Physical Forcing of Spatially Distributed, Meroplanktonic Populations/GLOBEC
空间分布的浮游生物种群的物理强迫/GLOBEC
基本信息
- 批准号:9016721
- 负责人:
- 金额:$ 40万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:1991
- 资助国家:美国
- 起止时间:1991-01-01 至 1994-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Dr. Botsford and collaborators will model and analyze the dynamic effects of spatially and temporally varying physical oceanographic conditions on spatially distributed, meroplanktonic marine populations with age or size structure and density- dependent recruitment. They will examine the effects of both: (1) large scale physical forcing on transport and survival between sub-populations during the planktonic larval stage, and (2) small scale physical forcing on life history rates in local sub-populations. Population behavior will be characterized in terms of persistence, stability, sensitivity to environmental variability, and spatial synchrony. These investigators will use their models and the results of their analyses to project changes in these populations due to projected changes in global climate. As specific examples for which to make these projections, they will focus on the Dungeness crab (Cancer magister) and the feeding interaction between sea urchins (Strongylocentrotus spp.) and macroalgae (Nereocystis leutkeana, Macrocystis pyrifera) in the California Current System. For these systems they will model larval transport based on idealized flows and small scale benthic flows computed from wave energy. Potential future changes in the physical environment will include changes in the level of upwelling and the frequency and magnitude of ENSO events.
博特福德博士和他的合作者将模拟和分析在空间和时间上变化的物理海洋条件对具有年龄或大小结构和密度依赖的补充的空间分布的分流浮游海洋种群的动态影响。他们将研究两方面的影响:(1)浮游幼虫阶段大范围物理强迫对子种群之间的运输和生存的影响,(2)小尺度物理强迫对当地亚种群生活史比率的影响。种群行为将以持久性、稳定性、对环境变化的敏感性和空间同步性为特征。这些研究人员将使用他们的模型和他们的分析结果来预测由于预测的全球气候变化而导致的这些人口的变化。作为进行这些预测的具体例子,他们将重点放在Dungeness蟹(癌症巨蟹)和海胆(Strongyloctrotus spp.)之间的摄食相互作用上。和大型藻类(Nerecystis leutkeana,Macrocystis pyrifera)。对于这些系统,他们将根据根据波浪能量计算的理想化流动和小尺度海底流动来模拟幼虫的运输。未来物理环境的潜在变化将包括上升流水平的变化以及ENSO事件的频率和强度的变化。
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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Louis Botsford其他文献
Louis Botsford的其他文献
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{{ truncateString('Louis Botsford', 18)}}的其他基金
Collaborative Research: Comparative Analysis of Salmon and Cod Population Responses
合作研究:鲑鱼和鳕鱼种群反应的比较分析
- 批准号:
0815293 - 财政年份:2008
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
U.S.-GLOBEC NEP Phase IIIb-CGOA: Environmental influences on Growth and Survival of Southeast Alaska Coho Salmon in Contrast with Other Northeast Pacific Regions
U.S.-GLOBEC NEP Phase IIIb-CGOA:环境对阿拉斯加东南部银鲑鱼生长和生存的影响与其他东北太平洋地区的对比
- 批准号:
0535398 - 财政年份:2006
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
GLOBEC: Physical Influences on California Current Salmon
GLOBEC:对加州现鲑鱼的物理影响
- 批准号:
0003254 - 财政年份:2000
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
Collaborative Research: The Role of Wind-Driven Transport in Shelf Productivity
合作研究:风力运输在货架生产力中的作用
- 批准号:
9910897 - 财政年份:2000
- 资助金额:
$ 40万 - 项目类别:
Continuing Grant
Dissertation Research: Demographic and Genetic Analysis of Metapopulation Dynamics: Emerita analoga as a Model Organism
论文研究:种群动态的人口统计学和遗传分析:作为模式生物的 Emerita Analoga
- 批准号:
9902218 - 财政年份:1999
- 资助金额:
$ 40万 - 项目类别:
Standard Grant
U.S. GLOBEC: Physical Influences on Populations in the California Current
美国 GLOBEC:加利福尼亚洋流对人口的物理影响
- 批准号:
9711448 - 财政年份:1997
- 资助金额:
$ 40万 - 项目类别:
Continuing Grant
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