Book & Journal Papers Published

2024

1. Thacker, M., & Karthick, B. (2024). A catalogue of Quaternary diatoms from the Asian tropics with their environmental indication potential for paleolimnological applications. The Role of Tropics in Climate Change, 295-375. https://doi.org/10.1016/B978-0-323-99519-1.00011-9

2023

2. Mital Thacker, Kumaran K.P.N, Paul Hamilton & B. Karthick* (2023) Appraisal of Asian monsoon variability in the Indian subcontinent and East Asia through the Quaternary using diatom records. Earth Science Reviews. https://doi.org/10.1016/j.earscirev.2023.104622

3. Neha Wadmare, Bart Van de Vijver, & B. Karthick (2023) What is the real Stauroneis acuta W.Smith? A critical analysis of the type material and taxonomic revision of the Indian Stauroneis acuta complex (Bacillariophyta) with the separation of two new species. Nova Hedwigia. https://doi.org/10.1127/nova_hedwigia/2023/0844

4. Cheran Radhakrishnan, Pratyasha Nayak, David M Williams, & B. Karthick (2023) Genkalia aravindia sp. nov.: a new diatom (Bacillariophyta) associated with wet wall habitats from Eastern Himalayas. Nova Hedwigia. https://doi.org/10.1127/nova_hedwigia/2023/0867

5. Balasubramanian Karthick*, Murugesan Yogeshwaran & J. Patrick Kociolek (2023) A new freshwater gomphonemoid diatom genus from India, with the description of a new species from the Eastern Ghats, Phycologia, https://doi.org/10.1080/00318884.2023.2268381

6. Samadhan Pardhi, Thiruvalan Kokila, Mital Thacker, B. Alakananda, & B. Karthick* (2023) Diatoms (Bacillariophyta) of the world’s highest aquatic environments from the Western Himalayas, India. Oceanological and Hydrobiological Studies. 52 (2), 172-205. https://doi.org/10.26881/oahs-2023.2.04

7. Thacker, Mital; Limaye, Ruta B.; D, Padmalal; Rajaguru, S.N.; Kumaran, K.P.N.; Punekar, S.A; B. Karthick* (2023) "Holocene climate dynamics and ecological responses in Kaas Plateau, Western Ghats, India: Evidence from lacustrine deposits. Quaternary Science Advances, Volume 11, July 2023, 100087. https://doi.org/10.1016/j.qsa.2023.100087

8. Yogeshwaran M, Kociolek JP, & B. Karthick* (2023) Gomphonema rajaguruii sp. nov., a new diatom (Bacillariophyceae) species from the Western Ghats, India. Phytotaxa. 595 (2): 199–208. https://doi.org/10.11646/phytotaxa.595.2.6

9. Radhakrishnan C, Das SK, Wetzel C, & B. Karthick (2023) Adlafia kociolekii sp. nov. (Bacillariophyceae): a new naviculoid diatom from the Eastern Himalayas, India. Phytotaxa. 595 (1): 062–072. https://doi.org/10.11646/phytotaxa.595.1.4

10. Mital Thacker & B. Karthick (2023) Diatoms: hidden ecological sensors inside the Myristica swamps. https://vigyanprasar.gov.in/wp-content/uploads/dream-march-2023-eng.pdf [POPULAR SCIENCE ARTICLE]

2022

11. Radhakrishnan C, Yogeshwaran M, & B. Karthick* (2022) Hanging in the air: Tree moss diatoms from Indo-Burma biodiversity hotspot of India. Aerobiologia. https://doi.org/10.1007/s10453-022-09766-3

12. A Kulkarni, B Shigwan, S Vijayan, A Watve, B Karthick & MN Datar (2022) Indian rock outcrops: review of flowering plant diversity, adaptations, floristic composition and endemism. Tropical Ecology https://doi.org/10.1007/s42965-022-00283-5 

