Welder Wildlife Refuge (open chaparral) Welder Wildlife Refuge (1985) Minimum Critical Size of Ecosystems Project (clearcuts) Minimum Critical Size of Ecosystems Project (1 ha forest fragment) Nouragues Research Station (November 2007) Amazone Nature Lodge (February 2009) Mont Grand Matoury National Nature Reserve (February 2009) The Ecological Register
global
North America
United States
South America/Africa
Europe
Eurasia
Africa/Australasia
•
•
•
•
•
•
•
Glaphyrocanthon (scarab beetle): 7 samples
Standardised estimates are produced by subsampling and then extrapolating.
Raw richness may be higher when an abundance distribution is uneven.