…And two species of herons that live on the same beach and eat different sizes of fish have the same habitat but different foods. This is sometimes called food segregation, but as mentioned above, it is not possible to draw a clear line between this and habitat segregation. Because of examples like this, the concept of habitat segregation, which is originally between closely related species, has been extended to apply to species that are not closely related, and the term is often used to describe the food segregation of giraffes, antelopes, and rhinos. *Some explanations of terms that refer to "food segregation" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…そして,同一の海岸で大きさの異なる魚を食べる2種のサギでは,生息環境はまったく同一で食物だけが異なっている。このような場合を〈食いわけfood segregation〉と呼ぶこともあるが,上記のようにそれとすみわけとの間にはっきりした線を引くことはできない。このような例があるために,本来は近縁種間についてのすみわけ(食いわけ)概念が,近縁でない種の間にまで拡張して適用され,キリン,アンテロープ,サイの〈食いわけ〉といった用法もしばしば見られる。… ※「food segregation」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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