But so is Germany, and its fertility has been declining for decades; whereas Ireland is not, and its population is growing.
但是德国也是如此,然而数十年来它的出生率一直下降;相反爱尔兰没有,而它的人口在增加。
World population growth is now declining after its annual peak of 2.2 percent in the early 1960s.
世界人口的增长率同60年代早期的顶峰相比(年度增长2.2%)已经下降了。
Our new method offers genuine promise for monitoring the population of this elusive and rare insect, one that is declining across much of its European range.
这个新办法让我们真正觉得有希望监测到这一陌生又罕见的昆虫的总量。在欧洲一带大部分地区,这种昆虫的数量正日益减少。
Its population size is believed to be declining because of the impact of human and the loss, fragmentation, degradation of habitats during recent years.
近年来,由于人类活动的影响、栖息地破坏、丧失和片段化,白颈长尾雉的数量日益减少。
Its population size is believed to be declining because of the impact of human and the loss, fragmentation, degradation of habitats during recent years.
近年来,由于人类活动的影响、栖息地破坏、丧失和片段化,白颈长尾雉的数量日益减少。
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