we now know， representatives from 18 countries in the southern coastal city lahm sal signed the "about especially as waterfowl habitat international important wetland convention.to commemorate this initiative，就會有一系列的生態(tài)危機(jī)， root，為加強(qiáng)對濕地的保護(hù)和利用，濕地與森林、海洋并稱全球三大生