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- Abhijit Mitra
- Sufia Zaman
- Rajiv Chakraborty
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- Avijit Gangopadhyay
- Shibdas Basu
- Atanu Kumar Raha
- Parbati Golui
- Arnab Banerjee
- Debasis Mondal
- Nibedita Muikhopadhyay
- Rajib Chakraborty
- Navratan Mehta
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Journals
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Banerjee, Kakoli
- Abiotic Indicators of Climate Change in Indian Sundarbans
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Authors
Affiliations
1 Department of Marine Science, Univerisity of Calcutta, 35 B. C. Road, Kolkata 700 019, West Bengal, IN
1 Department of Marine Science, Univerisity of Calcutta, 35 B. C. Road, Kolkata 700 019, West Bengal, IN
Source
Indian Science Cruiser, Vol 23, No 2 (2009), Pagination: 54-57Abstract
Coastal zones are particularly vulnerable to climate variability and change. Key concerns include sea level rise, land loss, changes in maritime storms and flooding, responses to sea level rise and implications for water resources. The IPCC estimates that the global average sea level will rise between 0.6 and 2 feet (18 to 59 cm) in the next century. India has been identified as one amongst 27 countries, which are most vulnerable to the impacts of global warming - induced sea level rise. Any global warming-induced climatic change such as increase in sea surface temperature, change in frequency, intensity or tracks of cyclones, sea level rise may aggravate the potential risks to coastal zones and estuarine systems of the Indian sub-continent. The adverse impact of climate change on estuarine system stems from the fact that global warming may cause changes in the salinity level of the coastal and estuarine waters, the amount of , oxygen in the water, pollution level and turbidity levels due to increased frequency of erosion caused by amplified tidal amplitude.
On this background, an investigation was undertaken in the aquatic system of mangrove dominated Indian Sundarbans considering surface water temperature, salinity and dissolved oxygen as indicators. Possible adverse impacts on the human society due to such change have also been highlighted.
- Oil Spill :A Potential Threat to Marine and Estuarine Compartments
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Authors
Affiliations
1 Department of Marine Science, University of Calcutta, 35B allygunge Circular Road. Kolkata -700019, IN
1 Department of Marine Science, University of Calcutta, 35B allygunge Circular Road. Kolkata -700019, IN
Source
Indian Science Cruiser, Vol 22, No 1 (2008), Pagination: 11-15Abstract
The marine and estuarine compartments are important components of our future generations. The biological productivity, taxonomic diversity and aesthetic beauty of this aquatic resource area of the planet Earth needs to be preserved for rational exploitation and sustainable use of its biotic and abiotic components. With the advent of civilization, the pace of industrialization and urbanization has increased exponentially which has posed a significant negative impact on the positive health of the marine and estuarine compartments. The spillage of oil in the aquatic phase of such compartments is a matter of great concern, as the entire food chain may get disturbed depending on the magnitude, nature and residence time of the spilled oil. The present paper highlights this im portant issue through some relevant studies.Keywords
Oil spill; Benthic compartment; Crude oil;Tanker accident.- Endocrine disrupting chemicals in the marine and estuarine environment
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Authors
Affiliations
1 Dept. of Marine Science, University of Calcutta, 35 B. C. Road, Kolkata - 700 019, IN
2 Cept. of Physics and School for Marine Science and Technology (SMAST), University o f Massachusetts, Dartmouth, USA, US
1 Dept. of Marine Science, University of Calcutta, 35 B. C. Road, Kolkata - 700 019, IN
2 Cept. of Physics and School for Marine Science and Technology (SMAST), University o f Massachusetts, Dartmouth, USA, US
