Nested subset patterns of species composition in a pond-dwelling fish fauna |
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| Authors: | Yoshito Mitsuo Hiroshi Tsunoda Mitsuru Ohira Makie Doi Yutaro Senga |
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| Institution: | (1) Faculty of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan;(2) Graduate School of Agriculture, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan;(3) Institute of Symbiotic Science and Technology, Tokyo University of Agriculture and Technology, 3-5-8 Saiwai-cho, Fuchu, Tokyo 183-8509, Japan |
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| Abstract: | Our objectives are to examine the influence of the difference in stress tolerance among species on patterns of nestedness
and to test whether a set of several small ponds supports more species than a few large ponds of equal area. Although fish
species assemblages for each group of all fish, tolerant and intolerant species were significantly nested, intolerant species
showed stronger nested tendency than tolerant species, suggesting that the tolerance of species can influence the patterns
of nestedness. These results suggest that the tolerance of species can influence the patterns of nestedness. As for the comparison
of cumulative species richness in small ponds and large ponds, although small ponds supported more species for tolerant species,
there was little difference for intolerant species. |
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