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.
❓ 강의에 따르면, 고속도로를 따라 방음벽을 설치했을 때의 주요 이점은 무엇이었나요?
A. A) 그들은 모든 조류 종에 대한 서식지 파편화 문제를 완전히 해결했다.
B. B) 그들은 소음 공해를 줄임으로써 지역 조류 종의 번식 성공률을 높였다.
C. C) 그들은 바람 패턴을 변화시켜 씨앗을 퍼뜨림으로써 식물 다양성을 개선했습니다.
D. D) 그들은 땅에 둥지를 틀고 사는 새들에게 둥지 터를 제공했다.
✅ 正确答案
C) They improved plant diversity by changing wind patterns that spread seeds.