Browsing WorldFish Community by Title
Now showing items 5010-5029 of 5196
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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 and sediment quality and plankton diversity of Posna beel, Tangail.
(2007)Type: Journal ArticlePhysiochemical studies on water and sediment quality and plankton diversity of Posna beel, Kalihati, Tangail were conducted during 2003-2005. Surface water temperature was minimum (16°C) during winter and maximum (33 °C) ... -
Water for fish: Sustainable inland fisheries
(2018)Type: BlogWater for fish: Sustainable inland fisheries -
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 research or water quality checking: proposed guidelines
(1990)Type: Journal ArticleA simple plan is outlined to assist in the design of water quality research and monitoring programmes at aquacultureresearch stations. Before monitoring any programme, a decision on the goals of the aquaculture research to ... -
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 requirements of floodplain rivers and fisheries : existing decision support tools and pathways for development
(2007)Type: ReportThis report comprehensively reviews current environmental flow methodologies and fisheries production models to show that the combination of the DRIFT (Downstream Response to Imposed Flow Transformation) methodology and ... -
Water resources, forests and ecosystem goods and services
(2009)Type: Book ChapterThe chapter begins with an overview of the water system in the Congo Basin, presents a synopsis of select hydrological goods and services, describes the relationship between forests and water resources in large river systems ... -
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 ... -
Water, poverty and inland fisheries: lessons from Africa and Asia
(2009)Type: Journal ArticleRelying on experience from West Africa and the Mekong Basin, the authors contend that small-scale inland fisheries are a critical element in the livelihoods of many farming households who live near water bodies in developing ... -
Water, sanitation and hygiene (WASH) survey
(2021)Type: Internal ReportThis document captures the findings of one of the annual performance surveys carried out with the project's Year-1 (Oct 2019 – Sep 2020) SSA farmers provisioned with the WASH materials. The report contains information about ... -
Watershed governance: livelihoods and resource competition in the mountains of mainland Southeast Asia
(2000)Type: OtherThis paper examines the challenges of managing the upper watersheds of mainland Southeast Asia, taking local livelihoods and resource competition as its point of departure. The analysis presents the factors of change that ... -
Waves of change: lessons learned in rehabilitating coastal livelihoods and communities after disasters
(2008)Type: BriefRehabilitating coastal livelihoods and communities after disasters is a key challenge. This brief summarizes some of the lessons learned from past experience. -
We didn’t have money or enough food’: how COVID-19 affected Papua New Guinean fishing families
Type: BlogIn March 2020, Papua New Guinea went into a state of emergency to contain the spread of COVID-19. For Ahus Island — a small atoll community of around 600 people off the north coast of Manus Island — the state of emergency ... -
Wealth, rights, and resilience: An agenda for governance reform in small-scale fisheries
(2012)Type: Journal ArticleThe diversity of social, ecological and economic characteristics of smallscale fisheries in developing countries means that context-specific assessments are required to understand and address shortcomings in their governance. ... -
Wealthy countries dominate industrial fishing
(2018)Type: Journal ArticleThe patterns by which different nations share global fisheries influence outcomes for food security, trajectories of economic development, and competition between industrial and small-scale fishing. We report patterns of ...














