【摘要】 国内尚无一个城市森林质量评价标准。根据江南城市森林林网化与水网化布局特点,作者以上海为对象提出城市森林综合评价指标体系。该体系由结构、功能、协调性三大块共12个指标构成。计算结果表明,如按上海"规划"实施,到2020年上海城市森林的综合状况将优于现值2.6倍,其结构、功能和协调性分别提高2.5、1.8和3.3倍,森林覆盖率、乔灌植物种数、水土保持、景观休息吸引度、水网林网化、景观布局协调性等指标有较大增量。更多还原

【Abstract】 The authors review the studies on the criterion and mdieator system of sustainable forest management, the index system of the environmental benefits of forest, the evaluation mdieator system of agroforestry ecosystems, the criterion and mdieator system for the classification of forest as well as the evaluation of the forest as an integrated one, and the evaluation and mdieator system of urban forest. Based on the review the paper analyzes the progress in studies on evaluation mdieator system, and points out the hard position and the directions to which researchers should pay more attention in future.更多还原