Title Dr. First Name Rajesh Last Name Ranjan
Designation Associate Professor
Department Department of Environmental Science
Email rajesh.ranjan@cub.ac.in
Webpage
Phone.no rajeshkranjan@gmail.
Employement Info
Employee Type Nature Of Employment
Teaching Permanent
Educational Qualifications
Degree/Certification Name Institution Year of Completion
Ph.D. - Biomarker and stable isotope record of biogeochemical processes in the Pichavaram mangroves, Tamil Nadu (India) Jawaharlal Nehru University, New Delhi 2010
M.Phil. Jawaharlal Nehru University, New Delhi 2007
PG Jawaharlal Nehru University New Delhi 2004
UG Magadh University, Bodhgaya 2002
HSC Bihar Intermediate Education Council, Patna 1996
SSC Bihar School Examination Board, Patna 1994
Teaching Experience (Within Institution)
Designation Duration
Assistant Professor (Selection Grade) 21-12-2019 To 20-12-2022 (2 years, 11 months, 29 days)
Assistant Professor Presently Working since 01-08-2011 (13 years, 4 months, 29 days)
Assistant Professor (Senior Scale) Presently Working since 21-12-2014 (10 years, 9 days)
Associate Professor Presently Working since 21-12-2022 (2 years, 9 days)
Administrative Experience (Within Institution)
Designation Duration
Incharge Guest house 25-02-2021 To 26-02-2024 (3 years, 1 days)
Administrative Experience (Outside Institution)
Designation Institute Duration
Non Official Membder; Regional Empowered Committee, East Central Zone, Ranchi, (MOEF&CC), Government of India East Central Zone; Ranchi MoEFCC; Govt of India 08-01-2015 To 07-01-2019 (3 years, 11 months, 30 days)
Research Supervision Overview
PhD Scholars Supervised PhD Degrees Awarded Theses Submitted
2 1 0
M.Phil Scholars Supervised M.Phil Degrees Awarded M.Phil Theses Submitted
0 31 0
Research Publications
Title of Article Type of Publication Name of Journal ISSN Journal Volume Year Link to Article DOI (Digital Object Identifier)
Groundwater quality and its suitability for drinking and irrigational purpose in Bhojpur district: middle Gangetic plain of Bihar, India Research Papers in Peer Reviewed Journals Water supply 1606 - 9749 9 2022 https://iwaponline.com/ws/article/22/9/7072/90549/Groundwater-quality-and-its-suitability-for https://doi.org/10.2166/ws.2022.317
Organic carbon characteristics in Swedish forest soil trace post-depositional carbon dynamics Research Papers in Peer Reviewed Journals European Journal of Soil Science 1351-0754 67 2016 https://bsssjournals.onlinelibrary.wiley.com/doi/abs/10.1111/ejss.12358 https://doi.org/10.1111/ejss.12358
Tidal Control on The Nutrient Variability in Sundarban Mangrove Ecosystem. Research Papers in Peer Reviewed Journals Journal of Applied Geochemistry (ISAG) 0883-2927 18 2016 https://www.researchgate.net/publication/309359529_TIDAL_CONTROL_ON_THE_NUTRIENT_VARIABILITY_IN_SUNDARBAN_MANGROVE_ECOSYSTEM NA
Assessment of metal enrichments in tsunamigenic sediments of Pichavaram mangroves, southeast coast of India. Environmental Monitoring and Assessment Research Papers in Peer Reviewed Journals Environmental Monitoring and Assessment 8197-8213 147 2008 https://link.springer.com/article/10.1007/s10661-007-0128-y 10.1007/s10661-007-0128-y
Impact of urbanization on hydrogeochemistry and trace metal distribution on five major ponds in the holy city of Gaya, India Research Papers in Peer Reviewed Journals Groundwater for Sustainable Development 2352-801X 12 2021 https://www.sciencedirect.com/science/article/abs/pii/S2352801X2030240X https://doi.org/10.1016/j.gsd.2020.100508
Siderophore-assisted cadmium hyperaccumulation in Bacillus subtilis. Research Papers in Peer Reviewed Journals International Microbiology 1139-6709 23 2019 https://link.springer.com/article/10.1007/s10123-019-00101-4#:~:text=In%20silico%20docking%20and%20STRING,the%20presence%20of%20hydroxamate%20siderophore. https://doi.org/10.1007/s10123-019-00101-4 
Phosphorus fractionation in sediments of the Pichavaram mangrove ecosystem, south-eastern coast of India Research Papers in Peer Reviewed Journals Environmental Earth Sciences 1866-6280 62 2010 https://link.springer.com/article/10.1007/s12665-010-0659-3 10.1007/s12665-010-0659-3
