Juniper Publishers-Oceanography Open Access Journal

  Juniper Publishers -  Journal of Oceanography Abstract For many decades the State of North Carolina (NC) witnessed fish kills in its coastal waters, particularly its inshore coastal estuarine and riverine waters. This study looks at fish kill data collected from two adjacent coastal rivers, the Neuse River and the Pamlico River, which both experienced fish kills over an 11 year period, and looks at possible naturally occurring abiotic environmental factors which may have contributed to or been responsible for the documented numbers of fish kill events and the sizes of those individual and collective events. In our study, naturally occurring abiotic environmental factors, including excessive precipitation or the lack thereof, and seasonal atmospheric wind fields, and subsequent estuarine circulations, were found to be responsible for creating strongly vertically salt stratified conditions in both river- estuaries, lowering dissolved oxygen levels in the bottom layers in the t...

  Juniper Publishers -  Journal of Oceanography Abstract Rare actinomycetes are the genera of actinomycetes other than Streptomycetes found in less expored environment. Some of the actinomycetes genera such as Sinomonas, Nocardia, Micromonospora, Actip lanes, Pseudonocardia, Actinomadura, Micrbobispora are known as the novel species. Rare actinomycetes have been found to produce extremely useful secondary metabolites. They have the good antagonistic activity against the various human pathogens. Hence, it is believed to give a promising output of commercially important product for pharmaceutical industries. Keywords:  Rare actinomycetes; Novel species; Antagonistic activity; Secondary metabolites; Antibiotics Go to Introduction Actinomycetes are widely spread in nature, which are recognized to produce novel secondary metabolites. Among the overall genera in nature, actinomycetes by itself produce 70-80% of the existing antibiotics. In that, Streptomycetes found to produce ...

  Juniper Publishers -  Journal of Oceanography Abstract Digestibility of dry matter and nutrients by  Catla catla  was investigated from three feed ingredients-Azolla, soybean and silkworm pupa incorporated at levels ranging from 0-40% incorporated into a diet consisting equal amounts of rice bran and groundnut oil cake. Total dry matter digestibility (DMD) and protein digestibility of Azolla diets were comparable with the control diet up to 20% incorporation (p>0.05), reducing there after (p<0.05). On the other hand, fat digestibility increased with the level of Azolla incorporation (p<0.05). The digestibility of nitrogen-free extract (NFE) was higher (p<0.05) at 10 and 20% levels. DMD and protein digestibility of soybean diets were higher (p<0.05) at 40% incorporation, and that of fat and NFE were higher (p<0.05) at both 30 and 40% levels. Protein digestibility of silkworm pupa diets showed no difference (p>0.05) with that of the control, whil...