Now showing items 1943-1962 of 1997

    • Value chain analysis of Egyptian fish seed production 

      Nasr-Allah, A.M.; Dickson, M.W.; Al-Kenawy, D.A.; Fathi, M.; El-Naggar, G.O.; Azazy, G.E.; Dawah A.; Grana, Y.S.; Diab, A.M. (2014)
      Type: Conference Paper
      The 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 

      Nasr-Allah, A.; Macfadyen, G.; Dickson, M.; Al-Kenawy, D.A.; Fathi, M.; El-Naggar, G. (2012)
      Type: Conference Paper
      Egypt’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 

      McCarty, A.; May, S. (2019)
      Type: Other (Study Report)
      As 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 

      Chen, C.A.; Ablan, M.C.A.; McManus, J.W.; Bell, J.D.; Tuan, V.S.; Cabanban, A.S.; Shao, K.T. (2004)
      Type: Journal Article
      The 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 ...
    • Video on Climate Risk Reduction in Aquaculture 

      Rahman, M.; Anisuzzaman, A.
      Type: Video
      Just 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 

      Bell, J.D.; Lane, I.; Gervis, M.; Soule, S.; Tafea, H. (1997)
      Type: Journal Article
      Between 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 

      Chadag, V.; Subasinghe, R.; Delamare-Deboutteville, J.; Phillips, M.J.; Vishnumurthy Mohan Chadag: 0000-0002-2574-284X; Jerome Delamare-Deboutteville: 0000-0003-4169-2456; Michael John Phillips: 0000-0002-0282-0286 (2019)
      Type: Journal Article
      The 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 

      Blythe, J.; Flaherty, M.; Murray, G. (2015)
      Type: Journal Article
      Millions 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 

      Edwards, P. (1996)
      Type: Journal Article
      Wastewater 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 

      Castine, S.A.; McKinnon, A.D.; Paul, N.A.; Trott, L.A.; de Nys, R. (2013)
      Type: Journal Article
      Settlement 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 

      Prein, M. (1995)
      Type: Journal Article
      Use 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 

      Edwards, P. (1996)
      Type: Journal Article
      Issues concerning the promotion of wastewater reuse in aquaculture are re-examined in this article.
    • Water and fisheries 

      Dugan, P.; Bandi, B.; Béné, C. (2009)
      Type: Book Chapter
      This 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 

      Welcomme R.L.; Brummett, R.E.; Denny, P.; Hasan, M.R.; Kaggwa, R.C.; Kipkemboi, J.; Mattson, N.S.; Sugunan, V.V.; Vass, K.K. (2006)
      Type: Book Chapter
      Lakes 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 

      Hopkins, K.D.; Inocencio, P.; Cruz, E.M. (1983)
      Type: Journal Article
      Water 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, fish production and economics of Nile Tilapia, Oreochromis niloticus, and African catfish, Clarias gariepinus, monoculture and polyculture 

      Ibrahim, N.; El-Naggar, G.; Nabil Ahmed Ibrahim: 0000-0002-2007-7684 (2010)
      Type: Journal Article
      Tilapia 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 

      van der Heijden, P.G.M.; Nasr Alla, A.; Kenawy, D. (2012)
      Type: Journal Article
      Fish 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 

      Brummett, R.E. (1995)
      Type: Journal Article
      Two 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 ...
    • WESTERN blot analysis of plasma components of the three Tilapia species, Oreocbromis aureus, O. niloticus and Sarotherodon galilaeus 

      Oberst, S.; Villwock, W.; Renwrantz, L. (1992)
      Type: Journal Article
      In past studies erformed to differentiate among commercially important species of the Tilapia group, erythrocytes o the different species were successfully investigated in agglutination tests with lectins and Tilapia ...
    • Wetlands management in Vietnam's Mekong Delta: an overview of the pressures and responses 

      Torell, M.; Salamanca, A.M. (2003)
      Type: Report
      This paper introduces the characteristics of the Delta and outlines the pressures that are impinging on the sustainability of the Delta's wetlands. Although these pressures are non-linear and interacting, three are considered ...