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01 Bulletin of marine sciences and fisheries, Kochi University (高知大学海洋生物研究報告)  12(1992)-25(2007) >

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タイトル: Notes on Gracilaria (Gracilariales, Rhodophyta) from Tosa Bay and adjacent waters I : Gracilaria chorda, Gracilaria gigas and Gracilaria incurvata.
著者: Terada, Ryuta
Ohno, Masao
キーワード: Gracilaria chorda
Gracilaria gigas
Gracilaria incurvata
Gracilariales
Kochi
morphology
Rhodophyta
seaweed
Tosa Bay
雑誌名: Bulletin of Marine Sciences and Fisheries, Kochi University
発行日: 15-Mar-2001
出版者: 高知大学海洋生物教育研究センター
抄録: Three species of Gracilaria (Gracilariales, Rhodophyta): Gracilaria chorda Holmes, Gracilaria gigas Harvey, and Gracilaria incurvata Okamura growing at Tosa Bay and adjacent waters (Kochi Prefecture, Japan) were reported and their characteristic features described. G. chorda as well as G. gigas was founded at Uranouchi Inlet, Tosa City (central Tosa Bay). The morphology of G. chorda varied greatly among the different habitats and seasons. Some young plants collected from April to May had long chord-like appearances without branchlets, while the older plants collected from June to July showed numerous filiform branchlets. However, reproductive organs of these plants agree well with the descriptions by Ohmi (1958) and Yamamoto (1978). Although the old fronds of G. gigas were similar to in shape to the aged plant of G. chorda in terms of vegetative appearance, it differed from the latter in regard to its spermatangial features and the presence of traversing filaments in the cystocarp. G. incurvata was found at Uranouchi Inlet and was also found at Kashiwajima, Ohtsuki town, and at Oh-hama, Tosashimizu City (western Tosa Bay). This species closely resembled G. textorii in regard to its flattened appearance, while the reproductive characteristics of this species also resembled those of the latter. However, a curved or twisted shape was shown only in G. incurvata.
URI: http://hdl.handle.net/10126/4376
出現コレクション:01 Bulletin of marine sciences and fisheries, Kochi University (高知大学海洋生物研究報告)  12(1992)-25(2007)

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