| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for efficiently producing a marine alga of the family Laminariaceae usable as a feed for fish and shellfish such as abalone or Turbo cornutus and a resource for a chemical raw material. SOLUTION: Immatures of Ecklonia stolonifera belonging to the genus Laminariales of the family Laminariaceae deposited on a culture net 6 are raised in fixed culture facilities until the immatures become adults. The culture net 6 is pulled up on the sea. Foliate parts 11 are reaped with leaving creeping root parts 13 of Ecklonia stolonifera and used as a resource marine alga. When the culture net 6 from which the foliate parts 11 are reaped is returned to the sea, foliate parts 11 are reproduced after the lapse of a fixed period and the foliate parts 11 can be repeatedly collected.
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