- Institute of Marine Science, UC Santa Cruz, Santa Cruz, CA, USA
- Hopkins Marine Station, Stanford University, Pacific Grove, CA, USA
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2
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Fennie HW, Seary R, Muhling BA, Bograd SJ, Brodie S, Cimino MA, Hazen EL, Jacox MG, McHuron EA, Melin S, Santora JA, Suca JJ, Thayer JA, Thompson AR, Warzybok P, Tommasi D. An anchovy ecosystem indicator of marine predator foraging and reproduction. Proc Biol Sci 2023; 290:20222326. [PMID: 36750186 PMCID: PMC9904941 DOI: 10.1098/rspb.2022.2326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Accepted: 01/13/2023] [Indexed: 02/09/2023] Open
Abstract
Forage fishes are key energy conduits that transfer primary and secondary productivity to higher trophic levels. As novel environmental conditions caused by climate change alter ecosystems and predator-prey dynamics, there is a critical need to understand how forage fish control bottom-up forcing of food web dynamics. In the northeast Pacific, northern anchovy (Engraulis mordax) is an important forage species with high interannual variability in population size that subsequently impacts the foraging and reproductive ecology of marine predators. Anchovy habitat suitability from a species distribution model (SDM) was assessed as an indicator of the diet, distribution and reproduction of four predator species. Across 22 years (1998-2019), this anchovy ecosystem indicator (AEI) was significantly positively correlated with diet composition of all species and the distribution of common murres (Uria aalge), Brandt's cormorants (Phalacrocorax penicillatus) and California sea lions (Zalophus californianus), but not rhinoceros auklets (Cerorhinca monocerata). The capacity for the AEI to explain variability in predator reproduction varied by species but was strongest with cormorants and sea lions. The AEI demonstrates the utility of forage SDMs in creating ecosystem indicators to guide ecosystem-based management.
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Affiliation(s)
- H. William Fennie
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Fisheries Resources Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric and Administration, 8901 La Jolla Shores Drive, La Jolla, CA 92037-1508, USA
| | - Rachel Seary
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 99 Pacific Street, Suite 255A, Monterey, CA 93940-7200, USA
| | - Barbara A. Muhling
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Fisheries Resources Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric and Administration, 8901 La Jolla Shores Drive, La Jolla, CA 92037-1508, USA
| | - Steven J. Bograd
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 99 Pacific Street, Suite 255A, Monterey, CA 93940-7200, USA
| | - Stephanie Brodie
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 99 Pacific Street, Suite 255A, Monterey, CA 93940-7200, USA
| | - Megan A. Cimino
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 99 Pacific Street, Suite 255A, Monterey, CA 93940-7200, USA
| | - Elliott L. Hazen
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 99 Pacific Street, Suite 255A, Monterey, CA 93940-7200, USA
| | - Michael G. Jacox
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 99 Pacific Street, Suite 255A, Monterey, CA 93940-7200, USA
- Physical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric and Administration, 325 Broadway, Boulder, CO 80305, USA
| | - Elizabeth A. McHuron
- Cooperative Institute for Climate, Ocean and Ecosystem Studies, University of Washington, 3737 Brooklyn Avenue NE, Seattle, WA 98105, USA
| | - Sharon Melin
- California Current Ecosystems Program, Alaska Fisheries Science Center, National Marine Mammal Laboratory, National Oceanic and Atmospheric Administration, 7600 Sand Point Way NE, Seattle, WA 98115, USA
| | - Jarrod A. Santora
- Fisheries Ecology Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 110 McAllister Way, Santa Cruz, CA 95060, USA
- Department of Applied Math, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
| | - Justin J. Suca
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, 99 Pacific Street, Suite 255A, Monterey, CA 93940-7200, USA
| | - Julie A. Thayer
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Farallon Institute for Advanced Ecosystem Research, 101 H Street, Suite Q, Petaluma, CA 94952, USA
| | - Andrew R. Thompson
- Fisheries Resources Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric and Administration, 8901 La Jolla Shores Drive, La Jolla, CA 92037-1508, USA
| | - Pete Warzybok
- Point Blue Conservation Science, 3820 Cypress Drive Suite 11, Petaluma, CA 94954, USA
| | - Desiree Tommasi
- Institute of Marine Sciences, University of California-Santa Cruz, 1156 High Street, Santa Cruz, CA 95064, USA
