Minimum sampling area and species richness of riparian community in Erdaobaihe forested watershed

Abstract

Abstract: Riparian zone is an important component of small forested watershed. Due to the integrate effects of stream water and edge effect, there are obvious difference in composition, structure, and distribution pattern between riparian community and non-riparian community. Community minimum sampling areas are also different. In this study, minimum sampling areas of riparian community in original broad-leaved and Korean pine forest in Changbai Mountain were studied by using species-area curve. At the same time, species richness of riparian community was discussed. The results showed that the minimum sampling areas of riparian plant community were smaller than those of the non-riparian community. According to the original broad-leaved and Korean pine forest in Changbai Mountain, the average community minimum sampling areas in riparian zone of three plots including 60%,80%,and 90% of community species were about 80 m²,180 m², and 320 m², respectively. And then, those of forest community were about 260 m², 380 m², and 480 m² correspondingly. The results also showed that the species richness of riparian community was higher than that of non-riparian community.

Key words: Riparian, Species-area curve, Minimum sampling area, Species richness, Broad-leaved and Korean pine forest, Forested watershed, rotation cropping, sorghum, soil environment, microbial community, continuous cropping obstacle.

CLC Number:

S718.54⁺2

DAI Limin, WANG Qingchun, DENG Hongbing, CHEN Gao, WANG Qingli . Minimum sampling area and species richness of riparian community in Erdaobaihe forested watershed[J]. Chinese Journal of Applied Ecology, 2002, (6): 641-645.

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