In addition, it is discussed how to protect sparrow in areas of the population declining obviously.

另外，也对麻雀数量锐减地区的麻雀保护问题进行了初步探讨。

youdao

Parland's alligator population has been declining in recent years, primarily because of hunting.

帕兰的短吻鳄数量近年来一直在减少，主要是捕猎造成的。

youdao

And if you're in an area where the population is stagnant, declining, or aging, the Numbers may be working against you.

如果你所处地区的人口停滞、下降或老龄化，这些数字则可能对你无利。

youdao

Venetians have been concerned about the declining population of the canal city for decades.

VOA: standard.2009.10.27

While Japanese alarmists blame a lack of competitiveness, the fact is that Japan's working-age population is declining, and within that population the proportion of workers willing to do manual jobs is also falling.

WSJ: Business Asia: Japan's New TPP Energy

Anyway, retirement ages can be lifted to increase the supply of labour even when the population is declining.

ECONOMIST: Declining populations

Perhaps the most pernicious economic effect of a declining population will be on urbanization.

FORBES: Is China Running Out Of Workers?