杭州市森林资源市县联动年度化监测的探索与实践

发布时间：2019-03-13 17:29

【摘要】：为持续监测市县两级森林资源变化,探索森林资源一体化监测方法,建立设区市森林资源市县联动年度化监测体系,以杭州市为实践地,采用样地监测、档案更新、补充调查、复位调查、模型更新、马尔科夫转移模型、线性回归等方法,在时间序上分为基础年和一般年,空间序上分为1个市总体和8个县域副总体,分别评价指标、样点布设、信息采集、数据处理、质量控制、信息发布6个任务系统建立监测体系,从2008—2012年,连续5年对杭州市及各县域副总体森林资源开展了年度监测与公告。结果表明:通过市县联动年度化监测,杭州市及各县副总体能实现森林资源同步监测,实现市县"一体化"监测和市县"一套数",监测结果有较好抽样精度控制,成果公告后取得了较大社会反响。因此,建立的设区市森林资源市县联动年度化监测体系,能满足市县两级政府决策及公众信息需求,可为全国森林资源"一体化"监测提供借鉴。
[Abstract]:In order to continuously monitor the change of forest resources at two levels of city and county, explore the integrated monitoring method of forest resources, set up the annual monitoring system of city-county linkage of forest resources in different districts and cities, take Hangzhou city as practice land, adopt sample plot monitoring, file updating and supplementary investigation. The methods of reset survey, model updating, Markov transfer model and linear regression are divided into basic year and general year in time sequence, spatial order is divided into 1 city population and 8 county sub-population. Six task systems of information collection, data processing, quality control and information release were established. From 2008 to 2012, annual monitoring and announcement were carried out on the forest resources of Hangzhou and sub-total forest resources in various counties for five consecutive years. The results show that through the annual monitoring of city-county linkage, the vice-general of Hangzhou and each county can realize the simultaneous monitoring of forest resources, the city-county "integrated" monitoring and the city-county "a set of numbers", and the monitoring results have better sampling precision control. After the announcement of the results, a greater social response has been achieved. Therefore, the established annual monitoring system of city-county linkage of forest resources can meet the decision-making and public information needs of city and county governments, and can be used for reference for the "integrated" monitoring of forest resources in the whole country.
【作者单位】：浙江省森林资源监测中心;
【分类号】：S757.2

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