- Fisheries Resources Division, Southwest Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric and Administration, 8901 La Jolla Shores Drive, La Jolla, CA 92037-1508, USA
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3
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Taboada FG, Park J, Muhling BA, Tommasi D, Tanaka KR, Rykaczewski RR, Stock CA, Sarmiento JL. Anticipating fluctuations of bigeye tuna in the Pacific Ocean from three‐dimensional ocean biogeochemistry. J Appl Ecol 2022. [DOI: 10.1111/1365-2664.14346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Fernando G. Taboada
- Atmospheric & Oceanic Sciences Program Princeton University Princeton NJ USA
- Geophysical Fluid Dynamics Laboratory, National Oceanic and Atmospheric Administration Princeton NJ USA
| | - Jong‐Yeon Park
- Department of Earth and Environmental Sciences Jeonbuk National University Jeollabuk‐do Republic of Korea
| | - Barbara A. Muhling
- Institute for Marine Science Santa Cruz CA USA
- National Oceanic and Atmospheric Administration (NOAA), Southwest Fisheries Science Center (SFSC), San Diego CA USA
| | - Desiree Tommasi
- Institute for Marine Science Santa Cruz CA USA
- National Oceanic and Atmospheric Administration (NOAA), Southwest Fisheries Science Center (SFSC), San Diego CA USA
| | - Kisei R. Tanaka
- Atmospheric & Oceanic Sciences Program Princeton University Princeton NJ USA
- National Oceanic and Atmospheric Administration (NOAA), Paci_c Islands Fisheries Science Center (PIFSC), Honolulu HI USA
| | - Ryan R. Rykaczewski
- National Oceanic and Atmospheric Administration (NOAA), Paci_c Islands Fisheries Science Center (PIFSC), Honolulu HI USA
| | - Charles A. Stock
- Geophysical Fluid Dynamics Laboratory, National Oceanic and Atmospheric Administration Princeton NJ USA
| | - Jorge L. Sarmiento
- Atmospheric & Oceanic Sciences Program Princeton University Princeton NJ USA
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4
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Brodie S, Smith JA, Muhling BA, Barnett LAK, Carroll G, Fiedler P, Bograd SJ, Hazen EL, Jacox MG, Andrews KS, Barnes CL, Crozier LG, Fiechter J, Fredston A, Haltuch MA, Harvey CJ, Holmes E, Karp MA, Liu OR, Malick MJ, Pozo Buil M, Richerson K, Rooper CN, Samhouri J, Seary R, Selden RL, Thompson AR, Tommasi D, Ward EJ, Kaplan IC. Recommendations for quantifying and reducing uncertainty in climate projections of species distributions. Glob Chang Biol 2022; 28:6586-6601. [PMID: 35978484 PMCID: PMC9805044 DOI: 10.1111/gcb.16371] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 05/26/2023]
Abstract
Projecting the future distributions of commercially and ecologically important species has become a critical approach for ecosystem managers to strategically anticipate change, but large uncertainties in projections limit climate adaptation planning. Although distribution projections are primarily used to understand the scope of potential change-rather than accurately predict specific outcomes-it is nonetheless essential to understand where and why projections can give implausible results and to identify which processes contribute to uncertainty. Here, we use a series of simulated species distributions, an ensemble of 252 species distribution models, and an ensemble of three regional ocean climate projections, to isolate the influences of uncertainty from earth system model spread and from ecological modeling. The simulations encompass marine species with different functional traits and ecological preferences to more broadly address resource manager and fishery stakeholder needs, and provide a simulated true state with which to evaluate projections. We present our results relative to the degree of environmental extrapolation from historical conditions, which helps facilitate interpretation by ecological modelers working in diverse systems. We found uncertainty associated with species distribution models can exceed uncertainty generated from diverging earth system models (up to 70% of total uncertainty by 2100), and that this result was consistent across species traits. Species distribution model uncertainty increased through time and was primarily related to the degree to which models extrapolated into novel environmental conditions but moderated by how well models captured the underlying dynamics driving species distributions. The predictive power of simulated species distribution models remained relatively high in the first 30 years of projections, in alignment with the time period in which stakeholders make strategic decisions based on climate information. By understanding sources of uncertainty, and how they change at different forecast horizons, we provide recommendations for projecting species distribution models under global climate change.
