Research ArticleOpen accessIn the abstractPotential, Implications and Solutions Regarding the Use of Rendered Animal Fats in AquafeedsJesse T. Trushenski, Rebecca T. LochmannProblem statement: In the past, aquafeeds were comprised largely of fish meal and fish oil derived from marine reduction fisheries. In addition to being highly palatable and readily digested by cultured fishes, these feedstuffs were historically inexpensive sources of protein, energy and essential nutrients. However, increasing cost and concerns over safety and sustainability have greatly incentivized the transition from fish … …American Journal of Animal and Veterinary Sciences, Vol. 4, Issue 4 · 31 Dec 2009 · 13,998 accessesView PDFCite
Research ArticleOpen accessIn the abstractFluctuations of Phytoplankton Community in the Coastal Waters of Caspian Sea in 2006Siamak Bagheri, Mashhor Mansor, Marzieh Makaremi et al.Problem statement: The Caspian Sea ecosystem has been suffered with many problems since 1980s. Aanthropogenic pollution from heavy metals, hydrocarbons, pesticides, changes in the quantity of nutrient inputs by rivers, are significant threats to biodiversity and biological resources such as plankton structure in the Caspian Sea. According to the significant of phytoplankton community in marine system. The state of the … …American Journal of Applied Sciences, Vol. 8, Issue 12 · 20 Oct 2011 · 8,456 accessesView PDFCite
Research ArticleOpen accessIn the abstractExtraction and Purification of Collagenase Enzymes: A Critical ReviewSaid M Daboor, Suzanne M Budge, Abdel E Ghaly et al.Problem statement: Enzymes have vital roles in several industrial processes (foods, cosmetics, nutraceuticals and pharmaceuticals) due to their highly selective nature and high activity at very low concentrations. Recent efforts to identify new sources of useful enzymes have been concentrated on the marine environment because of the potential to make use of processing wastes. About 35-50% of the mass of … …American Journal of Biochemistry and Biotechnology, Vol. 6, Issue 4 · 31 Dec 2010 · 14,311 accessesView PDFCite
Research ArticleOpen accessIn the abstractMarketing Strategies in Port Industry: An Exploratory Study and a Research AgendaAngelos M. Pantouvakis, C.I. Chlomoudis, Athanasios G. DimasProblem statement: Market globalization increases demand and the competition between firms. Ports as basic figurative nodes cannot remain separate from this change. Technological improvements, the increased demand of marine transports, the demand for new, bigger and more specialized vessels, has increased the competition among ports. Approach: In this competitive environment business mistakes may be proved fatal and marketing strategies arise … …American Journal of Economics and Business Administration, Vol. 2, Issue 1 · 31 Mar 2010 · 8,730 accessesView PDFCite