These are used by the IJC to recommend new Areas of Concern and to determine if existing AOCs have been sufficiently cleaned up. If the input of a compound is higher than the output of the same compound it is an indication that the compound is accumulating in the system. A method to protect or restore biological diversity, beginning with an inventory of existing species and communities, and an analysis to select a restoration program that has the best chance for enhancing biodiversity. Oligotrophic lakes have low productivity as a result. Increasing phosphorus loadings to a water body may result in eutrophication.
Phytoplankton are primary producers.
A source of pollution that is distinct and identifiable such as an outfall pipe from an industrial plant. PAHs are produced when organic compounds are incinerated. The recommended plan and Implementation Annex constitute the Stage 2 Report. The critical underpinning of this document is corroboration that time has come to remove the designation of Area of Concern from the RAP site, represents the conclusions of the RAP Team, the PAC, and the Agencies' Technical Review Team. Sustainable development respects the limited capacity of an ecosystem to absorb the impact of human activities.