Raman Trivedi

Raman Trivedi
West Bengal University of Animal and Fishery Sciences | WBUASFSCI · Department of Aquatic Environment Management

About

51
Publications
37,984
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
365
Citations
Citations since 2016
26 Research Items
343 Citations
2016201720182019202020212022020406080
2016201720182019202020212022020406080
2016201720182019202020212022020406080
2016201720182019202020212022020406080

Publications

Publications (51)
Article
Full-text available
Salinity intrusion into coastal mainland or freshwater habitat because of recent climatic changes is exacerbating production risks and challenging the coping capacity of freshwater fish farmers of Sundarban coastal delta in India. Hence, an experiment was conducted to evaluate the survival and growth performance of certain commercially important br...
Article
Full-text available
The present communication evaluates salinity tolerance of two freshwater Silurid catfishes Clarias magur and Pangasianodon hypophthalmus (Order: Siluriformes) from coastal mainland of Sundarban, India, where climate change induced salinity intrusion is a persistent phenomenon. After 100% mortality of all the fishes had been obtained from 15 to 20 g...
Article
Full-text available
In the present study, an attempt was made to document the spatial distribution and rapid diversity inventory of macro-benthic fauna from 21 sampling stations of the Indian Sundarban for a period of six months from November 2014 to April 2015. A total of 1,871 individuals belonging to 35 species were recorded which comprised 12 species of molluscs,...
Article
Landsat operational land imager (OLI) data and consequent laboratory measurements were used to predict water clarity for an inland lake within the East Kolkata Wetland, India (a Ramsar site). Total suspended sediment (TSS) and turbidity was considered as responsible parameters for assessment of lake clarity. The most suitable band ratio was identif...
Article
Full-text available
Landsat operational land imager (OLI) data and consequent laboratory measurements were used to predict water clarity for an inland lake within the East Kolkata Wetland, India (a Ramsar site). Total suspended sediment (TSS) and turbidity was considered as responsible parameters for assessment of lake clarity. The most suitable band ratio was identif...
Article
Full-text available
The present study evaluated salinity tolerance of nine commonly cultivated freshwater cyprinids (order: Cypriniformes) from coastal mainland of Sundarban, India, where salinity intrusion is a recurrent phenomenon. After 100% mortality of all the fishes had been obtained from 15 to 20 g l-1 salinity levels in the first phase of range-finding test, t...
Book
Full-text available
Islands of Sundarban are vulnerable to climate change impacts like sea level rise, soil erosion, saline water inundation as well as extreme climatic events like cyclones, storm and tidal surges. These are bound to bring changes in aquaculture scenario of the region. In changing climatic scenario, fish will be subjected to hazard of temperature and...
Article
Full-text available
The identity and distribution of Sonneratia griffithii Kurz, a critically endangered mangrove species, in India is validated and corrected. Field surveys revealed the occurrence of S. griffithii only in Andaman Islands. Further investigation has shown that specimens of S. alba from Indian Sundarbans and Odisha coast were misidentified as S. griffit...
Article
The fish seed being the major input for fish farming, there is always a growing demand for quality fish seeds. The uncertainty in the quantity and quality of riverine fish seed collection led to development of many carp hatcheries in West Bengal. But in these hatcheries, there has been large-scale mortality during the early stages and it may be due...
Article
Full-text available
The quantitative study of plankton diversity in three urban ponds (P-1, P-2 and P-3) of Kolkata in West Bengal were carried out for the months of January 2014 to June 2014.The lowest phytoplankton number (178 nos./l) was recorded in the month of January and the highest number (410 nos./l) in June in P-1.Similarly the lowest phytoplankton number (16...
Article
Full-text available
In the present study, a total of 5 species of aquatic macrophytes were recorded from three urban ponds (P-1, P-2 and P-3) of Kolkata in West Bengal and were carried out for the months of January 2014 to June 2014. Different types of macrophytes were found in P-2 and P-3 during study period. But there was no macrophyte in the P-1 pond. The average m...
Chapter
Full-text available
Fisheries and aquaculture contributes largely to food, nutritional and livelihood security in many countries including India. It contributes about 1% of the gross domestic product of India. However, both marine and inland fisheries and aquaculture have been profoundly affected by global climate change. Climate change is directly affecting the fishe...
Article
Full-text available
