Grains in the diets of medium-sized carnivores – a case of diplochory?

• Autorzy: Kurek P. , Holeksa J.
• Języki publikacji: EN

Abstrakty

EN

Although most grasses (including cereals) are described as epizoochoric or anemochoric, many authors have shown that grains may be dispersed via the digestive tracts of animals, i.e. are endozoochoric. Cereals have been reported from carnivores' faeces several times; nevertheless, there is no data about the fate (i.e. capacity to germinate) of these grains. The scope of this paper is to focus on the role of medium-sized carnivores as potential secondary dispersers of grains. In 2010–2011, we examined 619 faeces of badgers Meles meles, foxes Vulpes vulpes and martens Martes sp. Faeces were collected every month from June to November in Kampinos National Park (KNP). In seven cases (1.1%) we found 64 grains of a total of two species of cereals: rye, Secale cereale and oats, Avena sativa, in the faeces of red fox and martens, with the red fox samples predominant. Some of the seeds retained the capacity to germinate and to establish seedlings. In two cases, included as accompanying material, feathers of a bird were found, which may suggest secondary dispersal of cereals via carnivores' guts.

Słowa kluczowe

EN

cereal; grain; diet; carnivore; gastrointestinal tract; animal; endozoochory; granivorous bird

• Wydawca: -
• Czasopismo: Polish Journal of Ecology
• Rocznik: 2015
• Tom: 63
• Numer: 2
• Opis fizyczny: p.286-290,ref.

Twórcy

autor

Kurek P.

• Department of Ecology, Institute of Botany, Polish Academy of Sciences, 46 Lubicz, 31-512 Krakow, Poland

autor

Holeksa J.

• Department of Plant Ecology and Environmental Protection, A. Mickiewicz University, 89 Umultowska, 61-614 Poznan, Poland

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Identyfikatory

DOI

10.3161/15052249PJE2015.63.2.012