OCR Output

110 lv. The dynamics of the animal communities

because the area in question remains arvideserta or agrilinosa for decades,
and there is no possibility for successional changes. The cultivated biotopes
(secondary sequences, Park see Allee et al., 1949, 578; culture-biocoenosis,
Balogh, 1953: 39) therefore are the exact opposites of a natural succession.