51 research outputs found

    Not Available

    No full text
    Not AvailableThe Sagar Island, situated at the mouth of Hoogly River and known as Ganga Sagar, is a part of Indian Sundarbans and rich in rivulets, creeks and mangrove swamps. The low-lying Sagar Island is cyclone prone but inhibited by many settlements flanking the coastline. Tribal population particularly, Santhal and Munda clans are settled in some pockets of Sagar Island. Poverty, illiteracy and financial exclusion made the tribal community vulnerable to economic shock. An attempt was made to improve the livelihoods of the rural poor through improved fish culture practices in derelict water bodies in Khan Saheber Abad village of Sagar Islands. Fish seed, feed, fertilizers, nets etc. were distributed to fifteen numbers of households to encourage them for fish culture in the derelict waters in the village. After a culture period of eleven months, a total of 1,057 kg fish was harvested from an area of 1.017 ha of derelict water bodies. Fish species named Scatophagus argus, Liza parsia, Liza tade, Rhinomugil corsula, Mystus gulio were cultured in brackish water while, fresh waters were stocked by Catla catla, Labeo rohita, Cirrhimus mrigala, Labeo bata, Puntius sarana and small indigenous fish viz., Amblypharyngodon mola, Puntius ticto and Salmostomo bacaila for continuous availability of fishes for nutritional security of the poor villagers. Cost benefit ratio1.39 was achieved which show that utilization of derelict waters could be an alternative livelihood for the rural tribal’s of Sagar Island.Not Availabl

    Not Available

    No full text
    Not AvailableCanals in Indian Sundarbans are still underutilized in terms of sustainable fish production. Erection of barriers in these canals is a common practice for catching fishes. This may lead to intensive fishing of innate fishes and also barring natural recruitment into the canal. To rejuvenate and augment fish productions from canals, a degree of management is required for these resources. ICAR-CIFRI has initiated the staggered stocking of IMC in six freshwater canals of Sundarbans. It was reported that the practice of simple release of Indian Major Carps (IMC) in these canals produced 800 kg/ha/year of table sized fish without supplementary feeding. Similarly, in net partitions the maximum size recorded for catla, rohu and mrigal was 1.2, 1.0 and 0.80 kg respectively after six months of culture period. Stock enhancement in canals may be one of the noble options for sustainable fish production as well as support of the livelihood of rural poor fishers in Sundarbans. Attention has to be given to this pre-existing habitat to save water needed for farming and conservation of sustainable fish production.Not Availabl

    <span style="font-size:11.0pt;font-family: "Times New Roman";mso-fareast-font-family:"Times New Roman";mso-bidi-font-family: Mangal;mso-ansi-language:EN-GB;mso-fareast-language:EN-US;mso-bidi-language: HI" lang="EN-GB">Evaluation of Nutritional and Biochemical aspects of <i style="mso-bidi-font-style: normal">Po:ro apong<u> </u></i>(<i style="mso-bidi-font-style:normal">Saimod</i>) - A home made alcoholic rice beverage of <i style="mso-bidi-font-style:normal">Mising</i> tribe of Assam, India</span>

    No full text
    499-504Po:ro apong (saimod) is a socio-culturally important alcoholic rice beverage unique to the Mising Tribe of Assam in India. The various steps involved in the preparation of saimod and its nutritional aspects were evaluated through biochemical analysis of the finished product. About 16 (sixteen) different plant species having medicinal values are used for preparation of the epop (yeast starter). The finished product (po:ro apong) is reported to have medicinal values and finds applications in homely treatment of various ailments. The use of burnt ash of rice husk and rice straw during the preparation of this beverage is unique. Biochemical analysis shows that the finished product is acidic beverage and contains almost all metabolically important nutrients with the detectable amount of amylase enzymes. The alcohol content in the consumable finished product is significantly higher (7.52% - 18.5% v/v) as compared to other popular rice beer. The microbial load in different stages of the po:ro fermentation was recorded as 549 x107cfu/gm in epop followed by 414 x 107 in ripe mash and 8,700 ± 6.332 cfu/mm3 in filtrate product (po:ro <i style="mso-bidi-font-style: normal">apong)

    Not Available

    No full text
    Not AvailableLength–weight relationships (LWRs) and length–length relationships (LLRs) of two endemic Channid fish species, Channa aurantimaculata Musikasinthorn, 2000 and C. stewartii (Playfair, 1867) were studied from Brahmaputra River basin in Assam, India. Sampling was done from May to December, 2017 and a total of 81 fish specimens were collected using bamboo traps. In the LWRs, b value for C. aurantimaculata and C. stewartii were 3.0456 and 2.9172 respectively. Maximum size recorded for C. aurantimaculata in the present study (34.1 cm) was higher than previous record in FishBase (19.1 cm).Not Availabl

    Not Available

    No full text
    Not AvailableThe present study deals with the detailed investigation on population dynamics of the near-threatened catfish Ailia coila (Hamilton, 1822), which inhabits the Brahmaputra River of India and forms an important component of freshwater inland fishery, providing nutritional and financial security to the local community. A total of 1034 individuals were collected by weekly sampling from the Uzanbazar and Dhubri landing centres of this river system from September 2013 to April 2014. The estimated asymptotic length (L∞), growth coefficient (K) and age at zero length (t0 ) of A. coila were 268 mm, 0.87 yr-1 and t0 = 0.000028 years respectively. Estimated total mortality (Z), natural mortality (M) and fishing mortality coefficient (F) were 5.76, 1.63 and 4.13 yr-1 respectively. Using von Bertalanffy growth formula (VBGF) the length attained at the end of first, second and third years of life were estimated at 156, 221 and 248 mm, respectively. The von Bertalanffy growth equation of this fish can be written as Lt = 268 [1-e- 0.87(t+0.000027866)]. The exploitation ratio (U) and exploitation rate (E) and M/K ratio were estimated at 0.71, 0.72 and 1.87, respectively.Not Availabl

