Experiments were conducted in non-desilted and de-silted earthen nursery ponds for a period of fifteen days to evaluate the growth and survival of Catla spawn. The fry attained an average weight of 42.03 +/- 0.36 and 74.36 +/- 72 mg, with a survival rate of 23.44 +/- 0. 31 and 50.91 +/- 0.21% in non-desilted and de-silted ponds respectively Mentioned length data also indicate that growth and su...

In this paper, we consider the singularity category Dsg(modA) and Z-graded Dsg(modZA) for a Gorenstein monomial algebra A. Firstly, positively graded 1-Gorenstein algebra, prove that its admits silting objects. Secondly, A=KQ/I being has tilting As consequence, is triangulated equivalent to derived of hereditary H which finite representation type. Finally, give characterization algebras, descri...

A total of 3528 specimens of freshwater turtles belonging to two families viz., Geoemydidae (Brown River Turtle, Kachuga smithi; Indian Saw-backed turtle, K. tecta; Brahminy Rrive Turtle, Hardella thurgi; Spotted Pond Turtle, Geoclemys hamiltonii) and Trionychidae (Indian Soft-shell Turtle, Aspederates gangeticus; Peacock Soft-shell Turtle, A.hurum; Narrow-headed Soft-shell Turtle, Chitra indic...

The permeability of sand covered with geotextile is affected by the geotextile, which related to tensile state geotextile. Considering weaving mode effects warp tension and weft on were studied experiment. Four different specifications geotextiles selected for respectively. changes parameters under non tension, measured vertical instrument, such as seepage velocity, loss gradient ratio analyzed...

The objective of this study is to analyze the dynamics Niger riverbed occupationin Niamey. methodology used based on processing satellite images and their interpretation. results showed, between 1973 2018, a reduction free (from 2415.28 ha in 1952.88 2018 i.e. regression 29.91 ha) following its progressive occupation by irrigated crops, dwellings islands, about 10.27 ha/year. islands surface ar...

http://dx.doi.org/10.1590/0102-311X00000616 An emblematic case of journalism that is contrary to the public interest was the coverage, by newspapers O Globo and Folha de S. Paulo about the worst socioenvironmental disaster in Brazil, which affected the municipality of Mariana, Minas Gerais State, and the entire Doce river valley, caused by mining company Samarco, a joint venture between Brazili...