Dispersal-limited zooplankton distribution and community composition in new ponds

被引:46
作者
Jenkins, DG [1 ]
机构
[1] VIRGINIA POLYTECH INST & STATE UNIV,DEPT BIOL,BLACKSBURG,VA 24061
关键词
colonization; rotifers; zooplankton; vagility; dispersal; metapopulations;
D O I
10.1007/BF00025926
中图分类号
Q17 [水生生物学];
学科分类号
071004 ;
摘要
Twelve new experimental ponds were constructed identically, filled simultaneously, had similar physical and chemical properties, and were maintained with minimal manipulation. Colonizing zooplankton communities were sampled bi-weekly for one year. Rotifers dominated zooplankton communities in densities, biomass, and species number (47 of 61 observed species were rotifers). Only 14 species were observed in all 12 ponds; 9 were rotifers. Twenty-nine species (26 rotifers) were recorded in less than or equal to 6 ponds. Species with high vagility exhibited greater viability. Ponds differed in zooplankton community composition throughout the year, due to differences in both vagility and viability among colonizing species.
引用
收藏
页码:15 / 20
页数:6
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