摘要
运用生态系统健康理论建立了城市森林健康评价指标体系，对延安市不同类型城市森林进行了分析评价。结果表明，延安市各类型城市森林综合健康指数为0．32～0．82，各类型森林间健康状况筹异较大，风景林为良好，防护林、行道树为较好，纪念地、专用绿地为一般，广场游园和道路绿地较差。城市森林健康水平取决于建设者和管理者的目标和技术，发展城市经济、提高居民收入、改良森林群落结构，是改善和维持城市森林健康的必山之路。
Based on the theory of ecosystem health, healthy condition of urban forest ecosystem in Yah＇an was analyzed and assessed by setting diagnostic indicator system. The result shows that values of comprehensive healthy index of different forests are from 0.32 to 0.82. State of health of Landscape forest is good ,protective forest and street tree are better,memorial site green-lands and special green-lands are general, square green-lands,park green-lands and road green-lands are worse. The level of urban forest health is decided by target and technique of governors and constructors. Improving local economy and income of resident is the only way to optimize the structure of eco-forest system and maintain health of urban forest.
出处
《西北农林科技大学学报（自然科学版）》
CSCD
北大核心
2006年第10期81-86,共6页
Journal of Northwest A&F University(Natural Science Edition)
基金
国家科技攻关计划重大专项专题(2004BA516A12-05)
关键词
延安市
城市森林
健康评价
Yan＇an city
urban forest
health assessment
