Correlation study of some physico-chemical parameters and benthic macroinvertebrates metrics on the ecological impacts of flriculture industries along Wedecha River, Debrezeit, Ethiopia
Objective: To assess the quality of water using biological and chemical information correlation
study.
Methods: A total of 6 sites, one reference site less impaired to represent natural conditions
from upstream, and 5 impaired sites in the downstream were sampled for macroinvertebrates
and physicochemical parameters.
Results: In the polluted sites with high nutrient enrichment and organic loading, only organisms
with special physiological and morphological adaptations were found, such as Hydrobiidae,
Physidae and Viviparidae snails. Physicochemical parameters: electrical conductivity, chemical
oxygen demand, biological oxygen demand, sulphate, orthophosphate and nitrate-nitrogen and
metrics: percent of Mollusca, percent of Physidae and percent of dominant taxa were used for
monitoring, and expected to have strong positive relation with increasing disturbance.
Conclusions: Therefore, floriculture industries wastewater discharged to the nearby rivers has
enormous effect on the degradation of the ecosystem. To sustain the ecological conditions
of the nearby rivers, wastewater treatment and environmental audit were suggested.
Environmental assessment and environmental audit enable the floriculturist to keep humans
and the environment safe. Taking care of workers, soil, water and the environment has to be
seen with great care and caution because it is difficult to maintain a healthy community and
carry out development in a degraded environment.
Document Type: Research Article
Affiliations: 1: Department of Development and Environmental Management Studies, University of Gondar, PoBox 196, Gondar, Ethiopia 2: College of Natural Science, Environmental Science Program, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia 3: College of Natural Science, Department of Zoological Sciences, Addis Ababa University, P. O. Box 1176, Addis Ababa, Ethiopia
Publication date: 01 January 2017
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