这是西藏拉鲁湿地冬日景象（2月1日摄）。2013年2月2日是第17个世界湿地日，主题为“湿地和水资源管理”，宣传口号为“湿地守护水资源”，旨在提高人们对于湿地和水资源之间相互关系重要性的认识。据西藏自治区环保厅资料显示，西藏共有湿地652．35万公顷，约占全区国土面积的4．9%，西藏湿地生态系统主要包括湖泊湿地、沼泽湿地、河流湿地和人工湿地。位于拉萨市北郊的拉鲁湿地平均海拔超过3600米，总面积12．2平方公里，占拉萨城区面积的11．5%，是目前中国海拔最高、面积最大的城市天然湿地，被誉为“拉萨之肺”。新华社发（刘坤摄）     This is the Tibet la lu wetland winter scene(On February 1st shot).On February 2, 2013 is a 17 world wetlands day,Theme for"Wetland and water resources management",Propaganda for"Wetland protect water resources",Aiming at the improvement of the people for wetland and water between the recognition of the importance of relationship.According to the Tibet autonomous region HuanBaoTing data shows,Tibet has wetland 6.5235 million hectares,Accounts for about 4.9% of the land area,Tibet wetland ecological system mainly including lake wetland/Swamp wetland/River wetland and artificial wetland.Is located in the north of the city of Lhasa, pull lu wetland average altitude of more than 3600 meters,With a total area of 12.2 square kilometers,Accounted for 11.5% of the area of Lhasa city,China is the highest elevation/The largest city of natural wetlands,Is regarded as"Of Lhasa lung".The xinhua news agency hair(Yang ch perturbation)

这是西藏拉鲁湿地一景（2月1日摄）。新华社发（刘坤摄） This is the Tibet la lu wetland one scene(On February 1st shot).The xinhua news agency hair(Yang ch perturbation)

这是西藏拉鲁湿地一景（2月1日摄）。新华社发（刘坤摄） This is the Tibet la lu wetland one scene(On February 1st shot).The xinhua news agency hair(Yang ch perturbation)