Browsing by Title
Now showing items 5019-5038 of 5196
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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 ... -
Weather Index Insurance: Lessons Learned and Best Practices for Bangladesh Workshop Report, 8-9 September 2013, Dhaka, Bangladesh
(2013)Type: ReportWorldFish and the International Centre for Climate Change and Development (ICCCAD) held a two-day workshop on the topic of Weather Index-Based Insurance: Lessons Learned and Best Practices for Bangladesh. Weather index ... -
Webinar: Improving research engagement to support policy and institutional change
(2020)Type: VideoImproving research engagement to support policy and institutional change Too often, research aiming to inform public policies or strengthen institutions for effective policy implementation remains disconnected from the ... -
Webinar: Small scale fisheries in inland open water: status and opportunity
(2020)Type: VideoWeb-based Pan-Asia webinar on “Small Scale Fisheries in Inland open water: Status and opportunity” with virtual participation of experts, academicians and institutions from India, Bangladesh, Sri Lanka, Nepal, Malaysia ... -
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 ... -
Weight-fecundity relationships of Nigerian fish populations
(1998)Type: Journal ArticleParameters a and b of the power body weight (W) - fecundity (F=a W super(b)) are presented for 25 populations comprising 15 species of Nigerian fishes. Estimates of b varied between 0.511 (Parauchenoglanis akin) and 1.654 ... -
WESTERN blot analysis of plasma components of the three Tilapia species, Oreocbromis aureus, O. niloticus and Sarotherodon galilaeus
(1992)Type: Journal ArticleIn 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 ... -
Wetland agroecosystems
(2012)Type: Book ChapterCommencing with a summary of the current status, importance and productivity of natural wetlands the contribution of wetland ecological functions to sustaining vital ecosystem services is then reviewed. Provisioning services, ... -
Wetlands
(2013)Type: Book ChapterAfter commencing with a summary of the current status, importance and productivity of natural wetlands, the chapter reviews the contribution of wetland ecological functions to sustaining vital ecosystem services. Wetlands ... -
Wetlands governance in the Mekong Region: country reports on the legal-institutional framework and economic valuation of aquatic resources
(2005)Type: ReportWetlands are central to the livelihoods of rural communities through out the Mekong Region, providing vital functions and services that support the rural economy, ensure food security for the most vulnerable membrs of ...
