How pervasive is biotic homogenization in human-modified tropical forest landscapes?

被引：233

作者：

de Castro Solar, Ricardo Ribeiro ^{[1
,2
]}

Barlow, Jos ^{[2
,3
]}

Ferreira, Joice ^{[4
]}

Berenguer, Erika ^{[2
]}

Lees, Alexander C. ^{[3
]}

Thomson, James R. ^{[5
,6
]}

Louzada, Julio ^{[2
,7
]}

Maues, Marcia ^{[4
]}

Moura, Nargila G. ^{[3
]}

Oliveira, Victor H. F. ^{[2
,7
]}

Chaul, Julio C. M. ^{[1
]}

Schoereder, Jose Henrique ^{[1
]}

Vieira, Ima Celia Guimaraes ^{[3
]}

Mac Nally, Ralph ^{[5
]}

Gardner, Toby A. ^{[8
,9
]}

机构：

[1] Univ Fed Vicosa, Dept Biol Geral, BR-36570900 Vicosa, MG, Brazil

[2] Univ Lancaster, Lancaster Environm Ctr, Lancaster LA1 4YQ, England

[3] MCTI Museu Paraense Emilio Goeldi, BR-66040170 Belem, PA, Brazil

[4] Embrapa Amazonia Oriental, BR-66095100 Belem, Para, Brazil

[5] Univ Canberra, Inst Appl Ecol, Bruce, ACT 2617, Australia

[6] Arthur Rylah Inst Environm Res Land Water & Plann, Dept Environm, Melbourne, Vic 3084, Australia

[7] Univ Fed Lavras, Setor Ecol & Conservacao Lavras, BR-37200000 Lavras, MG, Brazil

[8] Stockholm Environm Inst, S-10451 Stockholm, Sweden

[9] Int Inst Sustainabil, BR-22460320 Rio De Janeiro, RJ, Brazil

来源：

ECOLOGY LETTERS | 2015年 / 18卷 / 10期

基金：

澳大利亚研究理事会; 英国自然环境研究理事会;

关键词：

Amazon forest; diversity partitioning; land-cover change; landscape divergence; multi-taxa; nestedness; turnover; BETA-DIVERSITY; BIODIVERSITY; CONSERVATION; COMMUNITIES; COMPONENTS; PROSPECTS; SECONDARY; WINNERS; LOSERS;

D O I：

10.1111/ele.12494

中图分类号：

Q14 [生态学（生物生态学）];

学科分类号：

071012 ; 0713 ;

摘要：

Land-cover change and ecosystem degradation may lead to biotic homogenization, yet our understanding of this phenomenon over large spatial scales and different biotic groups remains weak. We used a multi-taxa dataset from 335 sites and 36 heterogeneous landscapes in the Brazilian Amazon to examine the potential for landscape-scale processes to modulate the cumulative effects of local disturbances. Biotic homogenization was high in production areas but much less in disturbed and regenerating forests, where high levels of among-site and among-landscape -diversity appeared to attenuate species loss at larger scales. We found consistently high levels of -diversity among landscapes for all land cover classes, providing support for landscape-scale divergence in species composition. Our findings support concerns that -diversity has been underestimated as a driver of biodiversity change and underscore the importance of maintaining a distributed network of reserves, including remaining areas of undisturbed primary forest, but also disturbed and regenerating forests, to conserve regional biota.

引用

页码：1108 / 1118

页数：11

共 51 条

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