Succession of Biotic Community on an Artificial Reef in the Coast of Lake Nakaumi, Brackish Water, Shimane, Japan.

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概要

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• The artificial reef of concrete blocks was placed on the sandy silt bottom about 4 m in depth on the coast of the brackish Lake Nakaumi.<BR>A successional survey of animals and plants was carried out on the artificial reef for about two years. Seaweeds have not grown well without <I>Ulva</I> sp. and smaller species during the survey period. Balanus spp. dominated on the artificial reef past three months. Afterward, <I>Mytilus edulis</I> increased and dominated twelve months later. In summer, they died all together. The main animals on the artificial reef were <I>B.</I> spp., <I>M. edulis, Limnoperna fortunei</I>, and <I>Anomia chinensis</I>, which were common species in Lake Nakaumi. The biomass was 24124.5g wet weight/m<SUP>2</SUP> nineteen months later, and after that it had decreased. Brackish fishes gathered to the artificial reef in summer.

• 日本水産増殖学会の論文

日本水産増殖学会 | 論文

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