Analysis of forest quantities and species composition alterations using two different methods with comparision

Janez Krč (1999) Analysis of forest quantities and species composition alterations using two different methods with comparision. Zbornik gozdarstva in lesarstva (60). pp. 211-236. ISSN 0351-3114

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Abstract

The article analyses composition alterations in forest stands using two methods. In the first, composition alterations in types of plant community areestimated and in the second, composition alterations in stands according toamounts and types of wood stock are established. To assess composition alterations at the level of basic units of forest inventory, the optimal and actual structure of wood stock was used in models according to tree types in forest communities within forest tracts. The data needed for calculations required analysis only of tracts containing one forest community. Results are shown at the level of forest management region and forest community. Results at higher levels of forest area were obtained using a weighted arithmetic meanof results from basic calculations at the level of forest tracts. The results of composition alteration assessment are also shown by area and comparisons were made of both methods used.

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