[1]张博,吴发启*,张正华.泥河沟流域农林复合生态系统景观格局变化研究[J].西北林学院学报,2006,21(06):5.
 ZHANG Bo,WU Faqi,ZHANG Zhenghua.Landscape Pattern Variation of Agroforestry Ecosystem in Nihegou Watershed[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2006,21(06):5.
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泥河沟流域农林复合生态系统景观格局变化研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第21卷
期数:
2006年06期
页码:
5
栏目:
林业生态建设
出版日期:
2006-12-30

文章信息/Info

Title:
Landscape Pattern Variation of Agroforestry Ecosystem in Nihegou Watershed
作者:
张博12吴发启1*张正华3
1.西北农林科技大学 资源环境学院,陕西 杨陵 712100;2.西藏农牧学院 林学系,西藏 林芝860000;3.山东省东营市水利局,山东 东营 257091
Author(s):
ZHANG Bo12WU Faqi1ZHANG Zhenghua3
1.Collage of Research and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;2.Department of Forestry, Tibetan Agriculture and Animal Husbandry College, Linzhi, Tibet 860000, China;3. Department of Water Conservancy, Dongying, Shand
关键词:
泥河沟流域农林复合生态系统景观格局斑块
Keywords:
Nihegou watershed agroforestry ecosystemlandscape patternpatch
分类号:
S727.22
文献标志码:
A
摘要:
以淳化县泥河沟流域为研究对象,利用该区1986年和2004年的土地利用现状图,在Arc/info和Arcveiw软件支持下,对该流域18 a来农林复合生态系统景观格局的变化进行了研究。结果表明,除水域不变外,林地、草地和未利用地面积均减少,其他用地面积有所增加,尤其是居民地企业及交通用地增幅最大,达47.48%;流域的斑块数量减少,斑块形状趋于复杂,多样性指数增加,景观的破碎程度加大,景观格局正朝多极化和破碎化方向发展。
Abstract:
Based on the land use map of 1986 and 2004, changes of the agroforestry ecosystem landscape pattern in Nihegou watershed during the eighteen years were studied by Arcview and Arc/info software in the paper. The results showed that all other kinds of patches except water area changed obviously in area,number,figure etc. The areas of forest land, grassland and nonusing land decreased, however, areas of all others increased, especially the residential land and road area increasd by 47.48%. During 18 years, the total number of patches decreased slightly, the shape of patches became more complex. Both diversity index and fragment index increased. The analysis indicated that the landscape pattern of agroforestry ecosystem in this region was tending towards multipolar and fragmenting development.

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备注/Memo

备注/Memo:
收稿日期:20060428修回日期:20060529基金项目:中国科学院知识创新项目“农果复合型生态农业建设模式示范2”(KZCX1060203)作者简介:张博(1974),男,陕西洛南人,在读硕士,研究方向为流域治理。*通讯作者:吴发启。 Email:wufaqi @263. Net
更新日期/Last Update: 2010-05-04