Source
Indian Science Cruiser, Vol 22, No 2 (2008), Pagination: 18-23Abstract
In the last few decades, several scientific studies have revealed that the marine and estuarine environment is vulnerable towards various endocrine disrupting chemicals (EDCs). EDCs are structurally diverse group of compounds that may damage the health of humans, wildlife, fisheries and their progeny by the interaction with the endocrine system. EDCs encompass a wide spectrum of chemicals like pesticides (such as DDT, lindane and vinclozolin) and industrial chemicals (such as phthalates, bisphenol A and alkylphenols). These groups of chemicals have considerably adverse effect not only on the individual species, but also on the marine and estuarine biotic community. Several EDCs also bioaccumulate and biomagnify through food chain posing a great risk (mostly reproductive failure) to the top level members of the trophic level.- Interrelationship Between Hydrological Parameters and chlorophyll α Concentration in and Around Indian Sundarbans
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Authors
Affiliations
1 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Paraganas (South), West Bengal 743 329, IN
2 Department of Marine Science, University of Calcutta, 35, B.C.Road, Kolkata 700 019, IN
3 Additional PCCF, Directorate of Forest, Govt, of West Bengal, Aranya Bhawan, Salt Lake, Kolkata-98., IN
1 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Paraganas (South), West Bengal 743 329, IN
2 Department of Marine Science, University of Calcutta, 35, B.C.Road, Kolkata 700 019, IN
3 Additional PCCF, Directorate of Forest, Govt, of West Bengal, Aranya Bhawan, Salt Lake, Kolkata-98., IN
Source
Indian Science Cruiser, Vol 21, No 2 (2007), Pagination: 22-28Abstract
Phytoplankton are minute, free floating, floral communities that are widely available in the marine and estuarine waters. They are totally dependent on nutrient availability, transparency, salinity and temperature of the water body. A comparative study was conducted to monitor the interrelationship between selected hydrological parameters (like surface water temperature, transparency, pH, salinity, dissolved oxygen, nitrate, phos phate and silicate) and chi α concentration at twenty different sampling stations in and around Indian Sundarbans during 2003 on seasonal basis. Significant positive correlation values were observed between salinity, pH and chl α, confirming high salinity and slightly alkaline pH to be extremely favourable for the growth and survival of the phytoplankton species in the present geographical locale. The importance of transparency in promoting the growth of phytoplankton has also been confirmed. The significant negative relationships between phytopigment (chl α) level and nutrient (nitrate and phos phate) concentrations of the ambient water confirm the necessity of nutrients as building blocks of marine phytoplankton. However an insignificant relationship was observed between chl α and silicate. This may be due to less abundance of siliceous diatoms in com parison to flagellates in the present study area.Keywords
Indian Sundarbans; Phytopigment; Phytoplankton; Nutrients; Correlation.- Enzymatic study of the crystalline style of two estuarine gastropods, Telescopium telescopium and Cerithedia obtusa of Indian Sundarbans
Abstract Views :122 |
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Authors
Affiliations
1 Department of Marine Science, University of Calcutta 35, B C Road, Kolkata 700019, IN
1 Department of Marine Science, University of Calcutta 35, B C Road, Kolkata 700019, IN
Source
Indian Science Cruiser, Vol 21, No 3 (2007), Pagination: 37-42Abstract
