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1 1979年青藏高原植被图 未开放资源 馆员登记
  青藏高原是中国最大的高原,也是世界上最高的高原,面积240万平方公里,海拔大多在3500米以上,包括西藏和青海的全部、四川西部、新疆南部及甘肃、云南的一部分。本数据是青藏高原典型生态区的植被类型分布的矢量数据,属性库内容包括:植被类型代码、植被类型名称、植被类型斑块面积等。;...
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2 1996年青藏高原土地利用图 未开放资源 馆员登记
  青藏高原是中国最大的高原,也是世界上最高的高原,面积240万平方公里,海拔大多在3500米以上,包括西藏和青海的全部、四川西部、新疆南部及甘肃、云南的一部分。本数据是青藏高原典型生态区的土地利用现状分布的矢量数据,属性库内容包括:土地利用类型代码、土地利用类型名称、土地利用类型斑块面积等。划分的土地利用类型包括:水浇地、旱地、菜地、园地、有林地、灌木林地、疏...
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3 2008 Environmental Performance Index (EPI) 开放资源 馆员登记
  The 2008 Environmental Performance Index (EPI) centers on two broad environmental protection objectives: (1) reducing environmental stresses on human health, and (2) promoting ecos...
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4 A Forest Vegetation Database for Western Oregon 开放资源 馆员登记
  Data on forest vegetation in western Oregon were assembled for 2323 ecological survey plots. All data were from fixed-radius plots with the standardized design of the Current Veget...
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5 A National Ecological Framework for Canada 开放资源 机器抓取
  The National Ecological Framework for Canada was developed between 1991 and 1999 by the Ecosystems Science Directorate of Environment Canada, and the Center for Land and Biological...
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6 Acervo Digital del Instituto de Biología de la UNAM 开放资源 机器抓取
  Irekani is a virtual gallery of images representing a sample of the great biodiversity of Mexico. All materials on this site are part of the photographic collections academic staff...
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7 Acta Oecologica 未开放资源 机器抓取
  Acta Oecologica is venue for the publication of original research articles in ecology. We encourage studies in all areas of ecology, including ecosystem ecology, community ecology,...
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8 African Journal of Ecology 未开放资源 机器抓取
  African Journal of Ecology (formerly "East African Wildlife Journal") publishes original scientific research into the ecology and conservation of the animals and plants of Africa. ...
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9 AHKRC Digital Library 开放资源 机器抓取
  This site provides access to various collections relating to Agriculture and Rural Development in Pakistan, including the Akhtar Hameed Khan and Shoaib Sultan Khan Archives. The in...
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10 AllConferences.Com -- Science Conferences 开放资源 机器抓取
  It is part of the site of AllConferences.Com. AllConferences.Com is a searchable directory focusing on conferences, conventions, trade shows, exhibits, workshops, events and busine...
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