北京平原地区森林资源状况及经营策略

Forest Resources Status and Management Strategy in Beijing Plain Area

北京市平原地区是首都核心功能与城市功能的主要承载区,平原地区的森林对于居民的健康和首都各项事业的发展起着举足轻重的作用。介绍了北京市平原地区森林资源发展经历了恢复期、徘徊期、稳步发展期和快速发展期;从平原森林面积、蓄积、林种、龄组、树种组成等方面,分析了平原森林资源现状,分析了2009—2019年平原森林面积、蓄积、森林覆盖率和树种组成的变化趋势,得出平原生态格局基本形成,“林带多、片林少”的资源结构得到改变,生态空间分布的均匀性提高,森林景观丰富度增加等结论;从新版城市总规要求、市民对优美环境的需求和新时期园林绿化高质量发展3个方面分析了新时期平原地区森林经营面临的形势和要求。通过分析探讨,对北京平原地区森林经营提出对策建议。

The plain area of Beijing is the main carrying area of the core capital functions and the urban functions.The forest in the plain area plays an important role for the health of residents and the development of various undertakings in the capital.The development of forest resources in Beijing plain area experienced recovery period,wandering period,steady development period and rapid development period.The present situation of plain forest resources was analyzed from the aspects of forest area,stock,forest species,age group and tree species composition.The change trend of plain forest area,stock,forest coverage rate and tree species composition from 2009 to 2019 was analyzed.It was concluded that the ecological pattern of the plain was basically formed,the resource structure of"more forest belts,less forest patches"was changed,the uniformity of ecological spatial distribution was improved,and the richness of forest landscape was increased.The situation and requirements of forest management in plain area in the new era were analyzed from three aspects:requirements of new urban general regulations,citizens′demand for beautiful environment and high-quality development of landscape in the new era.Through analysis and discussion,countermeasures and suggestions were put forward for forest management in Beijing plain area.