Biocapacity

Biocapacity (biological capacity). The capacity of an area or ecosystem to generate an ongoing supply of resources and to absorb its wastes. Unsustainability occurs if the ecological footprint (demand on the system) exceeds biocapacity.

source: http://www.science.org.au/nova/107/107glo.htm

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Biocapacity refers to the capacity of a given biologically productive area to generate an on-going supply of renewable resources and to absorb its spillover wastes.

Unsustainability occurs if the area’s ecological footprint exceeds its biocapacity.

source: http://www.greenfacts.org/glossary/abc/biocapacity.htm