Academic literature on the topic 'Extensive fish farming'
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Journal articles on the topic "Extensive fish farming"
Amian, Atsé Franck, Eboua Narcisse Wandan, Melecony Célestin Blé, Adja Ferdinand Vanga, and Pierre Joseph Assi Kaudhjis. "Etude Des Determinants Socioeconomiques Et Techniques De La Psciculture Extensive En Cote D’ivoire." European Scientific Journal, ESJ 13, no. 6 (February 28, 2017): 389. http://dx.doi.org/10.19044/esj.2017.v13n6p389.
Full textSHINDE, ADITYA. "Design and Manufacturing of Solar Operated Automatic Fish Feeder System." INTERANTIONAL JOURNAL OF SCIENTIFIC RESEARCH IN ENGINEERING AND MANAGEMENT 08, no. 05 (May 9, 2024): 1–5. http://dx.doi.org/10.55041/ijsrem33180.
Full textМалыгина, Валентина, Ксения Антошина, and Татьяна Гончарова. "О развитии рыбного хозяйства Донецкой Народной Республики путем организации рыбоводства речных рыб." ИЗВЕСТИЯ ДАЛЬНЕВОСТОЧНОГО ФЕДЕРАЛЬНОГО УНИВЕРСИТЕТА. ЭКОНОМИКА И УПРАВЛЕНИЕ, no. 3 (2020): 87–97. http://dx.doi.org/10.24866/2311-2271/2020-3/87-97.
Full textTulli, Francesca, José M. Moreno-Rojas, Concetta Maria Messina, Angela Trocino, Gerolamo Xiccato, José M. Muñoz-Redondo, Andrea Santulli, and Emilio Tibaldi. "The Use of Stable Isotope Ratio Analysis to Trace European Sea Bass (D. labrax) Originating from Different Farming Systems." Animals 10, no. 11 (November 5, 2020): 2042. http://dx.doi.org/10.3390/ani10112042.
Full textHungria, Anderson Paixão, Monique Damasceno Pinto, Antônia Rafaela Gonçalves Macedo, Osnan Lennon Lameira Silva, Regiara Croelhas Modesto, Lenilton Alex de Araujo Oliveira, Lian Valente Brandão, and Fabricio Nilo Lima da Silva. "Understanding the Abandonment of Aquaculturists: A Case in the Amazon (North of Brazil)." Aquaculture Journal 4, no. 3 (August 14, 2024): 148–62. http://dx.doi.org/10.3390/aquacj4030011.
Full textMartins, Williane Maria de Oliveira, Márcia Cristina Nascimento Justo, Melissa Querido Cárdenas, and Simone Chinicz Cohen. "Seasonality of parasitic helminths of Leporinus macrocephalus and their parasitism rates in farming systems in the Amazon." Revista Brasileira de Parasitologia Veterinária 26, no. 4 (November 9, 2017): 419–26. http://dx.doi.org/10.1590/s1984-29612017062.
Full textKumara, H. K. R. S., K. S. S. Atapaththu, S. S. Herath, N. P. Vidanapathirana, and M. M. K. I. Marasinghe. "Exploring Ecological Functions of Rice-Fish Integration in the Agricultural Landscape: A Review to Investigate Feasibility of Implementing Rice-Fish Integration in Sri Lanka." Journal of Agro-Technology and Rural Sciences 3, no. 2 (June 7, 2024): 24–35. http://dx.doi.org/10.4038/atrsj.v3i2.53.
Full textGIRARD, Léo, Alexander WEZEL, and Joël ROBIN. "Drying out fish ponds, for an entire growth season, as an agroecological practice: maintaining primary producers for fish production and biodiversity conservation." Open Research Europe 3 (August 18, 2023): 125. http://dx.doi.org/10.12688/openreseurope.16363.1.
Full textGIRARD, Léo, Alexander WEZEL, and Joël ROBIN. "Drying out fish ponds, for an entire growth season, as an agroecological practice: maintaining primary producers for fish production and biodiversity conservation." Open Research Europe 3 (October 15, 2024): 125. http://dx.doi.org/10.12688/openreseurope.16363.2.
Full textPilin D.V., Tumenov A.N., Tuleuov A.M., Oskina A.A., Bulekov N.U., and Dnekeshev A.K. "Use of data on zoobenthos reserves of fishless reservoirs to assess potential production of bentophage fish similar small reservoirs of north-west Kazakhstan." Novosti nauki Kazahstana, no. 3 (September 30, 2022): 39–45. http://dx.doi.org/10.53939/15605655/2022_3_39.
