The autumn and spring diet of brown bear Ursus arctos in the Bieszczady Mountains of Poland

Frąckowiak, Witold; Gula, Roman

doi:10.4098/at.arch.92-34

Cited by 21 publications

(14 citation statements)

References 10 publications

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“…In addition, brown bears prefer mixed agro-forestry areas, where a large number of plant species occur in large quantities (Kanellopoulos et al 2006). Our results were similar to studies in other European countries (Berducou et al 1983;Cicnkjak et al 1987;Clevenger et al 1992;Elgmork and Kaasa 1992;Frackowiak and Gula 1992;Vlachos et al 2000) with a few variations. Table 3.…”

Section: Article In Presssupporting

confidence: 93%

“…Finally, an Importance Value (I.V.) was calculated for each food category (see also Frackowiak and Gula 1992), using the following formula:…”

Section: Article In Pressmentioning

confidence: 99%

“…The brown bear, Ursus arctos is a widely distributed mammal in Europe and its dietary habits have been widely studied in many European countries (Berducou et al 1983;Cicnkjak et al 1987;Clevenger et al 1992;Zunino and Herrero 1972;Elgmork and Kaasa 1992;Frackowiak and Gula 1992;Dahle et al 1998;Persson et al 2001;Naves et al 2006). It is generally accepted that bears vary their feeding manners according to habitat and the presence of human (Zunino and Herrero 1972;Swenson et al 2000).…”

Section: Introductionmentioning

confidence: 99%

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The dietary habits of the Brown bear (Ursus arctos) in western Greece

et al. 2010

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Knowledge of the dietary habits of an endangered species is essential to its management and conservation. The brown bear (Ursus arctos) exists in two isolated population in Greece, but only initial management actions have been taken to improve the habitat of this species. To improve our understanding of the ecology and habitat requirements of this species, we examined the dietary habits of the brown bear in the Panagia-Grevena region, of Macedonia, Greece. In total, 360 scats of brown bear were collected between 2002 and 2004 during spring, summer and autumn months. Scats were analyzed by their frequency of occurrence, volumetric and dry weights, and their importance values. Microhistological analysis was applied to estimate the proportion of wild and cultivated plants in the diet. The most important type of food in the spring was green vegetation, while, in the summer, fruits of Pyrus sp., Morus sp., Prunus sp. and Rubus sp. were important food items. In autumn, hard masts, mainly oak (Quercus sp.), were essential foods for the brown bear. The frequency of vertebrates in the diet was higher in the summer and autumn while that of invertebrates was higher in the spring. In summary, the brown bear is an omnivorous species that lives in Greece and adapts its diet according to food availability and human activities in its habitat. For this reason, human activities in the study area must take the needs and requirement of brown bears into consideration.

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Section: Article In Presssupporting

confidence: 93%

“…Finally, an Importance Value (I.V.) was calculated for each food category (see also Frackowiak and Gula 1992), using the following formula:…”

Section: Article In Pressmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The dietary habits of the Brown bear (Ursus arctos) in western Greece

et al. 2010

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“…A large part of this impact could be explained by the diet choice of bears in the study area. During this period, bears feed on emerging spring geophytes, beechnuts from the previous autumn, wild mammals (predated or scavenged), and on bait (crops and carcasses of domestic animals) at hunting towers (Frąckowiak & Gula 1992;Frąckowiak 1997). This food is earlier available at lower altitudes, while higher elevations are still covered by snow.…”

Section: Discussionmentioning

confidence: 99%

“…and raspberries (Rubus spp.) (Frąckowiak & Gula 1992;Frąckowiak 1997). Because of the higher altitude, these areas are located farther from roads and villages, therefore bears can avoid being close to villages and main roads.…”

Section: Discussionmentioning

confidence: 99%

Brown bear habitat selection in relation to anthropogenic structures in the Bieszczady Mountains, Poland

Frąckowiak¹,

Theuerkauf

Pirga

et al. 2014

Biologia

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In Europe, brown bear Ursus arctos habitats frequently overlap with human settlements and infrastructure. We tested whether anthropogenic structures played an important role in habitat selection by brown bears in the Bieszczady Mountains, Poland. We analysed 668 signs of brown bear presence recorded during 6 counts along 246 km of transects (total 1,476 km) in spring, summer and autumn of 1993 and 1994. Habitat selection of bears was more related to habitat and altitude than to human factors. Avoidance of roads, settlements and forest clearings influenced habitat selection by brown bears in spring but less in summer and autumn.

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The golden jackal (Canis aureus) and the African swine fever pandemic: Its role is controversial but not negligible (a diet analysis study)

Kemenszky

Jánoska

Nagy

et al. 2021

Veterinary Medicine & Sci

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Background In Europe, the African swine fever (ASF) pandemic mostly affects the environmental domain of health, which is a strongly human‐impacted ecosystem. However, the current control strategies focus solely on the wild boar and tend to disregard other epidemiologically relevant elements of the ecosystem. Objectives This study investigated the potential impact of the golden jackal on the surveillance effort and disease transmission. Methods For this reason, the authors analysed the content of 277 stomachs of this canid species within its westernmost inhabitant population, in order to determine the amount of suid remains, disposed. Results The findings confirmed that in a densely populated wild boar habitat, the main diet component of jackals was wild boar all the year round. The jackals disposed of 0.3–0.6 kg/km2/day offals that potentially contained suid remains. On the other hand, the scavenging activity removed the most important target objects on which the passive surveillance of ASF should be based. Conclusions This study cannot determine whether canid scavengers positively or negatively influence the control efforts; however, the impact of the jackal should not be disregarded. The results warn the necessity of a multidisciplinary approach to complex epidemiological situations within different ecosystems.

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The autumn and spring diet of brown bear Ursus arctos in the Bieszczady Mountains of Poland

Cited by 21 publications

References 10 publications

The dietary habits of the Brown bear (Ursus arctos) in western Greece

The dietary habits of the Brown bear (Ursus arctos) in western Greece

Brown bear habitat selection in relation to anthropogenic structures in the Bieszczady Mountains, Poland

The golden jackal (Canis aureus) and the African swine fever pandemic: Its role is controversial but not negligible (a diet analysis study)

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