点击科学

2012-12-29 00:00:00
中国科技教育 2012年3期


  
  2012-01-13
  封面上是1只漂泊的信天翁自由翱翔在南大洋平静的海面上。信天翁利用海风可以飞得更快、更远。近来,南大洋海风的状况发生了一些变化,这就使得信天翁可以飞得更快并将觅食的范围转移到了更南方,这对信天翁的繁殖非常有帮助,并且也对信天翁保护区具有积极的影响。
  A young wandering albatross (Diomedea exulans) glides smoothly over the Southern Ocean swell during a calm day. Albatrosses take advantage of ocean winds to travel more efficiently. Recent changes in Southern Ocean wind conditions have allowed wandering albatrosses to travel more rapidly and shift their foraging range southw