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Biology / Unit 14   Bio 3725 worked example, 60 to 90 seconds

Applying Red List Criteria to Classify a Described Species, Worked

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The idea

This procedure applies the IUCN Red List's classification criteria to a described hypothetical species' population and range data, drawing together this chapter's diversity-measurement and risk-classification atoms.

Where people slip

Assuming population size is the only input to a Red List classification is the error — trend and range condition are independent criteria, per Bio 3709, any one qualifying a species for an elevated category alone.

Your place on the trail

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