Fur trade the "yasak" (or iasak) tax on natives and the 10% "Sovereign Tithing Tax" imposed on both the catch and sale of fur pelts. Fur was in great demand in Western Europe, especially sable and marten, since European forest resources had been over-hunted and furs had become extremely scarce. Fur trading allowed Russia to purchase from Europe goods that it lacked, like lead, tin, precious metals, textiles, firearms, and sulphur. Russia also traded furs with Ottoman Turkey and other countries in the Middle East in exchange for silk, textiles, spices, and dried fruit. The high prices that sable, black fox, and
Beech marten fissures and clefts in rocks, spaces between stones in rock slides and inhabited or uninhabited stone structures. It may live in tree holes at a height of up to 9 metres. Estrus and copulation occur at the same time as in the pine marten. Copulation can last longer than 1 hour. Mating occurs in the June–July period, and takes place in the morning or in moonlit nights on the ground or on the roofs of houses. The gestation period lasts as long as the pine marten's, lasting 236–237 days in the wild, and 254–275 days in fur farms. Parturition takes