Browsing by Author "Fernandes, C.E.G."
Now showing items 1-18 of 18
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An appraisal of biological responses and network of environmental interactions in non-mining and mining impacted coastal waters
Fernandes, C.E.G.; Malik, A.; Jineesh, V.K.; Fernandes, S.O.; Das, A.; Pandey, S.S.; Kanolkar, G.; Sujith, P.P.; Velip, D.; Shaikh, S.; Helekar, S.; Gonsalves, M.J.B.D.; Nair, S.; LokaBharathi, P.A. (Springer, 2015)The coastal waters of Goa and Ratnagiri lying on the West coast of India are influenced by terrestrial influx. However, Goa is influenced anthropogenically by iron-ore mining, while Ratnagiri is influenced by deposition ... -
Astrobiological implications of dim light phototrophy in deep-sea red clays
Das, A.; Tanya S.; LokaBharathi, P.A.; Dhakephalkar, P.K.; Mallik, S.; Kshirsagar, P.R.; Khadge, N.H.; Nath, B.N.; Bhattacharya, S.; Dagar, A.K.; Kaur, P.; Ray, D.; Shukla, A.D.; Fernandes, C.E.G.; Fernandes, S.O.; Thomas, T.R.A.; Mamatha, S.S.; Mourya, B.S.; Meena, R.M. (Elsevier, 2017)Red clays of Central Indian Basin (CIB) under influence of trace of Rodriguez Triple Junction exhibited chemoautotrophy, low temperature hydrothermal alterations and photoautotrophic potential. Seamount flank TVBC-08, ... -
Bacterial response to contrasting geochemistry in the sediments of central Indian Ocean basin
Das, A.; Fernandes, C.E.G.; Naik, S.S.; Nath, B.N.; LokaBharathi, P.A. (Regional Research laboratory, Bhubaneswar, 2005)The latitudinal differences in geochemical and physiographic nature could evoke varied biological/microbiological response in the deep-sea benthic ecosystem of the Central Indian Ocean. Sediment cores have been examined ... -
Bacterial response to contrasting sediment geochemistry in the central Indian Basin
Das, A.; Fernandes, C.E.G.; Naik, S.S.; Nath, B.N.; Suresh, I.; Mascarenhas-Pereira, M.B.L.; Gupta, S.M.; Khadge, N.H.; PrakashBabu, C.; Borole, D.V.; Sujith, P.P.; Valsangkar, A.B.; Mourya, B.S.; Biche, S.U.; Sharma, R.; LokaBharathi, P.A. (International Association of Sedimentologists, 2011)In order to investigate whether geochemical, physiographic and lithological differences in two end-member sedimentary settings could evoke varied microbe-sediment interactions, two 25 cm long sediment cores from contrasting ... -
Detection of Trichodesmium bloom patches along the eastern Arabian Sea by IRS-P4/OCM ocean color sensor and by in-situ measurements
Desa, E.S.; Suresh, T.; Matondkar, S.G.P.; Desa, E.; Goes, J.; Mascarenhas, A.A.M.Q.; Parab, S.G.; Shaikh, N.; Fernandes, C.E.G. (NISCAIR, CSIR, 2005)The detection of blooms of the marine cyanobacterium Trichodesmium from space has been studied using high resolution ocean color imagery in the visible wavebands of the OCM monitor (Ocean Color Monitor) on the IRS-P4 ... -
Effects of composition of labile organic matter on biogenic production of methane in the coastal sediments of the Arabian Sea
Gonsalves, M.J.B.D.; Fernandes, C.E.G.; Fernandes, S.O.; Kirchman, D.L.; LokaBharathi, P.A. (Springer, 2011)Coastal regions are potential zones for production of methane which could be governed by ecological/environmental differences or even sediment properties of a niche. In order to test the hypothesis that methanogenesis in ... -
Environmental gradient favours functionally diverse macrobenthic community in a placer rich tropical bay
Sivadas, S.K.; Ingole, B.S.; Fernandes, C.E.G. (Hindawi Publishing, 2013)The present paper examines the functional diversity-environment relation in a placer rich tropical bay. The geographic location of Kalbadevi Bay along the west coast of India provides an opportunity to study the functional ... -
Immediate effect of simulated sand mining on the variation of bacterial parameters in coastal waters of Kalbadevi Bay, Ratnagiri
Fernandes, C.E.G.; Das, A.; Naik, S.S.; Sharma, R.; LokaBharathi, P.A. (Macmillan, India, 2007)The variation in bacterial parameters of coastal waters and sediments of Kalbadevi Bay, Ratnagiri, Maharashtra, India was examined for immediate response after simulated mining. Sampling was carried out at suction and ... -
Interactions between trophic levels in upwelling and non-upwelling regions during summer monsoon
