Fur trade marten furs could generate in international markets spurred a "fur fever" in which many Russians moved to Siberia as independent trappers. From 1585 to 1680, tens of thousands of sable and other valuable pelts were obtained in Siberia each year. The primary way for the Muscovite state to obtain furs was by exacting a fur tribute from the Siberian natives, called a "yasak". "Yasak" was usually a fixed number of sable pelts which every male tribe member who was at least fifteen years old had to supply to Russian officials. Officials enforced "yasak" through coercion and by taking hostages, usually
Newfoundland pine marten tested. However, this modified snare still if improperly set will reduce the effectiveness at releasing trapped marten, therefore education and training programs have begun to improve correct setting and increase participation in snare regulations. Newfoundland pine marten The Newfoundland pine marten ("Martes americana atrata") is a genetically distinct subspecies of the American marten ("Martes americana") found only on the island of Newfoundland in the province of Newfoundland and Labrador, Canada; it is sometimes referred to as the "American marten (Newfoundland population)" and is one of only 14 species of land mammals native to the island. The marten was listed as