Browsing Scholarly literature by Author "Jaleel, A.K.U."
Now showing items 1-18 of 18
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A novel species Spinonema gracilispiculum sp. n. (Nematoda: Desmodoridae) from the oxygen minimum zone of Eastern Arabian Sea margin
Jini, Jacob; Anilkumar, P.R.; Jaleel, A.K.U.; Philip, R.; Damodaran, R. (Magnolia Press, 2020)A new species of marine free living nematode Spinonema gracilispiculum sp. n. is described from the oxygen minimum zone of the eastern Arabian Sea (216m) margin. This new nematode species was found exclusively in the station ... -
Abundance and characteristics of microplastics in commercially important bottom dwelling finfishes and shellfish of the Vembanad Lake, India
Nikki, R.; Jaleel, A.K.U.; Ragesh, S.; Shini, S.; Saha, M.; DineshKumar, P.K. (Elsevier, 2021)This paper characterize microplastics (MPs) in the heavily urbanized, brackish water Vembanad Lake (India), focussing on some commercially important bottom-feeding fishes and shellfish (Arius maculatus, Etroplus suratensis, ... -
An updated checklist of echinoderms of the southeastern Arabian Sea
Parameswaran, U.V.; Sanjeevan, V.N.; Jaleel, A.K.U.; Jacob, V.; Gopal, A.; Vijayan, A.K.; Sudhakar, M. (Springer Berlin Heidelberg, 2018)The southeastern Arabian Sea (SEAS) is a distinct ecosystem within the northern Indian Ocean, with unique physical, chemical and biological attributes. This paper provides comprehensive documentation on echinoderm diversity ... -
Contrasting Impact of Viral Activity on Prokaryotic Populations in the Coastal and Offshore Regions of the Eastern Arabian Sea
Shruthi, P.K.; Parvathi, A.; Ram, A.S.P.; Hafza, S.; Albin, J.K.; Vignesh, E.R.; Jaleel, A.K.U.; Sime-Ngando, T. (MDPI, 2022)Viral processes in the coastal and offshore regions of the Eastern Arabian Sea (west coast of India) and their contribution of viral lysis to the organic carbon and nitrogen pool was examined. Water samples were collected ... -
Distinctive Community Patterns With Exceptional Diversity of Polychaetes Around a Tectonically Active Archipelago in the Tropical Indian Ocean
Aiswarya, G.; Jaleel, A.K.U.; Parameswaran, U.V.; Sanjeevan, V.N.; Saramma, A.V.; Anilkumar, V.; Saravanane, N.; Gupta, G.V.M.; Sudhakar, M. (Frontiers, 2020)Marine soft-sediments sustain functionally important benthic assemblages that are critical for remineralization of organic matter and supply of nutrients to the water column. While these assemblages are well studied along ... -
Diversity and distribution of echinoderms in the South Eastern Arabian Sea shelf under the influence of seasonal hypoxia
Parameswaran, U.V.; Jaleel, A.K.U.; Sanjeevan, V.N.; Gopal, A.; Vijayan, A.K.; Gupta, G.V.M.; Sudhakar, M. (Elsevier, 2018)The South Eastern Arabian Sea (SEAS) margin represents a tropical eastern boundary upwelling system, which is subjected to intense seasonal hypoxia in the continental shelf, and impingement of oxygen minimum zone (OMZ) ... -
Diversity of sediment-associated Planctomycetes in the Arabian Sea oxygen minimum zone
Jasmin, C.; Anas, A.; Tharakan, B.; Jaleel, A.K.U.; Puthiyaveettil, V.; Narayanane, S.; Lincy, J.; Nair, S. (Wiley, 2017)We examined the diversity of Planctomycetes in the sediment sample collected from an oxygen minimum zone (OMZ) in the southeast Arabian Sea. A 16SrRNA gene library was constructed using the forward primer specific for ... -
Dynamics of nitrous oxide and methane in the southeastern Arabian Sea
Arya, K.S.; Gireeshkumar, T.R.; Vignesh, E.R.; Muraleedharan, K.R.; Jaleel, A.K.U.; Razaque, Abdul M.A.; Furtado, C.M.; Sudheesh, V.; Nair, T.M.B.; Krishnamohan, K.S. (Elsevier, 2024)This study examined the factors controlling the intra- and inter-seasonal variations of dissolved methane (CH4) and nitrous oxide (N2O) in the southeastern Arabian Sea (SEAS). Time-series measurements of CH4, N2O and allied ... -
Dynamics of Vibrio cholerae in a Typical Tropical Lake and Estuarine System: Potential of Remote Sensing for Risk Mapping
