ON SPATIAL STATISTICS IN FORESTRY
Abstract
The paper tries to give historical glimpses of statistical methods related to the spatial arrangement of plants and trees in a forest. This spatial pattem has interested authors dealing with the growth of trees of stands as affected by the competition from neighbours. It has also been studied in investigations about the efficiency of operations in the forest. Most of the investigations of the spatial structure of a forest have however been connected with studies of the performance of mensurational methods and sampling designs. The angle count method is taken up as an example. Sorne methods that have been used for a quantitative description of the spatial pattem are reviewed. Mathematical models used to simulate spatial pattems are also taken up in recent times. The modelling has been based on the theory of stochastic processes. The French geostatistical school has developed a rich set of concepts and methods for spatial models.
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