School of Environmental Sciences

Mahatma Gandhi University-Kottayam



Dr. MAHESH MOHAN

Profile


Publications

Research Projects

1. Arctic Expedition : Mercury Geochemistry in the sediments of Kongsfjorden, Ny-Alesund, Arctic (ongoing)
2. DST-SERB Fast Track Project : Mercury geochemistry in agricultural wetland ecosystem (on going)
3. KSCSTE Project: Accumulation of mercury and cadmium in benthic food web of Cochin estuary- a stable isotope approach (Ongoing)
4. UGC Major Project: Mercury pollution in the sediments of Vembanad Wetland: a chronological approach (ongoing)
5. KSCSTE- BTL Project (as scientist mentor) Evolution of Karamana river basin and its implications on hydrogeology: A geomatics approach using morphometric analysis (ongoing)
6. DoECC, Govt. of Kerala – Student Project : Impact of Climate Change on the Mercury Geochemistry in a Tropical Wetland Ecosystem (Completed)
7. DoECC, Govt. of Kerala – Student Project : Geochemistry of selected heavy metals in Kuttanad agricultural wetland ecosystem (completed)

Proposal submitted as PI
1. MoES : Atmospheric mercury chemistry in a humid tropical environment
2. BRNS : Design and Development of Noise Cancellation Module for Power Plant

Reviewer of
1. Environmental Monitoring and Assessment (Springer)
2. Environmental Science and Pollution Research (Springer)
3. Science of the Total Environment (Elsevier)
4. Environmentalist (Springer)
5. Environmental Geochemistry and Health (Springer)

PUBLICATIONS

Submitted

Joshy George, Ebhin Masto, Lal Chand Ram, T. B. Das, Tofan Rout; Mahesh Mohan. Assessment of human exposure risk from soil heavy metals near a coal fired power plant, Archives of Environmental Contamination and Toxicology, Springer
M. R. Sijimol, S. Jyothi, A.P. Pradeepkumar, M.S. Shylesh Chandran, and Mahesh Mohan. A Review on Fate, Toxicity and Remediation of Perchlorate, Environmental Forensics, Taylor & Francis