Bioavailability and risk assessment of trace metals in sediments of a high-altitude eutrophic lake, Ooty, Tamil Nadu, India. Research Papers in Peer Reviewed Journals Environmental Science and Pollution Research 0944-1344 28 2020 https://link.springer.com/article/10.1007/s11356-020-11232-x https://doi.org/10.1007/s11356-020-11232-x
Spatio-temporal variation of atmospheric CO2 and its association with anthropogenic, vegetation, and climate indices over the state of Bihar, India Research Papers in Peer Reviewed Journals Environmental Advances 2666-7657 16 2024 https://www.sciencedirect.com/science/article/pii/S2666765724000310 https://doi.org/10.1016/j.envadv.2024.100513
Geochemical modeling to evaluate the mangrove forest water Research Papers in Peer Reviewed Journals Arabian Journal of Geosciences 1866-7511 8 2014 https://link.springer.com/article/10.1007/s12517-014-1539-z 10.1007/s12517-014-1539-z
Evaluation of geochemical impact of tsunami on Pichavaram mangrove ecosystem, southeast coast of India. Research Papers in Peer Reviewed Journals Environmental Geology 2591-7641 55 2007 https://link.springer.com/article/10.1007/s00254-007-1019-9 10.1007/s00254-007-1019-9
Pattern of spatial variability in granulometric and mineralogical characteristics across an ecologically sensitive sub-tropical wetland (Bihar, India) Research Papers in Peer Reviewed Journals International Journal of Sediment Research 1001-6279 38 2023 https://www.sciencedirect.com/science/article/abs/pii/S1001627923000070 https://doi.org/10.1016/j.ijsrc.2023.02.004
A study of microbial diversity and its interaction with nutrients in the sediments of Sunderban mangroves Research Papers in Peer Reviewed Journals Indian Journal of Marine sciences 2582-6506 37 2008 https://nopr.niscpr.res.in/bitstream/123456789/1880/1/IJMS%2037(2)%20159-165.pdf NA
Possible bioremediation of arsenic toxicity by isolating indigenous bacteria from the middle Gangetic plain of Bihar, India Research Papers in Peer Reviewed Journals Biotechnology Reports 2215-017X 17 2018 https://pubmed.ncbi.nlm.nih.gov/29541605/ DOI: 10.1016/j.btre.2018.02.002
Sedimentary Geochemistry of Kabar Tal Wetland, Begusarai, Bihar, India. Research Papers in Peer Reviewed Journals Journal of Applied Geochemistry 0883-2927 18 2016 https://www.researchgate.net/publication/310459814_Sedimentary_Geochemistry_of_Kabar_Tal_Wetland_Begusarai_Bihar_India NA
Groundwater quality and its suitability for drinking and irrigational purpose in Bhojpur district: middle Gangetic plain of Bihar, India Research Papers in Peer Reviewed Journals Water supply 1606 - 9749 9 2022 https://iwaponline.com/ws/article/22/9/7072/90549/Groundwater-quality-and-its-suitability-for https://doi.org/10.2166/ws.2022.317
Phosphorus dynamics in mangroves of India Research Papers in Peer Reviewed Journals CURRENT SCIENCE 0011-3891 108 2015 https://www.currentscience.ac.in/Volumes/108/10/1874.pdf 10.18520/CS/V108/I10/1874-1881
Hydrochemical characteristics of groundwater in the plains of Phalgu River in Gaya, Bihar, India. Arabian Journal of Geosciences Research Papers in Peer Reviewed Journals Arabian Journal of Geosciences 1866-7511 6 2012 https://link.springer.com/article/10.1007/s12517-012-0599-1#:~:text=The%20groundwater%20quality%20of%20the,are%20within%20the%20permissible%20limit. 10.1007/s12517-012-0599-1
Cloning and functional characterization of arsenite oxidase (aoxB) gene associated with arsenic transformation in Pseudomonas sp. strain AK9 Research Papers in Peer Reviewed Journals Gene 0378-1119 850 2023 https://www.sciencedirect.com/science/article/abs/pii/S0378111922007466 https://doi.org/10.1016/j.gene.2022.146926
Chemometric analysis and risk assessment indices to evaluate water and sediment contamination of a tropical mangrove forest. Research Papers in Peer Reviewed Journals Journal of Trace Elements and Minerals 2773-0506 2 2022 https://www.sciencedirect.com/science/article/pii/S2773050622000271 https://doi.org/10.1016/j.jtemin.2022.100028
