Remote Sensing Classification of Plant Communitity in Haba Lake National Nature Reserve of Ningxia
In order to accurately monitor the plant resources of Haba Lake National Nature Reserve in Ningxia and provide scientific basis for the ecological protection of the reserve,the spectral characteristics of 9 typical plant communities in the reserve were analyzed based on Landsat 8 remote sensing images and high-resolution satellite remote sensing images in 2017,combined with field investigation and UAV multispectral images,Two classification methods were used to classify the vegetation in the reserve.The results showed that the classification accuracy of object-oriented classification method was 79.90％,and the classification accuracy of maximum likelihood method was less than 52％;Salix psammophila community and Caragana korshinskii community were concentrated and widely distributed in the study area,which was related to the long-term management measures of the reserve over the years.
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