13. Yogeshwaran M, Radhakrishnan C, Dwivedi A, Kociolek JP, & B. Karthick* (2022) Humidophila manipurensis sp. nov and Humidophila bigibba (Hustedt) Lowe, Kociolek, Johansen, Van de Vijver, Lange-Bertalot & Kopalová from Northeast India. Fottea, Olomouc, 22(2): 162–170.  DOI: 10.5507/fot.2022.001

14. Vigneshwaran A, N Wadmare & B. Karthick* (2022) A new species of Hippodonta Lange-Bertalot, Metzeltin & Witkowski (Bacillariophyceae, Naviculales) from the Western Ghats, India. Phytotaxa. 558 (2): 219–228. https://doi.org/10.11646/phytotaxa.558.2.5

15. N Wadmare & B. Karthick*  (2022) Revisiting two Stauroneis Ehrenberg (Bacillariophyta) from H. P. Gandhi’s Diatom collection: Notes on Ultrastructure, Types and Nomenclature. Phytotaxa. 555(1):42–52. https://doi.org/10.11646/phytotaxa.555.1.3

16. Sherly S, Radhakrishnan C, & B. Karthick* (2022). Platessa arborea sp. nov. (Bacillariophyceae): A new tree moss dwelling diatom from the Eastern Himalayas, India: Phytotaxa. 552 (2): 151–158. https://doi.org/10.11646/phytotaxa.552.2.2

17. Mital Thacker & B. Karthick*. (2022). Response of Diatoms to the Changing Water Quality in the Myristica Swamps of the Western Ghats, India. Diversity 2022, 14(3), 202; https://doi.org/10.3390/d14030202

18. N Wadmare, A Baghela, JP Kociolek & B Karthick* (2022) Description and Phylogenetic Position of Three New Species of Stauroneis Ehrenberg (Bacillariophyceae: Stauroneidaceae) from the Indian Subcontinent.  European Journal of Phycology.  57 (1) 48-67 DOI:https://doi.org/10.1080/09670262.2021.1888390

19. A Kulkarni, S Roy, M Yogeshwaran, B Shigwan, S Vijayan, P Kshirsagar, MN Datar & B Karthick* (2022) Vanishing waters: water chemistry of temporary rock pools of the Western Ghats, India. Water Practice and Technology.  17 (1): 234–245. DOI: https://doi.org/10.2166/wpt.2021.107 (Published online on November 2021).

2021

20. Williams DM and Karthick, B (2021). The correct use of the names Synedra Ehrenberg and Catacombas Williams & Round, a note on the name ‘Hystrix Bory 1822’, and some suggestions on how to tackle the taxonomic relationships of Synedra. Diatom Research. 36 107-118. DOI: https://doi.org/10.1080/0269249X.2021.1880974. (Published online on June 2021)

21. N Wadmare, JP Kociolek & B Karthick* (2021) Three new species of the genus Stauroneis Ehrenberg (Bacillariophyceae: Stauroneidaceae) from the Northern Western Ghats, India. Fottea, Olomouc, 21(2): 220–234. DOI: 10.5507/fot.2021.007

22. E Gusev*, B Karthick*, N Marynenkim B Shkurina & M Kulikovskiy (2021) Cryptomonas indica sp. nov. (Cryptophyceae: Cryptomonadales), a new species described from the Western Ghats, India. Phytotaxa 518 (4): 261-270 DOI: https://doi.org/10.11646/phytotaxa.518.4.3

23. Yogeshwaran M & Karthick B. 2021. Algae – Unsung Heroes of the Ecosystem. CSIR-Science Reporter. Vol.58 (05). 47-49. http://nopr.niscair.res.in/handle/123456789/57173 [POPULAR SCIENCE ARTICLE]

24. Shigeki Mayama, Matt Julius, Karthick Balasubramanian (2021). International river environment education that combines simulations with specimens from different times and regions. Impact. 3. 35-37. https://doi.org/10.21820/23987073.2021.3.35

