J4 ›› 2009, Vol. 39 ›› Issue (5): 899-906.

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Study on Landscape Spatial Pattern Topography Distribution and Its Ecological Effects based on GIS-A Case Study in Maoershan Region in Heilongjiang Province

GONG Wen-feng1,DU Chong1,FAN Wen-yi2   

  1. 1.College of Hydraulic and Electrical Engineering,Heilongjiang University,Harbin 150086,China;2.College of Forest, Northeast Forestry University, Harbin 150040,China
  • Received:2009-03-24 Online:2009-09-26 Published:2009-09-26

Abstract:

Terrain niche index was used to describe the regional terrain difference and nondimensional distribution index was used to quantitatively analyze the spatial distribution characteristics based on the spatial information of landscape components. The characteristics of landscape spatial distribution was proclaimed by the terrain difference and the ecological model was used to study the integrated ecological effect and environment ecological quality of land use with the assignment of the value of landscape components.The result showed that the regional landscape pattern of nature landscape plays a leading role and the artificial landscape takes the second place, while the role of half-natural landscape is dominance. In terrain niche,the spatial distribution of different landscape components has obvious difference and the competition of landscape component in lower district is obvious with centralized distribution.While in higher district,the existence of some landscape components is restricted with single distribution. Nature landscape, natural and artificialmade landscape and artificial landscape has priority in the area of good,medium and bad environment respectively.

Key words: landscape pattern, terrain niche index, distribution index, ecological environment quality

CLC Number: 

  • TP79
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