摘要
图们江流域独特的地理位置、气候条件使其具有丰富的生物多样性。本文对图们江流域(中国境内)生物多样性现状进行统计,结果表明该流域生长着134科2 090种高等植物和87科422种高等动物。并采用能值分析法对图们江流域生物物种能值加以估算,结果为186.53×1022sej,转换为货币价值214.38×109$,从而揭示生物多样性巨大的生态经济价值。
Tumen river area (in China) has abundant biodiversity owing to its unique geographical position and climate condition. It is estimated that there are 2090 species of higher plants (subordinated to 134 families) and 422 species of higher animals (subordinated to 87 families) in this region. The emergy of species in Tumen river area is evaluated by emergy analysis measures. The conclusion is 186.53×1022sej and it can be transformed into 214.38×109$ as emdollar value. The biodiversity is of great ecological and economic value.
出处
《农业与技术》
2003年第1期44-48,共5页
Agriculture and Technology
基金
吉林省科技厅项目资助
