Collaborative Research: Tradeoffs between phenology and geography constraints in response to climate change across species life cycles

合作研究:物种生命周期中应对气候变化的物候和地理限制之间的权衡

基本信息

  • 批准号:
    2049626
  • 负责人:
  • 金额:
    $ 5.14万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2021
  • 资助国家:
    美国
  • 起止时间:
    2021-09-01 至 2024-08-31
  • 项目状态:
    已结题

项目摘要

The investigators are using statistical and biophysical modeling techniques to examine the characteristics and drivers of timing (phenology) and distribution (geography) of fish eggs, larvae, and juveniles. They are focusing on the California Current and western Gulf of Alaska regions of the Northeast Pacific. Changes in phenology and geography are anticipated responses of marine organisms to global change in climate, with consequences for food web interactions, species abundance and productivity, and local extinctions. These responses, in turn, will have important implications for marine conservation, resource management, and the economies of coastal communities that depend on marine resources for sustenance and livelihoods. Data analysis is in collaboration with fisheries scientists at National Oceanic and Atmospheric Administration, and results will be of interest to resource managers. One of the investigators is an early-career female scientist, and the study provides training for REU students, other undergraduates, graduate students, and a postdoctoral scientist. Educational outreach includes development of online classroom and lab modules. The overarching objective of this project is to examine the drivers and characteristics of phenology and geography of fish early life history stages (ELS) in the Northeast Pacific Ocean. Most research on how climate change impacts marine organisms has focused on adult life history stages, even though existing literature indicates that early life history stages may be more vulnerable to climate stressors. During ELS, marine fish and invertebrates can be limited in their ability to move in space and time due to strong ecological, physiological, physical, and evolutionary constraints. For these species, their ability to adapt to global change in climate through shifts in distribution and phenology depends on the events that occur during the early portion of their life cycle. Similarly, climate change impacts on organismal distribution and phenology have principally been studied separately, without any consideration of interactions between these two types of responses to changing oceanic conditions. The investigators are conducting modeling analyses based on ELS collected since the mid-1950s to test the null hypotheses that: 1) fish ELS will experience similar spatio-temporal variability in relation to ocean climate regardless of the life history strategy; 2) changes will be greater at the leading edge of a species' distribution and that the start of the spawning season will exhibit the greatest change in phenology; 3) species with large distribution changes will have smaller changes in phenology, and vice versa; and 4) historical and future projections of fish distribution that include life history information will be more skillful than those that do not include life history.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
研究人员正在使用统计和生物物理建模技术来研究鱼卵,幼虫和青少年的时间(物候学)和分布(地理)的特征和驱动因素。他们的重点是东北太平洋的加州海流和阿拉斯加湾西部地区。物候学和地理学的变化是海洋生物对全球气候变化的预期反应,对食物网的相互作用、物种丰度和生产力以及当地的保护产生影响。这些应对措施反过来将对海洋养护、资源管理以及依赖海洋资源维持生计的沿海社区的经济产生重要影响。正在与国家海洋和大气管理局的渔业科学家合作进行数据分析,资源管理人员将对分析结果感兴趣。其中一名研究人员是一名早期职业女性科学家,该研究为REU学生,其他本科生,研究生和博士后科学家提供培训。教育推广包括开发在线课堂和实验室模块。该项目的总体目标是研究东北太平洋鱼类早期生活史阶段(ELS)的物候学和地理学的驱动因素和特征。大多数关于气候变化如何影响海洋生物的研究都集中在成年生命史阶段,尽管现有文献表明,早期生命史阶段可能更容易受到气候压力的影响。在ELS期间,由于强烈的生态、生理、物理和进化限制,海洋鱼类和无脊椎动物在空间和时间上的移动能力可能受到限制。对于这些物种来说,它们通过分布和物候变化适应全球气候变化的能力取决于它们生命周期早期发生的事件。同样,气候变化对生物分布和物候的影响主要是分开研究的,没有考虑到这两种类型的反应之间的相互作用,不断变化的海洋条件。研究人员正在根据自20世纪50年代中期以来收集的ELS进行建模分析,以测试以下零假设:1)无论生活史策略如何,鱼类ELS将经历与海洋气候相关的类似时空变化; 2)物种分布前沿的变化将更大,产卵季节的开始将表现出最大的物候变化; 3)分布变化大的物种,其物候变化较小,反之亦然; 4)包含生活史信息的鱼类分布的历史和未来预测,比不包含生活史信息的预测更有技巧。该奖项反映了NSF的法定使命,通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。