Research Papers – Published/accepted in International/National Journals
1. Sijimol MR and Mahesh Mohan. (2014). Environmental Impacts of Perchlorate with Special Reference to Fireworks - A Review, Environmental Monitoring and Assessment. Springer.
2. Mahesh Mohan, MS Shylesh Chandran, KK Jayasooryan, EV Ramasamy. (2014). Mercury in the sediments of Vembanad Lake, Western Coast of India. Environmental Monitoring and Assessment. Springer.
3. Sowmya, M., Rejula, M.P., Rejith, P.G., Mahesh Mohan, Makesh Karuppiah and A.A.M. Hatha (2014) Halophilic metal tolerant bacteria from Vembanadu Lake as possible means of bioremediation of lead and cadmium. Accepted for publication in Journal of Environmental Biology, 35 (4): 655-660.
4. Krishna MP, Rinoy Varghese, Mahesh Mohan, AA Mohamed Hatha. (2014). Antibacterial activity of Acmella paniculata extract on human pathogenic bacteria. International Journal of Herbal Medicine, 2(1):132-134
5. VM Kannan, Toms Augustine, Navya Cherian, Mahesh Mohan. (2014). Geochemistry and heavy metals in the soils of Unique tropical rice agricultural ecosystem, Journal of Environment, 3(1). Scintific Journals, UK
6. M. Sowmya, MP Rejula, PG Rejith, Mahesh Mohan, Makesh Karuppiah and AA Mohamed Hatha. (2014). Heavy metal tolerant halophilic bacteria from Vembanad Lake as possible source of bioremediation of lead and cadmium. Journal of Environmental Biology.
7. Rogimon P. Thomas, Manuel Thomas, Joby Paul, and Mahesh Mohan, Antifungal activity of Verbinaceae, Biosciences Biotechnology Research Asia, 10(1), 355-360. [2013]
8. Rogimon P. Thomas, Joby Paul, Rameshan M., N. Hari and Mahesh Mohan , Ecological distribution mapping of the genus Vitex in Kerala State, Acta Biologica Indica.1(2): 165-170. [2013]
9. M.S. Shylesh Chandran, Sujatha S., Mahesh Mohan, J.M. Julka and E.V. Ramasamy. Earthworm diversity at Nilgiri Biosphere Reserve, Western Ghats, India. Biodiversity and Conservation-Springer (2012)
10. Shylesh Chandran M.S., Jayasooryan K.K., Subin K. Jose, Mahesh Mohan and E.V.Ramasamy. Anthropogenic Mercury Contamination of Vembanad Backwater, Western Coast, India – Evidence from Sediments. Journal of Environmental Science and Engineering-NEERI (accepted).
11. Rahul Ramesh, Shylesh Chandran M.S., Sreedharan K., Mahesh Mohan. 2012. Mercury contamination in the artisanal gold mining regions of Nilambur, Kerala, South India. Journal of Environment, Vol. 01, Issue 01, pp. 16-22 Scientific Journals, UK.
12. Shylesh Chandran M.S., Sudheesh S., E.V. Ramasamy, Mahesh Mohan. 2012. Sulphur fractionation in the sediments of Cochin estuary. Journal of Environment, Vol. 01, Issue 01, pp. 10-15, Scientific Journals, UK
13. Ajaykumar B., Sreedharan K., Mahesh Mohan., Joby Paul., A.P. Thomas., Nair P. K. K. Evaluation of the Holocene environmental changes of the Southwest coast, India: a palaeo-palynological approach, Journal of Earth System Science (Springer) (2012).
14. EV Ramasamy, Toms A, Shylesh CMS, Jayasooryan KK, Mahesh M., 2012. Mercury Fractionation in the Sediments of Vembanad Wetland, West Coast of India, Environmental Geochemistry and Health-Springer, DOI 10.1007/s10653-012-9457-z.
15. Mahesh Mohan, Toms Augustine, Jayasooryan K.K., Shylesh Chandran M.S. and Ramasamy E.V. 2012. Fractionation of selected metals in the sediments of Cochin estuary and Periyar River, Southwest coast of India, The Environmentalist-Springer, DOI 10.1007/s10669-012-9399-0.
16. Mahesh Mohan, M.S. Shylesh Chandran, E.V.Ramasamy. (2011). Vulnerable earthworm species identified from Nilgiri Biosphere Reserve, International Journal of Zoological Research.
17. Mahesh Mohan, Deepa, M., E.V. Ramasamy and A.P. Thomas. 2011 Accumulation of mercury and other heavy metals in edible fishes of Cochin backwaters, Southwest India. Environmental Monitoring and Assessment.DOI 10.1007/s1066/-011-2258-5, Springer
18. Ajaykumar B., P.S. Rakesh, Mahesh Mohan, K.S.Unni and A.P.Thomas. (2011). Interpretation of the quantitative geomorphology of the Meenachil river basin, Kerala, South India using remote sensing and geographical information system. Ecology, Environment and Conservation, 17(2): 297-311.
19. Ajaykumar B., Mahesh Mohan, M.K.Renjith, K.S.Unni and A.P.Thomas. (2011). Holocene morphological modification of southwest coast of India: Evidence from the palaeo-deposits of Meenachil river basin, Kerala. Ecology, Environment and Conservation, 17(2): 313-324.
20. Mahesh Mohan, Deepa M. and Thomas A.P. (2010) Comparison of metal accumulation in the selected fishes from two sites of Vembanad Backwaters, Kerala, India. Journal of Environmental Science and Engineering. 52(3): 193-198. NEERI
21. Narendra Babu K., Omana P.K. and Mahesh Mohan. (2010) Water and sediment quality of Ashtamudi estuary, a Ramsar site, southwest coast of India - a statistical appraisal. Environmental Monitoring and Assessment, Volume: 165, Issue: 1-4, Publisher: Springer Netherlands, Pages: 307-319
22. Ajaykumar B., Mahesh Mohan, Shylesh Chandran M.S., Jayasooryan K.K., Unni K.S. and Thomas A.P. (2009) Mechanism and geochemical implications to the Late Holocene organic carbon burial event- an example from Southwest coast of India, Journal Environmental Earth Sciences, Springer, 59(7): 1409-1416. DOI 10.1007/s12665-009-0127-0
23. C. K. Baiju, M. Arumugam, B. Ajaykumar, Mahesh Mohan and P. S. Rakesh (2009) Environmental Impacts of Sand Mining from Meenachil River, Kerala, India. Journal Ecology Environment and Conservation, 15(3), 587-593.
24. Bindu T, Sylas V.P., Mahesh M., Rakesh P.S., Ramasamy E.V. (2008). Pollutant removal from domestic waste water with Taro (Colocasia esculenta) planted in a subsurface flow system. Ecological Engineering, 33: 68-82. Elsevier
25. P.K.Omana and Mahesh M. (2008). The new mercury pollution threat to aquatic ecosystems of India – An example from Kerala. Ecology, Environment and Conservation, 14(2-3): 1-4.
26. Mahesh Mohan and P. K. Omana. (2007). Statistical Analysis of water quality data from a Ramsar site, Vembanad Backwaters, Southwest coast of India. Asian Journal of Microbiology Biotechnology and Environmental Science, Vol. 9, No.1.
27. Ajaykumar B., Mahesh Mohan, Rakesh P.S., Vijith, H. and Satheesh R. (2007). Late Holocene geological changes in the modification of Meenadom Ar sub-watershed: as inferred from textural and morphometric analysis. Echo-chronicle, Vol. 2, No.3: 133-144.
28. Mahesh Mohan, B. Ajaykumar, Benno Joseph and R. Satheesh.(2005). Textural analysis of bed sediments of terrestrial sand mining sites of Meenachil river basin and their implication to the status of Meenadom Ar. The Indian Mineralogist, Special Volume 1.

