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The main objectives of the European Community in the environment issue are the protection, conservation and also the improovement of the environment quality, in the conditions of the rational use of the resources and services of the ecosystems. In the last decades the biodiversity conservation was one of the main objectives in this rspect. This paper main goal is to offer some data and arguments in the favour of the proposal of some new Natura 2000 sites for different fish species. At the Alpine Biogeographic Seminar for the Romanian national teritory (helded at the „Lucian Blaga" University of Sibiu, Sibiu, 9-12 June 2008), it was decided the fact that the areals of some fish species are insuficiently covered with Natura 2000 sites, so new proposals were asked by the European Union representatives. As a consequence this scientific paper deal with some new such Natura 2000 sites proposals, to be accepted at a potential second Alpine Biogeographic Seminar for the Romanian national territory. These proposals of Community interest sites presented in this paper are based on the original data of the author and specific criteria (well preserved fish populations; stable fish populations; healthy fish populations; typical natural habitats; relatively low human impact; favorable geographical position), regarding the following protected fish species: Eudontomyzon mariae, Eudontomyzon vladykovi, Eudontomyzon danfordi, Barbus meridionalis, Gobio uranoscopus and Cottus gobio. [ABSTRACT FROM AUTHOR]

This is a checklist of 51 pathogens of lamprey species found in Poland, including European river lamprey Lampetra fluviatilis (Linnaeus, 1758), European brook lamprey Lampetra planeri (Bloch, 1784), Ukrainian brook lamprey Eudontomyzon mariae (Berg, 1931), Danubian brook lamprey Eudontomyzon vladykovi Oliva and Zanandrea, 1959 and sea lamprey Petromyzon marinus Linnaeus, 1758. [ABSTRACT FROM AUTHOR]