… Fish reefs are found on the continental shelf and offshore, isolated from the continental shelf. Based on their origin, they are divided into structural and volcanic reefs, but there are also coral reefs. Volcanic reefs are found in shallow waters scattered throughout the volcanic belt, and include undersea volcanoes that erupt onto the seafloor and do not reach the surface, and volcanic islands that were above sea level but have since been submerged by marine erosion or subsidence. … *Some of the terminology that refers to "volcanic reefs" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 魚礁は大陸棚上にあるものと大陸棚を離れて孤立する沖合部のものとがある。また成因からは構造性魚礁と火山性魚礁が区別されるが,このほかにサンゴ礁がある。火山性魚礁には火山帯に散在する浅瀬で,海底に噴き出して海面に達しない海底火山と,海上にあった火山島が海食あるいは陥没などによって頂部が水面下に没したものとがある。… ※「火山性魚礁」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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