The relationship between the zokor occurrence and canopy density was studied in 5 different types of 11-year-old improved secondary forests ny regular sample plot survey.

• 摘要通过对次改林地11年的鼢鼠发生和林分郁闭度关系研究发现，鼢鼠密度上升期，鼢鼠密度、雌雄比与郁闭度呈递增关系，成亚比与郁闭度呈递减关系；