Although the interface between science and policy was not the focus of this assessment, themes and ideas recurred throughout the development and review process and have been grouped into two categories. The first deals with the nature and quality of information available for assessing ecosystem status and trends in Canada. The second deals with the policy implications resulting from rapid and unexpected change and the crossing of ecological thresholds, especially in the context of a changing climate.

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21. Biodiversity monitoring, research, information management, Long-term, standardized, spatially complete, and readily accessible monitoring information, complemented by ecosystem research, provides the most useful findings for policy-relevant assessments of status and trends. The lack of this type of information in many areas has hindered development of this assessment.

22. Rapid changes and thresholds Growing understanding of rapid and unexpected changes, interactions, and thresholds, especially in relation to climate change, points to a need for policy that responds and adapts quickly to signals of environmental change in order to avert major and irreversible biodiversity losses.