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试论生态修复与退耕还林还草工程
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彭珂珊;吉娟玲;徐学选
科技导报 | 资源与环境 2004,22(0412): 23-26
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科技导报 |资源与环境 2004 , 22 (0412) : 23 -26
试论生态修复与退耕还林还草工程
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彭珂珊;吉娟玲;徐学选
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DISCUSSION ON ECOLOGICAL RESTORATION AND RETURNING FARMLANDS TO FORESTS
PENG Ke-shan;JI Juan-ling;XU Xue-xuan
Affiliations
    1. Institute of Water and Soil Conservation, Northwestern Sci-Tech University of Agriculture and Forest,Yangling 712100, Shannxi Province, China;2. Kangjie High School, Yuncheng 044000, Shanxi Province, China
出版时间: 2004-12-10
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根据西部地区生态环境严重恶化的基本现状,分析了5年来实施退耕还林还草工程后生态系统良性循环的状态,展望了退耕还林还草工程与生态修复工程对经济发展的影响。
生态修复  /  退耕还林还草  /  经济发展
Based on the present situation of the serious deterioration of ecological environment in west china, the article analyzed the benign circulation state of ecological system in five years of implementing the project of returning farmlands to forests and grasslands, and looked into the influences of the project of returning farmlands to forests and grasslands and ecological restoration on economic development.
ecological restoration  /  returning farmlands to forests and grasslands  /  economic development
彭珂珊;吉娟玲;徐学选. 试论生态修复与退耕还林还草工程. 科技导报, 2004 , 22 (0412) : 23 -26 .
PENG Ke-shan;JI Juan-ling;XU Xue-xuan. DISCUSSION ON ECOLOGICAL RESTORATION AND RETURNING FARMLANDS TO FORESTS[J]. Science & Technology Review, 2004 , 22 (0412) : 23 -26 .

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  • 接收时间:2004-09-15
  • 首发时间:2004-12-10
  • 出版时间:2004-12-10
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  • 收稿日期:2004-09-15
  • 修回日期:1900-01-01
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2种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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