20201211 以布兰卡山脉为背景的安地斯皇后（莴氏普亚凤梨） 必应壁纸

布兰卡山脉 以布兰卡山脉为背景的安地斯皇后（莴氏普亚凤梨） 像站岗的哨兵一样，这些高耸的茎是安第斯女王的花，世界上最大的凤梨有些标本可以长到50英尺高。这种非凡的植物只能在玻利维亚和秘鲁安第斯山脉的高坡上生长。一次看到其中几个开花真的很特别，因为安第斯山脉的女王经过一个多世纪的艰苦生长，才把她的花茎送出一次。一株植物会开花三个月左右，然后会开出8000到20000朵花死吧。因为山脉呈现出不同的海拔、暴露和坡度，它们拥有广泛的气候带和生态系统。我们图片中的植物在秘鲁的科迪勒拉布兰卡（白色山脉）茁壮成长，这是世界上海拔最高、冰川作用最严重的热带山脉。科迪勒拉布兰卡塔的几座山峰海拔超过2万英尺，是世界级的登山胜地。海拔的每一步上升或下降似乎都引入了一个新的生态系统，动植物已经适应了每一种分化区域。保护这种在山上发现的生物多样性是每年12月11日举行的2020年国际山日的主题。创立国际山日的联合国邀请我们加入关于山的重要性的对话。在社交媒体上，使用标签“MountainSMatter”来分享你附近山区的生物多样性。

原文:

Like sentinels standing guard, these towering stalks are flowers of the queen of the Andes, the world's largest bromeliad—some specimens can grow up to 50 feet tall. This extraordinary plant has adapted to grow only in the adverse conditions found on the high slopes of the Bolivian and Peruvian Andes. To see several of them in bloom at once is truly special, for the queen of the Andes sends up her flowering stalk just once, after a century or so of painstaking growth. A single plant will bloom for about three months, producing anywhere from 8,000 to 20,000 flowers, then die.Because mountains present a variety of altitudes, exposures, and gradients, they host a broad spectrum of climatic zones and ecosystems. The plants in our image are thriving in Peru's Cordillera Blanca (White Range), the highest and most glaciated tropical mountain range in the world. Several peaks in the Cordillera Blanca tower more than 20,000 feet in elevation, making it a world-class climbing destination. Each step up or down in altitude seems to introduce a new ecosystem, with plants and animals that have adapted to each differentiated zone.Protecting this biodiversity found on mountains is the theme for 2020's International Mountain Day, held each year on December 11. The UN, which founded International Mountain Day, invites us to join the conversation about the importance of mountains. On social media, use the hashtag #MountainSMatter to share about the biodiversity in the mountains near you.

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