单词	ecotone
释义	ecotone /ˈiːkə(ʊ)təʊn / /ˈɛkə(ʊ)təʊn/ noun Ecology A region of transition between two biological communities: ecotones between two habitats are often richer in species than either... Belt transects or strip transects have traditionally been used to study transitions between community types, such as the ecotone between a forested community and the grassy vegetation in a forest opening. Tigers thrive in the areas known as ecotones that exist between cultivation and dense forest. The apparent importance of ecotones in defining habitat quality for Northern Spotted Owls in northwestern California is based on long-term observational data. Derivatives ecotonal /iːkə(ʊ)ˈtəʊn(ə)l/ /ɛkə(ʊ)ˈtəʊn(ə)l/ adjective ... A major characteristic of barrens is the presence of many herbaceous species typical of tallgrass prairie and ecotonal habitats intermediate between prairie and forest. Based on the habitat preference of associated species R. eastmanii prefers the ecotonal habitat between the wet floodplains and the dry uplands. Angaraland equisetopsids are very diverse, especially in the Subangaraland ecotonal belt. Origin Early 20th century: from eco- + Greek tonos 'tension'.
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