…Also called aquaculture. It is a human attempt to promote the reproduction and growth of aquatic organisms, but it can be used in a broad sense, including aquaculture, or in a narrow sense, excluding aquaculture. Here we will discuss the latter, which is carried out in public waters with the aim of maintaining and increasing fishery resources, and has three pillars: fishery management, environmental improvement, and transplantation and release. It differs from aquaculture in that it relies heavily on natural productivity, the products are harvested by fishing, and the ownership is not determined until then. … *Some of the terminology used in reference to "Ayu Protection Water Surfaces" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…水産増殖ともいう。水産生物の繁殖と成長を助長しようとする人間の試みであるが,養殖を含む広い意味で使われる場合と,養殖を除外した狭い意味で使われる場合とがある。ここでは後者について述べるが,この場合は公共水面において漁業資源の維持・増大を目的として行われるもので,漁業管理,環境改善,移殖・放流の三つを柱とする。そして,自然の生産力に多くを依存し,生産物は漁業によって収穫され,それまでは所有者が決まっていない点などに養殖との相違がみられる。… ※「アユ保護水面」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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