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首页> 外文期刊>植物研究雑誌 >Confirmation of Myrmecochory in the Endangered Sedge Carex ciliatomarginata (Cyperaceae): Disperser Ants and Dispersal Distance
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Confirmation of Myrmecochory in the Endangered Sedge Carex ciliatomarginata (Cyperaceae): Disperser Ants and Dispersal Distance

机译：确认濒临灭绝的莎草Carex Ciliatomarata（Cypetaceae）中的myrmecochory：Disperser蚂蚁和分散距离

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摘要

The genus Carex (Cyperaceae) consists of approximately 2,000 species worldwide and nearly 300 species in Japan. Although most Carex species are barochorous, some are myrmecochorous and dispersal ants have been surveyed in approximately 20 species so far. In the genus, Siderostictae is thought to be myrmecochorous, but dispersal ants have not yet been identified. Carex ciliatomarginata Nakai is an endangered sedge species belonging to Siderostictae. In this study, we conducted field surveys of dispersal mode and dispersal ants associated with C. ciliatomarginata on Mt. Hinokuma, Saga, northern Kyushu, Japan. As a result, C. ciliatomarginata is confirmed to be a myrmecochorous species because nearly one-third of diaspores were removed by ants within10minutes. Dominant disperser ants were Pheidole noda Smith and Paratrechina flavipes (Smith), and their mean diaspore dispersal distances were 70.8 cm and 10.6 cm, respectively. Diaspore dispersal distance by P. flavipes might be too short and may negatively affect the fitness of C. ciliatomarginata because fruiting individuals of C. ciliatomarginata were distributed approximately 50 cm apart from each other in the field.
机译：Carex（Cypetaceae）属于全球约2,000种物种，日本近300种。虽然大多数Carex物种是酸的，但其中一些是MyRmeCoonochoro和Disperal Ants已经在大约20种的调查到目前为止。在该属中，Siderostictae被认为是MyRmeCoonochor，但尚未确定分散蚂蚁。 Carex Ciliatomarginata Nakai是一种属于Siderostictae的濒危莎草物种。在这项研究中，我们对MT.Hinokuma，Saga，北九州，日本北部的C.Ciliatomarginata进行了与C.Ciliatomarginata相关的分散模式和分散蚂蚁的现场调查。结果，C.Ciliatomarginata被证实是一种myrmechochor型物种，因为在10分钟内通过蚂蚁除去近三分之一的缺水剂。优势分散器蚂蚁是Pheidole Noda Smith和Paratrechina Flavipes（Smith），它们的平均二孔分散距离分别为70.8cm和10.6cm。 P.Plavipes的二血态分散距离可能太短，可能对C.Ciliatomarginata的适应性产生负面影响，因为C.Ciliatomarginata的果实中的果实分布在该领域中的约50厘米。

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