Browsing by Author "Fernandes, V."
Now showing items 1-20 of 27
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Analysis of Bacteria-Phytoplankton relationships at three discrete locations in the Eastern Arabian Sea during winter
Fernandes, V.; Bogati, K. (Elsevier, 2022)Bacterial abundance (BA), bacterial production (BP), chlorophyll a (Chl a) and primary production (PP) were estimated during Dec 2016-Jan 2017 at three discrete locations viz. the coastal waters, oceanic waters and near ... -
Analysis of phytoplankton composition from southern Malabar Coast during the 2005 monsoon as a follow-up of September 2004 stench event
Ramaiah, N.; Catul, V.; Kurian, S.; Rodrigues, V.; Paul, J.T.; Fernandes, V.; Imtiaz, C.A. (Indian Academy of Science, 2007)One of the main objectives of this study was to follow up and see if holococcolithophore that was predominant in all of over 30 samples from the southern Malabar Coast, Karnataka, India during September-October 2004 was ... -
Bacterioplankton abundance and production in Indian Ocean Regions
Ramaiah, N.; Fernandes, V.; Rodrigues, V.V.; Paul, J.T.; Gauns, M. (American Geophysical Union, 2009)Microbes mediating biological and many geochemical processes are the key components in marine ecosystems. Information on spatiotemporal variations in heterotrophic bacterial (Hbac) abundance and production in three ... -
Comparative accounts of biological productivity characteristics and estimates of carbon fluxes in the Arabian Sea and the Bay of Bengal
Gauns, M.; Madhupratap, M.; Ramaiah, N.; Jyothibabu, R.; Fernandes, V.; Paul, J.T.; PrasannaKumar, S. (Elsevier, 2005)The Arabian Sea and the Bay of Bengalare tropical basins experiencing monsoonalwind forcing that reverses semiannually. This brings changes in physics, chemistry and biology of the upper water column on a seasonal scale ... -
Distribution and seasonal variation of concentrations of particulate carbohydrates and uronic acids in the northern Indian Ocean
Khodse, V.B.; Fernandes, L.; Gopalakrishna, V.V.; Bhosle, N.B.; Fernandes, V.; Matondkar, S.G.P.; Bhushan, R. (Elsevier, 2007)Suspended particulate matter (SPM) samples were collected from the surface seawaters at 31 stations, and from various depths (2 to 1000 m) at 9 locations in the northern Indian Ocean during various seasons. SPM samples ... -
Distributional characteristics of surface-layer mesozooplankton in the Bay of Bengal during the 2005 winter monsoon.
Fernandes, V.; Ramaiah, N. (NISCAIR, 2014)Present study consists spatial patterns in biomass, abundance and composition of mesozooplankton in Bay of Bengal. Surface samples were collected from a central open ocean transect along 88ºE and western coastal transect ... -
Dynamics and succession of plankton communities with changing nutrient levels in tropical culture ponds of whiteleg shrimp
Fernandes, V.; Sabu, E.; Shivaramu, M.; Gonsalves, M.J.B.D.; Sreepada, R.A. (2019)Optimal water quality is a prerequisite for the economic and environmental sustainability of shrimp aquaculture. The dynamics and succession of phytoplankton and microzooplankton assemblages and their interrelationship ... -
Eddy-mediated biological productivity in the Bay of Bengal during fall and spring intermonsoons
PrasannaKumar, S.; Nuncio, M.; Ramaiah, N.; Sardesai, S.; Narvekar, J.; Fernandes, V.; Paul, J.T. (Elsevier, 2007)The signature of cold-core eddies and their role in altering the biological productivity of the Bay of Bengal was examined using two recent sets of hydrographic data collected along the central and western Bay of Bengal ... -
Environmental controls on the seasonal carbon dioxide fluxes in the northeastern Indian Ocean
Sardessai, S.; Maya, M.V.; Shetye, S.S.; PrasannaKumar, S.; Fernandes, V.; Paul, J.; Ramaiah, N. (NISCAIR, CSIR, 2010)Total carbon dioxide (TCO sub(2)) and computations of partial pressure of carbon dioxide (pCO sub(2)) had been examined in Northerneastern region of Indian Ocean. It exhibit seasonal and spatial variability. North-south ... -
Gregarious true- colonies of ciliate Vorticella oceanica on a chain forming diatom Chaetoceros coarctatus: indicating change in the nature of association
Nanajkar, M.; Fernandes, V.; Bogati, K.; Chatterjee, T. (2019)Eco-commensal association between the chain forming planktonic diatom Chaetoceros coarctatus and the peritrich aloricate ciliate Vorticella oceanica is well known in tropical waters. This epibiosis provides several advantages ... -
Is the biological productivity in the Bay of Bengal light limited?
