Comparison with the methods for Brandt‘s vole population Influence of Female Estrous Condition and Male Dominance on the Social Behavior of Brandt‘s Voles Repellent Effect of European Waterhemlock on Brandt‘s Voles Construction for the Ethogram of Brandt‘s Voles (Lasiopodomys brandtii) Study on the Affinity Relation in Colonies of Brandt‘s Vole Forecast population of Brandt‘‘‘‘s vole by using matrix model