25. Vigneshwaran A, Yan Liu, JP Kociolek and B Karthick*. (2021) A new species of Epithemia Kützing (Bacillariophyceae, Rhopalodiales) from the Mula river, Western Ghats, India, with comments on the phylogenetic position of the genera Rhopalodia with Epithemia. Phytotaxa 489 (2): 171–181 DOI: https://doi.org/10.11646/phytotaxa.489.2.5 

26. Y Maltsev, E Kezlyaa, S Maltseva, B Karthick, P Dvořák, JP Kociolek and M Kulikovskiy (2021) A new species of the previously monotypic genus Iningainema (Cyanobacteria, Scytonemataceae) from the Western Ghats, India. European Journal of Phycology.  56(3) 348-358. https://doi.org/10.1080/09670262.2020.1834147

27. B Phartiyal, R Singh, D Nag, A Sharma, R Agnihotri, V Prasad, T Yao, P Yao, B Karthick, P Joshi, S. Gahlauda, B Thakur (2021) Reconstructing climate variability during the last four millennia from trans-Himalaya (Ladakh-Karakoram, India) using multiple proxies. Palaeogeography, Palaeoclimatology, Palaeoecology. 562 XXX-XXX. DOI: https://doi.org/10.1016/j.palaeo.2020.110142.

28. Lokhande V, Radhakrishnan C, Kociolek J P , Lowe R & B Karthick* (2020). The diatom genus Luticola D.G. Mann (Bacillariophyceae) in the Western Ghats of India and its biogeography. European Journal of Phycology.   56 (2): 142–158. DOI: 10.1080/09670262.2020.1783460 

2020

29. Pardhi S, Vigneshwaran A, Gluchshenko, A, Kulikovskiy M, Kociolek JP and B Karthick* (2020). Morphological investigation and description of two new Gomphonema Ehrenberg (Bacillariophyta) species from India and Vietnam with biogeographical comments. Phytotaxa 468 (2): 175–189. DOI: https://doi.org/10.11646/phytotaxa.468.2.2

30. Radhakrishnan C, Das SK, Kociolek JP, & B. Karthick* (2020). A new freshwater Gomphonema Ehrenberg (Bacillariophyta) species from Eastern Himalayas, India. Fottea 20 (2): 128-136. DOI: 10.5507/fot.2020.003 (https://fottea.czechphycology.cz/corproof.php?tartkey=fot-000000-0311 )

31. NA Aravind and B. Karthick (2020) COVID-19, Personal Protective Equipment and Environmental Health. Journal of Dental & Orofacial Research 16(02) 94-102.

32. Vigneshwaran A, Wetzel C, Williams DM and Karthick, B* (2020). A re-description of Fragilaria fonticola Hustedt and its varieties, with three new combinations and one new species from India. Phytotaxa 453(3): 179-198. DOI: https://doi.org/10.11646/phytotaxa.453.3.2

33. SK Das, C Radhakrishnan, Kulikovskiy M, Gluchshenko, A, J P Kociolek, & B. Karthick* (2020). Pinnularia sikkimensis sp. nov. (Bacillariophyceae), from Eastern Himalayas and its distribution in Southeast Asia. Phytotaxa 447 (3): 163–175. DOI: https://doi.org/10.11646/phytotaxa.447.3.2

34. Radhakrishnan, C, Kulikovskiy M*, Gluchshenko, A, Kuznetsova, I & B. Karthick* (2020). A first finding and morphology of the neglected diatom genus Pseudostaurosiropsis from anthropogenically impacted urban lake in India. Inland Water Biology 13(2) 140-147. DOI: : 10.1134/S1995082920020273 

35. Chintan Bhatt & B. Karthick* (2020) A new aerophilic species of the genus Diploneis (Bacillariophyta) from the Mawsmai cave of Meghalaya, Northeast India. Phytotaxa 443 (1): 067–078. DOI: http://dx.doi.org/10.11646/phytotaxa.443.1.6

