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首页> 外文期刊>Journal of Human Ecology >VASCULAR PLANT SPECIES DIVERSITY, BIOGEOGRAPHY AND VULNERABILITY IN THE AEGEAN ISLANDS AS EXEMPLIFIED BY EVVIA ISLAND (W AEGEAN, GREECE)
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VASCULAR PLANT SPECIES DIVERSITY, BIOGEOGRAPHY AND VULNERABILITY IN THE AEGEAN ISLANDS AS EXEMPLIFIED BY EVVIA ISLAND (W AEGEAN, GREECE)

机译:EVVIA ISLAND(W AEGEAN,希腊)所体现的爱琴岛上的植物群落物种多样性,生物地理和脆弱性

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摘要

Species-area relationships for 31 Aegean islands with well-known flora were studied. The area alone explains almost 95% of variance in the floristic richness observed, and the Evvia Island belongs to the group of species-rich islands. Its vascular flora consists of 1837 taxa (species and subspecies) in 638 genera and 131 families, of which 40 taxa are locally endemic, and 135 are Greek endemics. The phytogeographical connections of the island are stronger with the phytogeographical regions of Sterea Ellas, Peloponnisos, East Central and Kiklades. Classification of the endemic species into IUCN-threatened categories is also provided. Threat is strongly clumped across habitats. Maritime and low altitude habitats are most-threatened, particularly maritime marshes, sands and rocks. Low competition and specialized habitats with low disturbance and high stress level are the main factors correlated to the abundance of endemic taxa on Evvia, as it is indicated by the dominance of stress-tolerators in the endemic flora.
机译:研究了31个爱琴海岛屿与植物区系之间的物种-面积关系。仅该地区就能解释近乎95%的植物区系差异,而Evvia岛属于物种丰富的岛群。它的维管菌群由638个属和131个科的1837个分类单元(物种和亚种)组成,其中40个分类单元是本地特有的,而135个是希腊特有的。与Sterea Ellas,Peloponnisos,East Central和Kiklades的植物地理区域相比,该岛的植物地理连接更加牢固。还提供了将特有物种分类为受IUCN威胁的类别。威胁在各个栖息地之间都非常集中。海上和低海拔栖息地受到的威胁最大,特别是海上沼泽,沙滩和岩石。低竞争和低干扰,高胁迫水平的专门生境是与Evvia特有生物类群丰富相关的主要因素,这是由特有植物中的耐性优势所表明的。

著录项

  • 来源
    《Journal of Human Ecology》 |2008年第1期|48-57|共10页
  • 作者单位

    National Agricultural Research Foundation (N.AG.RE.F.), Forest Research Institute, Terma Alkmanos Str., Ilisia, 11528 Athens, Greece;

    Division of Plant Biology, Department of Biology, University of Patras, 26500 Patras, Greece;

    Department of Environmental and Natural Resources Management, University of Ioannina, Seferi 2, 30100 Agrinio, Greece;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    endemism; habitat vulnerability; island flora; threatened species;

    机译:地方性生境脆弱性;岛屿植物群濒危物种;

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