I have a created 500 m buffers around a series of sampling points and want to know how much of a certain habitat is contained within each buffer. I used intersect and summary statistics to calculate length and area of habitat a within one example buffer x and got a value y.
When using the entire set of buffers, the result y for habitat a in buffer x is larger than before. Buffer x overlaps with several other buffers. I am interested in the total amount of habitat within each buffer, regardless of the overlap with another buffer. Hence the result should not be different.
It seems that when several buffers overlap the intersect result consists of multiple sections so that the total length calculated using summary statistics is different.
How can I avoid this problem and get a correct output ?