Title: Some regulatory mechanisms in populations of Tribolium confusum Duval and Tribolium castaneum Herbst


Prus, Tadeusz

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Regulation in Tribolium populations ; Niektóre mechanizmy regulacji liczebności populacji Tribolium confusum Duval i Tribolium castaneum Herbst (Coleoptera, Tenebrionidae)


Polska Akademia Nauk. Komitet Ekologiczny


Państwowe Wydawnictwo Naukowe

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Pages 335-374 : illustrations ; 24 cm ; Bibliographical references (pages 372-373) ; Abstract in Polish


The paper deals with self-regulation processes in confined populations of Tribolium. Using the marking method, studies were made of the effects of adult population density and of conditioning of the medium on fecundity and egg mortality resulting from cannibalistic predation in experimental populations. The estimates were made of rates of fecundity, egg cannibalism and the survival of eggs. The two species revealed very efficient regulatory mechanisms which, under certain ecological conditions, can restrain almost completely the recruitment of new larvae to the populations. It was found that in T. confusum it was the egg cannibalism which was the major mean of regulation, and in T. castaneum – the restriction of potential fecundity, associated with crowding and conditioning of the medium.


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Ekologia Polska. Seria A





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Operational Program Digital Poland, 2014-2020, Measure 2.3: Digital accessibility and usefulness of public sector information; funds from the European Regional Development Fund and national co-financing from the state budget.



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Nov 10, 2020

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