Rare earth elements as biogeochemical indicators in mangrove ecosystems (Pichavaram, Tamil Nadu, India) Research Papers in Peer Reviewed Journals Journal of Sedimentary Research 1527-1404 84 2014 https://pubs.geoscienceworld.org/sepm/jsedres/article-abstract/84/9/781/145423/Rare-Earth-Elements-As-Biogeochemical-Indicators http://dx.doi.org/10.2110/jsr.2014.63
Phosphorus dynamics in shallow eutrophic lakes: an example from Zeekoevlei, South Africa. Research Papers in Peer Reviewed Journals Hydrobiologia 0018-8158 619 2008 https://link.springer.com/article/10.1007/s10750-008-9600-0 10.1007/s10750-008-9600-0
Assessment of microbial communities and heavy metals in urban soils of Patna, Bihar (India).   Research Papers in Peer Reviewed Journals Arabian Journal of Geosciences 1866-7538 12 2019 https://link.springer.com/article/10.1007/s12517-018-4188-9#:~:text=The%20CF%20was%20determined%20to,during%20monsoon%20and%20winter%2C%20respectively. DOIhttps://doi.org/10.1007/s12517-018-4188-9
Sediment biomarker profiles trace organic matter input in the Pichavaram mangrove complex, southeastern India Research Papers in Peer Reviewed Journals Marine Chemistry 0304-4203 171 2015 https://sci-hub.yncjkj.com/10.1016/j.marchem.2015.02.001 https://doi.org/10.1016/j.marchem.2015.02.001
Spatial and seasonal variability in the water chemistry of Kabar Tal wetland (Ramsar site), Bihar, India: multivariate statistical techniques and GIS approach  Research Papers in Peer Reviewed Journals Water Science & Technology 0273 - 1223 83 2021 https://iwaponline.com/wst/article/83/9/2100/81106/Spatial-and-seasonal-variability-in-the-water https://doi.org/10.2166/wst.2021.115
Metal Speciation studies in the aquifer sediments of Semria Ojhapatti, Bhojpur district, Bihar Research Papers in Peer Reviewed Journals Environmental Monitoring and Assessment 0167-6369 184 2011 https://link.springer.com/article/10.1007/s10661-011-2168-6 10.1007/s10661-011-2168-6
COVID-19 pandemic: Insights into structure, function, and hACE2 receptor recognition by SARS-CoV-2. Research Papers in Peer Reviewed Journals PLOSPathogens 1553-7366 16 2020 https://pubmed.ncbi.nlm.nih.gov/32822426/ https://doi.org/10.1371/journal.ppat.1008762
Sedimentary geochemistry of Chorao Island, Mandovi mangrove estuarine complex, Goa. Research Papers in Peer Reviewed Journals Journal of Geo-Marine Sciences 2582-6506 43 2014 https://nopr.niscpr.res.in/bitstream/123456789/28979/3/IJMS%2043%286%29%201091-1100.pdf 10.1007/s11356-022-25005-1.
Trace metal fractionation in the Pichavaram mangrove- estuarine sediments in southeast India after the tsunami of 2004 Research Papers in Peer Reviewed Journals Environmental Monitoring and Assessment 0167-6369 185 2013 https://link.springer.com/article/10.1007/s10661-013-3167-6 10.1007/s10661-013-3167-6
Polycyclic aromatic hydrocarbon fingerprints in the Pichavaram mangrove-estuarine sediments, southeastern India Research Papers in Peer Reviewed Journals Organic Geochemistry 0146-6380 53.00 2012 https://www.sciencedirect.com/science/article/abs/pii/S0146638012001738 http://dx.doi.org/10.1016/j.orggeochem.2012.08.007
Chemodynamics of trace metal fractions in surface sediments of the Pandoh Lake, Lesser Himalaya, India Research Papers in Peer Reviewed Journals Environmental Geology 2591-7641 57 2008 https://link.springer.com/article/10.1007/s00254-008-1476-9 1007/s00254-008-1476-9
Assessment of trace metal contamination in the core sediment of Kabar Tal wetland, Begusarai, Bihar (India) Research Papers in Peer Reviewed Journals Environmental Science and Pollution Research 0944-1344 28 2021 https://link.springer.com/article/10.1007/s11356-020-11775-z https://doi.org/10.1007/s11356-020-11775-z
Bulk organic matter characteristics in the Pichavaram mangrove-estuarine complex, south-eastern India. Research Papers in Peer Reviewed Journals Applied Geochemistry 0883-2927  25 2010 https://doi.org/10.1016/j.apgeochem.2010.05.003 10.1016/j.apgeochem.2010.05.003
Differential responses of hydrochemical factors and LULC changes on the spatial and temporal hydrogeochemistry of the eco-sensitive Baraila wetland, Bihar, India. Research Papers in Peer Reviewed Journals Environmental Science and Pollution Research 1614-7499 30 2023 https://link.springer.com/article/10.1007/s11356-022-25005-1 10.1007/s11356-022-25005-1.
