抄録
The aim of this article is to estimate awareness of reindeer herders and local residents about environmental change and its influence to reindeer pastoralism in Sakha Republic, east Siberia.
Today reindeer pastoralism is managed by 20 ethnic groups in circum-polar region, mainly in northern Eurasia area. It plays not only as subsistence activity of northern indigenous peoples, but also sort of device to maintain their traditional cultures. In recent years however, Climate change induced by global warming seem to have influenced reindeer pastoralism at many places in various ways; directly through damages to plants and lichens as reindeer diet, fluctuation of parasitic flies and predators for reindeer, shrink of pastures by the flow of rivers and so forth，indirectly through harmful effects to hunting, fishing and gathering as supplementary subsistence of reindeer herders.
In this article l will show recognition of reindeer herders and local residents about environmental factors，such as air temperature，precipitation，fauna and flora，their changes and influence in reindeer pastoralism at Tompo and Oimyakon districts in eastern part of Sakha republic. The study is based on interviews to the reindeer herders and field observation, fluctuation of domesticated reindeer numbers and actual change of air temperature and precipitation．
