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Den Habitat Selection of China Bamboo-rat(Rnizomys sinehsis) in Spring

【摘要】:China Bamboo-rat is a special economic wildlife,has great medicinal、economic、and edible value.Den Habitat Selection of the China Bamboo-rat(R..sinehsis)was investigated in Yuanbaoshan Nature Reserve,Guangxi from January to April 2009.Thirteen ecological factors were recorded in 10 m×10 m plots of 85 samples(including 54 used samples and 31 unused samples).The data were analyzed by frequency analysis and Mann-Whitney U test showed that:the difference amongst canopy density;distance to human disturbance;shelter of wind;shrub density;distance to shrubs;elevation;and food abundance were significant(P0.05);the difference amongst water distance;slope;aspect;slope position;tree density;tree distance were not significant(P0.05).The habitat selection shared the following ecological factors:well canopy density;far away to water(more than 500m);slope among 20 degree to 40 degree;well shelter of wind;aspect toward east or south;Slope position with uphill or middle place;well food richness;human disturbance distance more than 1000m;elevation more than 1800m;tree density is less than 30(indiv./plot);shrub density about 1000-5000m;distance to tree about 2-5m;distance to shrubs less than 0.1m,Principle Component Analysis indicated that:shelter;water; geography;human disturbance and food abundance affecting the habitat character of China Bamboo-rat in spring.

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