Interspecies associations and species-habitat associations in the evergreen broad-leaved forest of Tiantong National Forest Park, Zhejiang

doi:10.3969/j.issn.1000-5641.201931004

Abstract

Abstract: The objective of this study was to clarify the relationship between interspecies associations and species habitat preferences in Tiantong National Forest Park. A total of 109 species of 20 hm² evergreen broad-leaved forest plots were selected and tested for interspecies associations and species-habitat associations. The results indicated that: ① the ratio of species pairs with significant associations increased with spatial scale and the ratio of negative associations was higher than positive; ② 89.9% of species were significantly correlated with at least one habitat variable, including 73.4% of species positively and 65.1% of species negatively correlated with habitats; ③ at scales larger than 20 m, the results of interspecies associations were consistent with those of species pair habitat preferences; but at smaller scales (i.e., < 5 m), most species pairs did not show significant interspecies associations, indicating there are not habitat preferences but rather other ecological processes influencing interspecies association patterns. The results provide a theoretical basis for further understanding the mechanism of species coexistence in evergreen broad-leaved forests.

Key words: interspecies association, habitat preference, point pattern, scale, wood plants, Tiantong National Forest Park

CLC Number:

Q948

YANG Qingsong, LIU Heming, ZHU Tongtong, ZHANG Shouhe, WANG Xihua. Interspecies associations and species-habitat associations in the evergreen broad-leaved forest of Tiantong National Forest Park, Zhejiang[J]. Journal of East China Normal University(Natural Science), 2020, 2020(2): 110-119.

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