Lectures

Invited Lectures Delivered in India and Abroad:

1. Network Analysis in ecology – Czech Academy of Sciences, Czech Republic – 3 April, 1998.

2. Implication of body sizes in ecological system, assessment through modeling – Royal Danish School of Pharmacy, University of Copenhagen, Denmark -6 June, 2000.

3. Recent development in structural dynamic modeling on ecology – Department of Mathematics, Jadavpur University, India – 7 January, 2001.

4. Simulation modeling in ecology and ecological extremal principles – Institute of Ecology, University of Georgia, USA – 21 July, 2001.

5. Assessment of qualitative and quantitative changes in estuarine system through modeling – Skidaway Oceanographic Institute, Savana, USA – 4 August, 2001.

6. Models in ecology – 6th Refresher Course in Life Science, Department of Zoology, Visva Bharati, India – 5 April, 2002.

7. Modelling and Extremal Principles in Ecology – Institute of Wetland Management and Ecological Design – 2 May, 2002.

8. Invited as scientist and delivered series of lectures on Static and Dynamic modeling on ecology– Centre for Ecological Sciences, Indian Institute of Science, Bangalore, India and Jaharlal Nehru Centre for Advanced Scientific Research, Jakkur – 14 October to 20 October, 2002.

9. Invited as scientist and delivered series of lectures on Static and Dynamic modeling on ecological and biological systems – Centre for Atmospheric Sciences, Indian Institute of Technology, New Delhi, India – 28 October to 5 November, 2002.

10. Modelling as a tool for evaluating ecosystem I. The static model applied in Sundarban mangrove ecosystem – 3rd UGC sponsored Refresher Course in Zoology – Department of Zoology, North Bengal University, India – 29 November, 2002.

11. Modelling as a tool for evaluating ecosystem II. The dynamic model applied in Sundarban mangrove ecosystem – 3rd UGC sponsored Refresher Course in Zoology – Department of Zoology, North Bengal University, India – 30 November, 2002.

12. Static and dynamic models in Ecology – 7th Refresher Course in Life Science, Department of Zoology, Visva Bharati, India – 18 January, 2003.

13. Assessment of qualitative changes in ecosystem through modeling – Assessment of quantitative changes in ecosystem through modeling - UGC refresher course on Mathematical Modelling of Biological and Environmental Systems – Department of Mathematics, Jadavpur University – 26 February, 2003.

14. Assessment of quantitative changes in ecosystem through modeling –UGC refresher course on Mathematical Modelling of Biological and Environmental Systems – Department of Mathematics, Jadavpur University – 26 February, 2003.

15. Act as an instructor of the workshop on Mathematical Modelling of Biological and Environmental Systems, Departmetnt of Mathematics, Jadavpur University – 4 March, 2003.

16. Ecology and advances in mathematical sciences – National conference on Advances in Mathematical Sciences organized under the joint collaboration of the UGC-DSA Programme in Mathematics and the Centre for Mathematical Biology and Ecology, Department of Mathematics, Jadavpur University, Kolkata – 21 – 22 March, 2003.

17. Static and dynamic models in Ecology: Application on Sundarban Mangrove Ecosystem – The Zoological Society, Kolkata 700 019 – 24 September, 2003.

18. Molecular Basis of an Index for evaluation of ecosystem – 8th Refresher Course in Life Science, Department of Zoology, Visva-Bharati, India – 13 February, 2004.

19. Structural dynamic model and its application - 8th Refresher Course in Life Science, Department of Zoology, Visva-Bharati, India – 21st February, 2004.

20. Role of Mathematics in Biological Science – Seminar on “Role of Mathematics Education”, Mallabhum Institute of Technology, Bishnupur, India, 22 February, 2004.

21. Structural dynamic modeling and its application –National seminar on “Mathemaics as service subject”, Centre for Mathematical Education, Department of Mathemaics, Visva-Bharati– 1st March, 2004.