PrasannaKumar, S.; Narvekar, J.; Nuncio, M.; Kumar, A.; Ramaiah, N.; Sardessai, S.; Gauns, M.; Fernandes, V.; Paul, J. (Current Science Association, 2010)Recent measurements of chlorophyll, primary productivity (PP) and nutrients along the central Bay of Bengal (BOB) during summer, fall and spring intermonsoons showed that the northern bay becomes less productive compared ... -
Mesozooplankton community in the Bay of Bengal (India): Spatial variability during the summer monsoon
Fernandes, V.; Ramaiah, N. (Springer, 2009)This study addresses the spatial variability in mesozooplankton biomass and composition in the Central and Western Bay of Bengal (India) during the summer monsoon season of 2001. Perennially warmer sea surface temperatures ... -
Mesozooplankton community structure in the upper 1,000 m along the western Bay of Bengal during the 2002 fall intermonsoon
Fernandes, V.; Ramaiah, N. (Springer, 2013)Stratification, no upwelling, sediment load, and heavy cloud cover are known to limit primary production in the western Bay of Bengal. Studies on primary consumers in this area are few. Recent studies in the Bay have shown ... -
Mesozooplankton production, grazing and respiration in the Bay of Bengal: Implications for net heterotrophy
Fernandes, V.; Ramaiah, N. (Elsevier, 2016)Mesozooplankton samples were collected from the mixed layer along a central (along 88°E) and a western transect in the Bay of Bengal during four seasons covered between 2001 and 2006 in order to investigate spatio-temporal ... -
Persistence of fecal indicator bacteria associated with zooplankton in a tropical estuary-west coast of India
Fernandes, V.; Bogati, K. (2019)In a study carried out during 2014, bacteria associated with zooplankton in the Zuari estuary were 3– 4 orders of magnitude higher in abundance than in seawater. The live zooplankton carried much more bacterial load ... -
Preponderance of a few diatom species among the highly diverse microphytoplankton assemblages in the Bay of Bengal
Paul, J.T.; Ramaiah, N.; Gauns, M.; Fernandes, V. (Springer, 2007)The microphytoplankton assemblages were studied from water samples collected at eight discrete depths in the top 120 m at five central [open ocean] and four western [shelf/slope region] locations in the Bay of Bengal. The ... -
Relevance of bacterioplankton abundance and production in the oligotrophic equatorial Indian Ocean
Fernandes, V.; Rodrigues, V.; Ramaiah, N.; Paul, J.T. (Springer, 2008)Bacterioplankton abundance and production, chlorophyll a (Chl a) concentrations and primary production (PP) were measured from the equatorial Indian Ocean (EIO) during northeast (NEM), southwest (SWM) and spring intermonsoon ... -
Report of Acineta euchaetae Sewell, 1951 from new locality of the Arabian Sea with notes on their taxonomy and distribution
Chatterjee, T.; Dovgal, I.; Fernandes, V.; Bhaumik, A.; Nanajkar, M. (Magnolia Press, Auckland, New Zealand, 2021)The article deals with the data about new find of the rare suctorian species Acineta euchaetae Sewell, 1951 on calanoid copepod host Euchaeta marina (Prestandrea, 1833) from the Arabian Sea. Seven young (sub-adult) individuals ... -
Report of epibiont ciliates (Cilliophora: Suctorea) on pelagic ostracods (Crustacea: Ostracoda) from the Arabian Sea
Chatterjee, T.; Dovgal, I.; Nanajkar, M.; Fernandes, V. (2019)The article deals with the report of 5 suctorians viz. Lecanophryella satyanandani (Santhakumari, 1986), Paracineta karunakarani Santhakumari, 1986, Ephelota gemmipara (Hertwig, 1876), Acineta foetida Maupas, 1881 and ... -
Report of Epibiont Diatom P. pacificum on the Cyclopoid Copepod D. affinis from the Southwestern Shelf Waters of India (Eastern Arabian Sea)
Bhaumik, A.; Fernandes, V.; Biswas, H. (Springer, 2022)Pseudohimantidium pacificum, an epizoic diatom has been reported from different parts of the global oceans, however, has not been reported from the shelf waters of India. This symbiotic association of P. pacificum with a ...