overall productivity is variable but generally speaking is lower than the production potential of specific forest habitats state forests have a larger increment about m ha on average than private forests low density results in part of the forest resource being in practical terms out of reach for any kind of intervention forest use forest protection and silviculture the average road density in bosnia and herzegovina is mha these densities are significantly below those in other european countries with a similar topography switzerland has mha austria mha germany mha and france mha there were particularly frequent and catastrophic forest fires in and