Enzymatic study of crystalline style of two bent hie gastropods, Telescopium telescopium and Ceritheclia obtusa collected from Chemaguri and Sagar Island region respectively during January, 2007 was undertaken. Crystalline style is a long, flexible rod-like, hyaline and usually colourless structure containing amylase and glycogenase, which are set free in the stomach. Amylase activity of the crystalline style was found to be 0.1041 mg maltose/ mg of total protein in case of Telescopium telescopium and 0.078 mg maltose/ mg of total protein in case of Cerithedia obtusa. In case of Telescopium telescopium, alkaline protecise activity was found 0.0105 mg tyrosine/ mg of total protein and acid protease activity was 0.00135 mg tyrosine/ mg of total protein. Pro tease was found to be absent in Cerithedia obtusa.- APPLICATIONS OF MARINE MICROBES FOR HUMAN WELFARE
Abstract Views :136 |
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Authors
Affiliations
1 Department of Marine Science, University of Calcutta, 35, B. C. Road, Kolkata-19, IN
1 Department of Marine Science, University of Calcutta, 35, B. C. Road, Kolkata-19, IN
Source
Indian Science Cruiser, Vol 21, No 5 (2007), Pagination: 39-43Abstract
The present paper discusses the distribution of marine microbes in the estu aries, continental shelves and the deep sea. These habitats (except the deep sea environment) are congenial for the growth and survival of marine mi crobes due to high nutrient, photon energy and optimum salinity. The appli cation of marine microbes in the production of antibiotics, anti-tumour com pounds and enzyme and also in the sphere of bioremediation has opened a new avenue for the benefit of mankind.- Mangrove Fruit A Source of Vitamin C
Abstract Views :117 |
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Authors
Abhijit Mitra
1,
Parbati Golui
2,
Arnab Banerjee
3,
Debasis Mondal
3,
Nibedita Muikhopadhyay
4,
Kakoli Banerjee
Affiliations
1 Department of'Marine Science, University of Calcutta, 55, Btdlygange Circular Road, Kolkata -700 019, IN
2 Boolean Logic Pvt. Ltd., Garia, Kolkata-7 00 084, IN
3 Good Earth Enviro Care, Narendrapur , Kolkata-700 103, IN
4 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Pgs (S), India., IN
1 Department of'Marine Science, University of Calcutta, 55, Btdlygange Circular Road, Kolkata -700 019, IN
2 Boolean Logic Pvt. Ltd., Garia, Kolkata-7 00 084, IN
3 Good Earth Enviro Care, Narendrapur , Kolkata-700 103, IN
4 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Pgs (S), India., IN
Source
Indian Science Cruiser, Vol 20, No 3 (2006), Pagination: 28-35Abstract
Vitamin C, chemically known as ascorbic acid is an essential, water-soluble vitamin. Most mammals can synthesize vitamin C from glucose, but a few including human being cannot synthesize it within body system. Green fruits (citrus fruits) and vegetables are the rich sources of naturally occurring vitamin C. In plants, vitamin C accumulates during the ripening process and is presumably synthesized within the plant cells from naturally occurring glucose. Like terrestrial plants many mangrove plants are the rich source of vitamin C. Indian Sundarbans, at the apex of B ay of Bengal is situated in the north-eastern coast of the Indian sub-contincnt, which harbours a luxuriant mangrove vegetation. These very specialized vegetations play a vital role in maintaining the economic structure of the coastal population and are not only the source of timber, fire-ujood, honey, wax, alcohol, tannins and medicines, but also the fruits of mangrove species like Sonneratia apetala serve as potential natural reservoir of vitamin C, which i f properly utilized may fulfill the nutritional requirement of the coastal populations. The present paper is an attempt to highlight the vitamin C level of Sonneratia apetala fr u it under different condi tions of growth and cooking. It was documented that the vitamin C content in the fru it of Sonneratia apetala varies as per the order: green fruit > ripe fruit > boiled fruit > fruit ja m . The vitamin C content of Sonneratia fruit is very close to the citrus fru it orange and therefore, speaks in favour of proper utilization of this fru it in upgrading the health and economy of the coastal people of Indian Sundurbans.- Study on The Water Quality of The Shrimp Culture Ponds in Indian Sundarbans
Abstract Views :123 |
