GONG Wen-feng,YUAN Li,FAN Wen-yi.Temporal-spatial Evolution of Landscape Elements in Zhalong Wetland Based on RS and GIS[J].Research of Soil and Water Conservation,2010,17(01):107-112.
基于RS和GIS扎龙湿地景观时空演变研究
- Title:
- Temporal-spatial Evolution of Landscape Elements in Zhalong Wetland Based on RS and GIS
- Keywords:
- landscape dynamics; landscape elements; driving force mechanism; temporal-spatial evolution
- 分类号:
- P901
- 摘要:
- 以RS、GIS技术手段,1995年、2000年和2004年Landsat TM遥感数据为主要数据源,分析研究区域景观结构、主要景观要素的时空演变、景观组分变化和转移过程,并定性分析景观动态变化特征和驱动机制.结果表明：研究区域呈现以沼泽地景观为基质的草地景观、耕地景观等相对为主体的交错湿地景观格局;沼泽湿地景观、水域景观、耕地景观、草地景观等在转移过程中保持较大的保留率;草地→沼泽地和沼泽地→草地是研究区域的主要景观类型的优势转移过程,处于主导地位,草地→盐碱地,自然因素为该景观类型的转变及区域生态环境恶化的重要原因,盐碱地→草地,反映出土地利用动态变化驱动机制的复杂性;对土地的利用一般应按照一定的规划原则进行,做到土地的合理利用,实现土地资源的永续利用和区域可持续发展.
- Abstract:
- Supported by RS,GIS and using the image data in 1995,2000 and 2004,landscape structure,major landscape elements temporal-spatial evolution,the dynamics change and the conversion processes of landscape elements were studied.The change and its driving force mechanism of landscape elements were quantitatively analyzed.The results shown that:the dominant wetland landscape pattern composed with swamp,crop land,grass land was patched with other land;swamp landscape,water area landscape,crop land landscape and grass land landscape had the higher preserving ratio;grass land→swamp and swamp→grass land were the dominant transfers procedure of the main landscape types in study region,which played a leading role,grass land→saline-alkaline land showed that the natural factors caused this land use transfers and ecological environment worsened,saline-alkaline land→grass land showed that the driving force mechanism of land use was complicated;the land use was made rational use based on certain planning project,which made land use containable and sustainable development of study region.
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备注/Memo
收稿日期:2009-8-10。
基金项目:国家“863”项目(2006AA12Z104);国家林业局野生动植物保护管理项目(41325702);黑龙江教育厅项目(11531294); 黑龙江省自然基金(C2007-17,C200527);黑龙江大学校青年基金(QL200640)
作者简介:龚文峰(1976- ),男,河南省南阳市人,博士,主要从事土地利用和景观生态等方面的研究.E-mail:gwf101@163.com