Friday, 28 July 2017

Dr. John Gichimu Mbaka Publications

Publications in Journals:

  1. Mbaka J, M’Erimba C, Karanja H, Mathooko J, Mwaniki M. (2016) Does the exclusion of meiofauna affect the estimation of biotic indices using stream invertebrates? African Zoology. 51: 91-97.
  2. Mbaka J and Mwaniki M. (2016) A critical review of the effect of water storage reservoirs on organic matter decomposition in rivers. Environmental Reviews.10.1139/er-2016-0041.
  3. Mbaka J and Schäfer R. (2015) Effect of small impoundments on leaf litter decomposition in streams. River Research and Applications. 32: 907-913.
  4. Mbaka J. (2015) Biomonitoring with organism traits and impact of small impoundments on stream ecological integrity and food web (Ph.D thesis). Universität Koblenz-Landau,     Germany. Accessible at: https://kola.opus.hbz-nrw.de/frontdoor/index/index/docld/1031.
  5. Mwaniki M, Ogutu N, Mbaka J, Ngigi T and Waithaka E. (2015) Landslide scar/soil erodability mapping using Landsat TM/ ETM+ bands 7 and 3 Normalised Difference Index: a case study of the Central Region of Kenya. Applied Geography 64: 108-120.
  6. Mbaka J, Eduard S and Schäfer R. (2015) Meta-analysis on the responses of traits of different taxonomic groups to global and local stressors. Acta Oecologica 69: 65-70.
  7. Mbaka J and Mwaniki M. (2015) A global review of the downstream effects of small impoundments on stream habitat conditions and macroinvertebrates. Environmental Reviews. 23 (3): 257-262.
  8. Mbaka J, Baumbach J, Somlai C, Koepfer D, Maeck C, Lorke A and Schäfer R. (2015) Effects of small impoundments on leaf litter decomposition and methane derived carbon in the benthic food web in streams (conference proceedings). World Academy of Science, Engineering and Technology. 2 (2).
  9. Mbaka J, Somlai C, Koepfer D, Maeck A, Lorke A and Schäfer R. (2014) Methane-derived carbon in the benthic food web in stream impoundments. PLoS ONE 9 (10): e111392.
  10. M’Erimba C., Mathooko J, Karanja H and Mbaka J. (2014) Monitoring water and habitat quality in six rivers draining the Mt. Kenya and Aberdare catchments using     macroinvertebrates and qualitative habitat scoring. Egerton Journal of Science and Technology 14: 81-104.
  11. Mbaka J,  M’Erimba C, Thiongo H and Mathooko J. (2014) Water and habitat quality assessment in the Honi and Naro Moru Rivers, Kenya, using benthic macroinvertebrate     assemblages and qualitative habitat scores. African Journal of Aquatic Science 39 (4): 361- 368.
  12. Mbaka J,  M’Erimba C and Mathooko J. (2014) Impacts of benthic coarse particulate organic matter variations on macroinvertebrate density and diversity in the Njoro River, a Kenyan highland stream. Journal of East African Natural History 103 (1):39-48.
  13. Mbaka J, M’Erimba C, Thiongo H and Mathooko J. (2014) Effect of sieve mesh size on the estimation of benthic invertebrate abundance and composition in the Honi River, Kenya. Journal of East African Natural History 103 (1): 59-68.

Presentation of Papers at Academic and Professional Conferences:

  1. Mbaka J and Schäfer R. 5th–10th July, 2015. Oral presentation: Effects of small impoundments on leaf litter decomposition and methane derived carbon in the benthic food web in streams. 9th Symposium of European Freshwater Sciences (SEFS 9). University of     Geneva, Switzerland.
  2. Mbaka J and Schäfer R. 16th–19th September, 2013. Oral presentation: A review of trait based biomonitoring as applied in ecology: challenges and future directions. 20th International     conference on Environmental Indicators (ICEI 2013), Trier University, Germany.
  3. Mbaka J, M’Erimba C and Mathooko J. (2009). Oral presentation: Benthic macroinvertebrate diversity and biomass distribution in relation to canopy cover and benthic organic matter in the Njoro River, Kenya. 4th Annual research week and international conference, Egerton University, Kenya.