Browsing by Author "Jagadeesan, L."
Now showing items 1-20 of 53
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Alarming waterweeds proliferation in the Vembanad Lake System might significantly increase water loss through transpiration
Arunpandi, N.; Jyothibabu, R.; Dhanya, P.; Jagadeesan, L.; Rashid, C.P.; Sarath, S. (Springer, 2022)Eichhornia crassipes and Monochoria vaginalis are waterweeds, and their uncontrolled proliferation in fresh and brackish water habitats is a serious ecological problem in many parts of the world. These weeds are quite ... -
Characterization of phytoplankton functional types in the western Bay of Bengal: HPLC- and CHEMTAX-based approach
Jagadeesan, L.; Ignatious, J.; Srinivas, T.N.R.; Durgadevi, D.S.L.; Arijit, Banik; Akshara, C.; Balachandran, K.K. (Springer, 2024)This study investigates phytoplankton functional group variations in the western Bay of Bengal (WBoB) during the Spring Intermonsoon. Samples were collected from four cross-shore transects: Mahanadi (MN), Vamsadhara (VD), ... -
Copepod carcasses in a tropical estuary during different hydrographical settings
Jyothibabu, R.; Jagadeesan, L.; Lallu, K.R. (Springer, 2016)Dead copepods (carcasses) are widespread in aquatic systems, but their scientific quantification is rare due to the difficulty in discriminating them from live ones. In this paper, we hypothesized that due to large spatial ... -
Copepod carcasses in the western Bay of Bengal and associated ecology
Arunpandi, N.; Jyothibabu, R.; Jagadeesan, L.; Lekshmi, S.; Surya, S.; Biju, A. (Springer, 2022)Although a portion of all copepods in the natural environment are physiologically inactive or dead, there is little data on this aspect in Indian seas. Using the classical neutral red live staining technique, the dead ... -
Copepod grazing and their impact on phytoplankton standing stock and production in a tropical coastal water during the different seasons
Jagadeesan, L.; Jyothibabu, R.; Arunpandi, N.; Parthasarathi, S. (Springer, 2017)The grazing rate of copepods on the total and size-fractionated phytoplankton biomass in a coastal environment (off Kochi, southwest coast of India) were measured during pre-monsoon (PRM), peak southwest monsoon (PKSWM), ... -
Copepods size structure in various phases of a cold-core eddy - Normalised Abundance Size Spectra (NASS) approach.
Jagadeesan, L.; Srinivas, T.N.R.; Surendra, A.; Kumar, G.S.; Aswindev, M.; Joseph, I. (Pergamon, 2020)The present study addresses the copepods size structure in different phases of a cold-core eddy based on a 17 day time-series measurement (21st February to 8th March 2016) from a coastal site in the western Bay of Bengal ... -
Discriminating the biophysical impacts of coastal upwelling and mud banks along the southwest coast of India
Karnan, C.; Jyothibabu, R.; Arunpandi, N.; Jagadeesan, L.; Muraleedharan, K.R.; Pratihary, A.K.; Balachandran, K.K.; Naqvi, S.W.A. (Elsevier, 2017)Coastal upwelling and mud banks are two oceanographic processes concurrently operating along certain stretches of the southwest (Kerala) coast of India during the Southwest Monsoon period (June-September), facilitating ... -
Distribution and abundance of mysid shrimps (Crustacea: Mysidacea) in the Northern Indian Ocean.
Biju, A.; Jagadeesan, L.; Panampunnayil, S.U. (Taylor & Francis, 2014)The distribution and abundance of mysids were studied based on materials collected from the upper 1000 m of the Northern Indian Ocean (Exclusive Economic Zone (EEZ) of India) during the period 2002–2006. A greater abundance ... -
Dominance of coastal upwelling over Mud Bank in shaping the mesozooplankton along the southwest coast of India during the Southwest Monsoon
Jagadeesan, L.; Jyothibabu, R.; Arunpandi, N.; Karnan, C.; Balachandran, K.K. (Pergamon, 2017)Mud Banks are littoral zones along the Kerala (southwest) coast of India with increased suspended sediments during the Southwest Monsoon (SWM), which facilitate remarkable damping of incident waves creating a localized ... -
Ecological indications of copepods to oxygen-deficient near-shore waters
Jyothibabu, R.; Jagadeesan, L.; Karnan, C.; Arunpandi, N.; Pandiyarajan, R.S.; Balachandran, K.. (Elsevier, 2018)Dissolved oxygen deficiency and its impacts on marine organisms is an important research topic world over. In this study, we utilized the advantage of a shallow seasonal hypoxic zone occurring along the Southwest Coast of ... -
Ecological responses of autotrophic microplankton to the eutrophication of the coastal upwelling along the Southwest coast of India