36. Michael Guiry, A Vigneshwaran, Karthick, B. (2020). Validation and replacement of some diatom names published by H.P. Gandhi. Notulae algarum. No 133 1-9. PDF

37. Surajit Roy, Radhakrishnan C, Taylor, JC, Kulikovskiy, M & B. Karthick* (2020). Encyonema keshrii sp. nov.: a new diatom species (Cymbellales, Bacillariophyceae) from the Indian subcontinent”. Cryptogamie Algologie 41(2) 7-17. DOI: https://doi.org/10.5252/cryptogamie-algologie2020v41a2

38. Radhakrishnan C, Pardhi S, Kulikovskiy M, Kociolek JP and B Karthick, (2020). Navicula watveae sp. nov. (Bacillariophyceae) a new diatom species from the Western Ghats, India. Phytotaxa 433 (1): 20–26. DOI: http://dx.doi.org/10.11646/phytotaxa.433.1.3 

2019

39. Mital Thacker, Surajit Roy, Patrick J Kociolek, Rex Lowe & B. Karthick*. (2019). A new species of Germainiella (Bacillariophyta) from the Myristica swamps of the Western Ghats, India. Diatom Research. 34 (3) 181-191. DOI: https://doi.org/10.1080/0269249X.2019.1671236

40. Kociolek JP, Williams DM, Stepanek J, Liu Q, Liu Y, You Q, Karthick B and Kulikovskiy M. (2019). Rampant homoplasy and adaptive radiation in pennate diatoms. Plant Ecology and Evolution, 152 (2): 131–141. DOI: https://doi.org/10.5091/plecevo.2019.1612

41. Surajit Roy, Yan Lie, Patrick J Kociolek, Rex Lowe & B. Karthick*. (2019). A new diatom genus Kulikovskiyia gen. nov. (Bacillariophyta) from the lateritic rock pools of the Western Ghats, India and from Hainan Province, China. Phycological Research. 68 (1) 80-89. DOI: https://doi.org/10.1111/pre.12400

42. Wadmare, N., Roy, S., Kociolek, J. P., & Karthick, B*. (2019). Two new aerophilic species of Stauroneis Ehrenberg (Bacillariophyta) from the Eastern Himalayas. Botany Letters 166 (2): 234-245 DOI: https://doi.org/10.1080/23818107.2019.1602786

43. Zsuzsa Trábert, Krisztina Buczkó, Gábor Borics, Marija Gligora Udovič, B. Karthick, Luc Ector, Angéla Földi, Keve T. Kiss and Éva Ács. (2019). Biogeography and morphology of a poorly known diatom Dorofeyukea rostellata (Hustedt) Kulikovskiy & Kociolek. Limnetica 38(2): 743-758 DOI: 10.23818/limn.38.43

44. Roy, S., Kociolek, J.P., Lowe, R.L. and Karthick, B*., (2019). Ninastrelnikovia lateritica sp. nov., a new and rare freshwater diatom species from the rocky pools of the Western Ghats, India with a note on the genus Ninastrelnikovia Lange-Bertalot & A. Fuhrmann (Bacillariophyta). Phytotaxa, 394(1), pp.59-70. DOI: http://dx.doi.org/10.11646/phytotaxa.394.1.3

45. Vigneshwaran, A., Kulikovskiy, M.S., Glushchenko, A., Kociolek, J.P. and Karthick, B*., (2019). A new species of Cymbella (Bacillariophyceae, Cymbellaceae) from the Pavana River, Western Ghats, India. Phytotaxa, 395(3), pp.209-218. DOI: http://dx.doi.org/10.11646/phytotaxa.395.3.5

2018

46. Radhakrishnan, C., Kulikovskiy, M., Glushchenko, A., Kuznetsova, I., Kociolek, P. and Karthick, B*., (2018). Oricymba sagarensis (Gandhi) comb. nov., an endemic diatom from the Western Ghats, India. Phytotaxa, 382 (3), 267-274. DOI: http://dx.doi.org/10.11646/phytotaxa.382.3.3

