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Das, B. K.
- Litopenaeus vannamei (Boone, 1931), the Pacific Whiteleg Shrimp in River Cauvery
Abstract Views :300 |
PDF Views:90
Authors
C. M. Roshith
1,
V. R. Suresh
1,
S. K. Koushlesh
1,
R. K. Manna
1,
S. K. Sharma
1,
S. Sibinamol
2,
Ajoy Saha
2,
R. C. Mandi
1,
M. E. Vijayakumar
2,
A. Roy Chowdhury
1,
B. K. Das
1
Affiliations
1 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
2 Bangalore Research Centre of ICAR-CIFRI, Hessarghatta Lake Post, Bengaluru 560 089, IN
1 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
2 Bangalore Research Centre of ICAR-CIFRI, Hessarghatta Lake Post, Bengaluru 560 089, IN
Source
Current Science, Vol 115, No 8 (2018), Pagination: 1436-1437Abstract
The Pacific whiteleg shrimp, Litopenaeus vannamei (Boone, 1931) is a natural inhabitant of tropical marine waters along the Eastern Pacific coast, from the Gulf of California (Mexico) to Tumber (North of Peru), where the year-round water temperature normally exceeds 20°C (refs 1, 2). Presently, it is the most widely cultured shrimp species all over the world. Its farmed area is expanding mainly due to the availability of specific pathogen-free (SPF) seeds in the international market and its phenomenal success in farming systems due to the ability to tolerate wide salinity ranges (0-45 ppt), fast growth rate, low dietary protein requirement (30-35%), column feeding habit and amenability for crowding and very high stocking densities3,4.Full Text
References
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- Fishers’ Livelihood Diversification in Bhagirathi–Hooghly Stretch of Ganga River in India
Abstract Views :186 |
PDF Views:73
Authors
Affiliations
1 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
1 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
Source
Current Science, Vol 116, No 10 (2019), Pagination: 1748-1752Abstract
For the resource-poor fishers, livelihood diversification is a strategy to cope with the uncertainties and inadequateness of fisheries as a profession. The present study is an attempt to assess the socioeconomic conditions together with livelihood diversification of fishermen households of the Bhagirathi– Hooghly stretch of Ganga River. Data were collected by personally interviewing 500 fishermen from Sagar to Farakka (560 km stretch) in West Bengal using survey schedules in 2016. Analysis of data indicated that the socio-economic conditions of fishermen households were not encouraging. Fishing is the main occupation of around 88.60% of fishers and overall, fishing contributes about 70.30% to the total income of the family. Average number of income-generating activities per household ranged from 1.43 in the lower stretch to 1.79 in the upper stretch. Further, it was found that not only the average household income and number of income sources were limited, their level of diversification was also quite low. The monthly income of a household was found to be Rs 9391. The income is higher in the lower stretch because of higher catch and high value fish in the catch. Fishery as an only profession is unable to provide a decent life. The study also revealed that among other factors, the Simpson index contributes positively and significantly towards per capita income of the fisher households. However, in the absence of suitable alternative opportunities, the resource is under pressure. Government needs to develop appropriate strategies to facilitate successful livelihood diversification. Facilities may be created for non-fishing activities like fish marketing kiosks, cloth weaving facilities, agro-processing in fruit orchard areas, e-rickshaws and so on. Fishers may be trained in other income-generating activities like carpentry, embroidery, dress making, driving, etc. for better livelihood.Keywords
Diversification, Ganga, India, Occupation, Riverine Fisher.Full Text
References
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- Bhaumik, U. and Sharma, A. P., Present status of Hilsa in Hooghly– Bhagirathi river, ICAR-Central Inland Fisheries Research Institute, Bulletin No. 179, 2012.
- Vass, K. K., Samanta, S., Suresh, V. R., Katiha, P. K. and Mandal, S. K., Current Status of river Ganges, Central Inland Fisheries Research Institute, Barrackpore, India, Bull No. 152, 2008.
- Ali, A. D., Naser, N. M., Bhaumik, U., Hazra, S. and Bhattacharya, S. B., Migration, Spawning patterns and conservation of hilsa Shad (Tenualosa ilisha) in Bangladesh and India. International Union for Conservation of Nature and Natural Resources. Academic Foundation, New Delhi, 2014, p. 81.
- Vass, K. K., Mondal, S. K., Samanta, S., Suresh, V. R. and Katiha, P. K., The environment and fishery status of the River Ganges. Aquat. Ecosyst. Health Manage., 2010, 13(4), 385–394; doi:10.1080/14634988.2010.530139.
- Present status, distribution and relative abundance of IUCN Red-listed fish species of River Ganga
Abstract Views :159 |
PDF Views:76
Authors
Affiliations
1 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
2 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, India, IN
1 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
2 ICAR-Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, India, IN
Source
Current Science, Vol 121, No 5 (2021), Pagination: 709-714Abstract
Quarterly field sampling was conducted from 2016 to 2020 to understand the distribution and current status of IUCN Red-listed fish species along the entire stretch of River Ganga. During the study, 18 fish species belonging to 8 orders and 12 families were recorded under the IUCN Red list. Fishes belonging to the family Synodontidae contributed highest among the threatened group. The status of fish species have been categorized on the basis of IUCN Red list. Among 18 fish species, Clarias magur and Tor putitora were categorized as endangered, whereas Wallago attu and Schizothorax richardsonii were categorized as vulnerable. The present study suggests the necessary management plans and conservation strategies for these IUCN Red-listed fish species of River Ganga.Keywords
Fish, IUCN Red list, relative abundance, River Ganga.Full Text
References
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