Journal of Guangxi Normal University(Natural Science Edition) ›› 2010, Vol. 28 ›› Issue (4): 90-95.

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Assessment of River Habitat Fragmentation Disturbed by Human Active in Hechi,Guangxi,China

ZHOU Wei1, LIU Kai1, LI Feng-lian2, LAN Jia-hu3   

  1. 1.Faculty of Conservation Biology,Southwest Forestry University,Key Laboratory of Forest Disaster Warning and Control in Yunnan Province,Kunming Yunnan 650224,China;
    2.Wildlife Conservation Society, Guangzhou Guangdong 5102603,China;
    3.Fisheries Bureau of Du'an,Hechi Guangxi 530700,China
  • Received:2010-05-19 Published:2023-02-07

Abstract: This study used the index system of river ecosystem integrity for reference to construct a preliminary index system of river habitat fragmentation,which included 10 indices.By surveying and collecting data,the indices were filtrated and scored.Then an index system of river habitat fragmentation suitable for the area was built,which contained 4 indices.After these indices wereweighted by AHP,the system was used to assess some rivers (reaches) in the area.The result of assessment revealed that the degree of habitat fragmentationin Xiaohuanjiang River was lesser;in Hongshuihe River,Longjiang River and Dahuanjiang River,that was moderate;in Diaojiang River,that was greater.This index system was just a rapid assessment used for the present status of riverhabitat fragmentation in Hechi and its surrounding areas.Some suggestions for river habitat protection were given according to the results of indices survey.

Key words: river, habitat fragmentation, assessment, index system

CLC Number: 

  • X821
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