47. D.A. Chudaev, A.M. Glushchenko, E.Yu. Blagoveshchenskaya, B. Karthick, M.S. Kulikovskiy. (2018). Morphology and taxonomy of Navicula escambia and N. simulata (Bacillariophyceae). Beihefte zur Nova Hedwigia. 147: 43-57. DOI: 10.1127/nova-suppl/2018/006

48. Shigeki Mayama, Kengo Satomi, & B. Karthick (2018). Environmental issues seen in Indian school textbooks. Japanese Journal of Biological Education 59 (3) 191-196. PDF

49. SK Das, C Radhakrishnan, J P Kociolek, & B. Karthick* (2018). Three new species of Gomphonema Ehrenberg (Bacillariophyta), from Eastern Himalayas, with a note on a unique girdle band structure. Beihefte zur Nova Hedwigia. 147: 359-371. DOI: 10.1127/nova-suppl/2018/025

2017

50. Karthick, B*., Taylor, J.C, and Hamilton P B. (2017). Two New Species of Achnanthidium Kützing (Bacillariophyceae) from Kolli Hills, Eastern Ghats, India. Fottea 17(1):65-77. DOI: 10.5507/fot.2016.020

51. Kale, A., Levkov, Z & Karthick, B*. (2017). Typification of two species of Luticola (Bacillariophyta) from aerophilic habitats of the Western Ghats, India. Phytotaxa 298 (1): 29–42 DOI: http://dx.doi.org/10.11646/phytotaxa.298.1.3

2016

52. Karthick, B., Kociolek, P. J., Taylor, J. C., & Cocquyt, C. (2016). Gomphonema grande sp. nov., a new diatom (Bacillariophyta) from the Democratic Republic of the Congo, Tropical Africa. Phytotaxa, 245(3), 187-196. DOI: http://dx.doi.org/10.11646/phytotaxa.245.3.1

2015  (Associated with Agharkar Research Institute, Pune, India)

53.  Kale, A., & Karthick, B*. (2015). The Diatoms - Big Significance of Tiny Glass Houses. Resonance, 20(10), 919-930. https://doi.org/10.1007/s12045-015-0256-6

54. Karthick, B*., Nautiyal, R., Kociolek, P. J., & Ramachandra, T. V. (2015). Two new species of Gomphonema (Bacillariophyceae) from Doon Valley, Uttarakhand, India. Nova Hedwigia, (144), 165-174. DOI: 10.1127/nova_suppl/2015/0037

55.  EW Thomas, JP Kociolek, B Karthick (2015) Four new Rhoicosphenia species from fossil deposits in India and North America. Diatom Research 30 (1), 35-54. DOI: https://doi.org/10.1080/0269249X.2014.961554

56. B Alakananda, B Karthick, JC Taylor, PB Hamilton (2015) Two new species of Nitzschia (Bacillariophyceae) from freshwater environs of Lonar Crater Lake, India. Phycological Research 63 (1), 29–36. DOI: https://doi.org/10.1111/pre.12060

57. Ramachandra, T. V., Chandran, M. S., Joshi, N. V., Karthick, B., & Mukri, V. D. (2015). Ecohydrology of Lotic Systems in Uttara Kannada, Central Western Ghats, India. In Environmental Management of River Basin Ecosystems (pp. 621-665). Springer International Publishing. ISBN: 978-3-319-13424-6.

