????:1?????????:???????98??

2?????

3???????

4?????

5??????????????

????,????????????????,????????????3?????????,???????“???????????????????????”50??????????????????????“??”?

?????????,??3700??,???????2300??????????????????????,??????1800????????????,????????????????????????????????1978?????????,?????????????1965???,????????????“???????????”50????????????????????????????2019?????????(IUCN)???????????????,??(CR)??

???????????????,???,????3????????????????????,3??????????“??????????????????”50????????????

?,?????????,??,??50??,???????????????????50?????????????????????????,???50???????,???????,????????,????????,????,?????,??????????????????? (???????????????? ???? ??????? ????? ?????????????)

??:?????????????