A. Vos, POPULATION-DYNAMICS OF THE RED FOX (VULPES-VULPES) AFTER THE DISAPPEARANCE OF RABIES IN COUNTY GARMISCH-PARTENKIRCHEN, GERMANY, 1987-1992, Annales zoologici Fennici, 32(1), 1995, pp. 93-97
Data on 977 foxes harvested between November 1987 and March 1992 from
the alpine county Garmisch-Partenkirchen, Germany, concerning reproduc
tion, sex-ratio and age-structure were combined with some results of a
mark-recapture study and the hunting statistics in this area and used
to construct a new fox-density population model on the basis of the j
uvenile fox population. This to investigate the effects of the disappe
arance of rabies on the population dynamics in spring 1985 after succe
sful application of oral vaccination. The average adult fox density in
spring, during 1987-1991, was estimated at 0.74 foxes/km(2). The adul
t spring fox density was three times higher in the northern heterogene
ous part of the county (1.77 foxes/km(2)) than in the southern alpine
regions (0.59 foxes/km(2)). Annual losses, including fox hunting, coul
d not prevent an increase of the fox density between 1987 and 1992. In
1992, seven years after the last fox rabies case, the increased fox d
ensity apparently still has not reached its carrying-capacity. The fox
es here live in a very stable environment with a high food-supply and
number of denning sites, partly of anthropogenic origin.