2014   (Associated with University of Northwest, Potchefstroom, South Africa)

58. Taylor, J.C, Karthick, B., Kociolek, J.P., Wetzel, C.E and Cocquyt, C. (2014) Actinellopsis murphyi gen. et spec. nov.: A new small celled freshwater diatom (Bacillariophyta, Eunotiales) from Zambia. Phytotaxa 178 (2): 128–137. DOI: http://dx.doi.org/10.11646/phytotaxa.178.2.4

59. Taylor, J.C, Karthick, B., Cocquyt, C. and Poulin L. (2014) Diploneis fenestrata (Bacillariophyta) spec. nov., a new aerophilic diatom species from Zambia, Central Africa. Phytotaxa. 167 (1): 079–088. DOI: http://dx.doi.org/10.11646/phytotaxa.167.1.4

60. Taylor, J.C, Cocquyt, B. Karthick, and van de Vijiver, B. (2014) Analysis of the type of Achnanthes exigua Grunow (Bacillariophyta) with the description of a new Antarctic species. Fottea. 14(1): 43–51. DOI: 10.5507/fot.2014.003

2013

61. Karthick, B., Hamilton P B and Kociolek, J.P. 2013. Illustrated Guide on Common Freshwater Diatoms of Western Ghats. Gubbi Labs Press. ISBN: 978-81-924461-1-0.       [Review of this book available here]

2012  (Associated with University of Colorado at Boulder, USA)

62. Karthick, B. and Kociolek, J.P. (2012) A reconsideration of the Gomphonema Ehrenberg (Bacillariophyceae) species from Kolhapur, India: Taxonomy, typification and biogeography of the species reported by H.P. Gandhi. Phycological Research.  60: 179–198. DOI: https://doi.org/10.1111/j.1440-1835.2012.00649.x

63. Alakananda B., Mahesh, M.K., Hamilton, P.B., Supriya, G., Karthick, B. and Ramachandra, T.V. (2012) Two new species of Nitzschia (Bacillariophyta) from shallow wetlands of Peninsular India. Phytotaxa. 54: 13–25.

64. Karthick, B., P. B. Hamilton and Kociolek,J. P. (2012) Taxonomy and biogeography of some Surirella Turpin (Bacillariophyceae) taxa from Peninsular India. Beihefte zur Nova Hedwigia. J Cramer, Stuttgart, pp. 81-116.

65. Karthick, B. and Kociolek, J. P. (2012) A new species of Pleurosigma from Western Ghats, South India. Beihefte zur Nova Hedwigia. J Cramer, Stuttgart, pp.117-124.

66. Karthick, B. and Williams, D.M. (2012) The International Code for Nomenclature for algae, fungi and plants – a significant rewrite of the International Code of Botanical Nomenclature. Current Science. 102 (4) 551-552.

67. Boominathan, M., Karthick, B., Sameer Ali, and Ramachandra T.V. (2012) Spatial Assessment of Groundwater Quality in Kerala, India. The IUP Journal of Soil and Water Sciences, Vol. V (1), 52-71.

2011 (Associated with Centre for Ecological Sciences, IISc, Bangalore, India)

68. Karthick. B., Kociolek, J.P., Mahesh, M.K. and Ramachandra, T.V. (2011) The Diatom Genus Gomphonema Ehrenberg in India: Checklist and Description of Three New Species. Nova Hedwigia Vol. 93(1–2), 211–236.

69. Karthick, B. and Kociolek, J.P. (2011) Four new centric diatoms (Bacillariophyceae) from the Western Ghats, South India. Phytotaxa, Vol. 22: 25-40. 

70. Alakananda, B., Karthick, B., Mahesh, M.K. and Ramachandra, T.V. (2011) Diatom-Based Pollution Monitoring in Urban Wetlands. The IUP Journal of Soil and Water Sciences, Vol. IV (2), 1-17.

71. Karthick, B., Mahesh, M.K. and Ramachandra, T.V. (2011) Nestedness Pattern in Stream Diatom Assemblages of Central Western Ghats. Current Science. Vol. 100 (4), 552-558.

2010

72. Karthick, B., Boominathan, M., Sameer Ali, and Ramachandra T.V. (2010) Evaluation of the Quality of Drinking Water in Kerala State, India. Asian Journal of Water, Environment and Pollution. Vol. 7 (4), 39-48. 972-986.

