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Taxonomical study of deep sea polychaetes and vestimentiterans from Indo-Pacific Ocean

印度-太平洋深海多毛类和前生类的分类学研究

基本信息

批准号：
14540646
负责人：
MIURA Tomoyuki
金额：
$ 2.18万
依托单位：
University of Miyazaki
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2002
资助国家：
日本
起止时间：
2002 至 2004
项目状态：
已结题

项目摘要

Deep sea polychaetes and vestimentiferans collected from Indo-Pacifice areas were taxonomically studies with therie relatives konown from the world-wide areas. The first year was spent to make collections from divers area of the world. The author could dive at Hakuho Knollo in Indian Ocean using DSRV Shinkai 6500. The surveyed area is a part of so-cold Rodriguez Triple Junction, one of the most tectonically active deep sea bottom in Indean Ocean. The landing place of this dive was the rippled sandy bottom at a depth of 2448 m, not far from the kairei field. Then on the way to Kali chimney, we found a chimney called Kissho. We collected animals near this chimney using a slurp gun. Large gastropods and bythograeid crabs(Austinograea rodriguezensis), dead shell of Alviniconhca, were collected, however a serious trouble wasa taken place and could not continue. Then some other specimens of bivalves and gastropods were sampled using manipulator, but without any polychaete specimens. Thus the … More polychaete specimens recored from this deep-sea hydrothermal field were all colledted by the other researchers dives of DSRV. A polynoids polychaete species very close to Pacific one of the genus Branchipolynoe were recored from the area.From off Hatsushima cold seap area in Sagami Bay, we could recored several species of polychaetes, such as Nereis surgaense, Euclymene uncinata, Maldane cristata, Lumbrineris japonica, Eunice mucronata, Paraonides nipponica. On the other hand, in the collection made from Minami Ensei Knoll, Okinawa Trough, I could find an undescribed species of the genus Eunice and prepared a description to submit a scientific journal.On the way of revision of the family Nautileniellidae, I could compare two species supplied by foreign coworkers and found them new to science. Thus Vesicomycola trifurcates was described and the description of the other is now printing.Very recently (, the author could observe vestimentiferans species collected from Brother Caldera, near New Zealand. These species are also recognized as new to science and now on the way of study. Less

本文对采自印度洋-太平洋地区的深海多毛类和深海绿毛类进行了分类学研究，并与世界各地已知的深海多毛类和深海绿毛类近缘种进行了比较。第一年花了从世界各地的潜水员收集。作者可以使用深海深潜船Shinkai 6500在印度洋的Hakuho Knollo潜水。该调查区是如此寒冷的罗德里格斯三重结的一部分，这是印度洋中构造最活跃的深海底部之一。这次潜水的着陆点是2448米深的波纹状桑迪海底，离海雷油田不远。然后在去卡利烟囱的路上，我们发现了一个叫Kissho的烟囱。我们用吸食枪在烟囱附近收集动物。采集到的大型腹足类和蟹类（Austinograea rodriguezensis）是Alviniconhca的死壳，但发生了严重的故障，无法继续。然后用机械手采集了一些双壳类和腹足类标本，但没有采集到多毛类标本。因此 ...更多信息在该深海热液区发现的多毛类动物标本均为深潜救生艇的其他潜水员采集的。在相模湾的初岛外海冷海区，发现沙蚕沙蚕（Nereis surgaense）、钩环真衣（Euclymene uncinata）、鸡冠花（Maleancristata）、日本蚯蚓（Lumbrineris japonica）、尖尾真衣（Eunice mucronata）、日本拟刺茧蜂（Paraonides nipponica）等多种多毛类。另一方面，在冲绳海槽Minami Ensei Knoll收集的标本中，我发现了Eunice属的一个未描述的物种，并准备了描述提交科学杂志。在修订Nautileniellidae科的过程中，我可以比较外国同事提供的两个物种，发现它们是科学上的新物种。因此，Vesicomycolatrifurcates被描述，另一种的描述现在正在印刷中。最近，作者可以观察到从新西兰附近的Brother Caldera收集的vestimentiferans物种。这些物种也被认为是科学上的新物种，现在正在研究中。少