【摘要】 本文采用生态效益为主,经济效益为辅的原则,从生态系统林木及林副产品、涵养水源、水质净化、水土保持、固碳释氧、净化大气、防浪护堤、维持生物多样性等8大特征构建了防护林优化模式评价指标体系,并在对防护林实地调查、样本分析的基础上,对环洞庭湖防护林体系进行了优化模式的选择。更多还原

【Abstract】 Assessment index system for optimum modes of protection forest was proposed based on 8 characteristics of ecosystem,i.e.,timbers and byproducts,water storage,water purification,erosion control,C fixation and O2 release,air purification,wave prevention and bank protection,habitat provision according to the principle of taking ecological benefit as top priority and economic benefit as second.In addition,optimum modes of protection forest were chosen on the basis of field survey and samples analysis.更多还原