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Affiliation(s)
- Stephanie Brodie
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationMontereyCaliforniaUSA
| | - James A. Smith
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSan DiegoCaliforniaUSA
| | - Barbara A. Muhling
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSan DiegoCaliforniaUSA
| | - Lewis A. K. Barnett
- Alaska Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | | | - Paul Fiedler
- Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSan DiegoCaliforniaUSA
| | - Steven J. Bograd
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationMontereyCaliforniaUSA
| | - Elliott L. Hazen
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationMontereyCaliforniaUSA
| | - Michael G. Jacox
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationMontereyCaliforniaUSA
- Physical Sciences Laboratory, Earth System Research LaboratoriesNational Oceanic and Atmospheric AdministrationBoulderColoradoUSA
| | - Kelly S. Andrews
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Cheryl L. Barnes
- Cooperative Institute for Climate, Ocean, and Ecosystem StudiesUniversity of WashingtonSeattleWashingtonUSA
| | - Lisa G. Crozier
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Jerome Fiechter
- Ocean Sciences DepartmentUniversity of California Santa CruzSanta CruzCaliforniaUSA
| | - Alexa Fredston
- Ocean Sciences DepartmentUniversity of California Santa CruzSanta CruzCaliforniaUSA
- Department of Ecology, Evolution, and Natural ResourcesRutgers UniversityNew BrunswickNew JerseyUSA
| | - Melissa A. Haltuch
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Chris J. Harvey
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Elizabeth Holmes
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Melissa A. Karp
- ECS Tech, in support of, NOAA Fisheries Office of Science and TechnologySilver SpringMarylandUSA
| | - Owen R. Liu
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Michael J. Malick
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Mercedes Pozo Buil
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationMontereyCaliforniaUSA
| | - Kate Richerson
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | | | - Jameal Samhouri
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Rachel Seary
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Environmental Research Division, Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationMontereyCaliforniaUSA
| | - Rebecca L. Selden
- Department of Biological SciencesWellesley CollegeWellesleyMassachusettsUSA
| | - Andrew R. Thompson
- Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSan DiegoCaliforniaUSA
| | - Desiree Tommasi
- Institute of Marine SciencesUniversity of California Santa CruzMontereyCaliforniaUSA
- Southwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSan DiegoCaliforniaUSA
| | - Eric J. Ward
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
| | - Isaac C. Kaplan
- Northwest Fisheries Science Center, National Marine Fisheries ServiceNational Oceanic and Atmospheric AdministrationSeattleWashingtonUSA
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Dewar H, Snodgrass OE, Muhling BA, Schaefer KM. Recent and historical data show no evidence of Pacific bluefin tuna reproduction in the southern California Current system. PLoS One 2022; 17:e0269069. [PMID: 35617318 PMCID: PMC9135278 DOI: 10.1371/journal.pone.0269069] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 05/13/2022] [Indexed: 11/19/2022] Open
Abstract
Despite their broad distribution across the North Pacific Ocean, the only known spawning grounds for Pacific Bluefin Tuna (Thunnus orientalis) are around coastal Japan and the East China Sea. However, an increase in the prevalence of large bluefin tuna up to 10 years old in the California Current System during exceptionally warm ocean conditions has led to speculation that they may be spawning in this region. To investigate this possibility, we collected samples from 36 females (estimated 3–8 years old) between 2015 and 2019. Histological analyses revealed no signs of imminent, active, or recent spawning. Further examination of historical ichthyoplankton collections showed no records of larval bluefin tuna, but confirmed the presence of the larvae of other tuna species in waters > 24°C. Fishery-dependent records showed that bluefin tuna are rarely recorded in purse seine catches where surface temperatures exceed 23°C. Our study, therefore, provided no evidence of bluefin tuna reproduction in the CCS. However, more comprehensive sampling, in particular off southern Baja California, may be required to confirm the absence of spawning.