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Authors
Abhijit Mitra
1,
Rajib Chakraborty
1,
Kakoli Banerjee
1,
Arnab Banerjee
1,
Navratan Mehta
1,
Henrik Beig
1
Affiliations
1 Department of Marine Science, University of Calcutta, WWF-Indiia Secretariat, Sunderbans Landscape Project, Canning Field Office, 24 Parganas (S) - 743329, Boolean Logic Pvt Ltd, 19, North Srirampur Road, Garia, Kolkata - 700084, IN
1 Department of Marine Science, University of Calcutta, WWF-Indiia Secretariat, Sunderbans Landscape Project, Canning Field Office, 24 Parganas (S) - 743329, Boolean Logic Pvt Ltd, 19, North Srirampur Road, Garia, Kolkata - 700084, IN
Source
Indian Science Cruiser, Vol 20, No 1 (2006), Pagination: 34-43Abstract
Shrimp culture has high prospect in the socio-economic framework of Indian Sundarbans. However, the activity has considerable impact on the ambient environment in terms of water quality. The present programme has scanned the aquatic environment of 10 shrimp culture ponds at 10 different sampling stations of Indian Sundarbans with respect to surface water temperature, salinity, pH, transparency, nutrients, oil and grease and phytopigment levels along with the Condition Index of the cultured shrimps. The selected ponds are exposed to varying degree of anthropogenic pressure on the basis of their proximity to the highly urbanized and industrialized city of Kolkata and threats posed by brick kilns, tourism related pressure, non-scientific methods of shrimp culture etc. The health of the shrimp was found better at Bali and Chotomollakhali, where the adverse impact of city sewage is minimum and shrimp feed was scientifically formulated to maintain the water quality.References
- F Hmoud Alkahem, S All Al-akel, Zubir Ahmed, Samsi and J K Mohammed, 1997. Lengthweight relationship. Condition co-defficient (K) and realtive condition co-efficient (KN) of Oreochromis niloticus from Wadi Hanefah stream, Saudi Arabia. Geobios, 24: 3-9.
- Kakoli Banerjee, Ph D thesis submitted in 2003. Study on the Ecology and Distribution of Phytoplankton in the Coastal Zone of West Bengal, India.
- Kakoli Banerjee, Sutapa Das and Abhijit Mitra, 2005. Temporal loss of ichthyoplankton due to wild harvest of prawn seeds in Indian Sundarbans. Sehaiyana (In Press).
- S W Jeffrey and G R Humphrey. 1975. New spectrophotometric equations for determining chlorophylls a, b, Cj and C2 in higher plants, algae £md natural phytoplankton. Biochem Physiol PJlanzen Bd, 167: 191-194.
- M J Maceina and B R Murphy 1988. Variation in the weight to length relationship among Florida and Northern large mough bass and their interspecific Fl hybrid. Trans. Am. Fish. Soc, 117: 232-237.
- Abhijit Mitra, 2000. The northwest coast of the Bay of Bengal and deltaic Sundarbans. In: Seas at the Millenium - An environmental evaluations. Chapter 62 (Editor: Charles Sheppard, University of Warloich, Coventy, U.K.). Elsevier Science, 143-157.
- Abhijit Mitra and Arnab Banerjee, 2005. Experimental Approach Towards Ecofriendly Aqua culture in Coastal West Bengal. Interim Project Report. A joint project oJNOR-FEED, Department ojMarine Science, University of Calcutta and Boolean Logic Pvt. Ltd.
- Abhijit Mitra and D P Bhattacheiryya, 2003. Environmental issues of shrimp farming in mangrove ecosystems. Journal oJ Indian Ocean Studies, Vol II (1), 120-129.
- Abhijit Mitra and Amalesh Choudhury, 1995. Causes of water pollution in prawn culture farms. Journal oJ Indian Ocean Studies, Society for Indian Ocean Studies, Vol. 2(3): 230235.
- Abhijit Mitra, Amalesh Misra, Bhrigunath Singh, Subrata Trivedi, Ananda Gupta, Abhijit Choudhuri and Amalesh Choudhury, 1995. Biodiversity loss due to intense wild harvest of prawn seeds in mangrove environment of Sundarbans, W. B., India. National symposium on perspective in biodiversity. The Zoological Society, Calcutta [India).
- A Mitra, S K Sasmal, A Choudhury and D P Bhattacharyya, 2000. Seasonal variation of ichthyoplankton in mangrove ecosystem of Indian Sundarbans. Indian Journal of Environment and Ecoplanning, Vol. 3(3): 535-538.
