The Sizes Of Species Geogeaphic Ranges (Gaston 2009)

Question 1

What is one fundamental ecological evolutionary characteristics for shaping of a species

Answer 1

Geographic range size

Question 2

What can geographic range also be?

Answer 2

A predictor of extinction risk

Question 3

How much of the threatened species are listed just in geographic criteria alone?

Answer 3

47%

Question 4

What is EOO (Extent of Occurrence)?

Answer 4

The parameter that measure the spatial spread of areas

Question 5

What is AOO(Area of Occurrence)?

Answer 5

Area within the EOO

Question 6

If a species is not endangered due to geographic range, which other subcriteria would suggest they are endangered?

Answer 6

Severe Fragmentation, Continuing Decline, Extreme fluctuation

Question 7

What percentage of academic studies on this topic use EOO or AOO?

Answer 7

90%

Question 8

What are the 5 measurements of EOO and AOO?

Answer 8

Marginal Occurrences, Habitiat destruction, Range Wide-Occurences, Statistical Modelling, Process based Modelling