NDLI: Synchrony of spatial populations: heterogeneous population dynamics and reddened environmental noise

Content Provider	Springer Nature Link
Author	Liu, Zhiguang Gao, Meng Li, Zizhen Zhu, Gaofeng
Copyright Year	2008
Abstract	Many species exhibit widespread spatial synchrony in population fluctuations. This pattern is of great ecological interest and can be a source of concern when a species is rare or endangered. Moran’s theorem suggests that if two (or more) populations sharing a common linear density-dependence in the renewal process are disturbed with correlated noise, they will become synchronized with correlation matching the noise correlation. In this report, correlation of nonidentical populations that are described by linear and stationary autoregressive processes is analyzed. We show that the expected spatial synchrony between two populations can be decomposed into two multiplicative components. One is the demographic component related to the values of the autoregressive coefficients and the noise color. The other is the spatial correlation of the environmental colored noise. The main results are consistent with the predictions of previous experiments and simulations, and the importance of this report is to provide theoretical support.
Starting Page	221
Ending Page	226
Page Count	6
File Format	PDF
ISSN	14383896
Journal	Population Ecology
Volume Number	51
Issue Number	1
e-ISSN	1438390X
Language	English
Publisher	Springer Japan
Publisher Date	2008-11-28
Publisher Place	Japan
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	AR processes Colored noise Moran effect Spatial synchrony Forestry Behavioural Sciences Evolutionary Biology Plant Sciences Zoology Ecology
Content Type	Text
Resource Type	Article
Subject	Ecology, Evolution, Behavior and Systematics

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