Germination ecology of aquatic plants : Toward the regime shift to conservationary sound ecosystems
水生植物的萌发生态学:向保护性良好生态系统转变
基本信息
- 批准号:19710198
- 负责人:
- 金额:$ 2.27万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Young Scientists (B)
- 财政年份:2007
- 资助国家:日本
- 起止时间:2007 至 2009
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
(1) Restoration of a sustainable of endangered aquatic plant ; A model study on Nymphoides peltata in Lake Kasumigaura.Several theoretically expected issues, such as sudden extinction of small populations with low genetic diversity, limited seed production in small-sized local populations, and significantly high heterozygosity in adults that have survived environmental change, were ascertained through integrated studies on demography with discrimination of genets and genetics using highly polymorphic genetic markers. Investigation of genetic properties of the remnant soil seed bank suggested that the seed bank could potentially restore genetic diversity, although the fitness reduction of seed banks caused by inbreeding could affect the success of restoration. As a result of restoration efforts, increases in the number of local populations and genets in the Lake Kasumigaura metapopulation have led to population recovery.2) Restoration of lakeshore vegetation : Studies and practices in L … More ake KasumigauraRecovery of lost or degraded vegetation and plant diversity is an important but often difficult step in the wetland restoration processes. At Lake Kasumigaura, Japan, a project was launched in 2002 to recover lakeshore vegetation using soil seed banks as the plant material. In this project, lake sediments containing soil seed banks were spread thinly (~10 cm) on the surfaces of artificial lakeshores with microtopographic variations, which were constructed in front of the concrete levees. In total 180 species, including six endangered or vulnerable plants and twelve native submerged plants that had disappeared from the above-ground vegetation of the lake, were recorded on five restored lakeshores (totally 65,200 m2) during the first year of the restoration project. The distribution of each recolonized species suggested the importance of arrangement of ground height for restoration of species-rich lakeshore vegetation. Foreseen changes in the vegetation, such as the disappearance of disturbance-dependent species from the above ground vegetation, replacement of submerged-plant dominated vegetation by Typha-dominated plants, and the invasion of the invasive exotic, Solidago altissima, were recognized in the early stages of monitoring at the restored sites. Vegetation management including selective removal of the invasive exotics started as a collaborative activity among citizens, government and researchers. Less
