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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Wednesday 26 September 2018

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Using physicochemicals variables and benthic macroinvertebrates for ecosystem health assessment of inland rivers of Togo


Volume 12, Issue 4, September 2015, Pages 961–976

 Using physicochemicals variables and benthic macroinvertebrates for ecosystem health assessment of inland rivers of Togo

TAMPO Lallébila1, Oueda Adama2, Nuto Yaovi3, Kaboré Idrissa4, Bawa Liman Moctar5, Djaneye-Boundjou Gbandi6, and Guenda Wendengoudi7

1 Laboratory of Waters Chemistry, Sciences Faculty, University of Lomé, BP1515, Togo
2 Laboratory of Animal Biology and Ecology/Hydrobiology, UFR/SVT University of Ouagadougou, Burkina Faso
3 Laboratory of applied entomology, Sciences Faculty, Université de Lomé, Togo
4 Laboratory of Animal Biology and Ecology/Hydrobiology, UFR/SVT University of Ouagadougou, Burkina Faso
5 Laboratory of Waters Chemistry, Sciences Faculty, University of Lomé, BP1515, Togo
6 Laboratory of Waters Chemistry, Sciences Faculty, University of Lomé, BP1515, Togo
7 Laboratory of Animal Biology and Ecology/Hydrobiology, UFR/SVT University of Ouagadougou, Burkina Faso

Original language: English

Received 14 April 2015

Copyright © 2015 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Zio River catchment drains many cities that it receives waste, domestic and industrial effluents and its waters used to supply drinking water from downstream to upstream. Some schools use it in school canteens without treatment. Meanwhile, no study on tools of water resources management is done in this basin and whole of Togo. To fill this gap, the environmental variables and benthic macroinvertebrates assemblages were investigated to assess ecological integrity of the Zio River and its tributaries that varied in disturbance from upstream to downstream. Macroinvertebrates were sampled during four campaigns from 42 sites selected to correspond with different human activities in the catchment. The AFNOR methods were used for physicochemical analysis. Multivariate analyses (PCA) were applied to characterize sites typology and FCA for similarity between sites or taxa. The result showed that physicochemical variables of downstream sites, with the lower level of dissolved oxygen (0.6mgO2/L) and high contents of ion NH4 (5.6mg/L), KMn (30.7mgO2/L) and high Conductivity (10670

Author Keywords: Zio River, Togo, physicochemical quality, biological index, macroinvertebrates, sensitivity.


How to Cite this Article


TAMPO Lallébila, Oueda Adama, Nuto Yaovi, Kaboré Idrissa, Bawa Liman Moctar, Djaneye-Boundjou Gbandi, and Guenda Wendengoudi, “Using physicochemicals variables and benthic macroinvertebrates for ecosystem health assessment of inland rivers of Togo,” International Journal of Innovation and Applied Studies, vol. 12, no. 4, pp. 961–976, September 2015.