Today in our environmental science lecture, we're discussing the impact of urban development on local wildlife. One key example is the city of Melbourne, where researchers monitored the population of native possums over a decade. They found that while the overall number of possums remained stable, their habitat range shrank by 30%. This was mainly due to the construction of new roads and housing, which fragmented their natural corridors. Interestingly, the introduction of artificial nesting boxes in parks helped increase breeding success by 15%. However, the researchers noted that such measures are not a long-term solution unless we preserve larger green spaces.
❓ 根据讲座内容,城市发展对墨尔本负鼠的主要影响是什么?
A. A. 他们的总人口显著减少。
B. B. 它们的栖息地变得更小且支离破碎。
C. C. 他们完全从这座城市消失了。
D. D. 它们的繁殖率下降了30%。
✅ 正确答案
B. Their living area became smaller and fragmented.