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Panigrahi, A. K.
- Studies on Indigenous Ornamental Fish Species with Reference to Entrepreneurship Development in Some Districts of West Bengal
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Authors
Affiliations
1 Fisheries and Aquaculture Extension Laboratory, Department of Zoology, University of Kalyani, Kalyani-741235, Nadia, West Bengal, IN
1 Fisheries and Aquaculture Extension Laboratory, Department of Zoology, University of Kalyani, Kalyani-741235, Nadia, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 6, No 1 (2009), Pagination: 7-12Abstract
West Bengal contains richest source of freshwater indigenous fishes having tremendous potential as ornamental fishes. Some of the indigenous ornamental fishes are Notopterus notopterus, Notopterus chitala, Ompok pabda, Danio devario, Brachydanio rerio, Mystus spp., Puntius spp., Chanda spp., Colisa spp., Pangasius sutchi, Glossogobius giuris, Nandus nandus, Heteropneustes fossilis, Anabus testudineus, Channa punctutus, Mastacembalus armatus, Rasbora rasbora, Chacca chacca, etc. Our survey in some districts of West Bengal revealed that these ornamental fishes are under threat due to indiscriminate introduction of exotic fishes, application of toxicants and pesticides and eradication of these potential fishes as weed fishes during composite fish culture or polyculture. But the fact is that huge demand remains in the international market for these fishes. This paper as an attempt to reveal that there is a great opportunity in entrepreneurship development among the unemployed person with more sustainable exploitation of the above indigenous fishes.Keywords
Indigenous, Aquatic Biodiversity, Entrepreneurship Development.- Indigenous Technical Knowledge Adopted by the Fish Farmers to Control Diseases and Pest of Fishes
Abstract Views :226 |
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Authors
Affiliations
1 Fisheries & Aquaculture Extension Lab, Department of Zoology, Kalyani University, Kalyani–741235, West Bengal, IN
2 Department of Fishery Extension, West Bengal University of Animal and Fishery Sciences, Panchasayar, Kolkata-700094, IN
1 Fisheries & Aquaculture Extension Lab, Department of Zoology, Kalyani University, Kalyani–741235, West Bengal, IN
2 Department of Fishery Extension, West Bengal University of Animal and Fishery Sciences, Panchasayar, Kolkata-700094, IN
Source
Journal of Environment and Sociobiology, Vol 8, No 2 (2011), Pagination: 237-240Abstract
A survey was undertaken in the districts of Nadia and North and South 24 Parganas with an objective to study as to how Indigenous Technical Knowledges (ITKs) are adopted by the fish farmers for controlling the diseases. It was observed that a number of ITKs have been adopted by the fish growers since time immemorial irrespective of the status of the grower be it domestic or commercial and marginal, small, medium or large. It was also observed that most of the ITKs have scientific explanation. These are adopted on the principle of "seeing in believing".Keywords
ITK, Fish Farmer, Fish Disease.- Activity of Pheromone in Fish and their Uses in Fish Cultures
Abstract Views :257 |
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Authors
Affiliations
1 Fisheries & Aquaculture Extension Lab, Department of Zoology, Kalyani University, Kalyani - 741235, West Bengal, IN
1 Fisheries & Aquaculture Extension Lab, Department of Zoology, Kalyani University, Kalyani - 741235, West Bengal, IN
Source
Journal of Environment and Sociobiology, Vol 8, No 2 (2011), Pagination: 265-266Abstract
Fish pheromones are much more studied than those of other nonmammalian vertebrates. A "pheromone" is a chemical that triggers a natural behavioral response in another member of the same species. There are alarm pheromones, food trail pheromone, sex pheromone and many other that affect behavior or physiology.- Information Sources Utilization Pattern Of Beel - Users for Sustainable Development of Beel Fisheries
Abstract Views :214 |
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Authors
Affiliations
1 Department of Fishery Extension, West Bengal University of Animal and Fisheries Sciences, Mohanpur Campus, West Bengal, India, Pin-741 252, IN
1 Department of Fishery Extension, West Bengal University of Animal and Fisheries Sciences, Mohanpur Campus, West Bengal, India, Pin-741 252, IN
Source
Journal of Environment and Sociobiology, Vol 1, No 1-2 (2004), Pagination: 91-94Abstract
To achieve sustainable development of beel fisheries, the role of beel users cannot he overruled. Beel users play very important role for all round development of beek. The beels are in general considered as biologically sensitive habitats of different types of fishes and also provide breeding and nursery grounds for commercially important fishes. The beels vary widely in size and offer tremendous scope for expanding both culture and capture-based fisheries. In Assam there are so many beels but their production potentiality has yet not been exploited properly. Considering the present scenario, the beel users' knowledge and utilization of information resources were studied in the present investigation. The findings of the study revealed that utilization of information sources was significantly and positively correlated with the knowledge levels of beel users for sustainable development of beel fisheries. The study further indicated that knowledge levels of beel users increased with the increase of levels of utilization of information sources in a systematic progression.- Prevailing Constraints for Development of Fishermen's Co-Operative Society in West Bengal
Abstract Views :241 |
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Authors
Affiliations
1 Department of Fishery Extension, West Bengal University of Animal and Fishery Sciences, Chakgaria, Kolkata-700 094, IN
1 Department of Fishery Extension, West Bengal University of Animal and Fishery Sciences, Chakgaria, Kolkata-700 094, IN