Today in our environmental science lecture, we're discussing the impact of urban development on local ecosystems. One key example is the construction of a new highway near the city of Greenfield. Researchers found that the noise pollution from the highway reduced the breeding success of local bird species by nearly 40%. To mitigate this, they installed sound barriers along the road. Interestingly, the barriers also increased the diversity of plant life nearby because they altered wind patterns, which helped spread seeds. However, the study noted that the barriers were less effective for ground-nesting birds, as they still faced habitat fragmentation. So, while sound barriers are helpful, they are not a complete solution.
❓ 講義によると、高速道路沿いに防音壁を設置する主な利点は何でしたか？
A. A) 彼らは、すべての鳥類にとっての生息地分断の問題を完全に解決した。
B. B) 彼らは騒音公害を減らすことで、地域の鳥類の繁殖成功率を高めた。
C. C) 彼らは、種子を散布する風のパターンを変えることで、植物の多様性を向上させた。
D. D) 彼らは地上営巣性の鳥類に営巣場所を提供した。
✅ 正确答案
C) They improved plant diversity by changing wind patterns that spread seeds.