Two-phased sampling method, using regression estimators and small-scale aerial IR-photographs in [forest] volume and increment estimation
1996
Akca, A. (Institute for Forest Management and Yield Sciences, Goettingen (Germany)) | Beisch, Th. | Eilermann, F.
The complexity of the forest ecosystem, together with the manifold demands made on the forest by humanity, necessitates a differentiated and problem-oriented inventory and analysis of forest conditions and their changes, in order to guarantee the conservation, tending, and management of the forest communities. Aerial photographs and satellite images as data sources in remote sensing, especially in view of their retrograde analysis applicability, are fundamental in designing monitoring systems, due to their documentary suitability. In addition to measuring dendrometric variables directly from aerial photographs, aerial photographic evaluation can be employed, in conjunction with auxiliary variables, in compacting and regionalizing terrestrially recorded results. The application of these methods offers the possibility of more cost-effective and generally more efficient inventories when recording forest conditions and their changes
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