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Composition of both spermatophyte and pteridophyte flora of a relict Alsophila spinulosa community in Wutongqiao Nature Reserve of Leshan region was discussed. It shows the proportion of Tropic and Cathaysia elements in both spermatophyte flora and pteridophyte flora was almost 2/3 of the total at the genus level, and even more at the family level. There was a distinct ancient endemism phenomenon in spermatophyte flora, owning to being 8 relict and remnant endemism genera in the total of 9. Furthermore, the proportion of Tropic and Cathaysia elements both at family and genus level in the pteridophyte flora were much greater.
选以乐山五通桥桫椤自然保护区-桫椤群落的种子植物区系与蕨类植物区系组成为研究对象,发现种子植物区系在属的水平上热带成分与古华夏成分占到近2/3,在科的水平上则更高;种子植物区系中有9个中国特有属,其中8个为残遗或原始类型的古特有属,表现出典型的古特有现象;而在蕨类植物区系中热带成分和华夏成分所占比重更大。
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The 134 genera of vascular plants had 14 areal-types, including 42 cosmopolitans 55 temperate types 30 tropic types 2 Mediterranean-types, 2 East Asia types and 1 endemic species. The cosmopolitan and temperate type accounted for 31.34% and 41.04% of all the genera, respectively revealing the azonal feature of the wetland vegetations and the influences of cold and wet climate on the formation and distribution of the vegetations.
维管束植物属有14个地理分布区类型,包括世界分布属42属、温带分布属55属、热带分布属30属、古地中海属2属、东亚分布属4属、中国特有分布属1属,其中世界分布属和温带分布属分别占区系维管束植物总属数的比例较高,分别为31.34%和41.04%反映了湿地植被的隐域性和冷湿气候对湿地植被发育、分布的影响。
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There are several different schemes of biogeographical regions, but the most widely recognized are: Boreal (northern Eurasia and North America), paleographical Africa and southeast Asia as far as New Guinea, Neotropical (South America, except the far south), Australasian, Cape, and Antarctic(New Zealand and southern South America).
有以下几个不同的生物地理区被人们所普遍公认:泛北区,古热带区(非洲和东南亚直到新几内亚),新热带区,澳大利亚去,开普区和南极区。
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palaestra:角力学校/体育场
palaeotropical /古热带区的/ | palaestra /角力学校/体育场/ | palagonite /橙玄玻璃/
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Nearctic realm:新北界
1876年,英国著名的博物学家、进化论的泰斗华莱士和达尔文都肯定了六大区划分的正确性,并提出了一些修改,形成六大动物地理区,这六大动物地理区为: 古北界 (Palaearctic realm)、 新北界 (Nearctic realm)、 新热带界 (Neotropical realm)
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Neotropical realm:新热带界
1876年,英国著名的博物学家、进化论的泰斗华莱士和达尔文都肯定了六大区划分的正确性,并提出了一些修改,形成六大动物地理区,这六大动物地理区为: 古北界 (Palaearctic realm)、 新北界 (Nearctic realm)、 新热带界 (Neotropical realm)、 旧热带界 (E
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Palaearctic realm:古北界
1876年,英国著名的博物学家、进化论的泰斗华莱士和达尔文都肯定了六大区划分的正确性,并提出了一些修改,形成六大动物地理区,这六大动物地理区为: 古北界 (Palaearctic realm)、 新北界 (Nearctic realm)、 新热带界 (Neotropical realm)、
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palaeotheriodont:古兽齿
palaeotectonics 古地质构造学 | palaeotheriodont 古兽齿 | palaeotropical 古热带区的
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palaeotropical:古热带区的
palaeoslope /古斜坡/ | palaeotropical /古热带区的/ | palaestra /角力学校/体育场/
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paleotropical:古热带区的
paleotopography /古地形/ | paleotropical /古热带区的/ | paleovolcanic /古火山的/
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paleotropical region:古热带区
paleotemperature 古温度 | paleotropical region 古热带区 | paleotypal 古相的