The macro-benthic crustacean diversity in the estuarine zones of Sundarban, West Bengal, India was studied for a period of six months (November, 2014 to April, 2015) in 21 sampling stations covering eastern, central and western zones of Sundarban. A total 20 species of crustaceans belonging to 3 orders, 9 families and 13 genera were recorded. The f...
Article
Landsat operational land imager (OLI) data and consequent laboratory measurements were used to predict chlorophyll-a (Chl-a) concentration and the trophic states for an inland lake within the East Kolkata Wetland, India (a Ramsar site). The most suitable band ratio was identified by performing Pearson correlation analysis between Chl-a concentratio...
Article
Full-text available
A study was carried out to assess the diversity, abundance and fluctuations of plankton in an oxbow lake in West Bengal. Total 21 genera of phytoplankton belonging to Chlorophyceae, Myxophyceae, Bacillariophyceae and Euglenophyceae and 21 genera of zooplankton of Copepoda, Cladecera, Rotifera, Ostracoda and Rhizopda were identified from the lake. T...
Article
Two independent experiments were performed to determine effects of salinity on survival and growth of adult Channa punctata. The purpose of the first one was to determine the median lethal salinity (MLS-5096h) and that of the second one was to assess survival and growth of the fish at different sub-lethal salinities under field conditions. 5, 10, 1...
Article
Full-text available
Ornamental fishes are the most popular pet throughout the world and high demand for these fishes has made them an important component of the world fish trade. India contributes a very meager percentage to the world ornamental fish trade; but considering the high ichthyofaunal diversity it has the potential to compete with the world’s leading orname...
Article
1) Landsat operational land imager (OLI) data and consequent laboratory measurements were used to predict Chlorophyll-a (Chl-a) concentration and the trophic states for an inland lake within the East Kolkata Wetland, India; 2) The most suitable band ratio was identified by performing Pearson correlation analysis between Chl-a concentrations and pos...
Article
Full-text available
Sewage acts as manure in production of natural food and it is converted into fish flesh by direct consumption of plankton in sewage fed aquaculture system. During the present study the advance fingerlings of Labeo rohita (Hamilton) (20 to 20.5 g weight, 12 to12.3 cm length) were exposed to four concentrations (25%, 50%, 75%, and 100%) of sewage to...
Article
Full-text available
The Labeo rohita fingerlings were cultured in different concentration (25%, 50%, 75% and 100%) of sewage water in 500 L FRP tanks in laboratory conditions for a period of 90 days. Water parameters such as temperature, pH, dissolved-oxygen (DO), alkalinity, hardness, ammonia-nitrogen (NH 3-N), phosphate phosphorus (PO 4-P), nitrate-nitrogen (NO 3-N)...
Article
Full-text available
India is the second largest fish producer in the world and dominates by the production from of West Bengal state. The Sundarban is an UNESCO declared world heritage site, situated at the southern fringes on the West Bengal state of India. Aquaculture plays a vital role in the socio-economic development of the communities living in the Sundarban eco...
Article
Full-text available
The present study was conducted in Andratharhi block of Madhubani district in the state of Bihar, with an objective to know the demographic conditional status of fish culture practices, marketing facilities and role of fisher in fisheries development. This is amongst the 100 most backward blocks of India. Questionnaire was designed to get informati...
Article
Full-text available
The present study investigated the effect of salinity on growth and survival of Anabas testudineus for assessing their culture potential in brackish water. The estimated median lethal salinity concentration of 96-hour for A. testudineus (11.74 g) was 18.86 g l-1. Based on median lethal salinity concentration, survival and growth performances were s...
Article
Full-text available
Two independent experiments were performed to determine the effects of salinity on survival and growth of juvenile Macrobrachium rosenbergii, first one was to determine the median lethal salinity (MLS-5096 h) and second one was to assess the survival and growth at different sub-lethal salinities under field condition. In MLS-5096 h study 0, 5, 10,...
Article
Full-text available
The efficacy of the synthetic reproductive hormone WOVA-FH was evaluated for the ovulatory performance and egg quality of Clarias batrachus at three different doses, viz. 0.5, 1.0 and 1.5 ml/kg of body weight of brooder fish. After a 16-h latency period, both males and females of Clarias batrachus were simultaneously taken in a ratio 1:1 for milt c...
Article
Full-text available
The advance fingerlings of Labeo rohita (Hamilton) (65 ±2 g weight, 23 ±1.25cm length) were exposed to four sub lethal concentrations (25%, 50%, 75%, and 100%) of sewage effluent to determine its effect on the biochemical parameters. The trial was conducted for a period of 90 days from April, 2014 to June, 2014. Significant changes (P≤ 0.05 level)...
