Published in Scientific Papers. Series A. Agronomy, Vol. LXIV, Issue 2
Written by Mădălina IORDACHE, Ioan GAICA
The geographic distribution of earthworms (Oligochaeta: Lumbricidae) has been only lowly studied in Romania, and for the urban diversity a few information is available. As a component of urban diversity, earthworms accomplish important roles in the soil ecosystems and in the global ecosystem, the largely known being the increase of soil fertility, the improvement of the physical-chemical properties of the soil and the management of wastes through vermicompostation. The goal of this study was to establish the species diversity of earthworms (Oligochaeta: Lumbricidae) in the Botanic Park of Timişoara, Romania, and to ecologically characterize this biodiversity through several specific ecological indices (abundance, dominance, constancy, Dzuba ecological signification, Sørensen and Jaccard similarity). Six earthworm species have been identified in the tehnosoil of the Botanic Park from Timişoara: Aporrectodea rosea, Aporrectodea caliginosa, Allolobophora chlorotica, Dendrodrilus rubidus, Lumbricus terrestris, Lumbricus rubellus.
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