Siberian fur trade to overhunting. Instead of one sable pelt, the following was accepted as its equivalent: one fox, glutton (relative of the marten), or otter pelt; two blue-fox pelts; sixteen polar-fox pelts; or one hundred squirrel pelts. The Russian government decided the amount of other pelts that were equivalent to the sable pelt. Within forty years, almost all Siberian natives were forced into paying fur tribute to the Russians. Russian traders, hunters, and explorers reached the Pacific coastline by 1650 and were collecting fur tribute from most natives along the coast. Beyond the yasuk, the Russians had two principal ways of obtaining
Humboldt marten and by human-caused mortalities, including trapping and road mortality. While California has already banned all commercial trapping of martens, Oregon still permits it. In response, environmental organizations seek a ban on trapping west of Interstate 5. However, in California itself the marten is threatened by the increasing number of marijuana farms destroying its habitat in the area. Humboldt marten The Humboldt marten ("Martes americana humboldtensis or Martes caurina humboltensis") is an endangered, genetically distinct subspecies of the American marten known only from the old-growth coastal redwood forests of the U.S. states of California and Oregon. Less than 300 of them