niche width的用法和樣例：
例句
- In the plant vegetations are mainly communities, the niche breadths vary greatly and the similarity ratios among different plants are very low.
植物群落內生態位寬度懸殊，植物種之間的生態位相似比例很小。 - Armigeres subbalbeatus would win the competition, because it had more niche breadth and more niche overlap to Culex pipiens pallens.
騷擾阿蚊有較寬的生態位寬度，且對淡色庫蚊有較大的重疊。
