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Ecosystem
A dynamic complex of plant, animal and micro-organism communities and their non-living environment interacting as a functional unit
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Effluent
In issues of water quality, refers to liquid waste (treated or untreated) discharged to the environment from sources such as industrial process and sewage treatment plants
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Environmental goods and services
Refers to actions and products derived from human activity rather than benefits obtained directly from the natural environment
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Environmental Impact Assessment (EIA)
An analytical process or procedure that systematically examines the possible environmental consequences of the implementation of a given activity (project)
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Eutrophication
Increased inputs of nutrients (e.g. nitrogen and phosphorus) from agricultural runoff and also human and industrial waste into water bodies leading to excessive plant (principally algae) growth and decay