Assessing the Landscape Dynamics Based on Vector Theory

doi:10.13466/j.cnki.lyzygl.2015.04.022

Abstract

Abstract: Landscape dynamics and driving factors are always hot issues in landscape ecology.To demonstrate the landscape dynamics and the effects of anthropogenic activities,we performed supervised classification on 4 remote sensing images(Landsat TM/ETM)to extract two hierarchical landscape characteristics according to the class indices and landscape metrics vector.A multi-dimension coordinating system was constructed using the neutral landscape model based on the vector theory to analyze the changes of class and landscape characteristics via EUD and CAD.We found that the anthropogenic activities may affect the landscape succession by improving anthropogenic landscape or further randomizing the landscape distribution.In the process of landscape succession,the rate and direction of change were inconsistent for different hierarchical landscapes and only the urban change process remained consistent with the general landscape.

Key words: 3S, vector theory, EUD, CAD, neutral landscape model, landscape dynamics

CLC Number:

Q149
TP79

ZAHNG Jinrui, LOU Huipin. Assessing the Landscape Dynamics Based on Vector Theory[J]. FOREST RESOURCES WANAGEMENT, 2015, 0(4): 129-133.

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