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Spatial and temporal differentiation of bees (Apoidea) in the forests of Wielkopolski National Park, western Poland

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Banaszak J., Cierzniak T., Wyższa Szkoła Pedagogiczna w Bydgoszczy K. B. i. O. Ś.

Acta Universitatis Lodziensis. Folia Zoologica

1994

vol. 2

Results of the investigations of spatial and temporal differentiations of Apoidea in the forests of Wielkopolski National Park were presented. It was shown that the both forest floor differ with the degree of species differentiation and domination’s structure and total number of bees. In the herbaceous layer of the forests about twice as many spedes were found than in the crowns. Also the Shannon-Weaver’s indices for bees communities of the herbs layer are higher in all three investigated forest ecosystems. The curves of Apoidea numbers in tree crowns and forest floor were similar. The curves of Apoidea numbers in the deciduous forests have one peak in the first days of May. Whereas the curves of Apoidea numbers in the pine forest have multi peak course. It was proved that trees play an important role in feeding chain of bees inhabiting deciduous forests.

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1 Acta Universitatis Lodziensis. Folia Zoologica

1 1994

1 Banaszak J.

1 Cierzniak T.

1 Wyższa Szkoła Pedagogiczna w Bydgoszczy K. B. i. O. Ś.

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Spatial and temporal differentiation of bees (Apoidea) in the forests of Wielkopolski National Park, western Poland