Arid
DOI10.1016/j.scitotenv.2018.03.037
Increased anthropogenic disturbance and aridity reduce phylogenetic and functional diversity of ant communities in Caatinga dry forest
Arnan, Xavier1,2; Arcoverde, Gabriela B.3; Pie, Marcio R.4; Ribeiro-Neto, Jose D.1,5; Leal, Inara R.6
通讯作者Arnan, Xavier
来源期刊SCIENCE OF THE TOTAL ENVIRONMENT
ISSN0048-9697
EISSN1879-1026
出版年2018
卷号631-632页码:429-438
英文摘要

Anthropogenic disturbance and climate change are major threats to biodiversity. The Brazilian Caatinga is the world’s largest and most diverse type of seasonally dry tropical forest. It is also one of the most threatened, but remains poorly studied. Here, we analyzed the individual and combined effects of anthropogenic disturbance (three types: livestock grazing, wood extraction, and miscellaneous use of forest resources) and increasing aridity on taxonomic, phylogenetic and functional ant diversity in the Caatinga. We found no aridity and disturbance effects on taxonomic diversity. In spite of this, functional diversity, and to a lesser extent phylogenetic diversity, decreased with increased levels of disturbance and aridity. These effects depended on disturbance type: livestock grazing and miscellaneous resource use, but not wood extraction, deterministically filtered both components of diversity. Interestingly, disturbance and aridity interacted to shape biodiversity responses. While aridity sometimes intensified the negative effects of disturbance, the greatest declines in biodiversity were in the wettest areas. Our results imply that anthropogenic disturbance and aridity interact in complex ways to endanger biodiversity in seasonally dry tropical forests. Given global climate change, neotropical semi-arid areas are habitats of concern, and our findings suggest Caatinga conservation policies must prioritize protection of the wettest areas, where biodiversity loss stands to be the greatest. Given the major ecological relevance of ants, declines in both ant phylogenetic and functional diversity might have downstream effects on ecosystem processes, insect populations, and plant populations. (C) 2018 Elsevier B.V. All rights reserved.


英文关键词Ants Caatinga Climate change Environmental filtering Functional diversity Anthropogenic disturbance Morphological traits Phylogenetic diversity Rainfall
类型Article
语种英语
国家Brazil ; Spain ; Australia
收录类别SCI-E
WOS记录号WOS:000432471900045
WOS关键词CLIMATE-CHANGE ; BRAZILIAN CAATINGA ; SPECIES RICHNESS ; HYMENOPTERA-FORMICIDAE ; TROPICAL FOREST ; GLOBAL PATTERNS ; BIODIVERSITY ; CONSERVATION ; HABITAT ; ASSEMBLAGES
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/213012
作者单位1.Univ Fed Pernambuco, Programa Posgrad Biol Vegetal, Av Prof Moraes Rego S-No, BR-50670901 Recife, PE, Brazil;
2.CREAF, Campus UAB, ES-08193 Cerdanyola Del Valles, Catalunya, Spain;
3.Charles Darwin Univ, Res Sch Environm & Livelihoods, Darwin, NT 0909, Australia;
4.Univ Fed Parana, Dept Zool, Caixa Postal 19020, BR-81531980 Curitiba, Parana, Brazil;
5.Univ Fed Paraiba, Ctr Ciencias Agr, Dept Fitotecnia & Ciencias Ambientais, Rodovia PB-079, BR-58397000 Areia, PB, Brazil;
6.Univ Fed Pernambuco, Dept Bot, Av Prof Moraes Rego S-No, BR-50670901 Recife, PE, Brazil
推荐引用方式
GB/T 7714
Arnan, Xavier,Arcoverde, Gabriela B.,Pie, Marcio R.,et al. Increased anthropogenic disturbance and aridity reduce phylogenetic and functional diversity of ant communities in Caatinga dry forest[J],2018,631-632:429-438.
APA Arnan, Xavier,Arcoverde, Gabriela B.,Pie, Marcio R.,Ribeiro-Neto, Jose D.,&Leal, Inara R..(2018).Increased anthropogenic disturbance and aridity reduce phylogenetic and functional diversity of ant communities in Caatinga dry forest.SCIENCE OF THE TOTAL ENVIRONMENT,631-632,429-438.
MLA Arnan, Xavier,et al."Increased anthropogenic disturbance and aridity reduce phylogenetic and functional diversity of ant communities in Caatinga dry forest".SCIENCE OF THE TOTAL ENVIRONMENT 631-632(2018):429-438.
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