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Suresh, V. R.
- Fishing Gears in Lower Stretch of River Ganges and Issues Related to them With Regard to Sustainable Fisheries
Abstract Views :1833 |
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Authors
Affiliations
1 Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700120, IN
1 Central Inland Fisheries Research Institute, Barrackpore, Kolkata - 700120, IN
Source
Journal of Environment and Sociobiology, Vol 12, No Sp Iss (2015), Pagination: 24-24Abstract
The lowermost 500 km of the river Ganges in India faced major changes in its ecology and fisheries due to a major human induced modification in 1975 through the construction of Farakka barrage to divert sufficient portion of Ganga water through Bhagirathi for keeping Kolkata port functional. Increased freshwater discharge affected salinity regime by downward shifting of saline zone of the estuary. This stretch of the Ganga is known for its lucrative fishery of migratory hilsa along with many other prized fishes. A recent investigation revealed the presence of as many as 24 different types of fishing gears which are in operation to harvest fishes from all ecological niches. Major fishing gears involved in capture fishery in lower stretch of river Ganga in India are various forms of gill net and bag net. Bag nets contribute in average 73% of the total catch whereas drift gill net contribute about 24% of the total fish catch in Hooghly estuary. The rest of the gears catch about only 3% of the total catch. Distribution, seasonality and catch pattern of gears in different sampling centres are described in the present communication. It was observed that non-selective gears like Beenti jal (bag net), Chaurpata jal (set barrier), Ber jal (Seine net), Vessal jal (lift net), etc., catch lot of fish larvae and juveniles due to their smaller mesh size and thus poses a serious threat to sustainable fisheries in lower stretch of river Ganges. Formulation of suitable policies and their implementation is need of the hour to save precious fish diversity vis-a-vis fisheries.
- Electric Ray Narcine timlei (Torpediniformes:Narcinidae) from Chilika Lagoon, Odisha, India
Abstract Views :455 |
PDF Views:161
Authors
C. M. Roshith
1,
R. K. Manna
1,
V. R. Suresh
1,
D. Panda
1,
A. P. Sharma
1,
A. Roy Chowdhury
1,
M. Mukherjee
1,
S. K. Banik
1
Affiliations
1 Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
1 Central Inland Fisheries Research Institute, Barrackpore, Kolkata 700 120, IN
Source
Current Science, Vol 110, No 8 (2016), Pagination: 1408-1410Abstract
The Chilika, situated along India's eastern coast (in Odisha), is the largest brackish water lagoon in Asia with water spread varying from 906 km2 during summer to 1165 km2 during monsoon. It is among the most internationally focused Ramsar site in India owing to its rich biodiversity, including species that have been categorized as threatened by IUCN.Full Text
- Litopenaeus vannamei (Boone, 1931), the Pacific Whiteleg Shrimp in River Cauvery
Abstract Views :580 |
PDF Views:181
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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