GLOBAL MOTIVATIONS AND AQUACULTURE DEVELOPMENT TRENDS
نویسندگان
چکیده
منابع مشابه
Aquaculture: global status and trends
Aquaculture contributed 43 per cent of aquatic animal food for human consumption in 2007 (e.g. fish, crustaceans and molluscs, but excluding mammals, reptiles and aquatic plants) and is expected to grow further to meet the future demand. It is very diverse and, contrary to many perceptions, dominated by shellfish and herbivorous and omnivorous pond fish either entirely or partly utilizing natur...
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Viral Nervous Necrosis (VNN) causes viral encephalopathy and retinopathy (VER), a hazardous and devastating disease of many species of cultured and marine fish worldwide. It caused by betanodaviruses a serious concern especially in the fry and young fish. This virus infects most of the cultured fishes causing severe mortality. Our current review focuses chiefly on recent studies performed on VN...
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Walking being the oldest form of urban transport, and until the advent of major transformationsin transport technology in the nineteenth century, most cities were structured in ways that supported walkability.Today, there is a change in transportation which emphasizes, the traditional pedestrian paths which are increasinglybecoming non-regulated spaces when compared to the urban spaces for auto...
متن کاملAquaculture: satisfying the global appetite.
Three thousand years ago, farmers in China began growing fish in freshwater ponds and a thousand years later began cultivating mollusks along coastlines. For centuries, aquaculture—the farming of fish, shellfish, and aquatic plants—remained mostly a small-scale subsistence activity providing relatively low yields. But during the past few decades, aquatic farming has abruptly undergone a startli...
متن کاملChapter 1 . Global Status and Development Trends of Alfalfa
Alfalfa (scientific name Medicago sativa L.), also called lucerne, is the “king of forages”. Its wild relatives (Medicago spp.) are distributed in vast regions, from Spain to China and from Sweden to North Africa. Alfalfa has a cultivation history of more than 4000 years. It was first cultivated in Iran, Turkmenistan and Caucasus in 2000 BC as verified by archaeological evidence, and in Babylon...
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ژورنال
عنوان ژورنال: Green, Blue & Digital Economy Journal
سال: 2020
ISSN: 2661-5282,2661-5169
DOI: 10.30525/2661-5169/2020-2-21