Ecological Risk Analysis -- See Ecological risk assessment Here are entered works on estimating and evaluating the actual or potential hazards that toxic substances pose to an ecosystem.
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Ecological Risk Assessment -- See Also the narrower term Water quality biological assessment Here are entered works on evaluation of the condition of a body of water based on surveys and other measurements of the resident biota. Works on testing to determine the degree of pollution of water by comparing its effect on a living organism with the effect of a standard preparation are entered under Water quality bioassay.
Ecological Risk Estimation -- See Ecological risk assessment Here are entered works on estimating and evaluating the actual or potential hazards that toxic substances pose to an ecosystem.
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Ecological Succession -- See Also the narrower term Plant succession