73. Karthick, B., Taylor, J.C., Mahesh, M.K. and Ramachandra, T.V. (2010) Protocols for Collection, Preservation and Enumeration of Diatoms from Aquatic Habitats for Water Quality Monitoring in India. The IUP Journal of Soil and Water Sciences, Vol. III (1), 1-36.

2009

74. Ramachandra, T.V, Mahapatra, D.M., Karthick, B. and Gordon, R. (2009) Milking diatoms for sustainable energy: biochemical engineering vs gasoline secreting diatom solar panels. Industrial & Engineering Chemistry Research. Vol. 48(19). 8769–8788. Highlight: Research News appeared on Scientific American, Indian- Scientific American, Current Science and major news dailies of India (Indian Express, Deccan Herald, Times of India, DNA and The Telegraph) and Canada (The Star, The Science Daily and Innovation Toronto).

75. Karthick, B., Toyoda, K., Ramachandra T.V. and Williams, D.M. (2009) A note on the identity of Ceratoneis iyengarii Gonzalves & Gandhi. Diatom Research, Vol. 24(1), 233-236.

76. Karthick, B. (2009) Genome sequencing of cells that live inside glass cages reveals their past history. Current Science, Vol. 96(3), 334-337.

77. Ramachandra, T.V. and Karthick, B. (2009) Research prospects in Western Ghats stream ecology: Perspective from river Sharavathi. Pollution Research, 28(1), 19-20.

2008

78. Karthick, B. and Maheshwari, R. (2008) Lotus-Inspired Nanotechnology Applications. Resonance. Vol 13 (12) pp. 1141-1145.

79. Chanakya, H.N., Karthick, B. and Ramachandra, T.V. (2008) Nitrogen and carbon flows through Bellandur Lake – Role  of Bellandur Lake as a natural wetland treating Bangalore wastewater. In Environmental Education for Ecosystem Conservation (ed. Ramachandra, T.V.), Capital Publishing Company, pp. 25–32. ISBN: 81-85589-69-0.

2007

80. Karthick, B. and Ramachandra, T.V. (2007) Water quality and land use in Venkatpura River Basin, Karnataka. Asian Jr. of Microbiol. Biotech. Env. Sc. Vol. 9 (4), 981-985.

Book Reviews

1. Radhakrishnan C & B. Karthick (2022) Book Review on "Modern Environmental Analysis Techniques for Pollutants" by Chaudhery Mustansar Hussain and Rüstem Keçili. Current Science. 123(12) 1518-1519. PDF

2. S Roy, & B Karthick (2019) Book Review on "Diatoms from the Congo and Zambezi Basins–Methodologies and identification of the genera". African Journal of Aquatic Science. 44 (3) 301-302. DOI: https://doi.org/10.2989/16085914.2019.1628702

3. Aboli Kulkarni, & B Karthick (2018) Book Review on "Islands in flux: The Andaman and Nicobar Story". Current Science. 115(11) 2163-2164. PDF

Technical and Research Reports – Non-Peer Reviewed:

1. Karthick, B., Alakananda, B. and Ramachandra, T.V. 2009. Diatom Based Pollution Monitoring in Urban Wetlands of Coimbatore, Tamil Nadu. ENVIS Technical Report: 31. Environmental Information System, Centre for Ecological Sciences, Indian Institute of Science, Bangalore.

2. Amit S. Yadav, Gururaja, K.V., Karthick, B., Rao, G.R., Vishnu Mukri, Subash Chandran, M.D. and Ramachandra, T.V. 2008. Ecological Status of Kali River Flood Plain. ENVIS Technical Report: 29. Environmental Information System, Centre for Ecological Sciences, Indian Institute of Science, Bangalore.