    Not Available

    No full text
    Not AvailableLength–weight relationships (LWRs) and length–length relationships (LLRs) of two endemic Channid fish species, Channa aurantimaculata Musikasinthorn, 2000 and C. stewartii (Playfair, 1867) were studied from Brahmaputra River basin in Assam, India. Sampling was done from May to December, 2017 and a total of 81 fish specimens were collected using bamboo traps. In the LWRs, b value for C. aurantimaculata and C. stewartii were 3.0456 and 2.9172 respectively. Maximum size recorded for C. aurantimaculata in the present study (34.1 cm) was higher than previous record in FishBase (19.1 cm).Not Availabl

    Not Available

    No full text
    Not AvailableLength–weight relationships (LWRs) and length–length relationships (LLRs) of two endemic Channid fish species, Channa aurantimaculata Musikasinthorn, 2000 and C. stewartii (Playfair, 1867) were studied from Brahmaputra River basin in Assam, India. Sampling was done from May to December, 2017 and a total of 81 fish specimens were collected using bamboo traps. In the LWRs, b value for C. aurantimaculata and C. stewartii were 3.0456 and 2.9172 respectively. Maximum size recorded for C. aurantimaculata in the present study (34.1 cm) was higher than previous record in FishBase (19.1 cm).Not Availabl

    Not Available

    No full text
    Not AvailableThe present study deals with the detailed investigation on population dynamics of the near-threatened catfish Ailia coila (Hamilton, 1822), which inhabits the Brahmaputra River of India and forms an important component of freshwater inland fishery, providing nutritional and financial security to the local community. A total of 1034 individuals were collected by weekly sampling from the Uzanbazar and Dhubri landing centres of this river system from September 2013 to April 2014. The estimated asymptotic length (L ∞), growth coefficient (K) and age at zero length (t 0) of A. coila were 268 mm, 0.87 yr-1 and t 0 = 0.000028 years respectively. Estimated total mortality (Z), natural mortality (M) and fishing mortality coefficient (F) were 5.76, 1.63 and 4.13 yr-1 respectively. Using von Bertalanffy growth formula (VBGF) the length attained at the end of first, second and third years of life were estimated at 156, 221 and 248 mm, respectively. The von Bertalanffy growth equation of this fish can be written as L t = 268 [1-e-0.87(t+0.000027866) ]. The exploitation ratio (U) and exploitation rate (E) and M/K ratio were estimated at 0.71, 0.72 and 1.87, respectively.Not Availabl

    Not Available

    No full text
    Not AvailablePrawn and crab fisheries in Tapti River – A peninsular river, India.Not Availabl

    Not Available

    No full text
    Not AvailableThe canal systems in Indian Sundarbans, West Bengal cover 907.33 ha area and offers a huge resources for fisheries development and livelihood. Naturally, fish enter to these canals from the source waters and form natural populations. Despite having vast resources, a little attention is paid to boost Inland fish production from canals. To understand the ecology and development of suitable practices/ techniques in canal systems, an effort was made for the sustainable fish production. Bharua canal a tidal fed canal connected with river Hooghly at Shibpur, Fraserganj of Sundarbans was selected to enhance fish production. The total length of canal is 2 km, average width of 45 m and water depth ranged from 3 to 8 feet. Three numbers of net partition system (NPS) were constructed with dimension of 50m × 45m covering an area of 2,250 m2 each partition system. Water temperature (27.50±0.49°C), transparency (27.71±2.10 cm), Dissolved oxygen (5.61±0.13mgL- 1), pH (7.68±0.04), salinity (2.28±0.11gL-1) were recorded during the trial. Diatoms (Bacillariophyceae) were dominated across the seasons. The quantitative abundance of phytoplankton and Zooplankton in the canal was 9522±2170 cellsl-1 and1918±97ind/l respectively. Rotifera shared dominance (45%) followed by crustacean nauplii (20%) and cladocera (12%). A total of 16 species of fish under 7 orders and 10 families were recorded. With the native fishes, fingerlings of Indian Major Carps Labeo catla, Labeo rohita and exotic carp Ctenopharyngodon idella were stocked @2 nos./m2 in a ratio of 50: 40: 10 in a net partition system (NPS) installed in the canal. After a culture period of 180 days, the average size recorded for Labeo catla, Labeo rohita and Ctenopharyngodon idella were 265.61 ± 25.44 g, 184.63 ± 26.13 g and 221.57 ± 21.94g respectively. In addition to stocked fishes, considerable quantity of small indigenous fish (SIF’S) like Puntius sophore, Puntius ticto, Amblypharngyodon mola, Salmostomo bacaila were caught from NPS. In the present study, culture of fish in NPS showed feasible option in the canal. Hence, the NPS can be look upon as a potential culture practice to enhance the fish production and productivity from the unutilized canal resources. Adoption of this culture practice will provide a nutritional security, generate employment opportunity, and improve the livelihood and socioeconomic status of the rural populace of Indian Sundarbans.Not Availabl
    corecore