大洋洲帕劳群岛(贝劳共和国)爬虫动物群清单

IF 1.1 2区 生物学 Q3 ZOOLOGY
R. Crombie, G. Pregill
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引用次数: 88

摘要

密克罗尼西亚西部的帕劳群岛是太平洋上地形最多变的群岛之一。大约有350个火山和珊瑚起源的岛屿,从占地333平方公里(约占帕劳总陆地面积的80%)的巴别尔道布岛到其他面积不到一公顷的未命名岛屿。大堡礁环绕着群岛的大部分,形成了一个宽达20公里的泻湖。大多数岛屿无人居住,只有在涨潮时乘船才能到达,陡峭的岩石地形上植被茂密。由于靠近菲律宾、新几内亚、摩鹿加群岛和婆罗洲,帕劳群岛拥有比东部其他太平洋岛屿更丰富的爬虫动物群和更独特的分类群。然而,与大多数其他太平洋岛屿群一样,对爬虫动物群的记录很少。自19世纪开始的最早调查以来,帕劳的爬虫动物群已经被零零碎碎地发现。在1992年我们开始对这些岛屿进行系统调查之前,没有进行持续的实地工作。从那时起,我们每年每个月至少在帕劳收集一次。这份包含46种爬行动物和两栖动物的清单所包含的分类群几乎是我们研究开始时帕劳已知分类群的两倍(Owen, 1977)。在帕劳岛记录的新种有Gehyra、Hemiphyllodactylus、Lepidodactylus、Nactus、Perochirus、Emoia和Sphenomorphus。由于调查这么多岛屿的困难,我们相信还有更多的分类群和分布记录有待发现;即使是帕劳最小的岛屿也能给你带来惊喜。尽管如此,对这种有趣的动物群和环境的现有了解还是有必要加以巩固的。我们对以前的收集工作进行了历史总结,概述了岛屿的地质和栖息地,并为每个物种的描述提供了分布信息、分类和系统讨论、自然历史观察和综合参考书目。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Checklist of the Herpetofauna of the Palau Islands (Republic of Belau), Oceania
The Palau islands of western Micronesia comprise one of the most physiographically varied archipelagos in the Pacific. There are some 350 islands of volcanic and coralline origin that range from Babeldaob at 333 km2 (about 80% of Palau's total land area) to others, unnamed, that are less than one hectare. A barrier reef encircles most of the archipelago creating a lagoon up to 20 km wide. The majority of the islands are uninhabited, accessible with difficulty only by boat at high tide, and are densely vegetated over steep, rocky terrain. Because of their proximity to the Philippines, New Guinea, the Moluccas, and Borneo, the Palau islands host a significantly richer herpetofauna with more unique taxa than is found on other Pacific islands to the east. As with most other Pacific island groups, however, the herpetofauna has been poorly documented. Since the earliest investigations that began in the nineteen century, Palau's herpetofauna has been uncovered piecemeal. No sustained field effort had been conducted until we began a systematic survey of the islands in 1992. Since then we have collected in Palau every month of the year at least once. This checklist of 46 species of reptiles and amphibians includes almost twice as many taxa as were known from Palau (Owen, 1977) at the beginning of our study. Among these are new species or Palauan records of Gehyra, Hemiphyllodactylus, Lepidodactylus, Nactus, Perochirus, Emoia and Sphenomorphus. Because of the difficulties in surveying so many islands we believe that additional taxa and distributional records await discovery; even the smallest island in Palau can turn up surprises. Nonetheless, it is appropriate to consolidate what is now known about this intriguing fauna and environment. We provide an historical summary of previous collecting efforts, an overview of the islands' geology and habitats, and for each species account we include distributional information, taxonomic and systematic discussion, natural history observations, and a comprehensive bibliography.
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来源期刊
Herpetological Monographs
Herpetological Monographs 生物-动物学
CiteScore
5.40
自引率
0.00%
发文量
2
审稿时长
>12 weeks
期刊介绍: Since 1982, Herpetological Monographs has been dedicated to original research about the biology, diversity, systematics and evolution of amphibians and reptiles. Herpetological Monographs is published annually as a supplement to Herpetologica and contains long research papers, manuscripts and special symposia that synthesize the latest scientific discoveries.
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