Book Chapters Published
1. Ajaykumar B., Shijo Joseph, Mahesh Mohan, Nair P.K.K., Unni K.S and Thomas A.P. (2011) Implications for the Evolution of Southwestern Coast of India: A Multi-Proxy Analysis Using Palaeodeposits. In Alisa N. Souter (Editor), Encyclopedia of Environmental Research, Nova Publishers
2. Ajaykumar B., Shijo Joseph, Mahesh Mohan, Nair P.K.K., Unni K.S and Thomas A.P. (2011) Implications for the Evolution of Southwestern Coast of India: A Multi-Proxy Analysis Using Palaeodeposits, in Julian R. Crane and Ashton E. Solomon (Editors) ‘Estuaries: Types, Movement Patterns and Climatical Impacts’, Nova Publishers, New York.
3. B. Ajaykumar, Shijo Joseph, P. C. Abhilash, Mahesh Mohan, K. Anitha and A. P. Thomas (2011) ‘Fossil Wood: A Key to the Past’, In Lorenzo F. Botannini (Editor) ‘Wood: Types, Properties, and Uses’, Nova Publishers, New York.
4. Mahesh Mohan and P.K. Omana. (2008). Mercury pollution in Vembanad Lake and adjoining Muvattupuzha river, Kerala, India. In Pratap K. Mohanty (ed.), Monitoring and modeling Lakes and Coastal Environments, Springer, p 43-49. DOI 10.1007/978-1-4020-6646-7
5. Mahesh Mohan and P.K. Omana. (2007). Mercury pollution in Vembanad Lake, Kerala, India. In Pratap K. Mohanty (ed.), Lakes and coastal wetlands: conservation restoration and management, Capital Publishing Company, New Delhi.
6. Mahesh Mohan and B. Ajaykumar. (2010). Mercury in the environment - sources, impacts and control measures. In Patro, L (Ed.), Environmental Toxicology, Sonali Publications, New Delhi