22. Invited to deliver a special lecture and to chair one of the sessions of the Symposium on Advances in Fish Physiology: Ecological Considerations, Department of Zoology, Banaras Hindu University, Varanasi (could not participate due to the coincidence of a seminar in the same date in my department).

23. Simulation in Ecology – Static models, Refresher course “Mathematics in Life Science: Mathematical Modelling in Biological Systems, Sivatosh Mookerjee Science Centre, Kolkata – 16th March, 2004.

24. Simulation in Ecology – Dynamic models, Refresher course “Mathematics in Life Science : Mathematical Modelling in Biological Systems, Sivatosh Mookerjee Science Centre, Kolkata – 16th March, 2004.

25. Community organization and assessment of community interactions through modeling – Lady Brabourne College, Kolkata – 9 September 2004.

26. Methodology in Ecological Modelling – International conference on Methodology and Science – Dept. of Philosophy, Visva-Bharati, 28 to 30 December 2004.

27. Thermodynamic goal function during order to chaos and vice versa in an aquatic ecosystem – 9th Refresher course in Life Science, Department of Zoology, Visva-Bharati, India – 3 March 2005.

28. Network simulation in ecology - Refresher course in Life Science, Department of Zoology, Ranchi University, India – 22 March, 2006.

29. Theoretical aspects in ecology - Refresher course in Life Science, Department of Zoology, Ranchi University, India – 23 March, 2006.

30. Order to chaos and vice versa in an aquatic ecosystem – Department of Botany, Ranchi University, India – 23 March, 2006.

31. Comparative study of virgin and reclaimed islands of Sundarban mangrove ecosystem through network analysis – International Conference on Ecological Modeling, Yamaguchi, Japan – 30 August, 2006.

32. Ecosystem the Self organizing system – A study in an aquatic ecosystem developing from ordered to chaotic states – National Seminar on Environment and sustainable development, Sambalpur University, March 17, 2007.

33. Comparative study of energy flux in the benthic food web of virgin and reclaimed islands of Hooghly-Matla estuarine complex by using network simulation – Platinum Jubilee Celebration – International Conference on Environmental and Ecological Statistics with Application, Indian Statistical Instititute, Kolkata, 23 March, 2007.

34. Modeling of the contribution of dissolved inorganic nitrogen (DIN) from litterfall of adjacent mangrove forest to Hooghly-Matla estuary, India – Invited to deliver the lecture on 6th European Conference on Ecological Modelling will be held on International Centre for Theoretical Physics, Trieste, Italy, 27 November to 30 November, 2007.

35. Experiences and Research Activities in Arctic – Invited to deliver lectures in different places       (DST Inspiration programme, Lipika, Visva-Bharati, 14 August, 2009; 17 September, Study Circle, Visva-Bharati; 18 November, Sivotosh Mukherjee Science Centre, Kolkata etc.

36. Exergy and its extension to ecological system –8 September, 2009, Presidency College, Kolkata.

37. Static and dynamic modeling in ecology – 10 October, 2009 – IISER, Pune.

38. Impact of climate change on Sundarban mangrove ecosystem: study through system ecology. – 18 February, 2010 – Cochin University of Technology and Science, Cochin, Kerala.

39. Ecological modeling as a tool for the conservation and management of biodiversity  - 5 March 2010 – P G Department of Zoology, Jamshedpur Women’s College, Jamshedpur.

40. Theoretical models in ecology and their application – UGC-Academic staff college, Ranchi University, Ranchi – 16 August, 2010.

41. Simulation models in ecology and their application - UGC-Academic staff college, Ranchi University, Ranchi – 17August, 2010.

42. Art of simulation modeling in ecology with some examples from Hooghly-Matla estuarine system – Workshop and Symposium on Mathematical Ecology – IISER, Kolkata, 14 December 2010.

43. Investigation of exergy and ascendency in an aquatic ecosystem moving from order to chaos and vice versa – Graduate School of Science and Engineering, Yamaguchi University, Ube, Japan – 7 January 2011.

