Global Seabird Response to Forage Fish Depletion-One-Third for the Birds

被引：557

作者：

Cury, Philippe M. ^{[1
]}

Boyd, Ian L. ^{[2
]}

Bonhommeau, Sylvain ^{[3
]}

Anker-Nilssen, Tycho ^{[4
]}

Crawford, Robert J. M. ^{[5
,6
]}

Furness, Robert W.

Mills, James A.

Murphy, Eugene J. ^{[7
]}

Oesterblom, Henrik ^{[8
]}

Paleczny, Michelle ^{[9
]}

Piatt, John F. ^{[10
]}

Roux, Jean-Paul ^{[11
,12
]}

Shannon, Lynne ^{[13
,14
]}

Sydeman, William J. ^{[15
]}

机构：

[1] Ctr Rech Halieut Mediterraneenne & Trop, Inst Rech Dev, UMR EME 212, F-34203 Sete, France

[2] Univ St Andrews, Scottish Oceans Inst, St Andrews KY16 8LB, Fife, Scotland

[3] IFREMER, Ctr Rech Halieut Mediterraneenne & Trop, UMR EME 212, F-34203 Sete, France

[4] Norwegian Inst Nat Res, NO-7485 Trondheim, Norway

[5] Dept Environm Affairs, Branch Oceans & Coasts, ZA-8012 Cape Town, South Africa

[6] Univ Glasgow, Coll Med Vet & Life Sci, Glasgow G12 8QQ, Lanark, Scotland

[7] British Antarctic Survey, Cambridge CB3 0ET, England

[8] Stockholm Univ, Stockholm Resilience Ctr, Balt Nest Inst, SE-10691 Stockholm, Sweden

[9] Univ British Columbia, Fisheries Ctr, AERL, Vancouver, BC V6T 1Z4, Canada

[10] US Geol Survey, Alaska Sci Ctr, Anchorage, AK 99508 USA

[11] Luderitz Marine Res, Minist Fisheries & Marine Resources, Ecosyst Anal Sect, Luderitz, Namibia

[12] Univ Cape Town, Dept Zool, Anim Demog Unit, ZA-7701 Cape Town, South Africa

[13] Univ Cape Town, Marine Res Inst, ZA-7701 Cape Town, South Africa

[14] Univ Cape Town, Dept Zool, ZA-7701 Cape Town, South Africa

[15] Farallon Inst Adv Ecosyst Res, Petaluma, CA 94952 USA

来源：

SCIENCE | 2011年 / 334卷 / 6063期

关键词：

FOOD AVAILABILITY; CLIMATE; ECOSYSTEMS; CONSERVATION; BIODIVERSITY; ENVIRONMENT; POPULATION; INDICATORS; MANAGEMENT; PREDATORS;

D O I：

10.1126/science.1212928

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：

070301 [无机化学]; 070403 [天体物理学]; 070507 [自然资源与国土空间规划学]; 090105 [作物生产系统与生态工程];

摘要：

Determining the form of key predator-prey relationships is critical for understanding marine ecosystem dynamics. Using a comprehensive global database, we quantified the effect of fluctuations in food abundance on seabird breeding success. We identified a threshold in prey (fish and krill, termed "forage fish") abundance below which seabirds experience consistently reduced and more variable productivity. This response was common to all seven ecosystems and 14 bird species examined within the Atlantic, Pacific, and Southern Oceans. The threshold approximated one-third of the maximum prey biomass observed in long-term studies. This provides an indicator of the minimal forage fish biomass needed to sustain seabird productivity over the long term.

引用

页码：1703 / 1706

页数：4

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