Jyothibabu, R.; Karnan, C.; Jagadeesan, L.; Arunpandi, N.; Parthasarathi, N.; Albin, K.J. (Springer, 2021)The primary ecological effects of the eutrophication of upwelling in the nearshore waters are the triggering and sustenance of phytoplankton (diatom) blooms. Here, we present the changes in the morphological characteristics ... -
Ecology and distribution of tanaids in a large tropical estuary along the Southwest Coast of India
Pandiyarajan, R.S.; Jyothibabu, R.; Jagadeesan, L.; Arunpandi, N. (2020)The crustacean order Tanaidacea consists of macrobenthic invertebrates, which constitute a major food source for higher trophic levels in estuarine and marine environments. Based on seasonal sampling in the Kochi Backwaters ... -
Ecology and trophic preference of picoplankton and nanoplankton in the Gulf of Mannar and the Palk Bay, southeast coast of India
Jyothibabu, R.; Mohan, A.P.; Jagadeesan, L.; Anjusha, A.; Muraleedharan, K.R.; Lallu, K.R.; Kiran, K.; Ullas, N. (Elsevier, 2013)The Gulf of Mannar (GoM) and the Palk Bay (PB) are two least studied marine environments located between India and Sri Lanka. The environmental and smaller plankton (0.2–20 mu m) data from 30 locations in the GoM and PB ... -
Feeding preference and daily ration of 12 dominant copepods on mono and mixed diets of phytoplankton, rotifers, and detritus in a tropical coastal water
Jagadeesan, L.; Jyothibabu, R.; Arunpandi, N.; Anjusha, A.; Parthasarathi, S.; Pandiyarajan, R.S. (Springer, 2017)Results of the experimental studies on the feeding habit and daily ration (DR) of 12 dominant copepods from a tropical coastal water (off Kochi, Southwest coast of India) on different food items (phytoplankton, rotifers, ... -
Fragilariopsis sp. bloom causes yellowish-brown waters off Alappuzha, south-central Kerala coast, India, during the mud bank-upwelling phase
Jyothibabu, R.; Arunpandi, N.; Karnan, C.; Jagadeesan, L.; Manojkumar, T.M.; Balachandran, K.K.; Naqvi, S.W.A. (Current Science Association & Indian Academy of Sciences, 2018)Mud banks (Chakara) of Kerala are calm coastal waters that form in several isolated stretches along the coast usually during the southwest monsoon (SWM) period (June-September). They are characterized by the damping of ... -
Heavy metals concentration in zooplankton (copepods) in the western Bay of Bengal
Parthasarathi, S.; Jyothibabu, R.; Rashid, C.; Arunpandi, N.; Jagadeesan, L.; Jebarani, R.T.; SanthiKrishnan, S. (Springer, 2023)Along the coastline, urbanisation and industrialization pose significant challenges to marine habitats and biodiversity. Most wastewater that reaches the marine environment contains toxic metals, which, as they are ... -
Huge anthropogenic microbial load during southwest monsoon season in coastal waters of Kakinada, Bay of Bengal
Behera, Swarnaprava; Srinivas, T.N.R.; Moturi, S.R.K.; Jagadeesan, L.; Modali, S.; Tadi, S.R.; Rachuri, V. (Elsevier, 2023)To examine the influence of anthropogenic activities on the marine ecosystem near the coastal waters of the port city, Kakinada, a study was conducted to investigate the abundance of heterotrophic, indicator and pathogenic ... -
Impact of a large hydraulic barrage on the trace metals concentration in mesozooplankton in the Kochi backwaters, along the Southwest coast of India
Arunpandi, N.; Jyothibabu, R.; Jagadeesan, L.; Parthasarathi, S.; Albin, K.J.; Pandiyarajan, R.S. (Elsevier Ltd, 2020)This study delineates the impact of a man-made hydrological barrage [Thannermukkom barrage (TB)] on the concentration of selected trace metals (Fe, Zn, Cu, Co, Cr, Mn, Ni, Pb) in mesozooplankton from the Kochi backwaters ... -
Impact of eddies on dissolved inorganic carbon components in the Bay of Bengal
Sarma, V.V.S.S.; SampathKumar, G.; Yadav, K.; Dalabehera, H.B.; Rao, D.N.; Behera, S.; Jagadeesan, L. (2019)To examine the influence of anticyclonic (ACE) and cyclonic (CE) eddies on variations in hydrographic properties and total inorganic carbon system (CT), a study was conducted in the western Bay of Bengal (BoB). The depth ... -
Impact of human-altered hydrographical setting on the Copepod community structure in an extensive tropical estuary along the southwest coast of India
Arunpandi, N.; Jyothibabu, R.; Jagadeesan, L.; Parthasarathi, S.; Anjusha, A.; Albin, K.J. (Elsevier, 2021)This study presents how human-altered hydrographical settings (flow restrictions) impacts the natural distribution and community structure of copepods in the Kochi Backwaters (KBW), the largest monsoonal estuary along the ...