Elemental and stable isotope records of organic matter input and its fate in the Pichavaram mangrove-estuarine sediments (Tamil Nadu, India). Research Papers in Scopus Listed Journals Marine Chemistry 126 https://www.sciencedirect.com/science/article/abs/pii/S0304420311000594
Non-Journal Publications
Title of Publication Type of Publication Publisher Role ISBN Year Link to Publication Level
Hydrogeochemistry and Arsenic Distribution in the Gorakhpur District in the Middle Gangetic Plain, India. Chapters in Books Springer New Delhi Author https://link.springer.com/book/10.1007/978-3-319-16124-2 International
Water Pollution: Sources, Environmental Pathways and Toxicity Chapters in Books Nova Science Publications, Author https://novapublishers.com/shop/recent-trends-and-advances-in-environmental-health/ International
Dissolved metal distribution in Indian mangrove ecosystem: Case studies from East Coast of India Chapters in Books Springer (Jointly with Capital Publisher) New Delhi Author https://link.springer.com/book/10.1007/978-90-481-3068-9 International
Impact of land use and land cover changes on nutrients concentration in and around Kabar tal wetland, Begusarai (Bihar), India. Chapters in Books CRC Press Author https://www.routledge.com/Geospatial-Applications-for-Natural-Resources-Management/Singh/p/book/9781138626287 International
Sediment-nutrient dynamics in selected Indian mangrove ecosystems – land use and climate change implications Chapters in Books Red book -IAHS Publ Author International
Vertical distribution of nutrients and trace metals in ghora katora lake sediment, Rajgir, Bihar, India Full Paper in Conference Proceedings/Other Proceeding of National Conference on Biogeochemical Cycling and Climate Change, IIT (ISM) Dhanbad Author National
Ecological and Societal Importance of Wetlands (A Case Study of North Bihar (India) Chapters in Books Wiley Author https://onlinelibrary.wiley.com/doi/abs/10.1002/9781119692621.ch4 International
Research Projects
Project Title Project Type Year Of Sanction Outcome/Output Duration
Nutrients and organic carbon dynamics in the sedimentary profile of Ghora Katora Lake (Eco Sensitive Zone), Rajgir, Bihar India" PI Major 2022 Ongoing since 15-03-2022 (2 years, 9 months, 15 days)
Biogeochemical Processes Influencing Eutrophication in Kabartal Wetland, Bihar (India)” 2022 17-10-2014 To 16-10-2017 (2 years, 11 months, 29 days)
Indoor biomass burning contributes to significant particulate matter exposure, chronic human health burden, and an economic drain in rural households Major 2023 Ongoing since 01-09-2023 (1 years, 3 months, 29 days)
Spatial distribution of uranium and associated water quality parameters in groundwater / drinking water of five districts (Buxar, Bhojpur, Kaimur, Rohtas and Patna) of Bihar 2016 30-03-2016 To 20-06-2020 (4 years, 2 months, 21 days)
Development and demonstration of Nature based hybrid constructed wetlands for faecal sludge treatment: a decentralized and sustainable sanitation alternative 2024 Ongoing since 19-02-2024 (10 months, 11 days)
Heavy metal fingerprints in Kabrtal Wetland, Bihar 2012 11-09-2012 To 10-09-2014 (1 years, 11 months, 30 days)
Contribution To MoU
Collaborating Institution Title of MoU Date of MoU Duration (Months)
Linköpings universitet (LiU), Sweden; Karolinska Institutet (KI) Stockholm, Sweden; IIT Mandi and CUSB Gaya Collaboration Agreement 07-06-2023 48
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