三江平原桦南县景观格局时序变化与驱动因素研究

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Abstract

Based on RS and GIS technology,incorporating topographic maps and Landsat MSS and TM data,the dynamic characteristics of landscape patterns were analyzed in Huanan County,Sanjiang Plain from 1954 to 2005.In addition,driving forces affecting these changes were also explored.Results showed that,during the past 50 years,landscape patterns have undergone significant changes.Cropland and woodland are the two biggest landscape types.After 1986,cropland have become the biggest landscape type of the study area.During the period 1954~1976,cropland increased fast,mainly converted from grassland and swampland.From 1976 to 1986,lots of swampland and woodland were transformed into cropland.Changing trend of landscape area was lessened.Landscape indices changed remarkably in the past decades.Large-scale agricultural development was responsible for changes of landscape indices.Climate warming and increase of human activities affected regional landscape patterns.

Key words： Remote sensing geographic information systems landscape indices driving forces

Received: 25 October 2007

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	Articles by authors
	WANG Zong-ming
	SONG Kai-shan
	LIU Dian-wei
	ZHANG Bai
	ZHANG Shu-qing
	LI Fang
	LIU Huan-jun

Cite this article:

WANG Zong-ming,SONG Kai-shan,LIU Dian-wei, et al. Changes in landscape patterns and driving forces in Huanan County, Sanjiang Plain, over the past 50 years[J]. , 2007, 26(5): 401-407.

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http://www.ecolsci.com/EN/ OR http://www.ecolsci.com/EN/Y2007/V26/I5/401

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[1]	. [J]. Ecological Science, 2020, 39(3): 49-.