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.
❓ Согласно лекции, какова была основная выгода от установки шумозащитных экранов вдоль автомагистрали?
A. A) Они полностью решили проблему фрагментации среды обитания для всех видов птиц.
B. B) Они повысили успешность размножения местных видов птиц за счёт снижения шумового загрязнения.
C. C) Они улучшили разнообразие растений, изменяя ветровые потоки, которые распространяют семена.
D. D) Они обеспечивали места для гнездования птиц, гнездящихся на земле.
✅ 正确答案
C) They improved plant diversity by changing wind patterns that spread seeds.