Diet and food habits of the brown bear (Ursus arctos L.) in Polish eastern Carpathians

摘要: The studies of brown bear diet were carried out between 1992 and 1994 in the Bieszczady Mountains. Seasonal changes in diet and annual pattern of the percentages ofpanicular food types were determined based on the analysis of 184 seats. Beech nuts (Fagus silvmt'ca) accounted for the highest percentage in the annual food volume (l 1.8% vol). The most frequently observed spring foods were grasses. herbaceous plants and deer. Also in summer herbaceous plants along with blueberries were a significant element of bear diet. Apples and pears from abandoned wild orchards and beech nuts were the major food sources in autumn. Crops and farm animals were a significant source of food in spring and autumn.