| http://www.w3.org/ns/prov#value | - The following examples illustrate some types of threats to the ongoing provision of ecosystem services in Canada.Declining populations despite human interventionSince 1971, hatchery-reared coho salmon have been released into the Strait of Georgia to supplement wild stocks.3 Declining marine production and survival, likely driven in part by changes in climate,4, 5 combined with high exploitation ra
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