[1]汤庆新,刘子亭,周万村.五十年来龙河流域景观格局变化分析研究[J].水土保持研究,2011,18(03):48-50.
　TANG Qing-xin,LIU Zhi-ting,ZHOU Wan-cun.Research on the Changes of Landscape Pattern over the Last Five Decades in Watershed of Longhe River[J].Research of Soil and Water Conservation,2011,18(03):48-50.
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五十年来龙河流域景观格局变化分析研究

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 18 期数: 2011年03期 页码: 48-50 栏目: 出版日期: 2011-06-20
Title:
Research on the Changes of Landscape Pattern over the Last Five Decades in Watershed of Longhe River
作者:
汤庆新1, 刘子亭1, 周万村2
1. 聊城大学 环境与规划学院, 山东 聊城 252059;
2. 中国科学院 成都山地灾害与环境研究所, 成都 610041
Author(s):
TANG Qing-xin1, LIU Zhi-ting1, ZHOU Wan-cun2
1. College of Environment and Planning, Liaocheng University, Liaocheng, Shandong 252059, China;
2. Chengdu Institute of Mountain Disaster and Environment, CAS, Chengdu 610041, China
关键词:
景观格局;  龙河流域; 空间分析
Keywords:
landscape pattern; watershed of Long River; spatial analysis
分类号:
P901
摘要:
运用GIS的空间分析和景观生态学的数量分析方法，通过Arcinfo和Fragstats软件，分析了三峡库区龙河流域50a来的景观格局变化。结果表明：通过对该区斑块类型级别指标的分析，得出耕地的斑块数量从1953年的499个增加到1986年的820个而后又减少到2000年的780个，景观形状指数从1953年的52.72增加到1986年的66.64而后又减少到2000年的64.18；林地和草地的斑块数量1953-1986年增加，1986-2000年减少，破碎度也随之先增大后减小；建设用地斑块数目从1953年的24个增加到2000年的46个，景观形状指数从1953年的6.92增加到2000年的12.18。从流域景观级别上分析得到，流域内的整体斑块密度从1953年的0.56增加到1986年的0.61，而后下降到2000年的0.59，整个流域的形状指数从1953年的45.75持续增加到2000年到50.35，说明人类活动对该区的影响日益增强。
Abstract:
The changes of landscape in the latest fifty years were analyzed based on the method of GIS spatial analysis and ecological quantity analysis through Arcinfo and Fragstats.The results indicated that:the analysis on the index of patch showed that the spot number of cultivated land firstly increased from 499 in 1953 to 820 in 1986 and then decreased to 780 in 2000.The LSI of cultivated land increased from 52.72 in 1953 to 66.64 in 1986 and decreased to 64.18 in 2000,and the fragmental degree of cultivated land firstly became larger and then became smaller;the number of forestland and grass spot land firstly increased and then decreased,their fragmental degrees firstly became bigger and then smaller;the number of spots of construction land increased from 24 in 1953 to 46 in 2000,and fragmental degree of construction land also increased from 6.92 in 1953 to 12.18 in 2000.The analysis on index of landscape showed that the PD increased from 0.56 in 1953 to 0.61 in 2000 and then decreased to 0.59 in 2000.Its shape index increased from 45.75 in 1953 to 50.35 in 2000.It showed that human influence on this area increased.

参考文献/References:

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[3] 刘宗群.三峡库区万县市城市景观的生态研究[J].城市环境与城市生态,1994,7(2):11-16.
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备注/Memo

收稿日期:2010-10-29;改回日期:2010-12-20。
基金项目:中科院知识创新方向性项目“长江上游地表覆被变化及信息系统”（KZCXZ-SW-319）;山东省自然科学基金（2006ZX10（6LB508）;山东省优秀中青年科学家科研奖励基金（2007BS08026）
作者简介:汤庆新（1981- ），男，山东阳谷人，硕士，讲师，主要从事3S技术及景观生态应用研究。E-mail：tangqingxin@eyou.com

更新日期/Last Update: 1900-01-01