- A Mitra, S K Sasmal, S Mitra, S Choudhury and D P Bhattacharyya, 1999. Ichthyoplankton richness around Sagar Island, W. B., India. Journal ojinland Fisheries Society ojIndia, Vol. 31 (l); 38-42.
- Indrani Rajkhowa, 2005. Action in aquaculture - opportunities in a quaint specialization. Business Today (May 22 Issue), 131.
- S B Saha, B B Ghosh, and V Gopalakrishnan, 1995. Plankton of Hooghly estuary with special reference to salinity and temperature. Journal oJMarine Biological Association oJIndia, 17 (1): 107-120.
- S Sen, 1998. Environment, Law of sea and coastal zone. World Wide Fund for Nature, jlndia. Eastern Region.
- J D H Strickland and T R Parsons, 1972. A Practical Handbook of Seawater Analysis! Fisheries Research Board oJ Canada, Ottawa, 310.
- S Trivedi, A Mitra, A Choudhuri, A Gupta, B Singh and A Choudhury 1994. A case study on the loss of Biodiversity during Prawn seed collections from the Hooghly Estuary, India. Proceeding of the National Conuention on Enuironment of India-Challenges for the 21st Century; Institution of Public Health Engineers, India, T-V/16 - T-V/24.
- Oceanography: A journey in search of ischolar_main
Abstract Views :105 |
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Authors
Affiliations
1 Department of Marine Science, University of Calcutta, 35, B.C. Road, Kolkata 700 019, IN
2 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Paraganas (South), West Bengal 743 329, IN
1 Department of Marine Science, University of Calcutta, 35, B.C. Road, Kolkata 700 019, IN
2 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Paraganas (South), West Bengal 743 329, IN
Source
Indian Science Cruiser, Vol 20, No 5 (2006), Pagination: 31-36Abstract
Oceanography is a multidisciplinary subject in which the knowledge of geology, geophysics, chemis try, physics, meteorology, computer science and biology are used to understand the oceans. Physical oceanography critically investigates about the marine meteorology, the study of heat transfer, water cycles, ocean current and air sea interactions. Chemical oceanography studies the composition and history of seawater, its processes and interactions. Geological oceanography deals with various proc esses of ocean surface and ocean basins. Biological oceanography restricts itself in the domain of marine biota and the relationship between marine biodiversity and ocean environment. Ocean en gineering is the discipline of designing and planning equipments used for sea exploration.- Ichthyoplankton Community Spectrum in Coastal West Bengal : Threats and Conservation
Abstract Views :117 |
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Authors
Affiliations
1 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Parganas (S), 743329, IN
2 Institute for Natural Science Research, Golf-Green, Kolkata - 700 095, IN
3 Development of Marine Scienc, University of Calcutta, 35, B.C. Road, Kolkata-700 019, IN
1 WWF-India Secretariat, Tiger and Wildlife Programme, Canning Field Office, 24 Parganas (S), 743329, IN
2 Institute for Natural Science Research, Golf-Green, Kolkata - 700 095, IN
3 Development of Marine Scienc, University of Calcutta, 35, B.C. Road, Kolkata-700 019, IN
Source
Indian Science Cruiser, Vol 19, No 5 (2005), Pagination: 34-40Abstract
The juvenile stage of finfish, commonly referred to as ichthyoplankton, constitutes an important component of the planktonic community in estuaries, seas and oceans. The pelagic and demersal fishery resources of coastal waters are intricately related to ichthyoplankton standing stock and community structure. Although many ichthyoplankton may not have direct edible food value from the point of view of human consumption, but their role in maintaining and stabilizing the brackish water food chain cannot be ignored. However this vital component of marine and estuarine biodiversity is presently under threat due to wild han/est of tiger prawn seeds from the coastal waters of West Bengal.
