Late Pleistocene hares of the Japanese archipelago: Paleobiogeographic implication at the Last Glacial Maximum

Sawaura Ryohei; Sawada Junmei; Sato Takao; Suzuki Toshihiko; Sasaki Keiichi

摘要

Abstract > The Tsugaru Strait is often referred to as Blakiston's Line in biogeography. Although this strait is thought to have become narrower during the Last Glacial Maximum, it did not close completely to form a land bridge. Sea‐level drawdown associated with cooling nevertheless weakened the influence of the Tsugaru Strait as a barrier to faunal migration. The currently accepted hypothesis is that only some large and highly mobile ungulates were able to migrate to Honshu over this strait to the exclusion of small mammals. However, this remains problematic as very few fossils corroborate this idea, and quantitative identification methods for use with tiny fragments of teeth have not been developed. In this study, we determine which of the species <fc> <fi>Lepus timidus</fi> </fc> (now distributed on Hokkaido and to the north) and <fc> <fi>Lepus brachyurus</fi> </fc> (now mainly distributed on Honshu, Shikoku, and Kyushu) can accurately be identified within a sample of Late Pleistocene <fi>Lepus</fi> sp. fossils recently unearthed from the Shitsukari‐Abe cave to the immediate south of the Tsugaru Strait. This is because we are unable to exclude the possibility that these fossils are referable to <fi>L.?timidus</fi> on the basis of site location alone. Thus, utilising images of mandibular third premolar teeth obtained via microcomputed tomography scanning, we report (a) linear measurements, (b) a survey of the frequency of appearance of nonmetric traits, and (c) principal component analysis using landmark methods. The results show that fossil representatives of the genus <fi>Lepus</fi> can be differentiated from extant <fc> <fi>L.?timidus</fi> </fc> and closely resemble <fi>L.?brachyurus</fi> . Considering the past allopatric distribution of the 2 species suggested by other studies as well as fossil records around the Tsugaru Strait, this result corroborates the existing hypothesis that only large and highly mobile ungulates were able to navigate the Tsugaru Strait. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract XMLNS =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <标题类型=“main”>抽象</ title> > Tsugaru海峡通常被称为Blakiston的生物地理排版。虽然这种海峡被认为在最后的冰川最大值期间变得较窄，但它并没有完全完全达到陆地桥。与冷却相关的海平面绘图仍然削弱了Tsugaru海峡的影响成为群体迁移的障碍。目前已接受的假设是，只有一些大型和高度移动的联合国能够在这个海峡中迁移到Honshu，以排除小型哺乳动物。然而，这仍然有问题，因为很少有化石证实了这个想法，并且没有开发出用于微小牙齿的定量识别方法。在这项研究中，我们确定了哪些物种 <FC> <fi> lepus timidus </ fi> </ FC> （现在分布在北海道和北部）和 <FC> <fi> lepus brachyurus </ fi> </ FC> （现在主要分布在Honshu，Shikoku和Kyushu上）可以在晚熟的样本中准确识别 <fi> lepus </ fi> SP。最近从Shitsukari-Abe洞穴中出土的化石到Tsugaru海峡的南部。这是因为我们无法排除这些化石是可称为的可能性 <fi> l.?timidus </ Fi> 仅在网站地点的基础上。因此，利用通过微型断层扫描获得的下颌第三婚牙的图像，我们报告（a）线性测量，（b）对非金属性状的外观频率的调查，以及使用地标方法的主成分分析。结果表明，化石代表的属 <fi> lepus </ fi> 可以与现存分化 <FC> <fi> l.?timidus </ Fi> </ FC> 并且非常类似于 <fi> l.?brachyurus </ fi> 。考虑到其他研究所提出的2种的过去的分类分布以及Tsugaru海峡周围的化石记录，这一结果证实了现有的假设，只有大型和高度移动的Unoculates能够导航Tsugaru海峡。 </ p> </摘要> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-21570/'>《International journal of osteoarchaeology》</a> <b style="margin: 0 2px;">|</b><span>2018年第2期</span><b style="margin: 0 2px;">|</b><span>共9页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sawaura Ryohei&option=202" target="_blank" rel="nofollow">Sawaura Ryohei;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sawada Junmei&option=202" target="_blank" rel="nofollow">Sawada Junmei;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sato Takao&option=202" target="_blank" rel="nofollow">Sato Takao;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Suzuki Toshihiko&option=202" target="_blank" rel="nofollow">Suzuki Toshihiko;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sasaki Keiichi&option=202" target="_blank" rel="nofollow">Sasaki Keiichi;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Department of Geology and PaleontologyNational Museum of Nature and ScienceTsukuba Japan;</p> <p>Department of Physical Therapy Faculty of Medical TechnologyNiigata University of Health and WelfareNiigata Japan;</p> <p>Department of Archaeology and Ethnology Faculty of LettersKeio UniversityTokyo Japan;</p> <p>Division of Dental and Digital Forensics Graduate School of DentistryTohoku UniversitySendai Japan;</p> <p>Division of Dental and Digital Forensics Graduate School of DentistryTohoku UniversitySendai Japan;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/140.html" title="文物考古">文物考古;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Blakiston's Line&option=203" rel="nofollow">Blakiston's Line;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=genus Lepus&option=203" rel="nofollow">genus Lepus;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=geometric morphometrics&option=203" rel="nofollow">geometric morphometrics;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=mandibular third premolar&option=203" rel="nofollow">mandibular third premolar;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=microcomputed tomography&option=203" rel="nofollow">microcomputed tomography;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Paleolithic site&option=203" rel="nofollow">Paleolithic site;</a> </p> <div class="translation"> 机译：Blakiston的线;Lepus属;几何形态化学;下颌第三掠夺;微锁定断层扫描;旧石器时代的网站; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704023047976.html">Late Pleistocene hares of the Japanese archipelago: Paleobiogeographic implication at the Last Glacial Maximum</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sawaura Ryohei&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Sawaura Ryohei,</a> <a 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class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：使用冰河水及其提取物进行提取的方法，以及包含囊化或冰河水提取物的化妆品组合物。 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704023047976','4',7,2,1,'',this,24)" class="delivery" prompt="010401" title="通过人工服务将文献原文发送至邮箱" >获取原文</div> <div class="journalsub-pop-up" style="display: none"> <div class="journal-sub"> <h2>期刊订阅</h2> <img src="https://cdn.zhangqiaokeyan.com/img/loginclose.png" alt="关闭" onclick="$('.journalsub-pop-up').hide()"> <p 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