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。

Based on the theory of ecosystem health, healthy condition of urban forest ecosystem in Yan 'an was analyzed and assessed by setting diagnostic indicator system.

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小龙门林场及毗邻地区的天然植被保存良好，结构合理、物种丰富，在进行森林健康评价时，可作为健康标准的参考之一。

Natural vegetation in Xiaolongmen and adjacent areas can be used as the reference standard of health assessment for they are preserved well, have rational structure and rich species.

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所以，开展城市森林健康分析与评价有着非常重要的社会意义。

So, it has a very important social significance in carrying out the analysis and evaluation of urban forest health.

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