Mechanisms of bio-diversity in Japanese beech forests by using molecular markets.

利用分子市场研究日本山毛榉林的生物多样性机制。

• 批准号: 15380099
• 负责人: SEIWA Kenji
• 金额: $ 10.37万
• 依托单位: Tohoku University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2003
• 资助国家: 日本
• 起止时间: 2003 至 2004
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-15380099/
• 关键词: species diversity; genetic diversity; Japanese beech; Janzen-Connell hypothesis; Phenology; paternity analysis; microsatelite markers; fragmented forests; 遺伝的多様性; 保残帯; 拡大造林; スギ造林; 実生; 広葉樹天然林; Janzen-Connell仮説; 種子散布; マイクロサテライト; 親子鑑定

1.Janzen-Connell mechanisms were observed in juvenile stages of both species, Fagus crenata and Purunus grayana in a Japanese beech forest.2.In a deciduous broad-leaved forest, we clarified the importance of leaf phenolgy (i.e.timing of leaf emergence) in determining replacement of tree species and species diversity.3.In a primary beech forest, life history strategies of a understorey shrub, Hydrangea paniculata, are strongly affected by the canopy dynamics of overstorey trees, suggesting the co-existence of the species by compensating interactions.4.In a large permanent site (6ha), we found dose relationships between species-diversity and topographic conditions.5.In a primary beech forest, paternity and maternity analysis were conducted to clarify the seed dispersal of each adult trees and mechanisms of genetic diversity of Japanese beech, by using hypervariable microsatelite markers.6.We present a new approach for the identification of the mother trees based on microsatelite analysis of mother tissues from seeds, fruits and seedlings.7.In several fragmented forests of Japanese beech, the genetic diversity (He, Rs, FIS) was not different from that of the control mature forest.

1.在日本山毛榉林中，毛毛榉和灰叶水青冈的幼年期均观察到Janzen-Connell机制（即出叶时间）在决定树种更替和物种多样性中的作用。3.在原始山毛榉林中，4.在一个大的永久性场地（6 ha）中，我们发现了物种多样性与地形条件之间的剂量关系。5.在原始山毛榉林中，通过对日本山毛榉各株成树种子的传播和遗传多样性机制的分析，6.提出了一种基于种子、果实和幼苗母树组织微卫星分析鉴定母树的新方法（He，Rs，FIS）与对照成熟林无差异。

项目成果

Host-specific pathogen attack and spatial patterns of mortality and growth of seedlings and saplings in a temperate tree, Prunus grayana.

温带树李树幼苗和幼苗的宿主特异性病原体攻击以及死亡率和生长的空间模式。

• 发表时间: 2004
• 期刊: Abstract of an International Meeting on Seeds and the Environment, Seed Ecology
• 作者: Seiwa;K.;Y.Miwa;N.Sahashi
• 通讯作者: N.Sahashi

Tree Ecophysiology(T.Koike editor.)(Sexual reproduction(149-175), Seed germination and seedling ecophysiology(175-182))

树木生态生理学（T.Koike主编）（有性生殖（149-175）、种子萌发和幼苗生态生理学（175-182））

• 发表时间: 2004
• 作者: Seiwa;K.
• 通讯作者: K.

Sexual vs. vegetative reproduction in relation to forest dynamics in the understorey shrub, Hydrangea paniculata (Saxifragaceae)

• DOI: 10.1023/b:vege.0000019027.88318.54
• 发表时间: 2004-01-01
• 期刊: PLANT ECOLOGY
• 影响因子: 1.7
• 作者: Kanno, H;Seiwa, K
• 通讯作者: Seiwa, K

冷温帯落葉広葉樹林における地形と樹木種の分布パターンとの関係

寒温带落叶林地形与树种分布格局的关系

• 发表时间: 2004
• 期刊: 複合生態フィールド教育研究センター報告 20
• 作者: 寺原幹生;山崎実希;加納研一;陶山佳久;清和研二
• 通讯作者: 清和研二

Species-specific variation in shoot production patterns of five birch species with respect to vegetative and reproductive shoots

五种桦树的营养芽和生殖芽生产模式的物种特异性差异

• 发表时间: 2005
• 期刊: CANADIAN JOURNAL OF BOTANY 82
• 作者: Ishihara M;Kikuzawa K.
• 通讯作者: Kikuzawa K.