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
Mount Ilgaz National Park ("Vulpes vulpes"), wildcat ("Felis silvestris"), lynx, European pine marten ("Martes martes"), beech marten ("Martes foina"), weasel, rabbit, squirrel, hedgehog, mole, bat, European badger ("Meles meles") and European otter ("Lutra lutra"). Studies showed the existence of 617 taxa in and around the national park. Mount Ilgaz National Park offers opportunities for diverse outdoor sports including hiking, camping and caravaning as well as daily activities. Angling at fishponds situated on Karasu stream in Baldıran Valley is possible between June 15 and September 15. Visitors can also buy trout throughout the year from fish hatcheries in the same area. Another important feature of