Comparative study on biophysical ecosystem service mapping methods—a test case of carbon stocks in Finnish Forest Lapland

•Evaluate applicability of two data sources and two methods using carbon as an example.•Carbon storage assessment was done by using two different sources of data and differences were found.•The use for habitat data was found useful despite the fact that modelled method show variation across landscape.•The most sophisticated, complex and detailed data and methods are not necessarily better, but their usability depends on the question addressed.