نتایج جستجو برای: rutilus rutilus caspius
تعداد نتایج: 1379 فیلتر نتایج به سال:
Forestry is continually changing the habitats for many forest-dwelling species around the world. The grey-sided vole (Myodes rufocanus) has declined since the 1970s in forests of northern Sweden. Previous studies suggested that this might partly be caused by reduced focal forest patch size due to clear-cutting. Proximity and access to old pine forest and that microhabitats often contains stones...
Purpose. To assess the variability of histological parameters medial zone roach (Rutilus rutilus) liver. establish level effect transformed conditions existence on fish physiological status. determine prospect using monitoring data in ichthyological practice to morphofunctional state fish. Methodology. Primary materials were obtained different parts Southern Bug River, which differ their degree...
Examination of the original literature concerning species of Philometra (Philometridae, Dracunculoidea) parasitic in the abdominal cavity of European cyprinids revealed that P. abdominalis Nybelin, 1928 is a junior synonym of P. ovata (Zeder, 1803), a parasite of cyprinids of the genera Gobio, Phoxinus and Leuciscus. The valid name of the species parasitizing cyprinids of the genera Abramis, Ru...
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