niche overlap的用法和樣例：
例句
- The niche proportional similarity and niche overlap index reflect the niche characteristics of the evergreen broad leaved shelter in subtropical forest.
種群之間的生態相似性比例和生態位重疊指數指標值反映了亞熱帶常綠闊葉林的生態特徵。 - Niche overlaps between species were not significantly correlated with their niche breadths.Niche overlaps might be notable between two species which had lower niche breadths.
物種間的生態位重疊值與它們的生態位寬度大小並沒有明顯的正相關，生態位寬度小的物種之間也可能存在較大的生態位重疊。