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Affiliation(s)
- Heidi Dewar
- NOAA Fisheries, Southwest Fisheries Science Center, La Jolla, CA, United States of America
| | - Owyn E. Snodgrass
- NOAA Fisheries, Southwest Fisheries Science Center, La Jolla, CA, United States of America
| | - Barbara A. Muhling
- NOAA Fisheries, Southwest Fisheries Science Center, La Jolla, CA, United States of America
- Institute of Marine Sciences, University of California, Santa Cruz, CA, United States of America
- * E-mail:
| | - Kurt M. Schaefer
- Inter-American Tropical Tuna Commission, La Jolla, CA, United States of America
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6
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Muhling BA, Jacobs J, Stock CA, Gaitan CF, Saba VS. Projections of the future occurrence, distribution, and seasonality of three Vibrio species in the Chesapeake Bay under a high-emission climate change scenario. Geohealth 2017; 1:278-296. [PMID: 32158993 PMCID: PMC7007099 DOI: 10.1002/2017gh000089] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 07/20/2017] [Accepted: 08/04/2017] [Indexed: 05/05/2023]
Abstract
Illness caused by pathogenic strains of Vibrio bacteria incurs significant economic and health care costs in many areas around the world. In the Chesapeake Bay, the two most problematic species are V. vulnificus and V. parahaemolyticus, which cause infection both from exposure to contaminated water and consumption of contaminated seafood. We used existing Vibrio habitat models, four global climate models, and a recently developed statistical downscaling framework to project the spatiotemporal probability of occurrence of V. vulnificus and V. cholerae in the estuarine environment, and the mean concentration of V. parahaemolyticus in oysters in the Chesapeake Bay by the end of the 21st century. Results showed substantial future increases in season length and spatial habitat for V. vulnificus and V. parahaemolyticus, while projected increase in V. cholerae habitat was less marked and more spatially heterogeneous. Our findings underscore the need for spatially variable inputs into models of climate impacts on Vibrios in estuarine environments. Overall, economic costs associated with Vibrios in the Chesapeake Bay, such as incidence of illness and management measures on the shellfish industry, may increase under climate change, with implications for recreational and commercial uses of the ecosystem.
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Affiliation(s)
- Barbara A. Muhling
- Princeton University Program in Atmospheric and Oceanic SciencesPrincetonNew JerseyUSA
- NOAA Geophysical Fluid Dynamics LaboratoryPrincetonNew JerseyUSA
- Now at Cooperative Institute for Marine Ecosystems and ClimateUniversity of CaliforniaSanta CruzCaliforniaUSA
| | - John Jacobs
- National Oceanic and Atmospheric Administration, National Ocean Service, National Centers for Coastal Ocean Science, Cooperative Oxford LabOxfordMarylandUSA
| | - Charles A. Stock
- NOAA Geophysical Fluid Dynamics LaboratoryPrincetonNew JerseyUSA
| | | | - Vincent S. Saba
- National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Northeast Fisheries Science Center, Geophysical Fluid Dynamics LaboratoryPrinceton University Forrestal CampusPrincetonNew JerseyUSA
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7
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Laiz-Carrión R, Gerard T, Uriarte A, Malca E, Quintanilla JM, Muhling BA, Alemany F, Privoznik SL, Shiroza A, Lamkin JT, García A. Correction: Trophic Ecology of Atlantic Bluefin Tuna (Thunnusthynnus) Larvae from the Gulf of Mexico and NW Mediterranean Spawning Grounds: A Comparative Stable Isotope Study. PLoS One 2015; 10:e0138638. [PMID: 26375820 PMCID: PMC4574292 DOI: 10.1371/journal.pone.0138638] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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8
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Laiz-Carrión R, Gerard T, Uriarte A, Malca E, Quintanilla JM, Muhling BA, Alemany F, Privoznik SL, Shiroza A, Lamkin JT, García A. Trophic ecology of Atlantic Bluefin Tuna (Thunnus thynnus) [corrected] larvae from the Gulf of Mexico and NW Mediterranean spawning grounds: A Comparative Stable Isotope Study. PLoS One 2015. [PMID: 26225849 PMCID: PMC4520599 DOI: 10.1371/journal.pone.0133406] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
The present study uses stable isotopes of nitrogen and carbon (δ15Nandδ13C) as trophic indicators for Atlantic bluefin tuna larvae (BFT) (6–10 mm standard length) in the highly contrasting environmental conditions of the Gulf of Mexico (GOM) and the Balearic Sea (MED). These regions are differentiated by their temperature regime and relative productivity, with the GOM being significantly warmer and more productive. MED BFT larvae showed the highest δ15N signatures, implying an elevated trophic position above the underlying microzooplankton baseline. Ontogenetic dietary shifts were observed in the BFT larvae from the GOM and MED which indicates early life trophodynamics differences between these spawning habitats. Significant trophic differences between the GOM and MED larvae were observed in relation to δ15N signatures in favour of the MED larvae, which may have important implications in their growth during their early life stages.These low δ15N levels in the zooplankton from the GOM may be an indication of a shifting isotopic baseline in pelagic food webs due to diatrophic inputs by cyanobacteria. Lack of enrichment for δ15N in BFT larvae compared to zooplankton implies an alternative grazing pathway from the traditional food chain of phytoplankton—zooplankton—larval fish. Results provide insight for a comparative characterization of the trophic pathways variability of the two main spawning grounds for BFT larvae.
