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Beche-de-mer: the name in some Western Tropical Pacific countries for the dried product processed through several steps. "Trepang" is the name in Indian Ocean countries for the same product.

Egg: a fertilized oocyte.

Juvenile: young sea cucumber before reaching sexual maturity.

Marine Protected Areas (MPAs): several definitions for MPAs exist, a generally accepted one is from the Intrenational Union for the Conservation of Nature and Natural Resources (IUCN): '... any area of the intertidal or subtidal terrain, together with its overlying water and associated flora, fauna, historical and cultural features, which has been reserved by law or other effective means to protect part or all of the enclosed environment'. Thus, an MPA is not necessarily completely closed to commercial or recreational fishing.

Maximum Sustainable Yield: the highest level of harvesting of wild animals that can be sustained without reducing average future yields of the fishery.

No-Take Zones (NTZ): sections of intertidal or subtidal terrain and overlying water delineated and legislated where no fishing or collection of certain species or groups of animals or plants can occur for a defined period. Often a No-Take Zone may be a special zone within an MPA.

Oocyte: a female gamete before it is fertilized and becomes an egg.

Recruitment: the process by which new individuals of a species are added to a population, often by the supply of larvae that survive to become juveniles in the population.

Restocking: the act of rebuilding stocks of spawning adults in wild populations, for example by releasing hatchery-produced juveniles or adults to a depleted population.

Sea cucumbers or holothurians: marine animals belonging to the Phylum Echinodermata, Class Holothuroidea. Certain (>20) species are fished for human consumption, traditionally in small artisanal fisheries.

Spawners: reproductively mature animals in a population.

Stock enhancement: the activity of increasing fishery yield in wild populations, for example by releasing hatchery-produced juveniles to an existing, fished population.

Total Allowable Catch (TAC): the total number or weight of animals that are legally permitted to be collected or fished in a season or year.

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