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...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.展开更多
文摘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.
