Published in Scientific Papers. Series D. Animal Science, Vol. LXVII, Issue 1
Written by Dorina-Marieta PURICE, Minodora MANU, Marilena ONETE
The aim of this paper is to highlight some interspecific relationships existing in epigeic invertebrate communities in natural forest ecosystems and plantations in the Western Romanian Plain. Nine sites were studied: 2 natural forests and 7 plantations. The material was collected with Barber traps during the summer season. The fauna was identified at the higher level of the species and Coleoptera: Carabidae - at species level, using specific identification keys. The following aspects were analysed: taxonomic composition, status of the taxa in the local coenoses from the point of view of their constancy classes in the samples, as well as the linear correlation coefficient (r) between the predatory taxa but also between the predators and their food sources. The results of this study highlight the importance of the coenotic heterogeneity in ensuring complex and long-lasting interspecific relationships along the path of ecological succession, resulting in a quality supply of environmental services provided by forests.
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