摘要
"三江源"有"中华水塔"之称,是世界高海拔区生物多样性最丰富、最集中的地区之一。近年来由于自然气候变化、人类的过度利用和鼠害的爆发,使得该地区草地生态系统严重受损,生态服务功能逐渐降低。如何通过监测手段掌握该地区鼠害的危害区域、危害的等级从而作出判断已成为亟待解决的问题,为此,通过运用"3S"技术与地面调查相结合,对地面数据和空间数据进行处理和分析,确定主要的模型因子并构建监测模型,对鼠害退化草原进行遥感监测的技术路线。
The area of “Headwaters of Three River” is located in the Qinghai-Tibet Plateau, which has the richest biodiversity. However, due to the climate change,humanrs increasing demand for the natural resources and the breakout of rodent pests,the ecological environment of the plateau has been seriously damaged, and its ecological service function has been decreased as well. Based on this situation, the technologies for monitoring the rodent damaged grassland through application of the “3S” technologies, and related ground investigation and the monitoring model establishment were discussed.
出处
《草业科学》
CAS
CSCD
2008年第8期110-112,共3页
Pratacultural Science
基金
"十一五"支撑课题(2006BAD16B04-1)
国家自然科学基金项目(30471226)
关键词
三江源
鼠害
监测
退化草原
Three-River Headwaters
rodent pest
monitoring
degraded grassland
