Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1111/gcb.13734 |
Colour polymorphism is associated with lower extinction risk in birds | |
Ducatez, Simon1,2,3; Giraudeau, Mathieu4,5; Thebaud, Christophe6,7; Jacquin, Lisa2,6,7 | |
2017-08-01 | |
发表期刊 | GLOBAL CHANGE BIOLOGY
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ISSN | 1354-1013 |
EISSN | 1365-2486 |
出版年 | 2017 |
卷号 | 23期号:8 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia; Canada; Spain; USA; England; France |
英文摘要 | Colour polymorphisms have played a major role in enhancing current understanding of how selection and demography can impact phenotypes. Because different morphs often display alternative strategies and exploit alternative ecological niches, colour polymorphism can be expected to promote adaptability to environmental changes. However, whether and how it could influence populations' and species' response to global changes remains debated. To address this question, we built an up-to-date and complete database on avian colour polymorphism based on the examination of available data from all 10,394 extant bird species. We distinguished between true polymorphism (where different genetically determined morphs co-occur in sympatry within the same population) and geographic variation (parapatric or allopatric colour variation), because these two patterns of variation are expected to have different consequences on populations' persistence. Using the IUCN red list, we then showed that polymorphic bird species are at lesser risk of extinction than nonpolymorphic ones, after controlling for a range of factors such as geographic range size, habitat breadth, life history, and phylogeny. This appears consistent with the idea that high genetic diversity and/or the existence of alternative strategies in polymorphic species promotes the ability to adaptively respond to changing environmental conditions. In contrast, polymorphic species were not less vulnerable than nonpolymorphic ones to specific drivers of extinction such as habitat alteration, direct exploitation, climate change, and invasive species. Thus, our results suggest that colour polymorphism acts as a buffer against environmental changes, although further studies are now needed to understand the underlying mechanisms. Developing accurate quantitative indices of sensitivity to specific threats is likely a key step towards a better understanding of species response to environmental changes. |
英文关键词 | colour polymorphism conservation status extinction threats genetic diversity habitat alteration invasive species IUCN red list phylogenetic generalized linear mixed model |
领域 | 气候变化 ; 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000404863300008 |
WOS关键词 | IUCN RED LIST ; POPULATION DECLINES ; GENETIC DIVERSITY ; CLIMATE-CHANGE ; EVOLUTION ; CONSERVATION ; VERTEBRATES ; CONSEQUENCES ; MAINTENANCE ; STRATEGIES |
WOS类目 | Biodiversity Conservation ; Ecology ; Environmental Sciences |
WOS研究方向 | Biodiversity & Conservation ; Environmental Sciences & Ecology |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/17646 |
专题 | 气候变化 资源环境科学 |
作者单位 | 1.Univ Sydney, Sch Biol Sci, Sydney, NSW, Australia; 2.McGill Univ, Dept Biol, Montreal, PQ, Canada; 3.CREAF, Cerdanyola Del Valles, Spain; 4.Arizona State Univ, Sch Life Sci, Tempe, AZ USA; 5.Univ Exeter, Coll Life & Environm Sci, Ctr Ecol & Conservat, Penryn, England; 6.Univ Toulouse 3 Paul Sabatier, Lab Evolut & Diversite Biol, UMR EDB 5174, CNRS,ENFA, Toulouse, France; 7.Univ Paul Sabatier, CNRS, UMR EDB 5174, Toulouse, France |
推荐引用方式 GB/T 7714 | Ducatez, Simon,Giraudeau, Mathieu,Thebaud, Christophe,et al. Colour polymorphism is associated with lower extinction risk in birds[J]. GLOBAL CHANGE BIOLOGY,2017,23(8). |
APA | Ducatez, Simon,Giraudeau, Mathieu,Thebaud, Christophe,&Jacquin, Lisa.(2017).Colour polymorphism is associated with lower extinction risk in birds.GLOBAL CHANGE BIOLOGY,23(8). |
MLA | Ducatez, Simon,et al."Colour polymorphism is associated with lower extinction risk in birds".GLOBAL CHANGE BIOLOGY 23.8(2017). |
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