Six years of estimating roe and fallow deer density with distance sampling at the Koberg estate

TL;DRAbstract

Data about the big ungulates, particularly the European fallow deer (Dama dama dama) and the European roe deer (Capreolus capreolus) have been collected at the Koberg estate (Västra Götaland County, Sweden) using distance sampling as the inventory method. The project has been running for six years (2007 – 2012) and this is the fist time where all data from all years has been merged in one study. The main aims of this study was: (1) to investigate if the fallow deer and the roe deer density have decreased or increased during this period, (2) calculate the
\nencounter rate, (3) investigate the quality and credibility of the estimated densities based on the results, (4) determine however the distance sampling method (line transect sampling) was the most suitable inventory method at Koberg and (5) to descriptively consider if the density
\nestimates indicate reasonably similar trends as expected from the variation in the number of dead animals each year. The software used to analyz

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