44. Static model and its application in Sundarban Mangrove ecosystem, 26 January, 2011.

45. Theoretical model and its application in ecology – Department of Zoology, Delhi University, 3 March, 2011.

46.  System ecology and integrated ecosystem theories with some examples - Department of Zoology, Delhi University, 4 March, 2011.

47. Strategies for improving journal quality – China population resources and environment, Qingdao, China, 16 June, 2011.

48. Comparative study of virgin and reclaimed islands of Sundarban mangrove ecosystem through network analysis, Institute of Oceanography, Chinese Academy of Sciences, Qingdao, 20 June, 2011.

49. Theoretical model in Ecology; Static model and its application in ecology; Dynamic and structural dynamic models and their application in ecology, Academic staff college, Ranchi University, Ranchi, 16 – 17 August, 2011.

50. Comparative study of mangrove litter nitrogen cycling to the adjacent estuary through modelling in pristine and reclaimed islands of Sundarban mangrove ecosystem, India, ISEM conference, Beijing 21 September, 2011.

51. Exergy and its extension to ecological system, Kulti college, Kulti, Burdwarn, November 27, 2011.

52. Study of Sundarban mangrove ecosystem through static and dynamic modeling. Colombo, Sri Lanka, January 17, 2012.

53. Thermodynamics in ecology, Dum Dum Motijheel College, Dum Dum, Kolkata, 4 February, 2012.

54. Exergy in ecological science, The Graduate School, College for Women, Jamshedpur, March 27, 2012.

55. Modelling carbon cycle in Arctic and arctic expedition – Orientation course, North Bengal University, 8 August, 2012.

56.  Chaos and self-organization in aquatic ecosystem – Raiganj Surendranath Mahavidyalya, Raiganj, Uttar Dinajpur, 26 August, 2012.

57. Modelling of carbon cycling from mangrove litter to the adjacent Hooghly estuary, India, in the ecological modelling section at room no. C210 of Columbus convention center and the session was chaired by T. Jakeman, 2 October, 2012.

58. Different states of an aquatic ecosystem - A theoretical model, 4th refresher course at Academic Staff College, Burdwan University, 7 November, 2012.

59. Static, dynamic and structural dynamic simulation models with case studies, 4th refresher course at Academic Staff College, Burdwan University, 7 November, 2012.

60. Estimation of sustainability of an industrialized area using carbon cycle model, International workshop on Low Carbon Cities, held at Beijing Normal University, Beijing, China, 19 March, 2013.

61. Effect of climate change on Sundarban mangrove ecosystem, Centre for Policy Dialogue, Dhaka, Bangladesh 9 July 2013.

62. Effect of Salinity and Temperature on Plankton dynamics of Sundarban mangrove ecosystem, 30 October, 2013, Tolouse, France.

63.  Integrated ecosystem theories in the context of ecosystem of health. 28 December, 2013, College of Engineering and Management, Kolaghat, India.

64. Static model in ecology. 30 May, 2014, Dumkal Institute of Engineering and Technology, Basantapur, Murshidabad, India.

65. Order to chaos and vice versa in ecological system. 31 May, 2014, Govt. College of Engineering and Textile Technology, Berhampore, Murshidabad, India.

66. Comparative study of robustness in pristine and reclaimed islands of Sundarban mangrove ecosystem, India- October 29, 2014, Marrakech, MOROCCO.

67. Art of simulation modelling in ecology: application to study nitrogen and carbon cycles in Sundarban mangrove ecosystem – 21 November, 2014, Indian Statistical Institute, Kolkata.

68. Art of simulation modelling in ecology: application to study nitrogen and carbon cycles in Sundarban mangrove ecosystem, Refresher Course in Life Science, November 28, 2014, North Bengal University, Siliguri.

69. Concept of robustness of ecological system through network analysis and its comparative study on Sundarban mangrove ecosystem, Refresher Course in Life Science, November 29, 2014, North Bengal University, Siliguri.

70. Art of simulation modelling in ecology: application to study nitrogen and carbon cycles in Sundarban mangrove ecosystem, Refresher Course in Life Science, January 23, 2015, University of Pune, Pune.

