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Researches on sampling and on the best size of circular plot in statistically based inventories.


, : Researches on sampling and on the best size of circular plot in statistically based inventories.. Forst u. Jagd. 8: 7, 299-300

The circular-plot method has fulfilled all expectations since its introduction in 1953, but the rigidity of the grid makes it impossible to get the most accurate total volume figures from the several stocking types. To improve this, the following 20 treatments of 4 concentric circular-plot size combinations and 5 grid lay-outs were statistically investigated on >300 ha. of forest. Plot combinations: 0.25, 1.0, and 4.0 ares; 0.5 and 3; 0.5, 2, and 8; 10.

US$29.90


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