Coral reef (English spelling)

Japanese: サンゴ礁(珊瑚礁) - さんごしょう(英語表記)coral reef
Coral reef (English spelling)
This refers to a topography in which reef limestone, formed by the accumulation and solidification of reef-building organisms, rises from the seafloor to the low tide level or close to it, creating a wave-breaking structure. The majority of reef-building organisms are reef-building corals, which have skeletons that can withstand strong waves due to the active secretion of calcium carbonate, and are known as scleractinian corals, including the Acropora, Acanthocorallia, Porites, and Pectinidae families. All of these belong to the same family as sea anemones, the Coelenterata. Other species include calcareous algae, sponges, and foraminifera.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:
造礁生物が集積・固結してできた礁石灰岩が,低潮位面またはそれに近い位置にまで海底から高まり,防波構造をつくっている地形をいう。造礁生物の主体は,活発な炭酸カルシウムの分泌により,強い波にも抵抗しうる骨格をもった造礁サンゴで,ミドリイシ科,キクメイシ科,ハマサンゴ科,クサビライシ科などイシサンゴと呼ばれるものである。これらはどれもイソギンチャクなどと同じ腔腸動物に含まれる。その他石灰藻類や海綿類や有孔虫類などがある。

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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