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The Value of the Worlds Ecosystem Services and Natural Capital by Costanza in 1997 is generally regarded as a monument f......
Functionally assessing the sustainability of regional ecosystem services: a case study of Hohhot Cit
"The value of the worlds ecosystem services and natural capital"by R.Costanza et al.in 1997 is generally regarded as a m......
通过发芽和管栽试验研究了不同供氮水平下，小麦根系分泌物间甲酚对玉米的化感作用。结果表明，间甲酚对玉米幼苗根系产生的化感作用较......
阿里地区狮泉河谷、日喀则江当河谷阶地和安多错那湖东侧是西藏自治区沙漠化土地分布比较集中的3个典型区,并代表了西藏高原3个不......
本文对上海浦东东海海滩上［３１°１＇Ｎ］芦苇植被自堤至海水边各地段的生物生产力、生长特性及土壤状况作了测定。其平均生物生产力为２．０７４......
Functionally assessing the sustainability of regional ecosystem services:a case study of Hohhot City
"The value of the worlds ecosystem services and natural capital" by R.Costanza et al.in 1997 is generally regarded as a ......
