[1]陈忞忞,刘俊国*. 黄旗海流域景观格局动态分析[J].西北林学院学报,2014,29(03):165-170.[doi:doi:10.3969/j.issn.1001-7461.2014.03.33]
 CHEN Min-min,LIU Jun-guo*. Landscape Dynamics in the Huangqihai Lake Basin from 1976 to 2010[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2014,29(03):165-170.[doi:doi:10.3969/j.issn.1001-7461.2014.03.33]
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 黄旗海流域景观格局动态分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第29卷
期数:
2014年03期
页码:
165-170
栏目:
出版日期:
2014-05-30

文章信息/Info

Title:
 Landscape Dynamics in the Huangqihai Lake Basin from 1976 to 2010
文章编号:
1001-7461(2014)03-0165-06
作者:
 陈忞忞刘俊国*
 (北京林业大学 自然保护区学院,北京 100083)
Author(s):
 CHEN Min-minLIU Jun-guo*
 (College of Nature Conservation, Beijing Forestry University, Beijing 100083, China)
关键词:
 农牧交错区黄旗海流域景观格局驱动力
Keywords:
 agriculture and pasture interlaced zone Huangqihai Lake Basin landscape pattern driving force
分类号:
S759
DOI:
doi:10.3969/j.issn.1001-7461.2014.03.33
文献标志码:
A
摘要:
 农牧交错带处于气候上的过渡区和生态系统上的脆弱地带,在气候变化和人类活动双重影响下,土地景观格局发生了巨大变化。利用1976、1987、1993、1999、2006和2010年遥感影像,运用ENVI 4.7、ArcGIS 9.3 和FRAGSTATS 3.3,分析农牧交错带黄旗海流域景观格局变化及其驱动力。结果表明,1976—2010年间,耕地和建设用地等人工景观的面积不断扩增,草地和湿地等自然景观面积大量萎缩,其中,湿地面积从193.5 km2减为52.9 km2,减少了73%。在景观水平上,选取斑块密度、景观形状指数、蔓延度和香农多样性指数分析景观格局。34年间流域景观形状变得复杂,异质性程度增加,景观破碎化加剧,作为优势景观类型的草地对整个景观的控制作用减小。人类活动是黄旗海流域景观变化的主要驱动力。人口增加和农牧业发展使建设用地和耕地大规模扩增,经济增长需要消耗大量水资源,人工水利设施的建设改变了流域水资源的自然配置,使得湿地资源大量消失。
Abstract:
 Agriculture and pasture interlaced zone (APIZ) is ecological extremely sensitive and vulnerable to global change.Affected by human activities and climate change, landscape patterns in APIZ,have changed tremendously.In this paper,we applied remote sensing images to quantify the landscape changes and their driving forces in the Huangqihai Lake Basin using ENVI 4.7,ArcGIS 9.3 and FRAGSTATS 3.3.The results showed that areas of grassland and wetland landscape types shrank rapidly, while cropland and built-up landscape types increased during 1976-2010.At the landscape level,values of patch density, landscape shape index and Shannon’s diversity index increased, but the contagion index decreased.These changes implied that landscape fragmentation and landscape diversity increased and the relative dominance of grassland decreased in the study area.Human activity was an important driving force of the landscape changes.With population growth and increasing grain production,built-up and cropland landscape types expanded largely.Economic growth caused abundant water consumption and the construction of water conservancy projects changed the hydrological cycle, resulting in the loss of wetland.

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备注/Memo

备注/Memo:
 收稿日期:2013-11-21 修回日期:2014-01-12
基金项目:国家林业公益性行业科研专项项目(201204204);中央高校基本科研业务费专项资金(TD-JC-2013-2)。
作者简介:陈忞忞,女,在读硕士,研究方向:湿地生态。E-mail: chendoublemin@sina.com
*通信作者:刘俊国,男,教授,博士生导师,研究方向:水文水资源和湿地生态。E-mail:Junguo.liu@gmail.com
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