3. Ramachandra, T.V., Sudhira, H.S., Karthick, B. and Avinash, K.G. 2007. Environmental Impact of Development Activities in the Bellandur Lake Catchment. ENVIS Technical Report: 27, Centre for Ecological Sciences, IISc, Bangalore.

4. Ramachandra, T.V., Rishiram, R. and Karthick, B. 2006. Zooplankton as Bioindicator: Hydrobiological Investigations in selected Bangalore Lakes. CES Technical Report: 115. Centre for Ecological Sciences, Indian Institute of Science, Bangalore.

5. Karthick, B. 2006. Freshwater Diatoms of Western Ghats: H P Gandhi, Selected Bibliography. ENVIS Technical Report: 24. Environmental Information System, Centre for Ecological Sciences, Indian Institute of Science, Bangalore.

6. Karthick, B. and Ramachandra, T.V. 2006. Water Quality Status of Sharavathi River Basin. ENVIS Technical Report: 23. Environmental Information System, Centre for Ecological Sciences, Indian Institute of Science, Bangalore.

Web Articles

1. Karthick, B. 2007. Freshwater Diatoms, Sahyadri E – News Western Ghats Biodiversity Information System. Issue XXVI. http://wgbis.ces.iisc.ernet.in/biodiversity/sahyadri_enews/newsletter/issue26/article1/art1_index.htm

2. Ramachandra, T.V., Gururaja, K.V., Harish Bhat, Sameer Ali, Subash Chandran M.D., Vishnu D. Mukri, Karthick, B. and Boominathan, M. 2008. Biodiversity Inventory in and around Tenka Yekkaru Grama Panchayat, Mangalore Taluk, Dakshina Kannada district, Karnataka. Sahyadri E – News Western Ghats Biodiversity Information System. Issue XXVII. http://wgbis.ces.iisc.ernet.in/biodiversity/sahyadri_enews/newsletter/issue27/index.htm

Tamil Articles

1. கார்த்திக் பாலசுப்ரமணியன். ஊரடங்கினால் குறைந்த காற்று மாசும், மாறாத காலநிலை மாற்றமும்: “புது இயல்பு” மனிதர்களுக்கு மட்டுமா?  அறிவியல் பலகை. 2(4) 6-8.  ஆகஸ்டு 2020 PDF

2. கார்த்திக் பாலசுப்ரமணியன். சூழலியல் - உயிரியல் புறக்கணிப்பு: மறைக்கிறோமா, மறைந்துபோகிறோமா? இந்துதமிழ் திசை.  25 ஜீலை 2020

3. கார்த்திக் பாலசுப்ரமணியன். கொரோனாப் பரிசோதனைக்குப் பின்னால் இருக்கும் அறிவியல்!  அறிவியல் பலகை. 2(3) 7-8. ஜூலை 2020 PDF

4. கார்த்திக் பாலசுப்ரமணியன். மனிதனின் உணவுப்பழக்கமா, விலங்குகளிடமிருந்து பறிக்கப்பட்ட உறைவிடமா... எதனால் வந்தது கொரோனா? விகடன் (vikatan.com). 11 மே 2020.

5. கார்த்திக் பாலசுப்ரமணியன். மனித அலட்சியத்துக்கு கரோனா விடுக்கும் எச்சரிக்கை சமிக்ஞை. இந்துதமிழ் திசை.  09 மே 2020

6. கார்த்திக் பாலசுப்ரமணியன். கரோனா பரிசோதனை: ஏன் இவ்வளவு தாமதம்? இந்துதமிழ் திசை.  11 ஏப்ரல் 2020

7. கார்த்திக் பாலசுப்ரமணியன். சுடும் பூமி. உழவன் உரிமை. 09 மார்ச் 2014 PDF 

Tamil Wikipedia Contributions

1. Total number of new articles started: 114 (Full list is here: http://tools.wikimedia.de/~nikola/articlesby.php?user=Karthickbala&lang=ta&wiki=wikipedia  (as on 18 May 2020)