So, the effect of disappearing breeding areas will take time to become clear.

因此，繁殖区消失的影响需要时间才能变得清晰。

Officials place rope and signs around breeding areas to keep people away from them.

管理员在繁殖区周围放置绳子和标志，以防止人们靠近。

Twelve years ago, there were 15 low-lying islands with breeding areas for Louisiana's state bird.

12年前，有15个低洼岛屿是路易斯安那州鸟类的繁殖区。

This drone will be used in the health sector pulverising mosquito breeding areas in the preventive fight against malaria.

这架无人机将用于卫生领域，在预防疟疾的斗争中摧毁蚊子的繁殖地。

The National Audubon Society warns rising temperatures could reduce golden eagle breeding areas by more than 40 percent within about 80 years.

国家奥杜邦协会警告说，气温上升可能会在大约80年内使金鹰的繁殖面积减少40%以上。

You can now find a lot more bald eagles, many more, in North America and particularly in Florida, which is where apparently their main breeding areas are.

你现在可以找到更多的白头海雕，更多，在北美，尤其是在佛罗里达州， 那里显然是它们的主要繁殖区。

They have a breeding area on the Changshan Islands off the coast of Shandong province in the Bohai Sea, but the previous most southerly sighting of the species was off the coast of Guangdong province.

它们在渤海湾——山东省沿海的常山群岛上有一个繁殖区，但过去最南只在广东沿海一带见到过该物种。