Trophic Structure and Community Stability in an Overfished Ecosystem

被引：112

作者：

Utne-Palm, Anne C. ^{[1
]}

Salvanes, Anne G. V. ^{[1
]}

Currie, Bronwen ^{[2
]}

Kaartvedt, Stein ^{[3
,11
]}

Nilsson, Goran E. ^{[4
]}

Braithwaite, Victoria A. ^{[1
,5
,6
]}

Stecyk, Jonathan A. W. ^{[4
]}

Hundt, Matthias ^{[1
]}

van der Bank, Megan ^{[8
]}

Flynn, Bradley ^{[8
]}

Sandvik, Guro K. ^{[4
]}

Klevjer, Thor A. ^{[3
]}

Sweetman, Andrew K. ^{[9
]}

Bruchert, Volker ^{[10
]}

Pittman, Karin ^{[1
]}

Peard, Kathleen R. ^{[7
]}

Lunde, Ida G. ^{[4
]}

Strandabo, Ronnaug A. U. ^{[4
]}

Gibbons, Mark J. ^{[8
]}

机构：

[1] Univ Bergen, Dept Biol, Bergen, Norway

[2] Natl Marine Informat & Res Ctr, Swakopmund, Namibia

[3] Univ Oslo, Dept Biol, Oslo, Norway

[4] Univ Oslo, Dept Mol Biosci, Oslo, Norway

[5] Penn State Univ, Sch Forest Resources, State Coll, PA USA

[6] Penn State Univ, Dept Biol, State Coll, PA USA

[7] Minist Fisheries & Marine Resources, Luderitz, Namibia

[8] Univ Western Cape, Dept Biodivers & Conservat Biol, ZA-7535 Bellville, South Africa

[9] Norwegian Inst Water Res NIVA, Reg Off Bergen, Bergen, Norway

[10] Stockholm Univ, Dept Sci, S-10691 Stockholm, Sweden

[11] King Abdullah Univ Sci & Technol, Thuwai, Saudi Arabia

来源：

SCIENCE | 2010年 / 329卷 / 5989期

基金：

新加坡国家研究基金会;

关键词：

COASTAL UPWELLING SYSTEM; HYDROGEN-SULFIDE; BENGUELA ECOSYSTEM; NAMIBIAN SHELF; HYPOXIA; OCEAN; DETOXIFICATION; ASSOCIATION; EMISSIONS; ERUPTIONS;

D O I：

10.1126/science.1190708

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：

Since the collapse of the pelagic fisheries off southwest Africa in the late 1960s, jellyfish biomass has increased and the structure of the Benguelan fish community has shifted, making the bearded goby (Sufflogobius bibarbatus) the new predominant prey species. Despite increased predation pressure and a harsh environment, the gobies are thriving. Here we show that physiological adaptations and antipredator and foraging behaviors underpin the success of these fish. In particular, body-tissue isotope signatures reveal that gobies consume jellyfish and sulphidic diatomaceous mud, transferring "dead-end" resources back into the food chain.

引用

页码：333 / 336

页数：4

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