Increased use of fertilizers to increase plant production causes important environmental pollution not only in soil but also water resources. Soil structure, quality, systems, and biodiversity are adversely affected by the unconscious fertilizers. In this study, Capoeta capoeta (Guldenstaedt 1773) were used investigate degenerative effects nitrogen fertilizer. Twentyfour fish equally allocated ...

Four new brominated natural products, caelestines A-D (1-4), have been isolated from the Australian ascidian Aplidium caelestis. The structures of 1-4 were determined by analysis of their NMR and MS data. This is the first report of brominated quinolinecarboxylic acids from nature. Compound 1 has been previously synthesized but not spectroscopically characterized. Compounds 1-4 were tested agai...

112 specimens of capoeta capoeta gracilis from the shrioud river were examined. the prevalence and abundance of parasites were significantly higher in the area between the mouth to behind the opercle. susceptibility of infection was not significantly different between male and female fish. the prevalence of infection was the lowest in the largest length group. histopathological study revealed b...

Twenty-three species of Acteonidae, Bullinidae and Ringiculidae are documented from the so-called "Cabarruyan" fauna from the Plio-Pleistocene of Pangasinan, the Philippines. There are eleven species of Acteonidae, one species of Bullinidae and eleven species of Ringiculidae. Seven species are described here as new, these are: Bathyacteon valdesi nov. spec., Bullina virgoides nov. spec., Ringic...