DIVERSE AND CONTRASTING EFFECTS OF HABITAT FRAGMENTATION

被引:266
作者
ROBINSON, GR
HOLT, RD
GAINES, MS
HAMBURG, SP
JOHNSON, ML
FITCH, HS
MARTINKO, EA
机构
[1] UNIV KANSAS,DEPT SYSTEMAT & ECOL,LAWRENCE,KS 66045
[2] RUTGERS STATE UNIV,DEPT BIOL SCI,PISCATAWAY,NJ 08855
[3] UNIV KANSAS,MUSEUM NAT HIST,LAWRENCE,KS 66045
[4] UNIV KANSAS,ENVIRONM STUDIES PROGRAM,LAWRENCE,KS 66045
关键词
D O I
10.1126/science.257.5069.524
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Different components of an ecosystem can respond in very different ways to habitat fragmentation. An archipelago of patches, representing different levels of fragmentation, was arrayed within a successional field and studied over a period of 6 years. Ecosystem processes (soil mineralization and plant succession) did not vary with the degree of subdivision, nor did most measures of plant and animal community diversity. However, fragmentation affected vertebrate population dynamics and distributional patterns as well as the population persistence of clonal plant species. The results highlight the dangers of relying on broad community measures in lieu of detailed population analyses in studies of fragmented habitats.
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页码:524 / 526
页数:3
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