Article
Full-text available
Study of indigenous piscine resources is utmost important because these fish species in its natural setting serves as ecological indicators. This contribution focuses on diversity and conservation aspects of freshwater indigenous fish resources of Indian Sundarban Biosphere Reserve. The study revealed the occurrence of 62 ichthyofauna belonging to...
Article
Full-text available
Amblypharyngodon mola and Pethia ticto are small indigenous fish species belonging to family cyprinidae and considered as primary freshwater fish widely distributed in Indian subcontinent including Sundarban region. The 96-h median lethal salinity (MLS96 h) level of these fish was found out by exposing to saline water (0-10 ppt) in direct transfer...
Article
Full-text available
Benthic organisms recorded in the Jungle beel were poor in number. Total 20 nos of species were recorded from the beel and classified into the groups like Mollusca (Gastropoda and Pelecypoda), Insecta, Annelia and Crustacea. Considering both the years gastropods were dominated among the benthic organisms. The average benthic organisms recorded to b...
Article
Full-text available
Static bioassays of 96 h duration were conducted in the laboratory using fry of Indian major carps (Catla catla, Labeo rohita and Cirrhinus mrigala), adult tubificid worm (Branchiura sp.) and copepod plankton (Cyclops sp.) to determine lethal values (LC 5 to LC 95) of quicklime (CaO), alkaline pH and acidic pH to these organisms and their interacti...
Article
Full-text available
An investigation was carried out to determine the diversity, abundance and fluctuation of plankton of the cemented eel (Monopterus cuchia) culture tank. Total 21 genera of phytoplankton belonging to Chlorophyceae, Myxophyceae, Bacillariophyceae and Euglenophyceae and 22 genera of zooplankton belonging to Copepoda, Cladocera, Rotifera, Ostracoda and...
Article
Full-text available
The impact of saline water inundation on freshwater aquaculture was evaluated through risk assessment tools. Fishponds in low-lying areas of Sagar and Basanti block are prone to saline water flooding. Respondents of Sagar block considered events like cyclone and coastal flooding as extreme risk; erratic monsoon, storm surge and land erosion as high...
Research
The effectiveness of ammonia removal by aquatic plant Pistia stratiotes from ornamental fish culture system was tested in laboratory and verified that the plant is capable of decreasing the level of ammonia. The results showed that the plant reduced the level of ammonia from 0.8020 ppm to 0.1107 ppm at the end of 15 days of the experiment. The nitr...
Article
Full-text available
Populations of mud lobster Thalassina anomala were studied on tidal flats in the Sagar island of Indian Sundarbans. Ecologically they are recognized as the 'friends of mangrove' and a 'Biological Marvel' of the system. They turn up the deep soil to the surface by regular night shift burrowing exercise and help to import aerated tidal water in the b...
Article
Full-text available
A four-month survey was conducted in two sites in West Bengal-a large ox-bow lake in Kalyani, Nadia, and a water-body in Mukundapur, South 24 Parganas, to assess the impact of human behavior on these water-bodies. Results were obtained using the participatory approach and contact and collect method as per Applied Behaviour Analysis Approach (Skinne...
Article
Full-text available
Originating from foothill of Bhutan the river Pagladia passes through Bagsa and Nalbari district in the State of Assam in Indian Territory and ultimately joins with the River Brahmaputra in the village Lawpara in Nalbari district of Assam. A study was conducted on plankton diversity in the lower-middle stretches of the tributary covering a stretch...
Article
Full-text available
Pagladia river is a major north bank tributary of the mighty river Brahmaputra. It originates from foothill of Bhutan the river Pagladia passes through Bagsa and Nalbari district in the state of Assam in Indian Territory and ultimately joins with the River Brahmaputra in the village Lawpara in Nalbari district of Assam. A study was conducted on mol...
Article
Full-text available
In order to assess the ecological conditions of a bee surrounded by industries, hospital and human habitats, a study was conducted to know the species composition, infestation rate, wet weight, dry weight of macrophytes and also metal accumulation, if any. The study carried out for a period of six months from April to September, 2001, indicated tha...

Network

Cited By

Projects

Projects (3)
Project
[1] To study the tolerance limits of few selected culture fish species in relation to acute and chronic changes in abiotic climate change stresses like salinity [2] To develop climate-resilient aquaculture strategies for better adaptation to conditions brought about through climate change, notably increased salinity for sustainable production. [3] To strengthen the capacity of fish farmers and supporting institutions to prepare and respond effectively to future climate-induced emergencies
Project
Department of Fishery and Farm Management