The objective of this research is to analysis wetland ecosystem health status of the core region of Lashihai Lake in Yunnan Province. Indictors that have impacts on ecosystem health were considered using the Analytic Hierarchy Process (AHP) methods. The integrated spatial analysis model was constructed to meet the requirements such as scientific research, systematicness and feasibility as well as data availability. Firstly, the indicators and indicator system were established based on the current status and characteristics of Lashihai Lake ecosystem, combined with series of items such as ecosystem functions monitor and indices under the principle of systematicness, scientificalness and feasibility. Secondly, using the AHP method, an integrated spatial analysis model for Lashihai ecosystem health study was constructed comprehensively and the 6-level assessment criterion has been established. Finally, the data-driven model run with existing data context and the weight of each indicators were calculated, and the spatial distribution of Lashihai Lake ecosystem health status were demonstrated by mapping.The research results show that ecosystem health in Lashihai Lake wetland is good, by there is no very stable and extreme stable region. The stable region is about 61% of the whole areas, and 39% of the areas is vulnerable area that should be paid more attention in future development. Especially, the eco-tourism developing activities across the lakeside region should be given scientific planning and proper management. The indicators and indicator system selected in this paper fit the true circumstances of Lashihai Lake region. The results can guide future planning in this region for both ecosystem management and economic development.
MA Liguang, CAO Yanrong, LI Xintong
. Assessment of Ecosystem Health in Lashihai Lake Using AHP Method[J]. Journal of Geo-information Science, 2011
, 13(2)
: 234
-239
.
DOI: 10.3724/SP.J.1047.2011.00234
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