Journalartikel

Jahr der Veröffentlichung: 1998

Seiten: 113-122

Zeitschrift: Zeitschrift für Jagdwissenschaft

Bandnummer: 44

Heftnummer: 3

ISSN: 0044-2887

DOI Link: https://doi.org/10.1007/BF02250738

Verlag: Springer Verlag

Abstract: 
Between 1995 - 1997 the method of line taxation was used to survey 124 samples of bark stripping damage incurred in the red deer districts of North and Ruhreifel, Northrhine Westfalia (Tab.3). On the basis of 150000 counted trunks this investigation showed an optimal method for the determination of bark stripping. Of paramount importance here is a sufficiently large sample size of trunks in bark stripping prone stands (Tab.1). The inclusion of 1000 trunks in 10 100 trunk rows per sample plot suffices (Fig.1) The average sampling time including driving time from stand to stand and brief preparation time before and after sampling is about 3 hours, maximally 4 hours for one person. In order to determine the amount of bark stripping as completely as possible, beech stands were sampled in August and spruce in mid-September The data were statistically tested using a binomial distribution to provide sufficient accuracy in the determination of percent stripping (Tabs. 4 and 5). In comparing the present various methods for the determination of bark stripping damage to line taxation, this method has the clear advantage of a high degree of precision in determining percent bark stripping and large sample size in comparison to spot sampling. In addition the time consuming search for the individual sample plots in the selected sample areas can be circumvented.

Harvard-Zitierstil: Simon, O. and Petrak, M. (1998) On the method of line taxation for determining amounts of bark stripping, Zeitschrift für Jagdwissenschaft, 44(3), pp. 113-122. https://doi.org/10.1007/BF02250738

APA-Zitierstil: Simon, O., & Petrak, M. (1998). On the method of line taxation for determining amounts of bark stripping. Zeitschrift für Jagdwissenschaft. 44(3), 113-122. https://doi.org/10.1007/BF02250738