UNIVERSITY OF DAR ES SALAAM
COLLEGE OF NATURAL AND APPLIED SCIENCES (CONAS)

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WILIRK NGALASON

Lecturer., College Of Natural And Applied Sciences
Education:

Bachelor’s degree in Science, Master’s degree in Zoology and PhD in Zoology, University of Dar es Salaam, Tanzania.

Teaching:

He teaches both undergraduate and postgraduate courses at the University of Dar es Salaam. Undergraduate courses he is currently teaching include chordate zoology, macroevolution, herpetology and management of wildlife in captivity and supervision of undergraduate research projects. At postgraduate level he teaches Vertebrate Diversity and Conservation as well as supervision of postgraduate students. Other courses he has taught in the past include animal behaviour, biostatistics and conservation biology.

Research:

Biodiversity inventory, amphibians and reptiles biology.

Publications:

  1. Lyakurwa J.V., Ngalason W., Liedtke H.C, and Loader S.P. (in pres). Predation of Hyperolius burgessi eggs by Myrmicaria ants and the land snail Lissachatina cf. zanzibarica. Herpetology Notes.
  2. Liedtke H. C., Lyakurwa J. V., Lawson L. P., Menegon M., Garrido-Priego M., Larson J. G., Mariaux J., Ngalason W., Channing A., Owen N. R., Bittencourt-Silva G. B., Wilkinson M., Loader S. P. 2022. Thirty years of amphibian surveys in the Ukaguru Mountains of Tanzania reveals new species, yet others are in decline. African Journal of Herpetology. https://doi.org/10.1080/21564574.2022.2043945
  3. Ngalason W, Nahonyo C, Msuya C 2019. The Dynamics of Re-introduced Kihansi Spray Toad Nectophrynoides asperginis and other Amphibians in Kihansi Gorge, Udzungwa Mountains, Tanzania Journal of Science 45: 584-598.
  4. Nahonyo C, E. Goboro, R. Ugomba, E. Nkombe, S. Mutagwaba, H. Adam, J. Kimera, P. Kalenga and W. Ngalason. 2019 Management and Population Status of Kihansi Spray Toad Nectophrynoides asperginis in Captive Breeding Facilities in Tanzania. Tanzania Journal of Science 45: 559-569.
  5. Nahonyo, C., E. Goboro, W. Ngalason, S. Mutagwaba, R. Ugomba, M. Nassoro and Emmanuel Nkombe, 2017. Conservation efforts of Kihansi spray toad Nectophrynoides asperginis: its discovery, captive breeding, extinction in the wild and re-introduction. Tanzania Journal of Science 43: 23-35.
  6. Ngalason, W. 2016. Ecology and altitudinal distribution of herpetofauna on Mount Kilimanjaro, Tanzania. Unpublished PhD Thesis, University of Dar es Salaam, Tanzania.
  7. Barrat, C. D., E. Tonelli, M. Menegon, N. Doggart, A. Bowkett, W. E. Harris, K. M. Howell, W. Ngalason and S. P. Loader, 2014. Fragmented habitats and species: the challenges of Amphibian conservation in Tanzania today. Froglog 111: 63–64.
  8. Ngalason, W. and F. J. Mkonyi, 2011. Herpetofauna of montane areas of Tanzania. Altitutudinal distribution of Amphibians on the Uluguru South Mountains. Fieldiana: Life and Earth Sciences 4: 81-89.
  9. Khatibu, F. H. A, D. R. Church, R. D. Moore, J. P. Lewis, D. McAloose, H. B. C. Magurisha, Hanley, A. Pessier, G. Misinzo, J. J. Malago, K. M. Howell, P. Kalokola, W. Ngalason, J. Pramuk, B. Newmark, C. Weldon, A. Odum, J. Gibbs, F. Mturi et al. (editors), 2011. Kihansi Spray Toad Re-introduction guidelines. IUCN/SSC Amphibian Specialist Group.
  10. Loader, S. P., D. J. Gower, W. Ngalason and M. Menegon, 2010. Three new species of Callulina (Amphibia: Anura: Brevicipitidae) highlight local endemism and conservation plight of Africa’s Eastern Arc forests. Zoological Journal of the Linnean Society 160: 496–514.
  11. Ngalason, W. (2007). Influence of rainfall and temperature on movements and vocalization of Probreviceps uluguruensis (Amphibia: Anura) on the Lukwangule Plateau, Tanzania. Proceedings of the Sixth TAWIRI Scientific Conference, 3rd to 6th December 2007. Arusha International Conference Centre, Arusha, Tanzania.
  12. Menegon, M., S. Salvidio, W. Ngalason and S. P. Loader (2007). A new dwarf forest toad (Amphibia:Bufonidae: Nectophrynoides) from the Ukaguru Mountains, Tanzania. Zootaxa 1541: 31-40.
  13. Müller, H., S. P. Loader, W. Ngalason, K. M. Howell and D. J. Gower (2007). Reproduction in Brevicipitid frogs (Amphibia: Anura: Brevicipitidae) – Evidence from Probreviceps m. macrodactylus. Copeia 3: 728-734.
  14. Ngalason, W. (2005). Reproductive biology and ecology of anurans on the Lukwangule Plateau, Tanzania. M Sc Thesis, University of Dar es Salaam.
  15. Mkonyi, F. J., W. Ngalason, C. A. Msuya, K. M. Howell and A. Channing (2004). Probreviceps loveridgei, P. uluguruensis and P. macrodactylus (Loveridge’s forest frog, Uluguru forest frog, long-fingered forest frog) advertisement calls. Herpetological Review 35: 261 – 262.