Ocean warming threatens southern right whale population recovery

被引：22

作者：

Agrelo, Macarena ^{[1
,2
]}

Daura-Jorge, Fabio G. ^{[1
]}

Rowntree, Victoria J. ^{[3
,4
]}

Sironi, Mariano ^{[2
,5
]}

Hammond, Philip S. ^{[6
]}

Ingram, Simon N. ^{[7
]}

Maron, Carina F. ^{[2
,5
]}

Vilches, Florencia O. ^{[2
,8
]}

Seger, Jon ^{[4
]}

Payne, Roger ^{[3
]}

Simoes-Lopes, Paulo C. ^{[1
]}

机构：

[1] Univ Fed Santa Catarina, Dept Ecol & Zool, Lab Mamiferos Aquat, Programa Posgrad Ecol, Florianopolis, SC, Brazil

[2] Inst Conservac Ballenas, OHiggins 4380, RA-1429 Buenos Aires, DF, Argentina

[3] Ocean Alliance, 32 Horton St, Gloucester, MA 01930 USA

[4] Univ Utah, Sch Biol Sci, Salt Lake City, UT 84112 USA

[5] Univ Nacl Cordoba, Fac Ciencias Exactas Fis & Nat FCEFyN, RA-5000 Cordoba, Argentina

[6] Univ St Andrews, Sea Mammal Res Unit, Scottish Oceans Inst, St Andrews KY16 8LB, Fife, Scotland

[7] Univ Plymouth, Sch Biol & Marine Sci, Plymouth PL4 8AA, Devon, England

[8] Univ Calif Santa Cruz, Dept Ecol & Evolutionary Biol, Santa Cruz, CA 95064 USA

来源：

SCIENCE ADVANCES | 2021年 / 7卷 / 42期

关键词：

SEQUENTIAL MEGAFAUNAL COLLAPSE; EUBALAENA-AUSTRALIS; ANTARCTIC KRILL; BALEEN WHALES; EL-NINO; ECOSYSTEM; SEA; TRANSPORT; SURVIVAL; INCREASE;

D O I：

10.1126/sciadv.abh2823

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Whales contribute to marine ecosystem functioning, and they may play a role in mitigating climate change and supporting the Antarctic krill (Euphausia superba) population, a keystone prey species that sustains the entire Southern Ocean (SO) ecosystem. By analyzing a five-decade (1971-2017) data series of individual southern right whales (SRWs; Eubalaena australis) photo-identified at Peninsula Valdes, Argentina, we found a marked increase in whale mortality rates following El Nino events. By modeling how the population responds to changes in the frequency and intensity of El Nino events, we found that such events are likely to impede SRW population recovery and could even cause population decline. Such outcomes have the potential to disrupt food-web interactions in the SO, weakening that ecosystem's contribution to the mitigation of climate change at a global scale.

引用

页数：8

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