DRS at CSIR-National Institute of Oceanography: Recent submissions
Now showing items 1651-1670 of 9513
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Trichodesmium blooms and warm-core ocean surface features in the Arabian Sea and the Bay of Bengal
(Elsevier, 2017)Trichodesmium is a bloom-forming, diazotrophic, non-heterocystous cyanobacteria widely distributed in the warmer oceans, and their bloom is considered a �biological indication� of stratification and nitrogen limitation in ... -
Hydrothermal Alteration Promotes Humic Acid Formation in Sediments: A Case Study of the Central Indian Ocean Basin
(Wiley, 2018)Anomalously high concentrations of humic?rich dissolved organic matter (DOM) in extant submarine hydrothermal vent plumes traveled far from source are increasingly being reported. This DOM, able to mobilize trace metals ... -
Spatial variability of upper ocean POC export in the Bay of Bengal and the Indian Ocean determined using particle-reactive 234 Th
(Wiley, 2017)The northern Indian Ocean is globally significant for its seasonally reversing winds, upwelled nutrients, high biological production, and expanding oxygen minimum zones. The region acts as sink and source for atmospheric ... -
Potential ballast water transfer of organisms from the west to the east coast of India: Insights through on board sampling
(Elsevier, 2018)The possibility of translocation of organisms via ship's ballast water (BW) during a voyage from Hazira on the west coast to Visakhapatnam on the east coast of India was assessed. Samples of BW during the voyage and discharge ... -
Changes in standing stock and vertical distribution of benthic foraminifera along a depth gradient (58-2750�m) in the southeastern Arabian Sea
(Springer, 2018)Benthic foraminifera are a reliable proxy to reconstruct past oceanographic conditions. The ecological preferences of benthic foraminifera are usually studied from the core-top samples. The habitat of living benthic ... -
On the accuracy of assessing copepod size and biovolume using FlowCAM and traditional microscopy
(CSIR, India, 2017)In this paper, based on the biovolume estimation of different genera of copepods, we present the fact that only the Area-based Diameter (ABD) algorithm of FlowCAM has the efficiency to measure the bio-volume of copepods ... -
Salinity stratification controlled productivity variation over 300 ky in the Bay of Bengal
(Nature Publishing Group, 2017)The unique hydrographic setting of the Bay of Bengal (BoB) makes it an ideal tropical marine system to study the influence of regional and global forcings on productivity and [CO2aq] through the late quaternary. Enormous ... -
Effects of benzo(k)fluoranthene, a polycyclic aromatic hydrocarbon on DNA damage, lipid peroxidation and oxidative stress in marine gastropod Morula granulata
(Taylor & Francis, 2017)Benzo(k)fluoranthene [B(k)F] is one of the widespread priority pollutants of polycyclic aromatic hydrocarbons that has been scarcely studied for exposure assessment. With studies reporting a high amount B(k)F in sediments ... -
Variability in the phytoplankton community of Kavaratti reef ecosystem (northern Indian Ocean) during peak and waning periods of El Ni�o 2016
(Springer, 2017)El Ni�o, an interannual climate event characterized by elevated oceanic temperature, is a prime threat for coral reef ecosystems worldwide, owing to their thermal threshold sensitivity. Phytoplankton plays a crucial role ... -
Metal pollutants in Indian continental coastal marine sediment along a 3700 km transect: An electron paramagnetic resonance spectroscopic study
(Elsevier, 2018)We report the analysis and geographical distribution of anthropogenically impacted marine surficial sediments along a 3700 km transect around the continental shelf of India. Sediments have been studied using a mixed ... -
Mycosphere Essays 19: Recent advances and future challenges in taxonomy of coelomycetous fungi
(Guizhou Key Laboratory of Agricultural Biotechnology, China, 2017)The application of molecular phylogenetic methods has provided a better understanding of the taxonomy and evolution of coelomycetous fungi. Providing taxonomic placements for orphan genera, re-visiting historic genera, ... -
Phosphorus accumulation associated with intense diagenetic metal-oxide cycling in sediments along the eastern continental margin of India
(Current Science Association, IAS, 2017)Sequential phosphorus extractions were carried out to understand phosphorus cycling and enrichment in surface sediments along the eastern continental margin of India. Phosphorus associated with authigenic (Paut) and biogenic ... -
Effects of salinity on cellular growth and exopolysaccharide production of freshwater Synechococcus strain CCAP1405
(Oxford University Press, 2018)The picocyanobacterium Synechococcus is ubiquitous in freshwater and high-saline marine ecosystems. The cellular response of freshwater Synechococcus to salinity variations is not well understood. Herein, we compare cellular ... -
ELISA detection of vitellogenin in the haemolymph of Penaeus monodon (Fabricius, 1798) (Caridea: Penaeidae): indirect indicator of female maturity
(Oxford University Press, 2017)Developing a non-lethal method for analysis of female reproductive maturity will be more accurate and less invasive than assessing maturity through gonad biopsy. Quantification of the expression levels of vitellogenin (Vg) ... -
Oblique strike-slip motion off the Southeastern Continental Margin of India: Implication for the separation of Sri Lanka from India
(Pergamon, 2018)The ocean floor in the Bay of Bengal has evolved after the breakup of India from Antarctica since the Early Cretaceous. Recent geophysical investigations including updated satellite derived gravity map postulated two phases ... -
Hindcast of breaking waves and its impact at an island sheltered coast, Karwar
(Springer, 2018)Variability in the characteristics of depth-induced wave breakers along a non-uniform coastal topography and its impact on the morpho-sedimentary processes is examined at the island sheltered wave-dominated micro-tidal ... -
Trace elements in ferromanganese nodules from the central indian ocean basin
(Taylor & Francis, 2017)Thirty-three bulk ferromanganese nodules from the sediment-water interface of siliceous sediment domain from the Central Indian Ocean Basin were analyzed for 50 elements including 6 new (Be, As, Se, Sn, Sb, and Bi) using ... -
Mid-troposphere transport of Middle-East dust over the Arabian Sea and its effect on rainwater composition and sensitive ecosystems over India
(Nature Publishing Group, 2017)The importance of mineral dust and aerosols in the transfer of bio-essential elements to terrestrial and marine ecosystems far removed from the source region is well known. Aerosol concentrations measured at the surface ... -
Phylogenetic characterization of culturable bacteria and fungi associated with tarballs from Betul beach, Goa, India
(Elsevier, 2018)Tarballs are semisolid blobs of crude oil, normally formed due to weathering of crude-oil in the sea after any kind of oil spills. Microorganisms are believed to thrive on hydrocarbon-rich tarballs and possibly assist in ... -
Differential impact of lytic viruses on prokaryotic morphopopulations in a tropical estuarine system (Cochin estuary, India)
(Public Library of Science, 2018)Our understanding on the importance of viral lysis in the functioning of tropical estuarine ecosystem is limited. This study examines viral infection of prokaryotes and subsequent lysis of cells belonging to different ...

