The impact of interannual rainfall variability on the spatial and temporal patterns of vegetation in a water-limited ecosystem

被引：39
|
作者：
Fernandez-Illescas, CP [1 ]
Rodriguez-Iturbe, I [1 ]
机构：
[1] Princeton Univ, Dept Civil & Environm Engn, Princeton, NJ 08544 USA
来源：
ADVANCES IN WATER RESOURCES | 2004年 / 27卷 / 01期
基金：
美国国家科学基金会;
关键词：
interannual rainfall variability; soil moisture; plant competition; local dispersal; vegetation patterns;
D O I：
10.1016/j.advwatres.2003.05.001
中图分类号：
TV21 [水资源调查与水利规划];
学科分类号：
081501 ;
摘要：
A hydrologically driven hierarchical competition-colonization model is applied in an spatially explicit manner to investigate the effect of temporal (e.g., interannual rainfall fluctuations) and spatial (e.g., local dispersal) processes on vegetation patterns. Results suggest that interannual rainfall fluctuations extend the range of dispersal distances that result in spatial organization (e.g., clustering, self-similarity) and proportional abundances of vegetation different from those expected for the globally dispersing case. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：83 / 95
页数：13
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