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  1. B300 農学部/生命農学研究科
  2. B300a 雑誌掲載論文
  3. 学術雑誌

Pollen dispersal patterns and population persistence in a small isolated population of Fagus crenata

http://hdl.handle.net/2237/25109
http://hdl.handle.net/2237/25109
1c5ac900-3a5a-4a11-b953-fd06590a4964
名前 / ファイル ライセンス アクション
inanaga_TGG6.pdf inanaga_TGG6.pdf ファイル公開:2017/08/01 (1.1 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2016-11-25
タイトル
タイトル Pollen dispersal patterns and population persistence in a small isolated population of Fagus crenata
言語 en
著者 Inanaga, Michiko

× Inanaga, Michiko

WEKO 67530

en Inanaga, Michiko

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Koyama, Yasuhiro

× Koyama, Yasuhiro

WEKO 67531

en Koyama, Yasuhiro

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Ida, Hideyuki

× Ida, Hideyuki

WEKO 67532

en Ida, Hideyuki

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Okada, Mitsuhiro

× Okada, Mitsuhiro

WEKO 67533

en Okada, Mitsuhiro

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Nakanishi, Atsushi

× Nakanishi, Atsushi

WEKO 67534

en Nakanishi, Atsushi

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Takahashi, Makoto

× Takahashi, Makoto

WEKO 67535

en Takahashi, Makoto

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Tomaru, Nobuhiro

× Tomaru, Nobuhiro

WEKO 67536

en Tomaru, Nobuhiro

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 The final publication is available at Springer via http://doi.org/10.1007/s11295-016-1026-7
キーワード
主題Scheme Other
主題 Genetic drift
キーワード
主題Scheme Other
主題 Habitat fragmentation
キーワード
主題Scheme Other
主題 Inbreeding
キーワード
主題Scheme Other
主題 Long-distance pollen dispersal
キーワード
主題Scheme Other
主題 Pollen limitation
キーワード
主題Scheme Other
主題 Population admixture
抄録
内容記述タイプ Abstract
内容記述 The potential of long-distance pollen dispersal and the effects of small population size and population isolation on persistence of Fagus crenata populations were investigated in a small, severely isolated population (the Gofuku-ji population) and two other populations located within 7 km of this population (including 87 adult trees in total). Parentage analysis using 13 microsatellite loci showed that 94 of 100 seedlings derived from seeds collected from the Gofuku-ji population had parent pairs within this population, six had one parent within the population, and four of the six seedlings had alleles that were not detected in any of the three populations, indicating that some pollen is dispersed over distances exceeding 7 km. The estimated expected heterozygosity and effective population size were lower in the Gofuku-ji population than in previously examined large continuous populations. Therefore, levels of genetic diversity within the population may have been reduced by strong genetic drift and limitations of pollen- and seed-mediated gene flow associated with the small size and severe isolation. The contemporary mating pattern estimated at the seedling stage was biased toward outbreeding, which may be explained by possible processes: the level of inbreeding in the adult trees is increased; then, inbreeding frequently occurs but is rarely successful, while outbreeding successfully produces offspring. Additionally, high levels of significant linkage disequilibrium and higher numbers of alleles than expected under mutation–drift equilibrium from analyses of the populations’ evolutionary history suggest that the Gofuku-ji population may have experienced admixture before its severe isolation. Therefore, the persistence of the Gofuku-ji population is being adversely affected by the decrease in population size and severe isolation. Further studies of gene flow via pollen in other populations with various degrees of isolation could enhance our understanding of the effects of population isolation and long-distance pollen dispersal in F. crenata and similar species.
言語 en
出版者
出版者 Springer
言語 en
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1007/s11295-016-1026-7
ISSN
収録物識別子タイプ PISSN
収録物識別子 1614-2942
書誌情報 en : Tree Genetics & Genomes

巻 12, p. 69-69, 発行日 2016-08
著者版フラグ
値 author
URI
識別子 http://doi.org/10.1007/s11295-016-1026-7
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/25109
識別子タイプ HDL
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