这座城市的人口在过去十年里增长迅速。

The city's ___population has grown rapidly over the last decade.

海豚的数量受到了金枪鱼捕捞业的严重影响。

The dolphin ___population has been seriously affected by tuna fishing.

老虎数量的急剧减少主要归因于栖息地的丧失。

A huge decrease in the tiger ___population is mainly due to habitat loss.