Ayato Kohzu | Inland water | Excellence in Research

Dr Ayato Kohzu | Inland water | Excellence in Research

Reginal Environmental Conservation Divisio at  National Institute for Environmental Studies, Japan

Ayato Kohzu, Ph.D., is a prominent figure in environmental science and limnology, currently serving as the Chief of the National Institute for Environmental Studies (NIES) in Japan. Born on March 20, 1972, in Tsukuba, Ibaraki, Japan, Kohzu’s academic journey began with a degree from Rakusei High School in Kyoto. He went on to earn his Doctor of Science degree from Kyoto University in 2000, where his doctoral dissertation showcased his dedication to advancing the understanding of ecosystem dynamics.

Publication Profile:🌟👨‍🎓


  • Graduated from Rakusei High School, Kyoto, Japan (Apr. 1987 – Mar. 1990)
  • Doctor of Science from Kyoto University, Japan (Mar. 2000)

Work Experience:

  • Chief at NIES, Japan (Apr. 2016 – Present)
  • Chief Researcher at NIES, Japan (Jul. 2010 – Mar. 2016)
  • Special Researcher at NIES, Japan (Apr. 2008 – Jun. 2010)
  • CREST Post Doctor at Japan (Apr. 2004 – Mar. 2008)
  • JSPS Post Doctor at Japan (Apr. 2001 – Mar. 2004)


  • Ecological Society of America
  • Japanese Limnological Society
  • Japanese Water Environmental Society

🔬 Research Focus:

Ayato Kohzu’s research focuses on understanding the intricate dynamics of ecosystems 🌱, particularly emphasizing the impact of various environmental factors on water quality and ecological stability. His investigations delve into diverse topics, including the effects of extreme precipitation on shallow lakes 🌊, the structural functions of sediment burrows using magnetic resonance imaging 🧲, and the consequences of macrophyte harvesting on aquatic environments 🌿. Kohzu’s work also explores the alteration of carbon and nitrogen isotopes during sedimentation processes, providing direct evidence for understanding early diagenesis in lake ecosystems. Through his research, Kohzu contributes significantly to advancing our knowledge of ecological systems and their responses to environmental changes.


Ayato Kohzu’s research has garnered significant recognition, with 1,528 citations across 88 documents, resulting in an h-index of 21. This indicates the substantial impact of his work within the scientific community.

Publications Top Notes:

  1. Kohzu, A., Matsuzaki, S.-I.S., Komuro, S., et al. (2023). Identifying the true drivers of abrupt changes in ecosystem state with a focus on time lags: Extreme precipitation can determine water quality in shallow lakes. Science of the Total Environment, 881, 163097.
  2. Shinohara, R., Matsuzaki, S.-I.S., Watanabe, M., et al. (2023). Heat Waves Can Cause Hypoxia in Shallow Lakes. Geophysical Research Letters, 50(8), e2023GL102967.
  3. Matsuzaki, S.-I.S., Kohzu, A., Tsuchiya, K., et al. (2023). Water-level drawdowns can improve surface water quality and alleviate bottom hypoxia in shallow, eutrophic water bodies. Freshwater Biology, 68(2), pp. 229–244.
  4. Shinohara, R., Tsuchiya, K., Kohzu, A., et al. (2022). The composition of organic phosphorus in a river during the springtime irrigation period. Journal of Hydrology: Regional Studies, 44, 101238.
  5. Inoue, T., Akaji, Y., Kohzu, A., et al. (2022). Relationship between plant growth and soil chemical properties in a mangrove afforestation stand, Kiribati. Plant and Soil, 479(1-2), pp. 559–571.
  6. Nakanishi, K., Yokomizo, H., Fukaya, K., et al. (2022). Inferring causal impacts of extreme water-level drawdowns on lake water clarity using long-term monitoring data. Science of the Total Environment, 838, 156088.
  7. Shinohara, R., Matsuzaki, S.-I.S., Nakagawa, M., Tsuchiya, K., Kohzu, A. (2022). Does increased springtime solar radiation also increase primary production? Journal of Plankton Research, 44(4), pp. 496–506.


Ajith J Kings | Water Management | Excellence in Research

Dr Ajith J Kings | Water Management | Excellence in Research

Associate Professor at  St. Xavier’s Catholic College of Engineering, India

Dr. Ajith J. Kings is an accomplished academician and researcher with a strong background in Mechanical Engineering. Currently serving as an Associate Professor at St. Xavier’s Catholic College of Engineering, he brings over 16 years of teaching experience, contributing significantly to the field of education. His commitment to excellence is evident through his career objective, aiming to blend creativity with technical proficiency in a conducive environment.


