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Observing change in pelagic animals as sampling methods shift: the case of Antarctic krill
Hill, Simeon L.1; Atkinson, Angus2; Arata, Javier A.3; Belcher, Anna1,4; Nash, Susan Bengtson5; Bernard, Kim S.6; Cleary, Alison1,7; Conroy, John A.8,33; Driscoll, Ryan9; Fielding, Sophie1; Flores, Hauke9; Forcada, Jaume1; Halfter, Svenja10; Hinke, Jefferson T.11; Huckstadt, Luis12,13; Johnston, Nadine M.1; Kane, Mary14; Kawaguchi, So17; Krafft, Bjorn A.15; Kruger, Lucas16; La, Hyoung Sul17; Liszka, Cecilia M.1; Meyer, Bettina9,18,19; Murphy, Eugene J.1; Pakhomov, Evgeny A.20,21; Perry, Frances22,34; Pinones, Andrea23; Polito, Michael J.24; Reid, Keith25,35; Reiss, Christian11; Rombola, Emilce26; Saunders, Ryan A.1; Schmidt, Katrin27; Sylvester, Zephyr T.28; Takahashi, Akinori29; Tarling, Geraint A.1; Trathan, Phil N.1; Veytia, Devi30; Watters, George M.11; Xavier, Jose C.1,31; Yang, Guang32
Corresponding AuthorHill, Simeon L.(
AbstractUnderstanding and managing the response of marine ecosystems to human pressures including climate change requires reliable large-scale and multi-decadal information on the state of key populations. These populations include the pelagic animals that support ecosystem services including carbon export and fisheries. The use of research vessels to collect information using scientific nets and acoustics is being replaced with technologies such as autonomous moorings, gliders, and meta-genetics. Paradoxically, these newer methods sample pelagic populations at ever-smaller spatial scales, and ecological change might go undetected in the time needed to build up large-scale, long time series. These global-scale issues are epitomised by Antarctic krill (Euphausia superba), which is concentrated in rapidly warming areas, exports substantial quantities of carbon and supports an expanding fishery, but opinion is divided on how resilient their stocks are to climatic change. Based on a workshop of 137 krill experts we identify the challenges of observing climate change impacts with shifting sampling methods and suggest three tractable solutions. These are to: improve overlap and calibration of new with traditional methods; improve communication to harmonise, link and scale up the capacity of new but localised sampling programs; and expand opportunities from other research platforms and data sources, including the fishing industry. Contrasting evidence for both change and stability in krill stocks illustrates how the risks of false negative and false positive diagnoses of change are related to the temporal and spatial scale of sampling. Given the uncertainty about how krill are responding to rapid warming we recommend a shift towards a fishery management approach that prioritises monitoring of stock status and can adapt to variability and change.
Keywordecosystem monitoring population change Antarctic kill fishery management new technologies
Indexed BySCI
Funding ProjectNatural Environment Research Council10.13039/501100000270
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:001189571500001
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Document Type期刊论文
Corresponding AuthorHill, Simeon L.
Affiliation1.British Antarctic Survey, Ecosyst Team, Cambridge, England
2.Plymouth Marine Lab, Prospect Pl, Plymouth, England
3.Assoc Responsible Krill Harvesting Co, Toronto, ON, Canada
4.Northern Res Stn, Forest Res, Roslin, Scotland
5.Griffith Univ, Ctr Planetary Hlth & Food Secur, Southern Ocean Persistent Organ Pollutants Progra, Nathan, Qld, Australia
6.Oregon State Univ, Coll Earth Ocean & Atmospher Sci, Corvallis, OR USA
7.Australian Antarctic Div, Kingston, Tas, Australia
8.William & Mary, Virginia Inst Marine Sci, Williamsburg, VA USA
9.Helmholtz Ctr Polar & Marine Res, Polar Biol Oceanog Div, Alfred Wegener Inst, Bremerhaven, Germany
10.Natl Inst Water & Atmospher Res, Auckland, New Zealand
11.NOAA, Natl Marine Fisheries Serv, Southwest Fisheries Sci Ctr, Antarctic Ecosyst Res Div, La Jolla, CA USA
12.Univ Calif Santa Cruz, Inst Marine Sci, Santa Cruz, CA USA
13.Univ Exeter, Ctr Ecol & Conservat, Penryn, England
14.Mediterranean Inst Adv Studies, Esporles, Spain
15.Inst Marine Res, Plankton Dept, Bergen, Norway
16.Inst Antartico Chileno, Dept Cientif, Punta Arenas, Chile
17.Korea Polar Res Inst, Div Ocean Sci, Incheon, South Korea
18.Carl von Ossietzky Univ Oldenburg, Inst Chem & Biol Marine Environm, Oldenburg, Germany
19.Carl von Ossietzky Univ Oldenburg, Helmholtz Inst Funct Marine Biodivers HIFMB, Oldenburg, Germany
20.Univ British Columbia, Inst Oceans & Fisheries, Dept Earth Ocean & Atmospher Sci EOAS, Vancouver, BC, Canada
21.Univ British Columbia, Inst Oceans & Fisheries, Vancouver, BC, Canada
22.Marine Biol Assoc UK, The Laboratory, Plymouth, England
23.Univ Austral Chile, Inst Marine & Limnol Sci, Valdivia, Chile
24.Louisiana State Univ, Dept Oceanog & Coastal Sci, 93 South Quad Dr,Room 1239 Energy Coast & Environ, Baton Rouge, LA USA
25.Ross Analyt, Hobart, Tas, Australia
26.Inst Antartico Argentino, Direcc Nacl Antartico, San Martin, Buenos Aires, Argentina
27.Univ Plymouth, Sch Geog Earth & Environm Sci, Plymouth, England
28.Univ Colorado, Environm Studies Program, Boulder, CO USA
29.Natl Inst Polar Res, Tokyo, Japan
30.Univ Tasmania, Inst Marine & Antarctic Studies, Hobart, Tas, Australia
31.Univ Coimbra, Marine & Environm Sci Ctr, Dept Life Sci, ARNET Aquat Res Network, Coimbra, Portugal
32.Chinese Acad Sci, Key Lab Marine Ecol & Environm Sci, Inst Oceanol, Qingdao, Peoples R China
33.Univ Calif Santa Cruz, Ocean Sci Dept, Santa Cruz, CA USA
34.Univ Exeter, Dept Biosci, Exeter, England
35.Univ Tasmania, Inst Marine, Antarctic Studies, Hobart, Tas, Australia
Recommended Citation
GB/T 7714
Hill, Simeon L.,Atkinson, Angus,Arata, Javier A.,et al. Observing change in pelagic animals as sampling methods shift: the case of Antarctic krill[J]. FRONTIERS IN MARINE SCIENCE,2024,11:20.
APA Hill, Simeon L..,Atkinson, Angus.,Arata, Javier A..,Belcher, Anna.,Nash, Susan Bengtson.,...&Yang, Guang.(2024).Observing change in pelagic animals as sampling methods shift: the case of Antarctic krill.FRONTIERS IN MARINE SCIENCE,11,20.
MLA Hill, Simeon L.,et al."Observing change in pelagic animals as sampling methods shift: the case of Antarctic krill".FRONTIERS IN MARINE SCIENCE 11(2024):20.
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