Applied Paleoecology: Vegetation History, Soil Carbon Accumulation and Climatic Interactions of the Peatlands on the North Slope, Alaska
应用古生态学:阿拉斯加北坡泥炭地的植被历史、土壤碳积累和气候相互作用
基本信息
- 批准号:9416858
- 负责人:
- 金额:$ 17.94万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing grant
- 财政年份:1995
- 资助国家:美国
- 起止时间:1995-01-01 至 1998-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Abstract ATM-9416858 Eisner, Wendy R. Ohio State University Title: Applied Paleoecology: Vegetation History, soil carbon accumulation and climatic interactions of the Peatlands on the North Slope, Alaska This award supports research under the ARCSS/PALE Program . A wide range of paleoecological indicators from selected North Slope peatlands will be analyzed in order to reconstruct vegetation history and the relationship of tundra vegetation to carbon accumulation rates. Cores and surface samples will be taken from sites currently under investigation within the ARCSS Program initiatives. Surface samples will be used to calibrate biotic indicators with vegetation type, soil temperature, thaw depth, and moisture. Pollen, spores, fungi, algae, and macrofossils will be analyzed as proxy data for the past ecosystem. Vegetation reconstruction will be compared to changing carbon accumulation rates in the cores, offering ecologists and soil scientists a very long-term monitoring device of landscape dynamics in this complex environment. The arctic tundra plays a significant role as a major repository of the world's carbon. Northern peat may still be accumulating soil carbon or may actually be losing it. This question has important consequences for global change scenarios.
摘要 ATM-9416858 Eisner,Wendy R. 俄亥俄州立大学 标题:应用古生态学:阿拉斯加北坡泥炭地的植被历史、土壤碳积累和气候相互作用 该奖项支持 ARCSS/PALE 计划下的研究。 将分析选定的北坡泥炭地的各种古生态指标,以重建植被历史以及苔原植被与碳积累率的关系。 岩芯和表面样本将从 ARCSS 计划倡议中目前正在调查的地点采集。 地表样本将用于校准植被类型、土壤温度、解冻深度和湿度等生物指标。 花粉、孢子、真菌、藻类和大型化石将作为过去生态系统的代理数据进行分析。植被重建将与改变核心的碳积累率进行比较,为生态学家和土壤科学家提供了在这种复杂环境中景观动态的非常长期的监测装置。 北极苔原作为世界碳的主要储存库发挥着重要作用。 北方泥炭可能仍在积累土壤碳,或者实际上可能正在流失。 这个问题对全球变化情景具有重要影响。
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)
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Wendy Eisner其他文献
Wendy Eisner的其他文献
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{{ truncateString('Wendy Eisner', 18)}}的其他基金
Connecting Indigenous Knowledge to Landscape Process Research, Arctic Coastal Plain of Alaska
将土著知识与景观过程研究联系起来,阿拉斯加北极沿海平原
- 批准号:
0548846 - 财政年份:2006
- 资助金额:
$ 17.94万 - 项目类别:
Continuing grant
Reconstructing Landscape Evolution of the Alaskan Coastal Plain Using Indigenous Knowledge
利用本土知识重建阿拉斯加沿海平原的景观演化
- 批准号:
0539167 - 财政年份:2005
- 资助金额:
$ 17.94万 - 项目类别:
Standard Grant
Collaborative Research: Investigation of Paleoenvironment, Geomorphic Processes, and Carbon Stocks of Drained Thaw-Lake Basins, Arctic Coastal Plain, Alaska
合作研究:阿拉斯加北极沿海平原排水解冻湖盆地的古环境、地貌过程和碳储量调查
- 批准号:
0240174 - 财政年份:2003
- 资助金额:
$ 17.94万 - 项目类别:
Standard Grant
Preliminary Investigation of Paleoenvironment, Processes, and Carbon Stocks of Drained Thaw-Lake Basins, Arctic Coastal Plain, Alaska
阿拉斯加北极沿海平原排水解冻湖盆地古环境、过程和碳储量的初步调查
- 批准号:
9911122 - 财政年份:2000
- 资助金额:
$ 17.94万 - 项目类别:
Standard Grant
Holocene Landscape Dynamics in Northern Alaksa: Paleoceological Investigations of Peat Deposits from Former Thaw Lake Basins
阿拉克萨北部全新世景观动态:前解冻湖盆地泥炭沉积物的古生态学调查
- 批准号:
9796059 - 财政年份:1996
- 资助金额:
$ 17.94万 - 项目类别:
Standard Grant
Holocene Landscape Dynamics in Northern Alaksa: Paleoceological Investigations of Peat Deposits from Former Thaw Lake Basins
阿拉克萨北部全新世景观动态:前解冻湖盆地泥炭沉积物的古生态学调查
- 批准号:
9550382 - 财政年份:1995
- 资助金额:
$ 17.94万 - 项目类别:
Standard Grant
Late Quaternary Vegetation History and Depositional Environment of the Yedoma Sections of the Lower Kolyma; Northeast Siberia - Feasibility Study
科雷马河下游耶多玛地段晚第四纪植被历史和沉积环境;
- 批准号:
9500240 - 财政年份:1994
- 资助金额:
$ 17.94万 - 项目类别:
Standard Grant
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