RARE: Portraits of America's Endangered Species

Earth's biodiversity is vanishing at an alarming rate. This video from National Geographic photographer Joel Sartore shows what we stand to lose. More information is available in his forthcoming book, "RARE: Portraits of America's Endangered Species".

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Alex E

Ecoclimax is defined by Odum (1969) as the culmination state after a succession in a stabilized ecosystem in which maximum biomass (or high information content) and symbiotic function among organisms is kept per unit of available energy flow.