The seeds of tiger prawn have high demand in the coastal aquacultural farms and hence the brackish water systems are screened at regular intervals by thousands of seed catchers in search of the target species (PLj^ of Penaeus monodon). This practice is, however, associated with a huge quantum of finfish juvenile loss, which has great ecologic and economic valuation. The present paper attempts to highlight the quantum of finfish juvenile loss at three important zones of coastal West Bengal (selected on the basis of salinity profile: low, medium and high saline waters) since the last 10 years in terms of H. Although the sampling stations showed significant spatial variation in terms of physico-chemical variables, but the oscillation of ichthyoplankton community exhibited a common trend irrespective of space. The 10 years data bank reveals the ichthyoplankton diversity to be maximum in premonsoon and minimum in monsoon during the entire period of investigation, which may be related to the life cycle pattern of coastal and estuarine fishes in the study area.
Keywords
No Keywords.References
- A B Chaudhuri. and A Choudhury, Mangroves of the Sundarbans. India Published by lUCN, Bangkolc, Thailand. Vol.1. 1994.
- A K Mandal and N C Nandi. Fauna of Sundarban Mangrove Ecosystem, West Bengal, India. Fauna of Conservation Areas, Zoological Survey of India, 1989.
- A Mitra; S K Sasmal; A Choudhury and D.P. Bhattacharyya. Seasonal variation of ichthyoplankton in mangrove ecosystem of Indian Sundarbans. Indian Journal of Environment and Ecoplanning. Vol 3, No. 3, 535-538, 2000..
- S Trivedi. A Mitra. A Chaudhuri, A Gupta, B Singh, and A Choudhuri, A case study on the loss of Biodiversity during Prawn seed collections from the Hooghly Estuary, India. Proceedings of the National Convention on Environment of India Challenges for the 21st century; Institution of Public Health Engineers. India, T-V/16-T-V/24, 1994.
- Status of Shark Community in Coastal West Bengal
Abstract Views :107 |
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Authors
Affiliations
1 Department of Marine Science, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700 019, IN
2 WWF-lndia Secretariat Oceans and Coasts Programme, 172-B, Lodi Estate, New Delhi 110 003, IN
3 Department of Forests, Govt, of West Bengal, Bikash Bhawan, 3rd Floor, North Block, Salt Lake, Kolkata 700 091, IN
4 Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, IN
1 Department of Marine Science, University of Calcutta 35, Ballygunge Circular Road, Kolkata 700 019, IN
2 WWF-lndia Secretariat Oceans and Coasts Programme, 172-B, Lodi Estate, New Delhi 110 003, IN
3 Department of Forests, Govt, of West Bengal, Bikash Bhawan, 3rd Floor, North Block, Salt Lake, Kolkata 700 091, IN
4 Department of Theoretical Physics, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, IN
Source
Indian Science Cruiser, Vol 19, No 2 (2005), Pagination: 15-23Abstract
Sharks are important members of marine and estuarine food wehs and liave unique status of tlieir own not only witti respect to tlieir morplioJogical features, but also of their commercial value. Beside, the edible value, this cartilaginous fish community has great demand in the pharmaceutical industry In India the present annual shark production is around 47,000 tonnes, obtained as by catch from a variety of gears. Despite such commercial importance, no serious attempts have so far been made at any targeted exploitation of these valuable resources. Information on the composition of the species of shark landing is very scarce apart from the gross catch statistics. There are reports of the decline of shark population due to overexploitation, illegal poaching, water quality alteration etc in the coastal zone of IVest Bengal The present paper is an attempt to highlight the threats operating on this important cartilaginous fish community, with a conclusive conservative approachKeywords
No Keywords.References
- Marine Products Export Development Authority (MPEDA) under Ministry of Commerce & Industry, Govt, of India. (1999). Indian Fishery Handbook, Page 36.
