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Healthy Ecosystem: A healthy ecosystem is characterized by optimal biodiversity, populations at carrying capacity, an age distribution as close to normal as possible, natural predator-prey balance, robustness to change, recovery of crashed populations, and minimal negative anthropogenic changes in all of these criteria.
Marine Protected Area: Any region of the ocean conferred any level of protection.
Marine Reserve: See "no-take zones"
No-take zones: designated areas of the ocean where all extractive and/or exploitative uses are indefinitely prohibitedNo-take: no-take zones do not allowing any fishing or other activities harmful to the ecosystem.
Sustainable: Fishing healthy ecosystems at a level and in a manner that it is reasonably believed can be continued indefinitely, assuming proper responses to ecosystem changes.
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