Effects of Grain Change on Landscape Metrics of Landuse in Small Watershed on Loess Plateau

LIU De-lin; FANG Xuan; LI Bi-cheng

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Effects of Grain Change on Landscape Metrics of Landuse in Small Watershed on Loess Plateau

- Effects of Grain Change on Landscape Metrics of Landuse in Small Watershed on Loess Plateau
- Bulletin of Soiland Water Conservation Vol. 32, Issue 4, Pages: 206-210(2013)
- 作者机构：
  
  1. 河南理工大学应急管理学院,河南,焦作,454000
  2. 中国科学院教育部水土保持与生态环境研究中心, 陕西杨陵,712100
  3. 宿迁学院,江苏,宿迁,223800
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013
- 稿件说明：
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LIU De-lin, FANG Xuan, LI Bi-cheng. Effects of Grain Change on Landscape Metrics of Landuse in Small Watershed on Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2013, 32(4): 206-210.
DOI：

LIU De-lin, FANG Xuan, LI Bi-cheng. Effects of Grain Change on Landscape Metrics of Landuse in Small Watershed on Loess Plateau[J]. Bulletin of Soiland Water Conservation, 2013, 32(4): 206-210. DOI：

摘要

以黄土高原上黄小流域1982-2008年的6期土地利用矢量图为基础

运用GIS和Fragstats软件计算并研究了黄土高原小流域尺度下景观格局指数随粒度增加的变化特征。结果表明

上黄小流域土地利用的大部分景观格局指数存在粒度效应。根据景观格局指数随粒度增加所表现的变化趋势可分为5大类型;就1:1万比例尺下的土地利用类型/景观图而言

其景观格局指数的适宜粒度范围为5~15m

其粒度效应主要受制图比例尺控制而与土地利用变化关系不大。

Abstract

Based on the six land use maps from 1982to 2008of the Shanghuang watershed

the landscape metrics on landscape scale was calculated by using GIS and Fragstats 3.3software.And the characteristics of grain changes of these metrics were studied.The results showed that most of these landscape metrics have grain effects

and could be divided into 5different types according to their change characteristics with the increase of grain.The appropriate grain range of landscape metrics was 5~15mat the 1:10 000scale

and their grain effects were mainly controlled by the mapping scale rather than the change of land use

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