|Table of Contents|

Application of analytic hierarchy process in wetland degradation research(PDF)

Chinese Journal of Applied & Environmental Biology[ISSN:1006-687X/CN:51-1482/Q]

Issue:
2019 01
Page:
46-52
Research Field:
Articles
Publishing date:

Info

Title:
Application of analytic hierarchy process in wetland degradation research
Author(s):
WANG Yuanyun1 2 HE Yixin1 JU Peijun1 2 ZHU Qiu’an3 LIU Jianliang1 & CHEN Huai1**
1 Chengdu Institute of Biology, Chinese Academy of Sciences, Chengdu 610041, China 2 College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, China 3 College of Forestry, Northwest Agriculture and Forestry University, Yangling 712100, China
Keywords:
Zoige plateau wetland area change Analytic Hierarchy Process (AHP) driving factor
CLC:
Q14
PACS:
DOI:
10.19675/j.cnki.1006-687x.2018.03042
DocumentCode:

Abstract:
Climate change and human activity have changed the Zoige wetland area significantly. However, how the area has varied in the past 30 years remains poorly understood. This study quantified the variation tendency and rate of the Zoige wetland area from 1978 to 2008 with Arcgis and analyzed the driving factors using the Analytic Hierarchy Process (AHP) methods. The result showed that the Zoige wetland area decreased by 12.83% from 1978 (6 170 km2) to 2008 (5 379 km2), with a decreasing rate of 0.43% per year. We found that overgrazing, drainage, precipitation change, rodent damage, and population growth were the main driving factors of the decrease in the area of the Zoige wetland, with the driving weights of 0.380 1, 0.157 3, 0.138 6, 0.075 2, and 0.073 3, respectively. In conclusion, we found that the Zoige wetland area has degraded continuously in the past 30 years because of the co-function of natural factors and human activity.

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Last Update: 2019-02-25