Abstract: For continuous monitoring of the changes of forest resources at both municipal and county levels and the exploration of methodology in integrated monitoring of forest resources,an integrated monitoring system of forest resources was built for Hangzhou by the application of permanent sample plot monitoring,archive updating,supplementary investigations,re-measured investigations and model projections,Markov transition model estimation,linear regression estimation and other monitoring methods.The time sequence is divided into basic and general years,and the spatial sequence is divided into one city collectivity and eight County Sub-collectivities.A monitoring system is establisged which includes 6 task systems as the evaluation index,sampling points,information collection,data processing,quality control,information release to carry out the annual monitoring and information announcement of forest resources from 2008 to 2012.With the city-county synchronized monitoring system of forest resources,synchronous monitoring of forest resources is realized integrated monitoring of forest resources of city and county and a set of integrated data of city and county achieved.The monitoring results have good sampling accuracy control,results after the announcement made great social repercussions.Therefore,to establish a system of annual city-county synchronized monitoring system of forest resources can meet the needs of government decision making at the two levels and information requirement of the public,and provide a reference for the integration of national forest resources monitoring.

Key words: joint operation of the city and counties, monitoring of forest resources, integrated monitoring, annual monitoring, announcement