Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
基本信息
- 批准号:RGPIN-2017-04922
- 负责人:
- 金额:$ 2.04万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2018
- 资助国家:加拿大
- 起止时间:2018-01-01 至 2019-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The WHY of the WHERE and WHEN species are distributed on Earth is a central question in ecology. While multiple factors such as available habitat and evolutionary origin are considered to drive species distributions in our oceans, environment is considered a primary force. Environment not only regulates the occurrence of animals in habitats/at latitudes, but it also drives species interactions that structure food webs from micro- to macro-scales. The interaction of a species with abiotic (environment = habitat) and biotic (prey = diet) factors is termed the niche. In an era of rapid climatic shift - the Anthropocene - understanding how environmental variation moulds the niche of species will help to predict its effects on the stability and resilience of global food webs. While spatial distribution patterns of species are well known, such as increasing species biodiversity from high to low latitudes (the Latitudinal Diversity Gradient; LDG), the underlying causes of these patterns have received little attention in our oceans. The Latitudinal Niche Breadth Hypothesis (LNB), a famous theory proposed to account for LDG, states that smaller niches and greater species diversity will occur at the equator as compared to the poles because of increased environmental stability. I will examine the influence of environmental context on species niche at the poles, equator and along the polar-equatorial latitudinal gradient through testing the LNB hypothesis in our oceans. I will do this through: i) Establishing the relationship between niche size of species from known feeding groups (Trophic Levels; TL) at latitudinal extremes (pole and equator); ii) Testing causal links between established patterns of niche size and environmental variation at the pole and equator; iii) Adopting a macroecological approach to examine niche size patterns and environmental causal links across a continuous polar-to-equator latitudinal gradient; and iv) Testing if the trends fit expectations of the LNB hypotheses in the marine environment. My aim is to advance understanding of the impact of ongoing climate shifts on global ecosystems for sustainable resource management.
物种在地球上何时何地分布的原因是生态学的一个核心问题。虽然多种因素,如可用的栖息地和进化起源被认为是驱动物种分布在我们的海洋,环境被认为是一个主要的力量。环境不仅调节动物在栖息地/纬度的出现,而且还驱动物种相互作用,从微观到宏观尺度构建食物网。一个物种与非生物(环境=栖息地)和生物(猎物=饮食)因素的相互作用被称为生态位。在一个快速气候变化的时代-人类世-了解环境变化如何塑造物种的生态位将有助于预测其对全球食物网稳定性和弹性的影响。虽然物种的空间分布模式是众所周知的,例如从高纬度到低纬度的物种生物多样性不断增加(横向多样性梯度; LDG),但这些模式的根本原因在我们的海洋中很少受到关注。垂直生态位宽度假说(LNB)是一个著名的解释LDG的理论,它指出,由于环境的稳定性增加,与两极相比,赤道地区的生态位较小,物种多样性较大。我将通过在我们的海洋中检验LNB假说来检验环境背景对两极、赤道和沿着极赤道纬度梯度的物种生态位的影响。我将通过以下方式做到这一点:i)建立已知摄食类群物种生态位大小之间的关系(营养水平; TL)(二)测试生态位大小的既定模式与极地和赤道的环境变化之间的因果联系;(三)采用宏观生态学方法,审查跨越连续的极地至赤道纬度梯度的生态位大小模式和环境因果联系;以及iv)测试这些趋势是否符合海洋环境中LNB假设的预期。我的目标是促进对持续气候变化对全球生态系统可持续资源管理的影响的理解。
项目成果
期刊论文数量(0)
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会议论文数量(0)
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Hussey, Nigel其他文献
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{{ truncateString('Hussey, Nigel', 18)}}的其他基金
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
RGPIN-2017-04922 - 财政年份:2022
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
503540-2017 - 财政年份:2021
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
RGPIN-2017-04922 - 财政年份:2021
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
RGPIN-2017-04922 - 财政年份:2020
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
503540-2017 - 财政年份:2020
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
RGPIN-2017-04922 - 财政年份:2019
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
503540-2017 - 财政年份:2019
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
503540-2017 - 财政年份:2018
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
RGPIN-2017-04922 - 财政年份:2017
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
503540-2017 - 财政年份:2017
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
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Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
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503540-2017 - 财政年份:2022
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Global patterns and processes of organismal niche in the marine environment
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RGPIN-2017-04922 - 财政年份:2022
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海洋环境中生物生态位的全球模式和过程
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RGPIN-2019-04631 - 财政年份:2021
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
RGPIN-2017-04922 - 财政年份:2020
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
503540-2017 - 财政年份:2020
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Northern Research Supplement
Future species of Anthropocene seas: understanding global patterns from metabolic processes
人类世海洋的未来物种:从代谢过程了解全球模式
- 批准号:
RGPIN-2019-04631 - 财政年份:2020
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual
Global patterns and processes of organismal niche in the marine environment
海洋环境中生物生态位的全球模式和过程
- 批准号:
RGPIN-2017-04922 - 财政年份:2019
- 资助金额:
$ 2.04万 - 项目类别:
Discovery Grants Program - Individual