...(1) Throwing stones There are two types of stone throwing: one is to increase the surface area where kelp, wakame, and tengusa seaweed can attach, and the other is to create a habitat for invertebrates such as spiny lobsters, sea urchins, and sea cucumbers. The location, time, materials, and quantity are determined according to the type of organism. (2) Blasting rocks This is done to remove weeds that prevent useful algae from attaching, and to create new surfaces for them to attach. (3) Rock cleaning There are two types of stone throwing: one is to remove weeds that grow between useful algae to promote the growth of useful species, and the other is to remove existing attached organisms to create new surfaces for them to attach. ... *Some of the terminology used to refer to "reef blasting" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…(1)投石 コンブ,ワカメ,テングサなど藻類の付着面を増すことを目的とする場合と,イセエビ,ウニ,ナマコなど無脊椎動物の生育場所を造ることを目的とする場合とがあり,それぞれの生物種に応じて,場所,時期,材料,数量などが決められる。(2)岩礁爆破 有用藻類の着生を妨げる雑藻を除去したり,新しい着生面を造り出すために行われる。(3)磯掃除 有用藻類の間に生えている雑藻を除去して有用種の生育を促すことを目的とする場合と,既存の付着生物を取り除いて新しい着生面を造成することを目的とする場合がある。… ※「岩礁爆破」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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