To create Buffer for layers having Coordinate Projection System (CRS) Geographic (uses latitude and longitude), we have to give degrees to measure distance. But it is troublesome. To fix it, we have to change the CRS in UTM projection and in this video we will learn this,
To know the UTM zone of your study area, you see the following videos
1. Learn How to Convert Geographical Units: From DDs to DMS to UTM to DDs: [ Ссылка ]
2. Reprojection of raster data in QGIS: [ Ссылка ]

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