基于数字地形模型的斑头雁潜在生境分析  

Potential Habitat Analysis of Anser indicus with Digital Elevation Model

作　　者：郝美玉[1] 张耀南[1] 雷富民[2] 阎保平[3] 星智 

机构地区：[1]中国科学院寒区旱区环境与工程研究所,兰州730000 [2]中国科学院动物研究所,北京100101 [3]中国科学院计算机网络信息中心,北京100190 [4]青海湖国家级自然保护区管理局,西宁810000

出　　处：《动物学杂志》2010年第1期35-42,共8页Chinese Journal of Zoology

基　　金：国家基础科学人才培养科学基金冰川学冻土学特殊学科点(No.J0630966);中国科学院信息化专项项目(No.INFO-115-D02)

摘　　要：建立了青藏高原地区的数字地形模型,并将其应用在斑头雁(Anser indicus)的潜在生境提取与分析中。通过数字高程模型、水系模型、湖泊及环湖活动区模型和植被模型的GIS叠置,提取了斑头雁的潜在生境,并对来自青海湖的11只斑头雁的卫星跟踪数据进行了验证分析。结果表明,斑头雁的潜在生境(湖泊与环湖活动区构成)共有275处(以湖泊为单位),湖泊水体总面积约为10306.4km2,59处生境已验证有斑头雁停留的踪迹,其中部分湖泊周围的验证点可能是斑头雁飞行时的定位点而不是停留定位点,目前还无法证实。繁殖地、迁徙停留地和越冬地比较集中,迁徙路线较固定。Digital terrain model（DTM） was build from combining information of digital elevation model（ DEM）, river model,model of lake and home range around lakes, and vegetation model. DTM was applied to search potential habitat of Bar-headed Goose （Anser indicus） by using the overlap functions of Geographic Information System（GIS）. The locations of potential habitat of Bar-head Goose were checked by satellite-tracking data of eleven bar-headed geese banded in Qinghai Lake. The result showed that total of 275 sites of bar-headed goose potential habitat was located. The potential habitat consists of lake and home range around the lake. The total area of the lake waters are about 10 306.4 km^2 and 59 sites were verified that bar-headed goose stopped over there for rest. Around some lake there was little bar-headed goose track-points which may be obtained on the fly, and it can＇ t be confirmed that they stopped over there at present. Breeding sites, stopovers in process of migration, and wintering sites of bar-headed goose showed higher concentrations and its＇ migration route is relatively stable.

关 键 词：数字地形模型 斑头雁 潜在生境 

分 类 号：Q958.12[生物学—动物学] Q959.8