Chain Classification is a new methodology to map landcover for large areas. The basic idea is to extrapolate the information obtained in one classified image (first) to classify an adjacent image (second). A third image can be classified based on the second and so on, resulting in a Chain classification.
With an increasing human population and expanding impact on the environment, extinctions are happening at an unprecedented pace. So what would happen if people suddenly left the land and let it return to a natural state. Well, just such a scenario is playing out in Eastern Europe following the collapse of the former U.S.S.R..