Anas, A.; Kiran, K.; Syamkumar, V.; George, G.; Menon, Nandini; Kulk, G.; Jasmin, C.; Ciambelli, A.; Hridya, K.V.; Balu, T.; Jaleel, A.K.U.; Goult, E.; Jithin, V.; Platt, T.; Sathyendranath, S. (MDPI AG, 2021)Vibrio cholerae, the bacterium responsible for the disease cholera, is a naturally-occurring bacterium, commonly found in many natural tropical water bodies. In the context of the U.N. Sustainable Development Goals (SDG) ... -
Factors influencing nearshore hypoxia in the southeastern Arabian Sea: A sensor-based study
AbdulAzeez, S.; Gireeshkumar, T.R.; Muraleedharan, K.R.; Vignesh, E.R.; Jaleel, A.K.U.; Arya, K.S.; Nair, R.C.; Ratheesh, R. (Elsevier, 2023)Seasonal upwelling and the associated incursion of hypoxic waters into the coastal zone is a widely studied topic over different upwelling zones. However, its persistence or variations over short time scales are poorly ... -
First report of brittle stars (Echinodermata: Ophiuroidea) from a seamount in the eastern Arabian Sea
Jaleel, A.K.U.; Parameswaran, U.V.; Anagha, B.; Parthasarathi, S.; Anas, A. (Magnolia Press, Auckland, New Zealand, 2023)This paper reports two species- Ophiozonella molesta (Koehler, 1904) and Ophiothamnus venustus Matsumoto, 1915, from a seamount in the Eastern Arabian Sea. This forms the first ever report of Ophiothamnus venustus from the ... -
Geochemical speciation of iron under nearshore hypoxia: A case study of Alappuzha mud banks, southwest coast of India
Mathew, D.; Gireeshkumar, T.R.; Udayakrishnan, P.B.; Shameem, K.; Nayana, P.M.; Deepulal, P.M.; Sarath, R.; Nair, M.; Jaleel, A.K.U.; Balachandran, K.K. (Elsevier, 2022)Studies on the speciation of iron (Fe) and its regulatory roles in the biogeochemical cycling of other elements in the sediments of the Arabian Sea are limited. Changes in the reactivity and crystallinity of geochemical ... -
Microbial community shifts along an estuarine to open ocean continuum
Anas, A.; Tharakan, E.M.B.; Jasmin, C.; Chandran, C.; Vipindas, P.V.; Narayanan, S.; Jaleel, A.K.U. (Elsevier, 2021)The water bodies along a continuum from estuaries to open ocean display significant changes in their physical, chemical and biological characteristics. In the current study, we report the influence of such changes on the ... -
Nine new records of brittle stars (Echinodermata: Ophiuroidea) from Indian waters
Parameswaran, U.V.; Gopal, A.; Jaleel, A.K.U.; Saravanane, N. (Taylor & Francis, 2021)This paper presents nine new records of brittle stars for the Indian waters, collected between 49 and 957 m depths in the Arabian Sea, Bay of Bengal and Andaman Sea. Of these, Ophiolepis cardioplax and Ophiopsammus aequalis ... -
Prionospio atrovitta (Annelida: Spionidae), a new species from Andaman and Nicobar archipelago, northern Indian Ocean
Aiswarya, G.; Usha, V.P.; Jaleel, A.K.U.; Saravanane, N. (Taylor and Francis Ltd., 2020)A new species of polychaete, Prionospio atrovitta, is described from the sandy sediments of the Andaman and Nicobar insular margin. The major feature distinguishing P. atrovitta from other species of the genus Prionospio ... -
Response of macrozoobenthic communities to summer monsoon upwelling and related hypoxia in the south eastern Arabian Sea shelf
Jaleel, A.K.U.; Parameswaran, U.V.; Aiswarya, G.; Chippy, K.; Sanjeevan, V.N.; AnilKumar, V.; Gupta, G.V.M. (Elsevier, 2021)Coastal upwelling in the south eastern Arabian Sea (SEAS) leads to oxygen depletion over the continental shelf during the summer monsoon season (June-September), with latitudinal gradients in intensity. Based on two surveys ... -
Spatio-temporal variations of benthic communities along the coast
Jaleel, A.K.U.; Parameswaran, U.V.; Gopal, A.; Manokaran, S.; Joydas, T.V. (Elsevier, 2022)The distribution of benthic fauna and their community structure varies spatially and temporally in response to variations in environmental and ecological factors.Such variations may occur as spatial (e.g., latitudinal and ... -
Standing stock and composition of macrozoobenthos in the south-eastern Arabian Sea: A revisit after a decade
Parameswaran, U.V.; Jaleel, A.K.U.; Gopal, A.; Vijayan, A.K.; Sanjeevan, V.N.; Gupta, G.V.M. (Elsevier, 2022)Changes in macrozoobenthic standing stock and composition along the south-eastern Arabian Sea continental shelf (30-200 m) are investigated, based on data collected from the same sites during the same season 14 years apart ...