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Impacts on Landscape Diversity of Wetlands Within Honghe Nature Reserve by its Surrounding Area Land Use(PDF)

《南京师大学报（自然科学版）》[ISSN:1001-4616/CN:32-1239/N]

Issue:
2007年03期
Page:
117-121
Research Field:
地理学
Publishing date:

Info

Title:
Impacts on Landscape Diversity of Wetlands Within Honghe Nature Reserve by its Surrounding Area Land Use
Author(s):
Bai Yunfang1; Li Sudong2; Liu Hongyu3
1.Faculty of Civil Engineering and Architecture,Kunming University of Science and Technology,Kunming 650224,China
2. Zhenyuan GIS Engineering Company of Shandong, J inan 250014, China
3. School of Geographical Science, Nanjing Normal University, Key Lab of Environment Change and Ecology Construction, Nanjing 210046, China
Keywords:
land use;  wetland nature reserve;  impact
PACS:
P901
DOI:
-
Abstract:
Land use change of surrounding Honghe Nature Reserve in the past decades has been studied based on historical map s, remote sensing data and app lying GIS techniques. Detailed investigation on draining engineering around Honghe nature reserve has been conducted for this study. The results show that: (1) The high strength land reclamation surrounding Honghe Nature Reserve has p roduced 60 km wetlands lost every year since 1983; ( 2) decline of wetland landscape diversity in Honghe Nature Re serve indicated that the original relationship between Honghe Nature Reserve and its surrounding area has been isolated by land use change; (3) water recharge from watershed to Honghe Nature Reserve has been comp letely lost due to draining activities in the surrounding area. The phenomena has already seriously threatened biodiversity of Honghe Nature Reserve; (4) restoreing some area of wetlands in surrounding area of Honghe Nature Reserve to maintain the landscape connectivity with its surrounding area, and re storing hydrological condition of Nature Reserve are available app roaches to facilitate the conservation of benefits for Honghe Nature Reserve.

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Last Update: 2013-05-05