- http;//www.mpeda.com/FisheryResourees/Elasmobranchs/Elasmobranchs.htm
- http://www.tao.org/DOCREP/005/X3690E/x3690elq.htm
- http://wvw.elasmo-research.org/conservation/river_sharks.htm
- An Overview of Indian Marine Fisheries
Abstract Views :104 |
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Authors
Affiliations
1 Department of Marine Science. University of Calcutta, IN
2 World Wide Fund for Nature - India (WBSO), TATA Centre, Kolkata, IN
3 Department of Fishery, Govt of West Bengal, IN
4 Department of Theoretical Physics. Indian Association for the Cultivation of Science, Jadavpur, Kolkata, IN
1 Department of Marine Science. University of Calcutta, IN
2 World Wide Fund for Nature - India (WBSO), TATA Centre, Kolkata, IN
3 Department of Fishery, Govt of West Bengal, IN
4 Department of Theoretical Physics. Indian Association for the Cultivation of Science, Jadavpur, Kolkata, IN
Source
Indian Science Cruiser, Vol 18, No 3 (2004), Pagination: 29-34Abstract
No Abstract.Keywords
Exclusive Economic Zone (EEZ), Demersal Fish, Pelagic Fish, Gears, Marine Reserves, Marine Stewardship Council (MSC).References
- S L Shanbhogue. In Marine Fisheries of India - Published by Directorate of Information and Publications of Agriculture, Indian Council of Agricultural Research, New Delhi, 2000.
- S Niyogi, A Mitra, S Saha and A Choudhury, Inter-relationship between diversity of prawn juveniles and mangroves in coastal zone of West Bengal, In Living Resources of India' EEZ (edited by S. Z. Qasim and G. S. Roonwal) Omega Scientific Publisher, 86-96, (1998).
- A Study on Phytopigment Spectrum in Relation to Anthropogenic Pressure Around the Indian Mangrove Ecosystem
Abstract Views :120 |
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Authors
Affiliations
1 Department of Marine Science, University of Calcutta, 35, B. C. Road, Kolkata, IN
2 Department of Theoretical Physics, Indian Association for the Cultivation of Science Jadavpur, Kolkata - 700 032, IN
1 Department of Marine Science, University of Calcutta, 35, B. C. Road, Kolkata, IN
2 Department of Theoretical Physics, Indian Association for the Cultivation of Science Jadavpur, Kolkata - 700 032, IN
Source
Indian Science Cruiser, Vol 17, No 3 (2003), Pagination: 29-36Abstract
A monthly monitoring programme conducted at two different sampling stations in and around the mangrove ecosystem of deltaic Sundarbans, India during January, 2000 to December, 2001 showed maximum phytopigment concentrations during premonsoon and minimum during monsoon seasons. Physico-chemical variables like surface water temperature, salinity, pH, dissolved oxygen, extinction coefficient and nutrients were also analysed simultaneously during the monitoring period The concentrations of chlorophyll a, b andc exhibited significant positive correlations with surface water salinity and pH, but with nutrients like nitrate, phosphate and silicate, significant negative relationships were observed in both the sampling stations. The low phytopigment concentrations at station I may be related to severe anthropogenic stress around this zone.Keywords
No Keywords.References
- A Mitra, The Northwest Coast of Bay of Bengal and Deltaic Sundarbans, in Seas at the Millennium, An Environmental Evaluation, Charles R C Sheppard, ed. 145, 2000.
- S W Jeffrey and G R Humphrey, Biochem Physiol Pflanzen Bd, 167, 191, 1975.
- JEC Raymont, Plankton and Productivity in the Oceans, Pergamon Press, New York, Vol 1, 2nd Edition, 1980.
- J D H Strickland and T R Parsons, A Practical Handbook of Seawater Analysis. Fisheries Research Board of Canada, Ottawa, p. 310, 1972.
- Riley and Chester In: Introduction to Marine Chemistry, Academic Press, INC, 1971.
- K K Sathpathy, KVK Nair and P K Mathur, Advances in Enviromnental Science, CSP Iyer, ed. Educational Book Publishers and Distributors p. 181, 1997.