Papers presented in International and National Seminars
1. C M S Shylesh, M Mahesh and E V Ramasamy.(2013). Distribution of mercury in core sediments of a tropical estuary- west coast of India. National Conference on heavy metals in the environment (HME 2013), Kottayam, Kerala
2. Navya Cherian, Kannan VM, Thafna KK, Mahesh Mahesh (2013). Distribution of total mercury in the soils of Kuttanad agricultural wetland. National Conference on heavy metals in the environment (HME 2013), Kottayam, Kerala
3. Navya Cherian, Mahesh Mohan, Shylesh CMS and EV Ramasamy, (2012) Mercury pollution in the aquatic ecosystems of India – case study from a Ramsar site, South India, International conference on Anthropogenic impact on environment and bioremediation, Tirupathy 2012
4. Kannan V .M, Toms Augustine, Navya Cherian, Mahesh Mohan. 2012. Geochemistry and Heavy Metals in the Soils of Kuttanad Agricultural Ecosystem, Kerala. LAKE-2012, National Conference on Conservation and Management of Wetland Ecosystems conducted at School of Environmental Sciences, MG University, Kottayam.
5. Thafna K.K., Navya Cherian, Binish M.B., Mahesh Mohan. 2012. Distribution of Nutrients in the Soils of Kuttanad Wetland Agroecosystem, Kerala LAKE-2012, National Conference on Conservation and Management of Wetland Ecosystems conducted at School of Environmental Sciences, MG University, Kottayam.
6. B. Ajaykumar, M. S. S.Chandran, K. Sreedharan, Mahesh Mohan and A. P. Thomas, (2011) Holocene environmental modifications along the southwest coast of India : as inferred from the multiproxy analysis of palaeodeposits of Meenachil River, Kerala, India, Presented in the International conference.....Lucknow
7. Toms Augustine, Shyleshchandran M S,Jayasooryan K K, Mahesh Mohan and E.V.Ramasamy. Fractionation and bioavailability of mercury and cadmium in the sediments of Cochin estuary. 3rd INTGC 2011, CWRDM, Kozhikode.
8. B Ajay Kumar, C K Baiju, Mahesh Mohan, V P Sylas, M S S Chandran and P S Rakesh, Soil piping phenomenon: Examples from Idukki district, Kerala, India. in Pradeepkumar A P, Behr F-J. and Ramasamy E V (eds) Applied Disaster Research: Proc Disaster Risk and Vulnerability Conf 2011, March 12-14, 2011, MG University, Kottayam, India. ISBN No. 978-3-943321-03-6.
9. K K Jayasooryan, C M S Shylesh, M Mahesh and E V Ramasamy. Community health risk assessment on mercury contaminated fish consumption at Cochin backwaters, in Pradeepkumar A P, Behr F-J. and Ramasamy E V (eds) Applied Disaster Research: Proc Disaster Risk and Vulnerability Conf 2011, March 12-14, 2011, MG University, Kottayam, India. ISBN No. 978-3-943321-03-6.
10. Shylesh Chandran M.S., Jayasooryan K.K., Subin K. Jose, Mahesh Mohan and E.V.Ramasamy (2010) Mercury in the Core Sediment of Vembanad Backwater – An Implication Towards Anthropogenic Contamination, Lake - 2010, IISc, Bangalore.
11. M.S. Shylesh Chandran, Mahesh Mohan and E.V. Ramasamy (2010). Earthworm species diversity at Nilgiri Biosphere Reserve, International Conference on Biodiversity, IIT, Kharagapur.
12. Mahesh M., Jayasooryan, K.K., Shylesh C.M.S., and Ramasamy E.V. (2010). Impact of climate change on the transformation and transport of mercury in the environment. International Conference on Climate Change and Developing Countries, Kottayam
13. Mahesh M., Jayasooryan, K.K., Shylesh C.M.S., Subin, J. and Ramasamy E.V. (2010) Mercury in water and sediments of Cochin backwaters, Kerala. Indian Science Congress, January 2010, Trivandrum.
14. Toms A., Mahesh M., Shylesh C.M.S., E.V. Ramasamy. (2009). Mercury fractionation in the sediments of the lower reaches of Periyar river, National Seminar on Emerging Trends in Environment and Development, KUNSED 2009, Trivandrum.
15. Toms Augustine, Mahesh Mohan, A.P. Thomas and E.V. Ramasamy. (2009). Heavy metal content in the water and aquatic macrophytes of lower reaches of Periyar river, Proceedings of Kerala Environment Congress, Kannur, May 26-27.
16. Toms Augustine, Mahesh Mohan, K. K. Jayasooryan, E.V. Ramasamy and A.P. Thomas. (2009). Concentration and Bioavailability of Cd, Pb and Cu in Sediments of Lower Reaches of Periyar River, Kerala. Kerala Science Congress 2009.
17. Mahesh Mohan. (2008). Changing Environment and Vector-Borne Diseases, Presented in State Level Seminar on Vector Borne Diseases and their control, February 23rd 2008, Alappuzha. Organized by Department of Indian System of Medicine, Govt. of Kerala
18. Ajaykumar B., Mahesh Mohan, Rakesh P.S., Unni, K.S. and Satheesh R. (2008). Inference on the late Holocene modifications of the Meenachil river basin through the textural and morphometric analysis. Presented in XVIII Kerala Science Congress, January 28-31, 2008, Thiruvanathapuram, organised by Kerala State Council for science Technology and Environment.
19. Renjith, Mahesh M., Ajaykumar, Satheesh R. and Benno Joseph. 2007. “Channel re-orientation of the Meenachil River, Kerala, as inferred from the textural characteristics of the terrestrial sand deposits”. Presented in the 19th Kerala Science Congress held at Kannur during 29-31 January 2007.
20. Sujatha S., Mahesh M. and E.V. Ramasamy. (2007). Composting And Vermicomposting of Pistia Stratiotes with Three Epigeic Earthworm Species in the National Seminar Cum Workshop on Conservation and Inventerization of Soil Fauna. Organised by P.G. and Research Department of Biotechnology, K.S.R.College of Arts and Science, Tiruchengode.
21. Shylesh Chandran M.S., Mahesh Mohan, Ramasamy, E.V. 2007. Vermicomposting of Municipal Solid Waste Using an Indigenous Earthworm- Plutellus Sp. Presented in Kerala Environment Congress, 2008.
22. Mahesh Mohan and P.K. Omana. (2006). Distribution of mercury and the threat to Vembanadu ecosystem, Ramsar site, Kerala presented in XVIII Kerala Science Congress, January 30-31, 2006, Thiruvanathapuram, organised by Kerala State Council for science Technology and Environment
23. Mahesh Mohan and P.K. Omana. (2004). Mercury pollution in Vembanad Lake, Kerala, India presented in the International Conference on Conservation, Restoration and Management of Lakes and Coastal Wetlands 9-13 December 2004 at Bhubaneswar, Orissa.
24. Mahesh Mohan and Omana P.K. (2006) “Water quality of Vembanadu Lake, Ramsar site, Kerala” Presented in the National Conference on Current Perspectives in Aquatic Biology, 17-18 March, 2006, Chennai organised by Limnological Society of India and Zoology Department, Madras University.
25. Mahesh Mohan, Benno joseph, R. Satheesh and B. Ajaykumar. 2004. “Textural analysis of bed sediments of terrestrial sand mining sites of Meenachil river basin and their implication to the status of Meenadom Ar”, presented in the International Seminar on Earth Resource Management-2004. Oraganised by Mineralogical society of India and Department of Applied Geology, Kuvembu University.

