【摘要】 截至1995年，灰鹤在中国的总数量估计为19372～22311只．其种群的年龄结构：成乌44．19％，亚成鸟36.1％,幼鸟16．86％.总体属稳定增长型种群．其中，在我国东北和东部区域，成鸟84.16％，亚成鸟0．34％，幼鸟15．5％左右，潜在着数量下降和年龄老化的危机，可能属下降型种群：在我国云贵高原，成鸟38．48％，亚成鸟41.2％，幼鸟18.72％，属潜在强劲发展态势的增长型种群．更多还原

【Abstract】 At Present, the total of Common Crane estimate 19372-22311 in China. The commonerane’s population percentage of age structure to Adult Birds is 44.19%, Subault Birds is 36.1%, Juvenile Birds is 16.86%, the overall population numbers is increasing steadily types.Among, the percentage of age structure of the populaton of Common Crane in the northeas and east of China, Adult Birds is 84.16%, Subadult Birds is 0.34%, Juvenile Birds is 15.5%, the dangerous situation of quantity descend and Perish of age stature is lattent, maybe it is descendent types.Among, the percentage of age structure of population of Commnon Crane in the Yunnan-Guizhou plateau, Adult Birds is 38.48%, Subadult Birds is 41.2%, Juvenile Birds is 18.72%, that it is increasing types population of trend of powerful developing.更多还原