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The dynamics and restoration ecology of marine ecosystems

The dynamics and restoration ecology of marine ecosystems
海洋生态系统动力学与恢复生态学
批准号:
140979-2012
负责人:
Pitcher, Tony
金额:
$1.89万
依托单位国家:
加拿大
项目类别:
Discovery Grants Program - Individual
财政年份:
2016
资助国家:
加拿大
项目状态:
已结题
起止时间:
2016-01-01 至 2017-12-31

项目摘要

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中文摘要
翻译
从长远来看,这一建议的目的是建立新的海洋恢复生态学理论,通过测试假设的基础上,全生态系统模拟模型适合的案例研究生态系统的多样性。在我的工作中,恢复是基于对过去生态系统状态的历史重建,受到气候和其他地球化学驱动因素的影响。到目前为止,这项工作已经公布了生态系统的理论基线,因为它们可能没有捕捞,理论船队没有抛弃物或副渔获物的捕捞,以及在恢复期间继续产生效益的恢复轨迹。在短期内,接下来的两个理论步骤是,首先,分析上限和下限饲料鱼生产的食物和捕食者,并调查在中等营养水平的特异性如何影响这些限制。其次,我将研究浮游动物食物网的复杂性如何影响生产在更高的营养水平:这将特别提供洞察力的“政权转移”,已在许多海洋生态系统中观察到。从长远来看,我的工作将试图建立进一步的理论,为渔业生态系统的恢复生态提供参考点,可以很容易地和实际的估计,并显示如何在多大程度上实现它们可以衡量。
英文摘要
In the long term, this proposal aims to establish fresh theory for marine restoration ecology by testing hypotheses based on whole-ecosystem simulation models fitted to a diversity of case study ecosystems. Restoration in my work is based on the historical reconstruction of past ecosystem states, as affected by climate and other geochemical drivers. To date, this work has published theoretical baselines for ecosystems as they may have been with no fishing extractions, for fishing with theoretical fleets that have no discards or bycatch, and a restoration trajectory that continues to accrue benefits during the restoration period. In the short term, the next two theoretical steps are, first, to analyze upper and lower limits to forage fish production in relation to food and predators, and to investigate how speciosity in the mid trophic levels affects these limits. Second, I will examine how complexity in zooplankton food webs impacts production at higher trophic levels: this will especially provide insight of the 'regime shifts' that have been observed in many marine ecosystems. In the longer term, my work will attempt to establish further theory that will provide reference points for the restoration ecology of fisheries ecosystems that can be easily and practically estimated and show ways in which the extent to which they are attained can be measured.
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The dynamics and restoration ecology of marine ecosystems
  • 批准号:
    140979-2012
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $1.89万
  • 财政年份:
    2018
  • 负责人:
    Pitcher, Tony
  • 依托单位:
The dynamics and restoration ecology of marine ecosystems
  • 批准号:
    140979-2012
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $1.89万
  • 财政年份:
    2017
  • 负责人:
    Pitcher, Tony
  • 依托单位:
The dynamics and restoration ecology of marine ecosystems
  • 批准号:
    140979-2012
  • 项目类别:
    Discovery Grants Program - Individual
  • 资助金额:
    $1.89万
  • 财政年份:
    2015
  • 负责人:
    Pitcher, Tony
  • 依托单位:
Understanding the ecosystem role of Pacific herring in coupled social-ecological systems: advancing forage fish science
  • 批准号:
    447247-2013
  • 项目类别:
    Strategic Projects - Group
  • 资助金额:
    $8.82万
  • 财政年份:
    2015
  • 负责人:
    Pitcher, Tony
  • 依托单位:
国内基金
海外基金
关于图像处理模型的目标函数构造及其数值方法研究
  • 批准号:
    11071228
  • 项目类别:
    面上项目
  • 资助金额:
    32.0万元
  • 批准年份:
    2010
  • 负责人:
    郭晓霞
  • 依托单位:
辣椒胞质雄性不育恢复性主效基因精密图谱分析