Malik, A.; Fernandes, C.E.G.; Gonsalves, M.J.B.D.; Subina, N.S.; Mamatha, S.S.; Krishna, K.S.; Varik, S.; RituKumari; Gauns, M.; Cejoice, R.P.; Pandey, S.S.; Jineesh, V.K.; Kamaleson, A.S.; Vijayan, V.; Mukherjee, I.; Subramanyan, S.; Nair, S.; Ingole, B.S.; LokaBharathi, P.A. (Elsevier, 2015)Coastal upwelling is a regular phenomenon occurring along the southwest coast of India during summer monsoon (May–September). We hypothesize that there could be a shift in environmental parameters along with changes in the ... -
Iron released from ilmenite mineral sustains a phytoplankton community in microcosms
Fernandes, C.E.G.; Velip, D.; Mourya, B.S.; Shaikh, S.; Das, A.; LokaBharathi, P.A. (Walter de Gruyter, 2011)Natural biotic communities from Kalbadevi Bay were monitored in microcosms (1-l glass flasks) to test the hypothesis that iron released from ilmenite through microbial action contributes to proliferation of phytoplankton. ... -
Microbial and biochemical alterations due to storage of deep-sea sediments under ambient tropical conditions
Das, A.; Fernandes, C.E.G.; Naik, S.S.; Mourya, B.S.; Sujith, P.P.; Sharma, R.; LokaBharathi, P.A. (NISCAIR Publications, 2016)Response of indigenous bacteria to incubation at normal pressure and tropical temperature (28 ± 2°C), were examined in four deep-sea sediments from polymetallic-nodule fields in Central Indian Basin (CIB). Sediments were ... -
Microbial iron reduction and methane oxidation in subsurface sediments of the Arabian Sea
Fernandes, C.E.G.; Judith, M.; Gonsalves, M.J.B.D.; Nazareth, D.R.; Nagarchi, L.; Kamaleson, A.S. (Elsevier, 2015)Arabian Sea is one of the most productive regions of the world's ocean with seasonal upwelling and a characteristic oxygen minimum zone. It receives a continuous input of windborne iron-rich dust which possibly stimulates ... -
Microbiology and biochemistry of placer rich beach sediment: Short-term response to small scale simulated mining
Fernandes, C.E.G.; Das, A.; Faria, D.; LokaBharathi, P.A. (Allied, India, 2005)In order to understand the influence of sand mining on the bacterial community of a placer rich beach ecosystem, a mechanical disturbance was simulated in Kalbadevi beach, Ratnagiri. Core samples from dune, berm, high tide, ... -
Mixed response in bacterial and biochemical variables to simulated sand mining in placer-rich beach sediments, Ratnagiri, West coast of India
Fernandes, C.E.G.; Das, A.; Nath, B.N.; Faria, D.G.; LokaBharathi, P.A. (Springer, 2012)The influence of mechanical disturbance of sediment-akin to small scale mining on bacterial community and biochemical variables was investigated at Kalbadevi beach, Ratnagiri, a placer-rich beach ecosystem which is a ... -
Predominance of anaerobic bacterial community over aerobic community contribute to intensify ‘oxygen minimum zone’ in the eastern Arabian Sea
Gonsalves, M.J.B.D.; Paropkari, A.L.; Fernandes, C.E.G.; LokaBharathi, P.A.; KrishnaKumari, L.; Fernando, V.; Nampoothiri, G. (Elsevier, 2011)The presence of a delicately poised mid-depth oxygen minimum zone (OMZ) makes the Arabian Sea a unique and important ecosystem. So far, various aspects responsible for its formation have been studied. However, the contributions ... -
Relationship of sediment-biochemistry, bacterial morphology, and activity to geotechnical properties in the central Indian Basin
Naik, S.S.; Khadge, N.H.; Valsangkar, A.B.; Das, A.; Fernandes, C.E.G.; LokaBharathi, P.A. (Taylor & Francis, 2016)Distribution of biochemical properties, morphological and functional characteristics of bacteria in the extreme sedimentary environment of the Central Indian Basin (CIB) was examined in relation to geotechnical properties ... -
Response of sedimentary nucleic acids to benthic disturbance in the Central Indian Basin
Fernandes, C.E.G.; DeSouza, M.J.B.D.; Nair, S.; LokaBharathi, P.A. (Taylor and Francis, 2005)Information on the response of nucleic acids (i.e., DNA and RNA) to simulated benthic disturbance was obtained from samples collected from eight sediment cores (0-10 cm) located in the Central Indian Basin (CIB). In general ... -
Tolerance and immobilization of cobalt by some bacteria from ferromanganese crusts of the afanasiy Nikitin Seamounts
Krishnan, K.P.; Fernandes, C.E.G.; Fernandes, S.O.; LokaBharathi, P.A. (Taylor & Francis, 2006)Bacteria isolated from cobalt–enriched ferromanganese crusts on the Afanasiy Nikitin Seamounts in the Equatorial Indian Ocean were examined for their ability to tolerate, and immobilize cobalt in unamended seawater and ...