I have a query regarding the merging of shapefiles. I have 7 different landuse shapefiles which together covers all my study area. Now, inside my study area, there are 70 different priority areas for which I have to calculate the area of each types of landuse.
Therefore, I was thinking to merge 7 landuse shapefiles into 1 shapefile and clip the area of 70 different priority areas in order to get the area of the individual priority area (for example: 20 acre forest, 10 acre agriculture, 5 acre wetland...).
I was wondering if I would merge 7 shapefiles into 1 shapefile, is there any chance of losing any area especially on the edge of two shapefiles? If yes, could anyone suggest the right procedure so that I wouldn't lose/alter my original information of each individual shapefile.