INVASIVE AND POTENTIALLY INVASIVE PLANT SPECIES IN WETLANDS AREA OF BANAT PUBLISHED

Carola, OTVES, Alina, NEACȘU, Alina, G.-G., ARSENE
Abstract: Recent publication indicate a considerable proportion of adventive plants species included in the Romanian flora (ANASTASIU & NEGREAN, 2005, 2007, 2008, 2009, DIHORU, 2004, CULIȚĂ & OPREA 2011 etc.). Concerning the west and south-west of Romania, the uneven importance of these species within the plant kingdom (by regions, the impact on economy and human health) and within the organization of biodiversity are both aspects partially tackled herein. We present a number of 82 adventive species signaled in the wetlands of Banat area (bibliographic synthesis, along with own data and observations): OPREA & OPREA 1968, MORARIU & DANCIU, 1970, RACLARU, ALEXAN, 1972, MORARIU et al., 1973 (in manuscript COSTE, 2001); GRIGORE, 1971, TODOR et al., 1971, ARVAT, 1977, GRIGORE & COSTE, 1977, PEIA, 1978, COSTE et al., 1999, ARSENE et al., 2000; SÂRBU A. et al. (2007, in CULIȚĂ & OPREA 2011), NEACȘU, 2008 etc., also specifying the chorology. We also discuss, from a biological and ecological standpoint, certain species that we deemed as having a major present impact or are a threat to the biodiversity and stability of these ecosystems: Acorus calamus L., Paspalum paspalodes (Michx.) Scribn., Elodea canadensis Michx., E. nuttallii (Planchon) St John, Azolla filiculoides Lam., Vallisneria spiralis L., Mimulus guttatus Fisch. ex DC., Sicyos angulatus L., Juncus tenuis Willd., Cyperus difformis L., Amorpha fruticosa L., Asclepias syriaca L. and Reynoutia japonica Houtt., with the mentioning of the habitats where these are present (DONIȚĂ et al., 2005). The participation of adventive species in the aquatic and marsh plant structure of Banat, especially in the context of reducing wetlands in this area and including most of them in the Nature 2000 network, demands applied research on the management of non-native populations.
Key words: invasive plant species, potentially invasive plant species, wetlands, Banat
Presentation: oral

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