Browsing by Title
Now showing items 1401-1420 of 5196
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Effects of two nitrogen fertilizers on water quality and hybrid tilapia performance in fish farms
(2010)Type: Journal ArticleThe purpose of the present study was to compare the effect of urea and ammonium nitrate as nitrogen fertilizer sources with mon superphosphate on water quality and the productive performance of hybrid tilapia fish in outdoor ... -
Effects of white spot disease and bio-security on shrimp farming in Bangladesh
(2016)Type: Journal ArticleShrimp culture is of central importance in Bangladesh, shrimp being the cash component of many smallholder, polyculture fish farming systems. Shrimp also contributes substantial income through exports. However, production ... -
Efficacy and safety of boric acid as a preventive treatment against Saprolegnia infection in Nile tilapia (Oreochromis niloticus)
(2019)Type: Journal ArticleSaprolegniosis is a worldwide fungal-like infection affecting freshwater fishes and their eggs. Reports show high mortalities and subsequent economic losses annually from Saprolegnia infections. Most therapeutants against ... -
Efficacy of chemical markers and physical tags for large-scale release of an exploited holothurian.
(2006)Type: Journal ArticleHatchery-produced juveniles need to be distinguished from wild conspecifics in order to evaluate the success of restocking experiments and stock enhancement. The commercially valuable sea cucumber Holothuria scabra, or ... -
Efficacy of prophylactic health products on shrimp (Penaeus Monodon) post larvae nursing in tanks
(2019)Type: Conference PaperThe objectives of the study were to assess the efficacy of commercial PHPs on specific pathogen free (SPF) shrimp (Penaeus monodon) post larvae nursing in tanks. -
Efficiency of African catfish Clarias gariepinus in controlling unwanted reproduction of Nile tilapia Oreochromis niloticus in low input production system
(2007)Type: Journal ArticleThe present experiment was conducted in twelve earthen ponds 2100-m2 at WorldFish Center research facility at Abbassa, Egypt, to assess the efficiency of African catfish (Clarias gariepinus) in controlling unwanted Nile ... -
Efforts to save the marine environment in Tanzania
(1998)Type: Journal ArticleThe Tanzanian marine environment has been under threat for quite a long time now due to human activities. With the establishment of the Marine Parks and Reserve Act in 1994, several areas have been earmarked as marine ... -
Egypt Country Program: Achievement highlights under the implementation of the CGIAR Research Program on Fish Agri-Food Systems 2017-2021
(2021)Type: BriefThis brief highlights the major project achievements for the Egypt country program in line with the FISH Research Program strategic goals and indicators. The brief was produced taking as reference a series of key resources ... -
Egyptian aquaculture: expanding development plans
(1979)Type: Journal ArticleThe author discusses the development of aquacultural development in Egypt. -
Ekonomi perikanan: dari teori ekonomi ke pengelolaan perikanan
(1986)Type: BookRepublic of Indonesia actually has enormous fish resources potential, but the fisheries sector has yet to show its teeth in the national economy. One reason is the weakness of information flow in this field. Fisheries ... -
El Proyecto Big Numbers
(2008)Type: BriefEl Big Numbers Project (“Proyecto Gran Números”) es un esfuerzo en conjunto entre la FAO, Banco Mundial y el WorldFish Center, y se desempeña en colaboración con contrapartes nacionales. El Proyecto esta financiado por ... -
Electronic length frequency analysis: a revised and expanded user's guide to ELEFAN 0, 1 and 2
(1986)Type: ManualThis guide presents an updated and extended version of the ELEFAN 0, ELEFAN 1 and ELEFAN 2 programs for Electronic LEngth Frequency ANalysis. These programs can be used to estimate the parameters of a (seasonally oscillating) ... -
Electrophoretic evidence for extensive hybrid gene introgression into commercial Oreochromis niloticus (L.) stocks in the Philippines
(1986)Type: Journal ArticleThe usefulness of isozyme and protein markers in identifying tilapia species and their hybrids is demonstrated Genetic characterization of Oreochromis niloticus populations from commercial farms, experimental stations, and ... -
Embedding co-management: community-based fisheries resource management regime in Lake Victoria, Tanzania
(2007)Type: Conference PaperThis paper discusses fisheries management reforms through involving local level institutions (LLFI). It is based on studies which were undertaken on Tanzania’s Lake Victoria fishery where LLFIs were established through the ... -
Emerging COVID-19 impacts, responses, and lessons for building resilience in the seafood system
(2021)Type: Journal ArticleThe COVID-19 pandemic and subsequent lockdowns are creating health and economic crises that threaten food and nutrition security. The seafood sector provides important sources of nutrition and employment, especially in ... -
Emerging COVID-19 impacts, responses, and lessons for building resilience in the seafood system
(2020)Type: Concept NoteThe COVID-19 pandemic and subsequent lockdowns are creating health and economic crises that threaten food and nutrition security. The seafood sector provides important sources of employment and nutrition, especially in ... -
Emerging Information and Communication Technologies for Monitoring India’s Marine Small-Scale Fisheries, Opportunities for Inclusion, Risks of Exclusion
(2021)Type: Journal ArticleAdaptive, inclusive and effective management of fisheries resources is dependent on knowledge from multiple quantitative and qualitative sources. As technology advances, there is an increasing interest in digital and ... -
Emerging Scientist: Laura Khor
Type: BlogLaura Khor, a WorldFish Research Fellow, earned her Master of Science in Aquaculture from Universiti Malaysia Sabah and is currently working on novel approaches to monitoring and mitigating disease outbreaks in aquaculture. ... -
Emergy-based ascendency
(1994)Type: Journal ArticleAscendency is a system indicator used for describing flow characteristics of ecosystems. Experience shows, however, that ascendency is primarily a function of the flow characteristics at the lowest trophic levels. This is ... -
Empirical equations for the estimation of natural mortality in Mediterranean teleosts
(1993)Type: Journal ArticleEmpirical relationships were established linking estimates of the instantaneous rate of natural mortality (M), the von Bertalanffy growth parameters, L sub( infinity ) (or W sub( infinity )) and K, and annual mean water ...