71. Concept of robustness in ecological system through network analysis and its comparative study on Sundarban mangrove ecosystem, Refresher Course in Life Science, January 23, 2015, University of Pune, Pune.

72.  Concept of robustness in ecological system through network analysis and its comparative study on Sundarban mangrove ecosystem, 20 February, 2015, Presidency University, Kolkata.

73. Concept of robustness in ecological system through network analysis and its comparative study on Sundarban mangrove ecosystem, 29 February, 2015, IIT, Kanpur.

74. Concept of robustness in ecological system through network analysis and its comparative study on Sundarban mangrove ecosystem, 21 March, 2015, IISER(K).

75. Ecosytem health and integrated ecosystem theories – 23 March, 2015, Assam University, Silchar.

76. Ecosystem services of mangrove ecosystem and sustainable development – BRICS President Forum, 16 October to 20 October 2015, Beijing Normal University, Beijing, China. 

77.  Extremal principles or ecological orientors or goal functions and their applications in ecology, 1 November to 6 November, 2015, IIT, Roorkee, India.

78. Concept of robustness in ecological system – comparative study through network analysis on Sundarban mangrove ecosystem, from 16 November to 18 November, 2015, Indian Statistical Institute, Kolkata, India.

79. Dynamic simulation modelling of dissolved oxygen in the creeks of Sagar island, Hooghly–Matla estuarine system, West Bengal, India, from 19 November to 20 November, 2015, National Conference on Mathematical and theoretical biology, Department of Mathematics, Jadavpur University, Kolkata.

80. Concept of robustness in ecological system – comparative study through network    analysis on Sundarban mangrove ecosystem, 16 December, 2015, Refresher Course, Department of Botany, Calcutta University, Kolkata.

81. Theoretical dynamic model in ecology and integrated ecosystem theory exergy  – 21 January 2016, 24th Refresher Course in Environmental Sciences, Burdwan University

82. Concept of robustness of ecological system through network analysis and its comparative study on Sundarban mangrove ecosystem– 21 January 2016, 24th Refresher Course in Environmental Sciences, Burdwan University.

83. Concept of robustness of ecological system through network analysis – 13 July, 2016, Contai.

84. Nitrogen cycle and extended NPZ model in Sundarban Mangrove ecosystem and adjacent Hooghly estuary – a simulation modelling approach – 10 September, 2016, Department of Mathematics, Institute of Chemical Technology, Mumbai.

85. Techniques of Dynamic Simulation – 24 October to 27 October, 2016, IBM—2016, Berhampur.

86. Theoretical Dynamic Model in Ecology and Integrated Ecosystem Theories Emergy and Exergy – Refresher Course, 11 January, 2017, University of Burdwan.

87. Concept of robustness of ecological system through network analysis and its comparative study on Sundarban mangrove ecosystem – Refresher Course, 11 January, 2017, University of Burdwan.

88. Different States of Ecosystem and the Concept of Ecosystem of Health – 17 February, 2017, Gurudas College, Kolkata.

89. Techniques of Dynamic Simulation – 24 October to 27 October, 2016, 4th IBM—2016, Berhampur.

90. Mass balanced model in ecology and its application in Sundarban mangrove ecosystem- 16 March to 17 March, 2017, NCMTB-2017, Department of Mathematics, Jadavpur University.

91. System ecology the future perspective- Workshop, 30th March to 31th March 2017 , North Eastern Hill University, Tura Campus, Meghalaya, India.

92. Some merits and demerits of Ecological Network Analysis. International Society for Ecological Modelling Global Conference, 20 September 2017, Jeju, South Korea.

93. Journey of static modelling from input output analysis to NTWRK, WAND, ECOPATH and EnaR – 3rd International Conference on Mother Earth (ICME III) 11 January to 13 January 2018.

94. The Journey of static modelling in systems ecology from input-output analysis to enaR. International Conference celebrating 100 years of Zoology, University of Calcutta 1-3 February, 2018, Ramakrishna Mission Institute of Culture, Golpark, Kolkata.

