[1]莫晓琪,朱颖*,胡义涛,等. 1995-2015年天目湖流域湿地景观格局演变分析[J].西北林学院学报,2017,32(1):293-300.[doi:10.3969/j.issn.1001-7461.2017.01.47]
　MO Xiao-qi,ZHU Ying*,HU Yi-tao,et al. Landscape Pattern Changes of Wetlands in Tianmu Lake Watershed from 1995 to 2015[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2017,32(1):293-300.[doi:10.3969/j.issn.1001-7461.2017.01.47]
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 1995-2015年天目湖流域湿地景观格局演变分析()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第32卷
期数:
2017年第1期
页码:
293-300
栏目:
出版日期:
2017-01-31

文章信息/Info

Title:
 Landscape Pattern Changes of Wetlands in Tianmu Lake Watershed from 1995 to 2015
文章编号:
1001-7461(2017)01-0293-08
作者:
 莫晓琪1; 朱颖1*; 胡义涛1; 陈德超2; 王跃2
 （1.苏州科技大学 建筑与城市规划学院，江苏 苏州 215011；2.苏州科技大学 环境科学与工程学院，江苏 苏州 215011）
Author(s):
 MO Xiao-qi1; ZHU Ying1*; HU Yi-tao1; CHEN De-chao2; WANG Yue2
 ( 1.School of Architecture and Urban Planning,Suzhou University of Science and Technology,Suzhou,Jiangsu 215011,China；2.School of Environmental Science and Engineering,Suzhou University of Science and Technology,Suzhou,Jiangsu 215011,China )
关键词:
 ; 湿地; 景观格局演变; 天目湖流域
Keywords:
 ; wetland;  landscape pattern change;  Tianmu Lake Watershed
分类号:
S127
DOI:
10.3969/j.issn.1001-7461.2017.01.47
文献标志码:
A
摘要:
 在遥感和GIS技术的支持下，以天目湖流域多时序TM遥感数据与土地利用数据为基础，并运用景观格局指数对天目湖流域1995-2015年的湿地景观格局的动态变化进行定量分析。结果表明：1）天目湖流域湿地以水库、水田为主导景观类型；2）近20 a间天目湖流域自然湿地面积减少了62.45%，其中滩涂面积缩减最为剧烈；人工湿地减少了5.34%，但除水田面积逐年减少外，其他人工湿地都有不同程度增加，尤其是水库湿地增加明显；3）20 a间湿地斑块个数（NP）逐年增加，平均斑块面积（AREA-MN）逐年下降；景观蔓延度指数（CONTAG）呈先下降后增长的趋势，景观多样性指数（SHDI）和景观均匀度指数（SHEI）呈先增长后下降的趋势，表明湿地景观破碎度加剧，其中自然湿地景观破坏程度较大，分布趋于分散；4）湿地与建设用地动态转换频繁，突出地表现在建设占用滩涂、水田，以及湖泊或河流湿地转换为水库、人工河道或养殖区域。分析认为建设用地和耕地的扩增、人工水利设施的建设及政府相关政策的导向等是湿地动态变化的主要原因。研究结果可为天目湖流域湿地资源的保护规划提供数据支持和理论参考。
Abstract:
 The wetland landscape pattern changes in Liyang Tianmu Lake watershed from 1995 to 2015 were analyzed based on multiple timing TM remote sensing data and the land use data of the watershed.Landscape pattern indices were adopted.The results showed that 1) the reservoirs and paddy fields were the dominated landscape types in the watershed.2) Within the watersheds,natural wetland area decreased by 62.45%,in which the beach area decreased most intensively.Artificial wetland area decreased by 5.34%,except for the reservoir wetland.3) During 20 years,the number of patches increased,and the average patch area decreased.The landscape contagion index declined first,and then increased.Landscape diversity index and landscape dominance index increased first,and then decreased,indicating that the degree of landscape fragmentation was intensified,in which the natural wetland damage was more serious than other types of wetlands,and the distribution tended to be disperse.4) The conversion of wetlands and construction land was frequent: beaches,paddy fields,rivers and lakes were converted into construction land or wetlands into reservoirs,rivers or artificial breeding areas.It was deduced that the expanding of construction land and farmland,construction of artificial water conservancy facilities and policy guidance of the government were the main reasons of the variation of wetlands.The results could provide references for the protection of wetland resources in Tianmu Lake watershed.

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备注/Memo

备注/Memo:
 收稿日期：2016-05-11修回日期：2016-07-19
基金项目：江苏省住建厅科技项目（2016ZD71）；江苏省高校哲学社会科学基金（2013SJB790052）；苏州科技大学“风景园林学”江苏省“十二五”重点（培育）学科、江苏省企业研究生工作站共同资助。
作者简介：莫晓琪，男，硕士研究生，研究方向：地域生态环境与景观规划。E-mail:tracy537@qq.com
*通信作者：朱颖，女，副教授，研究方向：风景园林规划设计理论与实践。E-mail:zhuying@mail.usts.edu.cn
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