Full textDissertations / Theses on the topic "Extensive fish farming"
Girard, Léo. "Étangs piscicoles et services écosystémiques : Relations entre pratiques de gestion, maintien de la biodiversité et stockage de carbone." Electronic Thesis or Diss., Paris, AgroParisTech, 2024. http://www.theses.fr/2024AGPT0008.
Full textEurope is home to a large number of “pond landscapes”, many with origins dating back to the Middle Ages and a historic vocation for fish farming. Despite their man-made nature, these environments are known for their capacity to harbor significant biodiversity, with rare, even endemic or endangered species. With the abandonment of fish farming, combined with other threats such as climate change, a significant number of these ponds have disappeared in recent decades. Until recently, and despite the important role they can play, these small water bodies have been neglected in research, but also in public policies.In this PhD thesis work, we looked at the effects of different fish farming management practices on ecosystem services provided by fish ponds. First, we analyzed the practice of drying-out ponds and its impact on both biodiversity and fish yields. Secondly, we explored the impacts of different fish density management on macrophyte community characteristics. And finally, we studied fish ponds as potential carbon sinks or sources, and the effects of management practices on these carbon balances.To contribute to the scientific knowledge on these topics, we capitalized on historical data collected in the Dombes region (Ain, France) since 2007, but also on data collected as part of the European PONDERFUL project, between 2021 and 2022, in Dombes and Midden-Limburg (Belgium). We analyzed data on water and sediment physico-chemistry, as well as biodiversity (macrophytes, phytoplankton and macroinvertebrates), carbon storage and emissions, and fish farming management practices (time since the last dry year, fish stocking, fertilization).Our results show that drying-out is a major agroecological practice for extensive pond fish farming. This voluntary draining facilitates the recolonization of macrophytes and their diversity when the pond is re-watered. The second year in water is characterized by an "unstable state" of equilibrium between the two primary producers. This state appears to be favorable to biodiversity, production and carbon storage. Intensification of production, through increased fish densities, nevertheless has negative effects on macrophyte species richness. It also impacts community structure. Ponds used for fish farming have subsets of species that nest in the richer communities of ponds managed without fish. We were also able to show a very high degree of variability in the carbon balances of 20 fish ponds. On average, monitored ponds appear to be carbon sinks, with around 4 tonnes of CO2 equivalent stored per hectare over 6 months. The dry year, on the other hand, is characterized by high greenhouse gas emissions.All these elements confirm that fish ponds, combined with extensive practices, can provide numerous ecosystem services. Fish production is not incompatible with biodiversity conservation. The sustainability of these environments in European landscapes, and of the ecosystem services they provide, depends on the maintenance of these management practices. Even if it seems possible to reconcile provisioning and support services, in the future it will be necessary to establish a hierarchy of desired services, particularly in view of the inverse effects that certain management practices may have
Books on the topic "Extensive fish farming"
Mahida, Navghan. Differences Between Intensive and Extensive Fish Farming. Arcler Education Inc, 2023.
Find full textMahida, Navghan. Differences Between Intensive and Extensive Fish Farming. Arcler Education Inc, 2022.
Find full textSharma, Shruti, Akhilesh Gaur, and Anil Bisht. Handbook on Fish Farming : (an Extension to Present Fish Farming Tools & Techniques). Independently Published, 2019.
Find full textBook chapters on the topic "Extensive fish farming"
Oswald, Marc. "Extensive Fish Farming, a Complementary Diversification of Plantation Economies." In Economics and Ecology of Diversification, 201–24. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-7294-5_9.
Full textAdeleke, M. L., D. Al-Kenawy, A. M. Nasr-Allah, M. Dickson, and Desalegn Ayal. "Impacts of Environmental Change on Fish Production in Egypt and Nigeria: Technical Characteristics and Practice." In African Handbook of Climate Change Adaptation, 789–805. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-45106-6_153.
Full textMatthews Mbokane, Esau, Lucia Matlale Mbokane, Seraku Samuel Motimele, and Samkelisiwe Nosipho Hlophe-Ginindza. "Successes and Challenges of Catfish Farming in the Small-Scale Industry in Southern Africa." In Catfish - Advances, Technology, Experiments [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.106380.