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Affiliation(s)
- Raúl Laiz-Carrión
- Instituto Español de Oceanografía—Centro Oceanográfico de Málaga (COM-IEO), Fuengirola, Spain
- * E-mail:
| | - Trika Gerard
- Southeast Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration (NOAA), Miami, Florida, United States of America
- South Florida Campus- University of Phoenix, Miramar, Florida, United States of America
| | - Amaya Uriarte
- Instituto Español de Oceanografía—Centro Oceanográfico de Málaga (COM-IEO), Fuengirola, Spain
| | - Estrella Malca
- South Florida Campus- University of Phoenix, Miramar, Florida, United States of America
- Cooperative Institute for Marine and Atmospheric Studies (CIMAS), University of Miami, Miami, Florida, United States of America
| | - José María Quintanilla
- Instituto Español de Oceanografía—Centro Oceanográfico de Málaga (COM-IEO), Fuengirola, Spain
| | - Barbara A. Muhling
- Princeton University Program in Atmospheric and Oceanic Science, Forrestal Campus/Sayre Hall, Princeton, New Jersey, United States of America
- NOAA Geophysical Fluid Dynamics Laboratory, 201 Forrestal Road, Princeton, New Jersey, United States of America
| | - Francisco Alemany
- Instituto Español de Oceanografía Centro Oceanográfico de Baleares (COB-IEO), Palma de Mallorca, Balearic Islands, Spain
| | - Sarah L. Privoznik
- South Florida Campus- University of Phoenix, Miramar, Florida, United States of America
- Cooperative Institute for Marine and Atmospheric Studies (CIMAS), University of Miami, Miami, Florida, United States of America
| | - Akihiro Shiroza
- South Florida Campus- University of Phoenix, Miramar, Florida, United States of America
- Cooperative Institute for Marine and Atmospheric Studies (CIMAS), University of Miami, Miami, Florida, United States of America
| | - John T. Lamkin
- Southeast Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration (NOAA), Miami, Florida, United States of America
| | - Alberto García
- Instituto Español de Oceanografía—Centro Oceanográfico de Málaga (COM-IEO), Fuengirola, Spain
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9
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Karnauskas M, Schirripa MJ, Craig JK, Cook GS, Kelble CR, Agar JJ, Black BA, Enfield DB, Lindo-Atichati D, Muhling BA, Purcell KM, Richards PM, Wang C. Evidence of climate-driven ecosystem reorganization in the Gulf of Mexico. Glob Chang Biol 2015; 21:2554-2568. [PMID: 25778777 DOI: 10.1111/gcb.12894] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Revised: 01/09/2015] [Accepted: 02/05/2015] [Indexed: 06/04/2023]
Abstract
The Gulf of Mexico is one of the most ecologically and economically valuable marine ecosystems in the world and is affected by a variety of natural and anthropogenic phenomena including climate, hurricanes, coastal development, agricultural runoff, oil spills, and fishing. These complex and interacting stressors, together with the highly dynamic nature of this ecosystem, present challenges for the effective management of its resources. We analyze a compilation of over 100 indicators representing physical, biological, and economic aspects of the Gulf of Mexico and find that an ecosystem-wide reorganization occurred in the mid-1990s. Further analysis of fishery landings composition data indicates a major shift in the late 1970s coincident with the advent of US national fisheries management policy, as well as significant shifts in the mid-1960s and the mid-1990s. These latter shifts are aligned temporally with changes in a major climate mode in the Atlantic Ocean: the Atlantic Multidecadal Oscillation (AMO). We provide an explanation for how the AMO may drive physical changes in the Gulf of Mexico, thus altering higher-level ecosystem dynamics. The hypotheses presented here should provide focus for further targeted studies, particularly in regard to whether and how management should adjust to different climate regimes or states of nature. Our study highlights the challenges in understanding the effects of climatic drivers against a background of multiple anthropogenic pressures, particularly in a system where these forces interact in complex and nonlinear ways.