95. The Journey of static modelling in systems ecology from input-output analysis to enaR. 5th India Biodiversity Meet 2018, Indian Statistical Institute, Kolkata.

96. The Journey of static modelling in systems ecology from input-output analysis to enaR. Cross-disciplinary applications of Complex Networks at the university of Shiv Nadar, Gautam Buddha Nagar, UP, 22-24 March 2018.

97. Art of simulation modelling: Dynamic and Static modelling and their applications in Sundarban Mangrove ecosystem, National Conference on Mathematical Biology (NCMB 2018) at National Institute of Technology Patna, Bihar, 7-8 July 2018. 

98. Art of simulation modelling -Static model in ecology and its application, International Workshop on Land-Ocean-Atmosphere Interaction, Greenhouse Gases and Coastal Processes” at the Centre for Climate and Environmental Studies, Indian Institute of Science Education and Research Kolkata (IISER Kolkata), West Bengal, 28 July 2018.

99. Art of simulation modelling: Dynamic modelling and their applications in Sundarban Mangrove ecosystem, International Workshop on Land-Ocean-Atmosphere Interaction, Greenhouse Gases and Coastal Processes” at the Centre for Climate and Environmental Studies, Indian Institute of Science Education and Research Kolkata (IISER Kolkata), West Bengal, 28 July 2018.

100. Offered Course lectures on Biostatistics and quantitative ecology at University of North Bengal, 18-25 September 2018.

101.  Art of simulation modelling in ecology: application to study nitrogen and carbon cycles in Sundarban mangrove ecosystem IISER, Kolkata, 27 February 2019.

102. Systems ecology – The journey from input-output analysis to enaR, IISER, Kolkata, 28 February 2019.

103. Different modeling approaches to assess and manage aquatic ecosystems, International Symposium for 27th Anniversary of World Water Day, organized by National Institute of Environmental Research, Daegu, Republic of Korea (South Korea) 2019.

104. System Ecology: The Future Perspective, DSTBT-Govt of WB sponsored National Seminar (under Science Popularization Programme) on Contemporary Era of Sciences: Biological and Chemical Interface, Durgapur Government College, Durgapur, 26 March to 27 March 2019.

105. System Ecology: The Future Perspective, Department of Environmental Science, Burdwan University, on the occasion of World Environment Day, held on 11 June, 2019.

106. Assessment and visualization of zooplankton community distribution patterns with identification of predominant environmental indicator using self-organizing maps., The International Society for Ecological Modelling Global Conference 2019, held in Salzburg Congress Centre, Austria from 4 October 2019.

107. Biodiversity, Stability and Ecosystem Functioning, 7th India Biodiversity Meet, 2019, International Conference held in Indian Statistical Institute, Kolkata, 21 November 2019.

108. Integrative Biology from the Perspective of Systems Ecology, IBTP 2019, Conference on Integrative Biology and Thyroid Physiology, held in Centre for Evolutionary and Integrative Biology, University of Kerala, 27 November 2019.

109. Systems Ecology and its future perspective, International Webinar on the Eve of World Nature Conservation Day, Guskara Mahavidyalaya,  28 July 2020.

110. Systems Ecology: On the Perspective of Dynamic Modelling - Refresher Course on Research Methodology through google meet, North Bengal University, 28 November 2020.

111. Systems Ecology: On the Perspective of Static Modelling - Refresher Course on Research Methodology through google meet, North Bengal University, 28 November 2020.

112. The future perspective of system ecology - Refresher Course in Natural and Biosciences, Burdwan University, 1 December 2020.

113. Different perspective of systems ecology with case studies - Progress and prospects in Biology International webinar, 20 December 2020.

114. Ecological footprint and ecosystem services - Refresher course in Environmental Sciences, Burdwan University, 11 February, 2021.

115. Prospect and future strategies of the journal Ecological Modelling  - editorial board meeting through webinar 20 March, 2021.

