| Popis: |
Among numerous recently introduced species in Serbian waters, two new mussel taxa were detected. The aim of this paper is to present the current distribution of two morphotypes of the Asiatic clam - Corbicula fluminea (Muller, 1774) and C. fluminalis (Muller, 1774), in order to discuss pathways of dispersal and reasons for successful adaptation. According to our results, the morphotype C. fluminea is better adapted to local environmental conditions, while C. fluminalis has rarely been found in Serbia. At present, Asiatic clams are widespread within potamon-type rivers that are under the influence of hydro-morphological alterations and exposed to intensive ship traffic. The distribution of Corbicula, as well as some other alien aquatic invertebrate taxa (Branchiura sowerbyi, Anodonta woodiana, Orconectes limosus), indicate that heavily modified waterways are suitable recipient areas for species introduction and adaptation. Corbicula gen. sp. is a characteristic taxa for Pleistocene interglacial deposits in the Pannonian Plain. The comparison between Pleistocene and recent taxa is necessary in order to categorize Corbicula as either introduced or reintroduced taxa. |
