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Geographical Distribution Patterns of the Apiaceae in Sakhalin and the Kuril lslands
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Description
Thirty species of the Apiaceae in Sakhalin (S) and the Kuril Islands (K) were examined on 1,592 specimens deposited in the main Japanese herbaria: KYO, SAPS, SAPT, TI and TNS. The geographical distribution of 27 of these 30 species was determined quantitatively. Ligusticum scoticum (number of specimens: S+K = 190) and Tilingia ajanensis (S+K = 171) represent the two most abundant species of the Apiaceae in these regions. The Sakhalin-Kurils index (S-K index: S-K/S+K) of L. scoticum showed a somewhat negative numerical value, -0.11, and that of T. ajanensis showed an especially negative value, -0.43, meaning a clear distribution bias of the latter species toward the Kurils. However, many Apiaceae species are characterized by positive S-K indices, which means generally a distribution bias toward Sakhalin. An extreme high positive S-K index (+1.00), which means the presence in Sakhalin but the absence in the Kurils, is found in the following six species: Angelica edulis (but only S+K = 1), A. maximowiczii, A. saxatilis, A. ursina (but actually present in Kunashir), Phlojodicarpus villosus and Sphallerocarpus gracilis. An extreme high negative S-K index (-1.00) is found in only one species, Conioselinum filicinum.
Journal
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- Bulletin of the Hokkaido University Museum
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Bulletin of the Hokkaido University Museum 5 1-34, 2009-03
北海道大学総合博物館
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Details 詳細情報について
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- CRID
- 1050282813986292608
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- NII Book ID
- AA11842183
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- HANDLE
- 2115/47871
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- ISSN
- 1348169X
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- Text Lang
- en
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- Article Type
- departmental bulletin paper
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- Data Source
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- IRDB