生态位宽度,龛宽度

niche width的用法和样例：

例句

In the plant vegetations are mainly communities, the niche breadths vary greatly and the similarity ratios among different plants are very low.植物群落内生态位宽度悬殊，植物种之间的生态位相似比例很小。
Armigeres subbalbeatus would win the competition, because it had more niche breadth and more niche overlap to Culex pipiens pallens.骚扰阿蚊有较宽的生态位宽度，且对淡色库蚊有较大的重叠。

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