Collapse of the endemic lizard Podarcis pityusensis on the island of Ibiza mediated by an invasive snake
作者机构：Department of ZoologyFaculty of Biological SciencesUniversity of Valenciac/Dr.Moliner50BurjassotE-46100 ValenciaSpain Department of Ecology and Evolutionary BiologyUniversity of MichiganAnn ArborMI 48109USA Laboratoire EcologieSystématiqueConservation de la BiodiversitéFacultédes Sciences de TétouanUniversitéAbdelmalek EssaâdiBP 2121 El M’HannechTétouanMorocco Department of ZoologyFaculty of SciencesGranada UniversityGranada E-18071Spain
出 版 物：《Current Zoology》 (动物学报（英文版）)
年 卷 期：2022年第68卷第3期
页 面：295-303页
核心收录：
学科分类：0710[理学-生物学] 07[理学] 071002[理学-动物学]
基 金：Balearic Government COFIB, (CAP 19-19, SEN-758/19, SEN-991/19) Hunting Service of the Ibiza Island Council environmental officers Service
主 题：Balearic Islands conservation extinction Hemorrhois hippocrepis lizard census
摘 要：The invasive snake Hemorrhois hippocrepis colonized the island of Ibiza(Balearic Islands)in 2003 as stowaways inside trunks of olive trees imported for *** has quickly spread since 2010,posing a threat to the island’s only remaining endemic vertebrate,the Ibiza wall lizard Podarcis *** map the yearly expansion rate of the snake and estimate via transect surveys how severely it affects the distribution and abundance of the endemic *** well,we surveyed 9 of 30 small lizard populations on islets surrounding Ibiza that have been isolated since the Last Glacial *** had invaded 49%of Ibiza’s land area by 2018,and censuses show a critical contrast in lizard abundance between areas with and without snakes;almost all censuses in areas without snakes show lizard presence whereas nearly all censuses in areas with *** lack lizard ***,at least one subspecies previously thriving on one of the offshore islets has become extinct,and there have been several snakes recorded swimming between Ibiza and the surrounding ***,lizard populations have been dramatically reduced or have vanished within the range of the snake,and our results quantitatively support upgrading this species’threat level for *** study can inform to programs to manage invasive snake populations and to conservation actions to recover the endemic lizard.
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