项目成果

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Enrique Curchitser其他文献

Enrique Curchitser的其他文献

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{{ truncateString('Enrique Curchitser', 18)}}的其他基金

Support of US Scientific Participation in the North Pacific Marine Science Organization (PICES)
支持美国科学参与北太平洋海洋科学组织(PICES)
  • 批准号:
    1450163
  • 财政年份:
    2014
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Continuing Grant
Collaborative Research: EaSM-3: Regional decadal predictions of coupled climate-human systems
合作研究:EaSM-3:气候-人类耦合系统的区域年代际预测
  • 批准号:
    1419584
  • 财政年份:
    2014
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant
Collaborative Research: Regional Variability in Future Temperature Stress to Coral Reefs in the Coral Triangle
合作研究:珊瑚三角区珊瑚礁未来温度压力的区域变化
  • 批准号:
    1234674
  • 财政年份:
    2012
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant
Collaborative Research: BEST Synthesis: The variable transport of pollock eggs and larvae over the Bering shelf - A marriage of physics and biology
合作研究:最佳合成:鳕鱼卵和幼虫在白令陆架上的可变运输 - 物理学和生物学的结合
  • 批准号:
    1107804
  • 财政年份:
    2011
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant
Type 2: A CRI-EaSM Collaborative proposal: Climate-to-humans: A study of urbanized coastal environments, their economics and vulnerability to climate change
类型 2:CRI-EaSM 合作提案:气候对人类:城市化沿海环境及其经济性和气候变化脆弱性研究
  • 批准号:
    1049088
  • 财政年份:
    2011
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant
Collaborative Proposal: Multi-Scale Modeling: Assessing the role of eastern boundary upwelling regions and their ecosystems on climate variability using a fully coupled model
合作提案:多尺度建模:使用完全耦合模型评估东部边界上升流区域及其生态系统对气候变化的作用
  • 批准号:
    0961545
  • 财政年份:
    2010
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant
Collaborative Research: Climate Variability and Change in the U.S. GLOBEC Regions as Simulated by the IPCC Climate Models: Ecosystem Implications
合作研究:IPCC 气候模型模拟的美国 GLOBEC 地区的气候变率和变化:生态系统影响
  • 批准号:
    0814702
  • 财政年份:
    2008
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant
Collaborative: US-GLOBEC NEP Phase IIIa-CCS: Effects of Meso- and Basin-Scale Variability on Zooplankton Populations in the CCS Using Data-Assimilative, Physical/Ecosystem Models
合作:US-GLOBEC NEP IIIa-CCS 阶段:使用数据同化、物理/生态系统模型观察中观和盆地尺度变异对 CCS 中浮游动物种群的影响
  • 批准号:
    0742310
  • 财政年份:
    2007
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant
Collaborative Research: Downscaling global climate projections to the ecosystems of the Bering Sea with nested biophysical models
合作研究:利用嵌套生物物理模型将全球气候预测缩小到白令海生态系统
  • 批准号:
    0732431
  • 财政年份:
    2007
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Continuing Grant
Collaborative: US-GLOBEC NEP Phase IIIa-CCS: Effects of Meso- and Basin-Scale Variability on Zooplankton Populations in the CCS Using Data-Assimilative, Physical/Ecosystem Models
合作:US-GLOBEC NEP IIIa-CCS 阶段:使用数据同化、物理/生态系统模型观察中观和盆地尺度变异对 CCS 中浮游动物种群的影响
  • 批准号:
    0435592
  • 财政年份:
    2005
  • 资助金额:
    $ 5.14万
  • 项目类别:
    Standard Grant

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合作研究:生物考古学、骨免疫学和生态免疫学:将炎症、生活史权衡和生物文化变革联系起来
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