| 西沙群岛钙扇藻属的几个新种 |
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| 引用本文： | 曾呈奎,董美龄.西沙群岛钙扇藻属的几个新种[J].海洋科学集刊,1975(10):1-19. |
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| 作者姓名： | 曾呈奎 董美龄 |
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| 作者单位： | 中国科学院海洋研究所 |
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| 基金项目： | 中国科学院海洋研究所调查研究报告第338号 |
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| 摘 要： | 钙扇藻属(Udotea)植物广为分布于热带海洋，特别盛产于珊瑚礁上。绝大多数种类的分布具有很大的海区局限性，例如，一般的大西洋种类(除了个别例外)不产于印度-西太平洋海区，反过来也一样。与它们的广泛热带分布相反，对其分类研究工作做的却很少。自从1911年Gepp等对这个属进行了系统分类，报道了15种；六十几年来，只增添了一个新种和一个新变种，还没有任何藻类工作者对这属的系统分类进行研究。除Gepp等报道了它们的内部结构以外，其他藻类工作者仅简略地描述了外部形态和一些藻丝的情况。
1957年和1958年，中国科学院海洋研究所曾派调查组到我国西沙群岛进行海藻调查时，采集了113号标本。经过我们的初步分析研究，西沙群岛的钙扇藻属的区系是非常丰富的。本文所报道的六个新种，仅只是西沙群岛钙扇藻区系的一部分。所用标本，包括模式标本都保存在中国科学院海洋研究所植物标本室。
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| 关 键 词： | 西沙群岛 钙扇藻属 |
Some New Species of Udotea from the Xisha Islands, Guangdong Province, China |
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| C. K. TSENG,M.L.Dong.Some New Species of Udotea from the Xisha Islands, Guangdong Province, China[J].Studia Marina Sinica,1975(10):1-19. |
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| Authors: | C K TSENG MLDong |
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| Institution: | Institute of Oceanology, Academia Sinica |
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| Abstract: | The siphonaceous genus Udotea is a group of widely distributed tropical algae, although one species extend its distribution to subtropical regions. Since the monographic study of this genus by A. and E. S. Gepp in 1911, only new species ( U. sublittoralis Taylor 1928) and one new variety (U. palmetta var. marshallensis Dawson,1957) have been added to the genus. Gilbert (1962) described from Hawaii Udotea (?) abbreviate Gilb. which is, however, non-calcified and Flabbelaria in structure, and is better transferred to that genus, becoming F.abbreviata comb.nov.
In April to May, 1957 and March to June 1958, the Institute of Oceanology, Academia Sinica, sent two collecting groups to the Xisha Islands of the Guangdong Province, these being coral islands in the central South China Sea, and 113 nos. of Udotea spp. were collected. A preliminary analysis of these specimens showed that the Xisha Udotea flora is very rich, and the six new species described in this paper are only a part of it. The specimens studied including the type specimen are all deposited in the harbarium of the Institute of Oceanology, Academia Sinica at Qingdao. |
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