Full textJeffrey*, S. W., M. R. Brown*, and J. K. Volkmant†. "Haptophytes as feedstocks in mariculture." In The Haptophyte Algae, 287–302. Oxford University PressOxford, 1994. http://dx.doi.org/10.1093/oso/9780198577720.003.0015.
Full text"efficiency. By measurements of total odour strength in a treatment plant the ED values pointed out the sludge press and dewatering process as the predominant odour sources of the plant. In the venting air from this position extremely high ED values were recorded. This air was led through a carbon filter for odour reduction. Olfactometric measurements at the filter revealed poor odour reducing efficiency. It was observed that odour compounds were not destroyed in the filter. They only restrained until the carbon became saturated, and thereafter evaporated into the outlet air contributing to the odour strength. The filter capacity was obviously too small for the heavy load. Attempts to reduce the odour strength before the filter did not succeed, until the air was led through a container filled with saturated lime slurry (pH = 12-14). The slurry was part of a precipitation process in the plant. Dispersion in the alkaline slurry extensively reduced the odour strength of the air, resulting in sufficient capacity of the carbon filter also when handling heavy loads of sewage sludge. Since then the carbon filter has worked well, within the limitation of such filters in general. Neither is it observed signs indicating reduced precipitation properties of the lime slurry. Measurements of total odour strength in combustion processes imply sampling challenges. Beside the chemical scrubber process, combustion of odorous air is the best odour reducing method. The disadvantage of this process is the high energy costs. Treatment at apropriate conditions, however, will destroy the odorous compounds extensively. Temperatures about 850 C and contact time up to 3 seconds are reported (2,3). Olfactometric measurements in combustion processes involve certain sampling problems caused by the temperature difference between inlet and outlet. The humidity of outlet air must also be taken into consideration. Problems may occur when hot outlet air is sampled at low temperatures. In most such cases sampling is impossible without special arrangements. Such conditions are present during odour measurements in fish meal plants with combustion as the odour reducing method. The largest problem turned out to be the temperature differences between outlet air (85-220 C) and outdoor temperatures (0-15 C), causing condensation. The dew point of the outlet air was calculated, and experiments were carried out with dilution of the outlet air to prevent condensation in the sampling bags. Condensation was prevented by diluting the outlet air 5-150 times with dry, purified N gas. Comparison of N -diluted and undiluted samples revealed large differences in ED value. In samples demanding a high degree of dilution to prevent condensation, the measured odour strength was up to 5 times higher than in the undiluted corresponding samples. Samples demanding less dilution showed less deviating results. 4. CONCLUSIONS In the attempt to minimize odour emission, olfactometric measurements of total odour strength give useful informations about the odour reducing efficiency of different processes as a function of parameters like dosage of chemicals in scrubbers, humidity and temperature in packed filters, flow rates, etc. Olfactometric measurements also point out the main odour sources of the plant. From a set of olfactometric data combined with other essential." In Odour Prevention and Control of Organic Sludge and Livestock Farming, 98. CRC Press, 1986. http://dx.doi.org/10.1201/9781482286311-34.
Full textConference papers on the topic "Extensive fish farming"
Cruz, Francis Cedric, Kamran Mahmudov, Andreas Marouchos, and Amy Bilton. "A Feasibility Study on the Benefits of Feedback Aerator Control in Precision Aquaculture Applications for the Developing World." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-98087.
Full textPal, Saptarshi, and Chengi Kuo. "Feasibility of Repurposing Offshore Decommissioned Gas Rigs into Fish Farms." In SPE Offshore Europe Conference & Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205446-ms.
Full textThomassen, Paul E., and Bernt J. Leira. "A Prototype Tool for Analysis and Design of Floating Fish Cages." In ASME 2005 24th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2005. http://dx.doi.org/10.1115/omae2005-67383.
Full textReports on the topic "Extensive fish farming"
Breewood, Helen, and Tara Garnett. Meat, metrics and mindsets: Exploring debates on the role of livestock and alternatives in diets and farming. TABLE, March 2023. http://dx.doi.org/10.56661/2caf9b92.
Full textFunkenstein, Bruria, and Cunming Duan. GH-IGF Axis in Sparus aurata: Possible Applications to Genetic Selection. United States Department of Agriculture, November 2000. http://dx.doi.org/10.32747/2000.7580665.bard.
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