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Vegetation Classification of Rewetting Areas for the Peat land Conservation Program of Mecklenburg-Western Pomerania
In 2000 the peat land conservation program of Mecklenburg-Western Pomerania was initiated, which aimed at the reduction of peat mineralisation in aerobic conditions by retaining the peat bodies and rewetting the bogs. Therefore a classification of the vegetation and a mapping of dominant plants were realized with high resolution satellite date (QuickBird).
Through a hybrid ensemble-classification system that combines regression tree methods with pixel-based procedures the vegetation was classified.
Hence it was possible to delineate classes like: carex, phalaris, phragmites, typha, glyceria, juncus, fallow grassland, duckweed, floating leaf vegetation, submersed vegetation, other helophytes, open water and wood.
The result of an accuracy analysis by using terrestrial data proved a high accuracy (kappa of 86.4%) of mapping the vegetation despite the very clouded satellite image. The system affords the monitoring of the vegetation in rewetting areas and can improve the prediction for a successful restoration of bogs.
