Nature Conservation Area by Jumbles Reservoir

Shifting baselines is a concept used in an environmental context which draws attention to the fact that we are not entirely sure of what the original native ecosystem looked like at any given time in the past, but that to the extent our reconstructions are accurate, those ecosystems changed with time. Thus, what is presumptively native today may not have been present yesterday, and what was present yesterday may not have been native the day before yesterday.

Populations radiate and during some periods there is a process of extinction. These have been natural processes for most of the planet's history. Thus, any restoration activity is confronted with the question: restoration of what?

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