116. Sustainable ecosystem: A case study with  ecological modelling – Celebration of World Environment Day, Department of Environmental Science, Burdwan University, 6 June, 2021.

117. The journey of static modelling in systems ecology from input-output analysis to enaR - 11th International Conference of Ecological Informatics (ICEI 2020+1), Kerala University of Digital Sciences, Innovation and Technology (KUDSIT), 11 November 2021.

118. Different aspects of ecological modelling - Six day e-Workshop on Statistical and Geospatial techniques in Biology, PG Department of Conservation and Internal Quality Assurance Cell (IQAC), Durgapur Government College, 17 January 2022.

119. Systems ecology - perspective of dynamic modelling - 7th Faculty Induction Program (FIP-07), UGC, HRDC, North Bengal University - 10 January 2012.

120. Systems ecology - perspective of static modelling - 7th Faculty Induction Program (FIP-07), UGC, HRDC, North Bengal University - 10 January 2012.

121. The journey of static modelling in systems ecology from input-output analysis to enaR - “Lecture Series in Ecological Data Science: Concepts, Mathematical Modelling, and Inference” organized by K.C. College, under STAR College Scheme and status by DBT - 9 February 2022.

122. Biswa abhaowa paribartan: bartaman prekhyapat ebong meru anchale gabesona (Global climate change: Present scenario and research in polar regions) - 30th National Children's Science Congress (NCSC) "Understanding Ecosystem for Health and Well-being" - University of Burdwan, 28 September 2022.

123. Global climate change: The paradigm shift of phytoplankton community and experiences in the Arctic - Kerala University of Digital Sciences, Innovation and Technology, Thiruvananthapuram, 17 November, 2022 .

124. Different aspects of ecological modelling in systems ecology - National Online Workshop (NOW), organized by Zoological Society of India, 3 December, 2022.

125.  Ecosystem health and integrated ecosystem theories - Zoospectra 2022, the international conference organized by the department of zoology, university of Calcutta, 6 December 2022.

126. Ecosystem health and integrated ecosystem theories - Management strategies for environmental health and safety: a step towards achieving SDGs, Amity University 17 January, 2023.

127. Systems Ecology: The future perspective - Department of Zoology, Visva Bharati University on the occasion of Science Day, 28 February 2023.

128. Sundarban Mangrove ecosystem: Different Modelling Approaches with some case studies, Mangroves of the East Coast of India, Indian Institute of Science Education and Research, Kolkata 31 August - 1 September, 2023.

129. Ecosystem health and its assessment, Faculty development program on Bridging Climate Change and Environmental Security: Pathways to Resilience, Integral University, Lucknow and Environmental and Consumer Protection Foundation, New Delhi, 22 September, 2023.

130. Different aspects of systems ecology and their applications, One day national seminar on Trends in Biology: Past and Present, Sikkim University, 1 December 2023.

131. Importance of modelling to study the effects of acidification in oceans, in a high level discussion meeting "Ocean Acidification-Science Bridging Policy", organised by Indian Institute os Science Education and Research, Kolkata (IISER K) in Fairfield Marriot, Newtown, Kolkata, 2 February, 2024

132. The future perspective of Systems Ecology – on the eve of Worlds Environment Day, keynote speech delivered in Seacom Skill University, Ballavpur, West Bengal, 5 June, 2024

133. Delivered keynote speech “Modelling Study of Nitrogen and Carbon Biogeochemical Cycles of Hooghly-Matla Estuarine Ecosystem and its Role in Coastal Management”. ON COASTAL ECOLOGICAL MODELLING 29 October 2024, 13:00 - 17:00 (GMT+01:00), organised by DANUBIUS, European Union Coastal organization.

134. Importance of Ecological Modelling on Indian Estuaries, 29 May 2025, INCOIS, Hyderabad, organized by MoES, Govt. of India.

135. “Climate Change Research” and my experience in Arctic, 28 February, 2026, Bijoy Narayan College, Itachuna, West Bengal.