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

基本信息

  • 批准号:
    0535398
  • 负责人:
  • 金额:
    $ 29.04万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2006
  • 资助国家:
    美国
  • 起止时间:
    2006-04-01 至 2010-03-31
  • 项目状态:
    已结题

项目摘要

A predictive understanding of salmon abundance is still lacking despite GLOBEC NEP's program of field sampling, retrospective analysis and modeling, a strong comparative component and observation of an environmental shift in 1999/2000. Although the physical/biological conditions associated with (1) annual variability in fish survival, and (2) the spatial distribution of juveniles, are amenable to description, neither the underlying mechanisms to explain them nor the link between two are known. This proposal aims to achieve both understanding and predictability by using a comparative approach while synthesizing several data sets for coho salmon. This species was studied by GLOBEC in both Southeast Alaska (SEAK) and the California Current System (CCS), and its abundance covaries inversely in the two systems. The biological/physical conditions under which juvenile coho salmon were found in GLOBEC NEP-funded studies in SEAK and the variation of the juvenile salmon habitat over 8 years at one location and 4 years at another will be described. An individual-based model will be employed to assess the advantages of these habitats to growth and mortality of juvenile coho salmon, and to describe how individual salmon could interact with such spatial distributions. The findings of a GLOBEC-NEP funded retrospective study regarding potential predator buffering effects will be extended in time and space. Local indicators of biologically important physical conditions, based on local winds and general circulation, will be developed to study the response of individual stocks along the coast north of the bifurcation of the West Wind Drift (WWD). The coded wire tag data set, which spans both systems, will be used together with GLOBEC observations in the NEP to derive a model of coho salmon early life history that is consistent across the two systems, but can have different physical forcing in each.The ultimate product of this project is an indicator of annual ocean conditions that affect salmon survival and age of spawning. This indicator will be directly useful in the short term in fishery management and in the long term by reducing the uncertainty and contentiousness surrounding management of factors influencing the freshwater phase of the salmon lifecycle. This project includes a graduate student and a postdoc.
尽管GLOBEC NEP的实地采样,回顾性分析和建模,一个强大的比较组成部分和观察1999/2000年的环境变化的方案,鲑鱼丰度的预测性了解仍然缺乏。虽然与(1)鱼类生存的年度变化和(2)幼鱼的空间分布有关的物理/生物条件可以描述,但既不知道解释它们的基本机制,也不知道两者之间的联系。该提案旨在通过使用比较方法,同时综合几组银鲑数据,实现理解和可预测性。GLOBEC在阿拉斯加东南部(SEAK)和加州海流系统(CCS)都对该物种进行了研究,其丰度在两个系统中呈反比。生物/物理条件下,青少年coho鲑鱼被发现在GLOBEC NEP资助的研究在SEAK和青少年鲑鱼栖息地的变化超过8年在一个位置和4年在另一个将被描述。一个基于个人的模型将被用来评估这些栖息地的优势,青少年银鲑的生长和死亡率,并描述如何个别鲑鱼可以与这种空间分布相互作用。GLOBEC-NEP资助的关于潜在捕食者缓冲效应的回顾性研究的结果将在时间和空间上扩展。将根据当地风和大气环流,制定生物重要物理条件的当地指标,以研究西风漂流分叉以北沿海沿着个股的反应。编码线标签数据集,它跨越了两个系统,将被用来与GLOBEC的观测在NEP得出一个模型的银鲑早期生活史是一致的,在两个系统,但可以有不同的物理forcing在each.The最终产品的这个项目是一个指标,每年的海洋条件,影响鲑鱼的生存和产卵年龄。这一指标将在短期内直接用于渔业管理,并在长期内减少影响鲑鱼生命周期淡水阶段的因素的管理的不确定性和争议。该项目包括一名研究生和一名博士后。

项目成果

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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:
    $ 29.04万
  • 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:
    $ 29.04万
  • 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:
    $ 29.04万
  • 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:
    $ 29.04万
  • 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:
    $ 29.04万
  • 项目类别:
    Continuing Grant
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
  • 批准号:
    9016721
  • 财政年份:
    1991
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Continuing Grant

相似海外基金

U.S.-GLOBEC: NEP Phase IIIb-CGOA: US GLOBEC Northeast Pacific Coordinating and Synthesis Office
U.S.-GLOBEC:NEP Phase IIIb-CGOA:美国 GLOBEC 东北太平洋协调与综合办公室
  • 批准号:
    0535378
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Standard Grant
Collaborative Research: U.S. GLOBEC: NEP Phase IIIb-CGOA: Links between climate and planktonic food webs
合作研究:美国 GLOBEC:NEP 第三阶段 b-CGOA:气候与浮游食物网之间的联系
  • 批准号:
    0639449
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 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:与其他东北太平洋地区相比,环境对阿拉斯加东南部银鲑鱼生长和生存的影响
  • 批准号:
    0631198
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Standard Grant
U.S.-GLOBEC: NEP Phase IIIb-CGOA: Habitat effects on feeding, condition, growth and survival of juvenile pink salmon in the northern Gulf of Alaska
U.S.-GLOBEC:NEP IIIb-CGOA:栖息地对阿拉斯加湾北部粉红鲑鱼幼鱼的摄食、状况、生长和生存的影响
  • 批准号:
    0535393
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Standard Grant
U.S.-GLOBEC: NEP Phase IIIb-CGOA: A synthesis of climate-forced variability on mesoscale structure in the CGOA with direct comparisons to the CCS
U.S.-GLOBEC:NEP Phase IIIb-CGOA:综合气候驱动的 CGOA 中尺度结构变化,并与 CCS 直接比较
  • 批准号:
    0535386
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 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 NortheastPacific 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:
    0627247
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Standard Grant
U.S.-GLOBEC: NEP Phase IIIb-CGOA: A Synthesis of Climate-Forced Variability on Mesoscale Structure in the CGOA With Direct Comparisons to the CCS
U.S.-GLOBEC:NEP Phase IIIb-CGOA:CGOA 中尺度结构气候强迫变率的综合,并与 CCS 直接比较
  • 批准号:
    0630471
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Standard Grant
Collaborative Research: U.S. GLOBEC: NEP Phase IIIb-CGOA: Links between climate and planktonic food webs
合作研究:美国 GLOBEC:NEP 第三阶段 b-CGOA:气候与浮游食物网之间的联系
  • 批准号:
    0639216
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Standard Grant
Collaborative Research: U.S. GLOBEC: NEP Phase IIIb-CGOA: Links between climate and planktonic food webs
合作研究:美国 GLOBEC:NEP 第三阶段 b-CGOA:气候与浮游食物网之间的联系
  • 批准号:
    0639093
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 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:与其他东北太平洋地区相比,环境对阿拉斯加东南部银鲑鱼生长和生存的影响
  • 批准号:
    0611412
  • 财政年份:
    2006
  • 资助金额:
    $ 29.04万
  • 项目类别:
    Standard Grant
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