The Simulation of Water Level for Crane Habitat Optimization in Xianghai National Nature Reserve

  • Northeast Institute of Geography and Agricultural Ecology, CAS, Changchun 130012, China

Received date: 2002-04-06

  Revised date: 2002-10-17

  Online published: 2003-03-25

Supported by

The project of CAS, No.ZKHZ-03-06; Knowledge Innovation Project of CAS, No.KZCX1-Y-02


The probability of crane living in reedy wetlands can reach 100%, at the same time, the area of reed, the water level and adjacent water area are main factors which control the crane's habitat selection. We all know that all these factors are spatially heterogenous. For the sake of Xianghai wetland safety and of protecting the Xianghai wetland habitat of crane, this paper mainly has found a method to solve these problems. The wetland information is extracted from the TM images, which reflect the whole wetland landscape and are very important for both quantitative analysis of remote sensing observation of the earth system and positioning analysis in GIS database that is automatically extracted from DEM. The DEM for Xianghai characteristics of topography is created. On the basis of the GRID SUBMODULE, applying the GIS spatial overlay analysis, the relationship between the water level and the reed area below the water level and the rating distribution maps of reed area above water level is established. When the water level reaches the altitude of 16 m, the reed area, 981.2 hm2, is the maximum, i.e., the water level of 165 m is the optimal.

Cite this article

ZHANG Yanhong, LIU Zhaoli, DENG Wei, ZHANG Shuwen, ZHAI Jinliang . The Simulation of Water Level for Crane Habitat Optimization in Xianghai National Nature Reserve[J]. Acta Geographica Sinica, 2003 , 58(2) : 263 -270 . DOI: 10.11821/xb200302014


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