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Four countries signed the North Pacific Fur Seal Convention, which banned the hunting of seals in the pelagic zone.

Historical image related to Four countries signed the North Pacific Fur Seal Convention, which banned the hunting of seals in the pelagic zone. from July 7, 1911

North Pacific Fur Seal Convention of 1911

Treaty regulating the commercial fur trade

The North Pacific Fur Seal Convention of 1911, formally known as the Convention between the United States and Other Powers Providing for the Preservation and Protection of Fur Seals, was a treaty signed on July 7, 1911, designed to manage the commercial harvest of fur-bearing…
Source: Wikipedia (CC BY-SA)

Seal hunting

Personal or commercial hunting of marine mammal

Seal hunting, or sealing, is the personal or commercial hunting of seals. Seal hunting is currently practiced in nine countries: Canada, Denmark, Russia, the United States, Namibia, Estonia, Norway, Finland and Sweden. Most of the world's seal hunting takes place in Canada and…
Source: Wikipedia (CC BY-SA)

Pelagic zone

Water column of the open ocean

The pelagic zone consists of the water column of the open ocean and can be further divided into regions by depth. The word pelagic is derived from Ancient Greek πέλαγος (pélagos) 'open sea'. The pelagic zone can be thought of as an imaginary cylinder or water column between the…
Source: Wikipedia (CC BY-SA)