Publication Profile:🌟👨‍🎓

🎓 Education:

  • Ph.D. in Mechanical Engineering, St. Xavier’s Catholic College of Engineering, Anna University (2017)
  • M.E. in Computer Aided Design, Sathayabama University, Chennai (2006)
  • B.E. in Mechanical Engineering, Jayamatha Engineering College, Manonmaniyam Sundaranar University (2004)
  • DME, NMS Kamaraj Polytechnic (1999)
  • HSC, Babuji Memorial Hr. Sec. School (1996)
  • SSLC, Francis Xavier High School (1994)

👨‍🏫 Teaching Experience:

  • Associate Professor at St. Xavier’s Catholic College of Engineering (since 01-08-2023)
  • Assistant Professor at St. Xavier’s Catholic College of Engineering (02-07-2007 to present)
  • Lecturer at Udaya School of Engineering, Vellamodi (01-08-2006 to 30-06-2007)

📚 Academic Achievements:

  • Conducted a national level technical E-Quiz on “Biofuels” with over 800 participants.
  • Awarded Certificate of Mentorship at KPIT SPARKLE 2020 for the project “Hydrogen production from microalgae.”

🏆 Projects Applied and Awards:

  • Applied for funded projects in areas like Algal Biofuels and Power systems with renewable integration.
  • Won the most popular project award for “Hydrogen production from microalgae” at KPIT SPARKLE 2020.

👩‍🔬 Research Focus:

Dr. Ajith J. Kings is a distinguished researcher specializing in the field of sustainable energy, particularly biodiesel production from microalgae. His groundbreaking work includes the cultivation and optimization of biodiesel from microalgae Euglena sanguinea, employing eco-friendly catalysts. Additionally, he has identified and characterized a novel biodiesel-producing halophilic Aphanothece halophytica. Dr. Kings’ research extends to the growth studies of microalgae in eco-friendly composite media for optimized lipid productivity. His contributions also encompass enhanced FAME production using green catalysts from isolated halophilic strains. In 2021, he explored algal oil extraction and biodiesel conversion in a novel batch reactor, assessing compatibility in IC engines at various compression ratios. 🌱🔬 #SustainableEnergy #BiodieselResearch


  • Citations: 144 citations from 113 documents.
  • Documents: The author has a total of 11 documents, which could include research papers, articles, or other scholarly works.
  • h-index: The h-index is 6, indicating that the author has 6 documents that have been cited at least 6 times each.

Publications Top Notes:

1. “Synthesis of Biodiesel from Delonix regia” (2024)

  • A groundbreaking study on biodiesel synthesis from Delonix regia using a novel bamboo stem biocatalyst.
  • Authors: Monisha Miriam, A.J. Kings, R. Edwin Raj, et al.
  • Published in Industrial Crops and Products.

2. “Lipid Extraction from Microalgae Aphanothece halophytica” (2023)

  • Process optimization of lipid extraction from Aphanothece halophytica in wet and dry conditions.
  • Authors: Monisha Miriam, A.J. Kings, R.E. Raj, K.P. Shyam, M. Adhi Viswanathan.
  • Published in Bioenergy Research.

3. “Sustainable Biodiesel Production” (2023)

  • Investigation on sustainable biodiesel production using CaO-TiO2 nano-catalyst from various plants.
  • Authors: Sujin P., P.M. Diaz, A.J. Kings, L.R.M. Miriam.
  • Published in Energy and Environment.

4. “Enhanced Biodiesel Production from Mixed Waste Cooking Oil” (2023)

  • Utilizing magnetic nanocatalyst CrFe2O4 for enhanced biodiesel production from mixed waste cooking oil.
  • Authors: Arul Jerman, Julyes Jaisingh, A.J. Kings, R.S. Rimal Isaac.
  • Published in Energy and Environment (Article in Press).

5. “Comparative Study of Biodiesel Synthesis” (2022)

  • RSM-based comparative experimental study on sustainable biodiesel synthesis from different 2G feedstocks.
  • Authors: Saravanan A., A.J. Kings, L.R.M. Miriam, R.S.R. Isaac.
  • Published in Environment, Development and Sustainability (Article in Press).

6. “Exopolysaccharide Production by Marine Enterobacter cloacae” (2021)

  • Investigation on exopolysaccharide production by marine Enterobacter cloacae MBB8 and its antioxidant potential.
  • Authors: Prakash Shyam K., P. Rajkumar, V. Ramya, A.J. Kings, L.R.M. Miriam, et al.
  • Published in Carbohydrate Polymer Technologies and Applications (Open Access).

👨‍🔬 Dr. Ajith J. Kings’ research portfolio showcases a commitment to sustainable energy solutions and innovative biodiesel production techniques, earning significant citations in the scientific community.