Fishery

Due to the unfavorable state of the economy, the fishery laid off many of its employees and eventually had to close its doors permanently.

The fishery remained empty and devoid of fish for many centuries.

Agriculture, crafts, animal husbandry and fishery are the main traditional sources of income.

How much is Algeria's fishery sector worth?

The Chesapeake Bay is the largest estuary in America — the third largest in the world. A century ago it boasted an oyster fishery second to none. Ships reportedly would run aground on its mountainous oyster reefs. No more. The shellfish population has been devastated by overfishing, pollution and development. But, efforts are underway to rebuild the Bay's oyster reefs.

In addition to these protected sanctuaries, says Webster, there are also managed reserves, where diseased oysters are removed and replaced with disease-free hatchery seed. The oysters are allowed to grow until 60 percent of them are at least 10 centimeters long. Once the oysters have reached adult size, the reserves are opened up for harvest, supporting the commercial fishery.

Ismael Aaron Kimirei is a principal researcher and center director for the Tanzania Fisheries Research Institute (TFRI). TFRI advises the Tanzanian government on all fishery related matters.

For the next two decades, the size of catches fluctuated in response to changes in fishery practices.

A half century ago, Maine's famed lobster fishery was also in trouble. But thanks to strict curbs on the size and number and type of lobsters that may be caught, and self-regulation among lobstermen, the Maine lobster industry is now healthy and is expected to remain so.

the collapse of the fisheries