Species persistence in landscapes with spatial variation in habitat quality: A pair approximation model

doi:10.1016/j.jtbi.2013.06.015

	Species persistence in landscapes with spatial variation in habitat quality: A pair approximation model
	Liao, Jinbao ; Li, Zhenqing 1; Hiebeler, David E.; Iwasa, Yoh 3; Bogaert, Jan 4; Nijs, Ivan
	2013
发表期刊	JOURNAL OF THEORETICAL BIOLOGY
ISSN	0022-5193
卷号	335 页码:22-30
摘要	Habitat degradation has become a major threat to species persistence. Although several models have explicitly integrated habitat quality into metapopulation dynamics, we still lack knowledge of the spatial variability of species persistence which may result from the clustering of habitat patches of differing quality. Here we construct both pair approximation (PA) and cellular automaton (CA) models for species persistence in homogeneous versus heterogeneous landscapes. Heterogeneous landscapes are generated by varying the orthogonal-neighbour correlation between two different-quality habitats. In our simulations, the PA model exhibits similar population dynamics to the CA model, though it overestimates species persistence due to the doublet approximation neglecting correlation beyond nearest neighbours. Generally, landscape heterogeneity enhances species persistence relative to landscape homogeneity, especially with enlarging habitat-quality difference. This indicates that models based on homogeneous landscapes may overestimate species extinction rate. In heterogeneous landscapes, habitat clumping does not influence global dispersers because of random establishment, although it does promote the persistence of local dispersers, especially under severe habitat degradation. However, habitat configurational fragmentation improves the persistence of global dispersers that are highly sensitive to local crowding, probably by reducing density dependence, but this positive fragmentation effect on local dispersers is overshadowed by the stronger negative border effect on impeding local extension. Furthermore, increasing density dependence promotes the extinction risk of local dispersers, while global dispersers are not influenced. For conservation and habitat management, our results suggest that minimising random anthropogenic disturbance should take priority over increasing the connectivity of good-quality habitat, as random habitat degradation poses a more serious threat to species persistence than clustered habitat degradation. Owing to species' diverse responses to habitat configurational fragmentation, landscapes with different properties may accommodate different species. (C) 2013 Elsevier Ltd. All rights reserved.
关键词	Density dependence Habitat arrangement Landscape heterogeneity Species dispersal
学科领域	Biology ; Mathematical & Computational Biology
DOI	10.1016/j.jtbi.2013.06.015
收录类别	SCI
语种	英语
WOS关键词	EXTINCTION THRESHOLDS ; STRUCTURED HETEROGENEITIES ; FRAGMENTED LANDSCAPES ; RELATIVE IMPORTANCE ; PATCH SIZE ; TIME-LAG ; POPULATION ; CONSERVATION ; CONNECTIVITY ; DYNAMICS
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000324447600003
出版者	ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD
文献子类	Article
出版地	LONDON
EISSN	1095-8541
资助机构	Erasmus Mundus project CONNEC ; National Key Basic Research Program of China(National Basic Research Program of China) ; National Science Foundation(National Science Foundation (NSF))
作者邮箱	Li, Zhenqing/AAF-2738-2020 ; Iwasa, Yoh/G-5368-2010
引用统计	被引频次：38[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/28094
专题	植被与环境变化国家重点实验室
作者单位	1.Univ Antwerp, Dept Biol, Res Grp Plant & Vegetat Ecol, B-2610 Antwerp, Belgium 2.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 3.Hiebeler, David E.] Univ Maine, Dept Math & Stat, Orono, ME 04469 USA 4.Kyushu Univ, Dept Biol, Fac Sci, Fukuoka 8128581, Japan 5.Univ Liege, Gembloux Agro Bio Tech, Biodivers & Landscape Unit, B-5030 Gembloux, Belgium
推荐引用方式 GB/T 7714	Liao, Jinbao,Li, Zhenqing,Hiebeler, David E.,et al. Species persistence in landscapes with spatial variation in habitat quality: A pair approximation model[J]. JOURNAL OF THEORETICAL BIOLOGY,2013,335:22-30.
APA	Liao, Jinbao,Li, Zhenqing,Hiebeler, David E.,Iwasa, Yoh,Bogaert, Jan,&Nijs, Ivan.(2013).Species persistence in landscapes with spatial variation in habitat quality: A pair approximation model.JOURNAL OF THEORETICAL BIOLOGY,335,22-30.
MLA	Liao, Jinbao,et al."Species persistence in landscapes with spatial variation in habitat quality: A pair approximation model".JOURNAL OF THEORETICAL BIOLOGY 335(2013):22-30.

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