Browsing Sustainable aquaculture by Title
Now showing items 2329-2348 of 2402
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Value chain analysis of Egyptian fish seed production
(2014)Type: Conference PaperThe current study is designed to provide more information on one of the main inputs for the Egyptian aquaculture value chains, i.e., the supply of fish seed. The study focused on the four selected governorates, namely ... -
Value chain analysis of the Egyptian aquaculture sector
(2012)Type: Conference PaperEgypt’s aquaculture production (921,585 tonnes in 2010) is by far the largest of any African country and places it 11th in terms of global production. Despite the fact that the aquaculture sector in Egypt is now a mature ... -
Value Chain Report - Shwebo
(2019)Type: Internal ReportAs part of the baseline research conducted for this project, a value chain study was commissioned to understand the constraints facing selected aquaculture value chains and the opportunities for value-chain upgrading and ... -
Variable number of tandem repeats in the mitochondrial DNA of Dascyllus trimaculatus
(2004)Type: Journal ArticleThe primary structure of the Dascyllus trimaculatus mitochondrial (mt) control region was determined, and conserved features were identified based on sequence comparisons to other teleostean fish species. Three ... -
Vibriosis outbreaks in farmed Nile tilapia (Oreochromis niloticus) caused by Vibrio mimicus and V. cholerae
(2022)Type: Journal ArticleVibriosis is a common disease in aquaculture. Nile tilapia (Oreochromis niloticus) farmed within some commercial fish farms in Kafr El-Sheikh governorate Egypt showed signs of disease and exhibited heavy mortality. In order ... -
Video on Climate Risk Reduction in Aquaculture
(2020)Type: VideoJust like feed, lime, fertilizer, and so on, weather is an input for aquaculture. We grow fish better in good weather. Unfavorable weather events hamper the growth of fish. This is a risk for all farmers, but our farmers ... -
Village-based farming of the giant clam, Tridacna gigas (L.), for the aquarium market: initial trials in Solomon Islands
(1997)Type: Journal ArticleBetween 1989 and 1992, small-scale grow-out trials of cultured Tridacna gigas (L.) were established at 40 coastal villages in Solomon Islands. The juvenile giant clams were delivered to village participants at a mean size ... -
Vulnerabilities in aquatic animal production
(2019)Type: Journal ArticleThe role of aquatic animals in global food and nutrition security is increasingly recognised. The global demand for fish is increasing, leading to a need to significantly increase its supply. Securing future fish supplies ... -
Vulnerability of coastal livelihoods to shrimp farming: Insights from Mozambique
(2015)Type: Journal ArticleMillions of people around the world depend on shrimp aquaculture for their livelihoods. Yet, the phenomenal growth of shrimp farming has often given rise to considerable environmental and social damage. This article examines ... -
Wastewater reuse in aquaculture: socially and environmentally appropriate wastewater treatment for Vietnam
(1996)Type: Journal ArticleWastewater is reused and treated in four main types of farming in Vietnam: fish culture in 200 ha; rotation of rice and fish culture in 400 ha; land vegetables and aquatic vegetables. -
Wastewater treatment for land-based aquaculture: improvements and value-adding alternatives in model systems from Australia
(2013)Type: Journal ArticleSettlement ponds are used to remove particulate and dissolved nutrients in Australian land-based aquaculture wastewater. At best, marine and brackish water settlement ponds reduce total suspended solids by 60%, but their ... -
Wastewater use in aquaculture: research in Peru
(1995)Type: Journal ArticleUse of wastewater is an issue gaining importance throughout the (developing) world, as water sources become scarcer and competition for them increases. In Peru, research has shown the technical, economic and social feasibility ... -
Wastewater-fed aquaculture systems: status and prospects
(1996)Type: Journal ArticleIssues concerning the promotion of wastewater reuse in aquaculture are re-examined in this article. -
Water and fisheries
(2009)Type: Book ChapterThis paper highlights the importance of fisheries and aquaculture in management of the world’s water resources. It underlines the value of these resources and the critical importance of managing water quantity and quality ... -
Water management and wise use of wetlands: enhancing productivity
(2006)Type: Book ChapterLakes and reservoirs are affected by human interventions mainly by eutrophication. Changes in morphology are less common, although siltation and local alterations to the riparian zone can result from urbanisation,marina ... -
Water quality in integrated livestock-fish ponds
(1983)Type: Journal ArticleWater quality variables were monitored during 3.5 years of research on pig-fish, duck-fish and chicken-fish systems. Early morning dissolved oxygen levels were often below 0.5 mg/1. Total ammonia levels were highest in ... -
Water quality management
(2022)Type: BriefIn fish culture, water quality is the degree of how conducive the water is for fish growth and the environmental conditions that affect it. Fish farmers need to have sufficient knowledge of water quality parameters, the ... -
Water quality, fish production and economics of Nile Tilapia, Oreochromis niloticus, and African catfish, Clarias gariepinus, monoculture and polyculture
(2010)Type: Journal ArticleTilapia is the main cultured fish species in Egypt, contributing 43.5% of farmed fish production and 24% of total fisheries production. The main problem facing tilapia producers is early reproduction before fish reach ... -
Water use at integrated aquaculture-agriculture farms: experiences with limited water resources in Egypt
(2012)Type: Journal ArticleFish farming in Egypt is not formally recognized as an agricultural activity, so aquaculture cannot use water from irrigation canals. However, fish are raised as primary or secondary crops in combination with fruit and ... -
Weed control by adult and juvenile tilapia Tilapia rendalli in rainfed ponds
(1995)Type: Journal ArticleTwo studies were conducted in consecutive years over the time period 14 January to 1 July to determine whether labor-savings and fish growth enhancement could be achieved by stocking Tilapia rendalli directly into ponds ...