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Affiliation(s)
- Mandy Karnauskas
- Southeast Fisheries Science Center, National Marine Fisheries Service, 75 Virginia Beach Drive, Miami, FL, 33149, USA
| | - Michael J Schirripa
- Southeast Fisheries Science Center, National Marine Fisheries Service, 75 Virginia Beach Drive, Miami, FL, 33149, USA
| | - J K Craig
- Southeast Fisheries Science Center, National Marine Fisheries Service, 101 Pivers Island Road, Beaufort, NC, 28516, USA
| | - Geoffrey S Cook
- Atlantic Meteorological and Oceanographic Laboratory, Office of Oceanic and Atmospheric Research, 4301 Rickenbacker Causeway, Miami, FL, 33149, USA
- Rosenstiel School of Marine and Atmospheric Science, Cooperative Institute for Marine and Atmospheric Studies, University of Miami, 4600 Rickenbacker Causeway, Miami, FL, 33149, USA
| | - Christopher R Kelble
- Atlantic Meteorological and Oceanographic Laboratory, Office of Oceanic and Atmospheric Research, 4301 Rickenbacker Causeway, Miami, FL, 33149, USA
| | - Juan J Agar
- Southeast Fisheries Science Center, National Marine Fisheries Service, 75 Virginia Beach Drive, Miami, FL, 33149, USA
| | - Bryan A Black
- Marine Science Institute, University of Texas, 750 Channel View Drive, Port Aransas, TX, 78373, USA
| | - David B Enfield
- Atlantic Meteorological and Oceanographic Laboratory, Office of Oceanic and Atmospheric Research, 4301 Rickenbacker Causeway, Miami, FL, 33149, USA
- Rosenstiel School of Marine and Atmospheric Science, Cooperative Institute for Marine and Atmospheric Studies, University of Miami, 4600 Rickenbacker Causeway, Miami, FL, 33149, USA
| | - David Lindo-Atichati
- Rosenstiel School of Marine and Atmospheric Science, Cooperative Institute for Marine and Atmospheric Studies, University of Miami, 4600 Rickenbacker Causeway, Miami, FL, 33149, USA
| | - Barbara A Muhling
- Southeast Fisheries Science Center, National Marine Fisheries Service, 75 Virginia Beach Drive, Miami, FL, 33149, USA
- Rosenstiel School of Marine and Atmospheric Science, Cooperative Institute for Marine and Atmospheric Studies, University of Miami, 4600 Rickenbacker Causeway, Miami, FL, 33149, USA
| | - Kevin M Purcell
- Southeast Fisheries Science Center, National Marine Fisheries Service, 101 Pivers Island Road, Beaufort, NC, 28516, USA
| | - Paul M Richards
- Southeast Fisheries Science Center, National Marine Fisheries Service, 75 Virginia Beach Drive, Miami, FL, 33149, USA
| | - Chunzai Wang
- Atlantic Meteorological and Oceanographic Laboratory, Office of Oceanic and Atmospheric Research, 4301 Rickenbacker Causeway, Miami, FL, 33149, USA
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10
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Muhling BA, Roffer MA, Lamkin JT, Ingram GW, Upton MA, Gawlikowski G, Muller-Karger F, Habtes S, Richards WJ. Overlap between Atlantic bluefin tuna spawning grounds and observed Deepwater Horizon surface oil in the northern Gulf of Mexico. Mar Pollut Bull 2012; 64:679-687. [PMID: 22330074 DOI: 10.1016/j.marpolbul.2012.01.034] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2011] [Revised: 01/11/2012] [Accepted: 01/21/2012] [Indexed: 05/31/2023]
Abstract
The 2010 Deepwater Horizon oil spill impacted the northern Gulf of Mexico (GOM) during the spring spawning season of Atlantic bluefin tuna (BFT). Overlap between BFT spawning habitat and surface oil in the northern GOM was examined using satellite-derived estimates of oil coverage, and spawning habitat models. Results suggested that although eggs and larvae were likely impacted by oil-contaminated waters in the eastern GOM, high abundances of larvae were located elsewhere, especially in the western GOM. Overall, less than 10% of BFT spawning habitat was predicted to have been covered by surface oil, and less than 12% of larval BFT were predicted to have been located within contaminated waters in the northern GOM, on a weekly basis. Our results provide preliminary but important initial estimates of the effects of the spill on larval BFT mortality, as concern continues over the appropriate management responses to impacts of the spill.
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Affiliation(s)
- B A Muhling
- Cooperative Institute for Marine and Atmospheric Studies, University of Miami, 4600 Rickenbacker Causeway, Miami, FL 33149, USA.
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