Extinct in the wild: The precarious state of Earth's most threatened group of species

被引：10

作者：

Smith, Donal ^{[1
]}

Abeli, Thomas ^{[2
,3
]}

Bruns, Emily Beckman ^{[4
,5
]}

Dalrymple, Sarah E. ^{[3
,6
]}

Foster, Jeremy ^{[4
,5
,7
]}

Gilbert, Tania C. ^{[3
,8
,9
]}

Hogg, Carolyn J. ^{[3
,10
]}

Lloyd, Natasha A. ^{[3
,11
]}

Meyer, Abby ^{[4
]}

Moehrenschlager, Axel ^{[3
,11
,12
]}

Murrell, Olivia ^{[4
,5
,7
]}

Rodriguez, Jon Paul ^{[13
,14
,15
]}

Smith, Paul P. ^{[16
]}

Terry, Andrew

Ewen, John G. ^{[1
,3
]}

机构：

[1] Zool Soc London, Inst Zool, London, England

[2] Univ Roma Tre, Dept Sci, Rome, Italy

[3] IUCN SSC Conservat Translocat Specialist Grp, Calgary, AB, Canada

[4] Bot Gardens Conservat Int US, San Marino, CA USA

[5] Chicago Bot Gardens, Chicago, IL USA

[6] Liverpool John Moores Univ, Sch Biol & Environm Sci, Liverpool, England

[7] Northwestern Univ, Evanston, IL USA

[8] Marwell Wildlife, Colden Common, Hants, England

[9] Univ Southampton, Sch Biol Sci, Southampton, England

[10] Univ Sydney, Fac Sci, Sch Life & Environm Sci, Sydney, Australia

[11] Wilder Inst Calgary Zoo, Calgary, AB, Canada

[12] Univ Calgary, Dept Biol Sci, Calgary, AB, Canada

[13] IUCN Species Survival Commiss, Caracas, Venezuela

[14] Inst Venezolano Invest Cient, Caracas, Venezuela

[15] Provita, Caracas, Venezuela

[16] Bot Gardens Conservat Int, Surrey, England

来源：

SCIENCE | 2023年 / 379卷 / 6634期

关键词：

VIABLE POPULATION SIZES; EX-SITU CONSERVATION; BIODIVERSITY; VERTEBRATES; GONE;

D O I：

10.1126/science.add2889

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：

Extinct in the Wild (EW) species are placed at the highest risk of extinction under the International Union for Conservation of Nature Red List, but the extent and variation in this risk have never been evaluated. Harnessing global databases of ex situ animal and plant holdings, we report on the perilous state of EW species. Most EW animal species-already compromised by their small number of founders- are maintained at population sizes far below the thresholds necessary to ensure demographic security. Most EW plant species depend on live propagation by a small number of botanic gardens, with a minority secured at seed bank institutions. Both extinctions and recoveries are possible fates for EW species. We urgently call for international effort to enable the latter.

引用

页码：794 / +

页数：16

共 19 条

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