Spatiotemporal Pattern Dynamic Change Process of Tea Garden in Anji County of Zhejiang Province

Anji White Tea is one of important productions of specialty agriculture in Anji County of Zhejiang Province．Understanding spatiotemporal dynamic of these tea plantations will promote local tea industry and regional sustainable development．Based on relevant land use data of Anji County in 2012, 2016 and 2020, dynamic change process and differential characteristics of tea garden pattern in Anji County, Zhejiang Province from 2012 to 2020 were studied and analyzed by using methods of land use dynamic degree index, comprehensive index of land use expansion degree and land use transfer matrix．Results showed that there were obvious temporal and spatial differences in pattern of tea plantations from 2012 to 2020．From perspective of transfer quantity and spatial distribution, number of tea garden land transfer from 2012 to 2016 was very small, area of tea garden was basically stable, and spatial distribution was relatively scattered．Area of tea gardens increased significantly from 2016 to 2020, and distribution of new tea gardens was relatively concentrated．From perspective of transfer process, 2016−2020 was more intense than 2012−2016, with a significant increase in number of transfers．Transfer process led to a more concentrated spatial distribution of tea gardens．From perspective of transfer type, from 2012 to 2016, tea gardens were mainly converted into cultivated land, with almost no transfer, and transfer type was relatively single．From 2016 to 2020, tea garden would be mainly converted into forest land, garden land and construction land, mainly forest land, farmland and garden land, with various types of transfer．The above results clarified spatiotemporal dynamic change characteristics of tea garden pattern in Anji County, Zhejiang Province from 2012 to 2020, and provided data basis and scientific guidance for study of spatiotemporal dynamic change of regional tea garden and future sustainable development planning．