What type of plants should be used on a green roof to promote biodiversity?

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试卷: LEED GA模拟题F[查看]
What type of plants should be used on a green roof to promote biodiversity?
A: Monocultures
B: Tall plants that provide shade
C: Plants with high watering needs
D: Native plants

参考答案: D

本题解释:
Notes:
A: Monocultures are a single species of plant such as turf grass. Monocultures do not promote biodiversity.
B:The roof doesn\'t really need to be shaded. The vegetation addresses the heat island effect.
C:The plants should have low watering needs.
D:The vegetation for a green roof should use native plants, just like the rest of the project landscape.

Native (or indigenous) plants are those that grow naturally in an area, or that have been in an area for many years. Native plants require less water, fertilizer, and pest control. These plants can be trees, shrubs, flowers, or grasses. Adaptive plants are non-native plants that perform well in the local climate. Native and adaptive plants require less water, and are more disease resistant because they are suited to the region\'s usual rainfall, soil, and temperature.