(1)濒危水生植物的可持续恢复;Kasumigaura湖水仙的模式研究。通过使用高度多态的遗传标记进行人口学和遗传学区分的综合研究,确定了几个理论上预期的问题,如低遗传多样性的小种群突然灭绝,当地小种群的种子产量有限,以及在环境变化中幸存下来的成虫的显著高杂合度。对残存土壤种子库遗传特性的调查表明,种子库有可能恢复遗传多样性,尽管近亲交配导致种子库的适合度降低可能影响恢复的成功。由于恢复努力的结果,当地种群数量的增加和鹿儿湖集合种群的基因已经导致了种群的恢复。2)湖岸植被的恢复:L…的研究和实践恢复丧失或退化的植被和植物多样性是湿地恢复过程中的一个重要但往往困难的步骤。在日本鹿儿湖,2002年启动了一个利用土壤种子库作为植物材料恢复湖岸植被的项目。在该工程中,将含有土壤种子库的湖泊沉积物薄薄地(~10 cm)散布在混凝土堤前建造的微地形变化的人工湖表面上。在修复项目的第一年,在5个恢复的湖泊(总计65,200平方米)上记录了总共180种物种,包括6种濒危或脆弱植物和12种从湖上植被中消失的本土沉水植物。每个重新定居物种的分布表明,地高的安排对物种丰富的湖滨植被恢复具有重要意义。在恢复地点监测的早期阶段,可预见的植被变化,如依赖干扰的物种从地上植被中消失,沉水植物为主的植被被香蒲为主的植物取代,以及外来入侵植物一枝黄花的入侵。植被管理,包括选择性地清除外来入侵物质,最初是公民、政府和研究人员之间的一项合作活动。较少
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
群馬県鳴神山における絶滅危惧植物カッコソウの個体群再生に向けた取り組みとそれにより明らかになった種特性及び生育環境
群马县成神山濒危植物花草种群的再生工作以及由此揭示的物种特征和生长环境
- DOI:
- 发表时间:2009
- 期刊:
- 影响因子:0
- 作者:大谷雅人;西廣淳;寺内浩;寺内優美子;鷲谷いづみ
- 通讯作者:鷲谷いづみ
湖の水位変動の季節性と植物の生活史
湖泊水位波动的季节性和植物生活史
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Nishihiro;J.;西廣淳;大谷雅人・石濱史子・西廣淳;西廣淳;一瀬克久・石井潤・西廣淳・鷲谷いづみ;石井潤・橋本瑠美子・西廣淳・鷲谷いづみ;池上佑里・西廣淳・鷲谷いづみ;岡本実希・赤坂宗光・中川惠・西廣淳・高村典子;大谷雅人・石濱史子・西廣淳;西廣淳;一瀬克久・石井潤・西廣淳・鷲谷いつみ;岡本実希・赤坂宗光・中川恵・西廣淳・高村典子;西廣淳;西廣淳;岡本実希・西廣淳・赤坂宗光・中川惠・佐治あずみ・高村典子;野副健司・西廣淳・鷲谷いづみ;西廣淳
- 通讯作者:西廣淳
レッドリスト(植物I)での評価における課題
红色名录(一类植物)评价中的问题
- DOI:
- 发表时间:2008
- 期刊:
- 影响因子:0
- 作者:Nishihiro;J.;西廣淳;大谷雅人・石濱史子・西廣淳;西廣淳;一瀬克久・石井潤・西廣淳・鷲谷いづみ;石井潤・橋本瑠美子・西廣淳・鷲谷いづみ;池上佑里・西廣淳・鷲谷いづみ;岡本実希・赤坂宗光・中川惠・西廣淳・高村典子;大谷雅人・石濱史子・西廣淳;西廣淳;一瀬克久・石井潤・西廣淳・鷲谷いつみ;岡本実希・赤坂宗光・中川恵・西廣淳・高村典子;西廣淳;西廣淳;岡本実希・西廣淳・赤坂宗光・中川惠・佐治あずみ・高村典子;野副健司・西廣淳・鷲谷いづみ;西廣淳;西廣淳
- 通讯作者:西廣淳
Effects of submerged plants on water quality and biota in large-scale experimental ponds
大型实验池塘沉水植物对水质和生物群的影响
- DOI:
- 发表时间:2007
- 期刊:
- 影响因子:0
- 作者:Nakamura,K.;Kayaba,Y.;Nishihiro,J. and Takamura;N
- 通讯作者:N
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NISHIHIRO Jun其他文献
The regeneration of submergent macrophytes from propagule banks with the aid of Biomanipulation in the littoral zone of Lake Kasumigaura.
霞浦湖沿岸地区借助生物操作从繁殖体库中再生沉水植物。
- DOI:
- 发表时间:
2003 - 期刊:
- 影响因子:0
- 作者:
YUKI Hideo;TAKAMURA Noriko;NISHIHIRO Jun;NAKAMURA Keigo - 通讯作者:
NAKAMURA Keigo
バイオマニュビュレーション-隔離水介を用いたアオコの制御と生態系の回復力の評価(島谷幸宏・細見正明・中村圭吾編)
生物操纵 - 利用封存控制蓝绿藻和评估生态系统恢复力(由 Yukihiro Shimatani、Masaaki Hosomi 和 Keigo Nakamura 编辑)
- DOI:
- 发表时间:
2003 - 期刊:
- 影响因子:0
- 作者:
YUKI Hideo;TAKAMURA Noriko;NISHIHIRO Jun;NAKAMURA Keigo;高村典子 - 通讯作者:
高村典子
Isolation and characterization of oxygen-evolving photosystem II complexes retaining the PsbO, P and Q proteins from Euglena gracilis
细小眼虫中保留 PsbO、P 和 Q 蛋白的释氧光系统 II 复合物的分离和表征
- DOI:
- 发表时间:
2004 - 期刊:
- 影响因子:0
- 作者:
YUKI Hideo;TAKAMURA Noriko;NISHIHIRO Jun;NAKAMURA Keigo;T.Suzuki - 通讯作者:
T.Suzuki
NISHIHIRO Jun的其他文献
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{{ truncateString('NISHIHIRO Jun', 18)}}的其他基金
Conservation ecological study toward a wise management of lake vegetation considering the impact on biodiversity and ecosystem function
考虑对生物多样性和生态系统功能影响的湖泊植被明智管理的保护生态研究
- 批准号:
25281052 - 财政年份:2013
- 资助金额:
$ 2.27万 - 项目类别:
Grant-in-Aid for Scientific Research (B)
Ecological study toward the vegetation management based on the dynamic regime theory for shallow lake ecosystem
基于动态体制理论的浅湖生态系统植被管理生态学研究
- 批准号:
22710232 - 财政年份:2010
- 资助金额:
$ 2.27万 - 项目类别:
Grant-in-Aid for Young Scientists (B)
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