Professional Skills
Software
• Statistical Software- SPSS-11

Laboratory Techniques
Solid analytic and technical skills in environmental pollution, environmental biotechnology and environmental geology.
• Air, water (drinking/waste water) and sediment/ soil quality analysis.
• Analysis of heavy metal content in sediment, water, pore water, solid waste and biological samples such as fishes, planktons, benthic organisms and plants.
• Analysis of Pesticides and other organic contaminants.
• Geomorphological analysis
• Textural and geochemical analysis of sedimentary deposits
• Ecological field work and analysis

ACADEMIC BACKGROUND

Ph.D

Studies on mercury pollution in Vembanadu Lake at School of Environmental Sciences, Mahatma Gandhi University, Kottayam (2010)

M.Sc. Environment Management (2003) (With University Second Rank)
B.Sc Chemistry (2000)
Training Course Isotope Tracer Techniques for Water Resources Development and Management by DST, Government of India

EXPERIENCE

Teaching Experience : 4 years

2010 - till to date

Assistant Professor :School of Environmental Science, Mahatma Gandhi University

2008-2010

Senior Research Fellow : School of Environmental Science, Mahatma Gandhi University Project ‘Chemical transformation and bioaccumulation of mercury in Vembanad wetland and Cochin near shore areas’

2005-2007

Junior Research Fellow : School of Environmental Science, Mahatma Gandhi University Project ‘Earthworm species diversity at different forest ecosystems of Nilgiri Biosphere Reserve’

2003-2005

Project Fellow : Center for Earth Science Studies (CESS) Project ‘Geochemical investigations on anthropogenic mercury and other heavy metals in Vembanad Lake sediments’