Natural ecosystems provide society with important goods and services.With the rapid increase in human populations and ex......

基于统计数据及MODIS产品,计算西藏草地2000与2010年载畜支持服务、肉类供给服务、水源涵养服务和碳吸收服务的功能量。构建Pearso......

＂经＂与＂权＂的价值取舍问题内在地包含了孟学思想最基本、最核心的伦理问题。朱熹的经权观念相较于孟子更加多维和理性,主要体现在两个......

There has been growing attention to intraspecific variation in trait-based plant ecology.However,studies on these change......