Individual and aseasonal variation in habitat use, foraging strategies and reproductive performances of marine top predators
海洋顶级捕食者栖息地利用、觅食策略和繁殖性能的个体和非季节变化
基本信息
- 批准号:355536-2008
- 负责人:
- 金额:$ 1.09万
- 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:2008
- 资助国家:加拿大
- 起止时间:2008-01-01 至 2009-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Although Arctic and Northern waters support a significant diversity of productive marine ecosystems, the impact of climate warming on its biotic components is poorly known. Marine top predators represent reliable indicators of short- and long- term changes in marine food-webs and resource availability, thus providing useful insights into ecological aspects of lower trophic levels. During the next five years, my students and I will contribute to predict how environmental characteristics (population density, habitat quality, resource availability) and interindividual differences (behaviour, physiology) may affect life history traits (growth, survival, reproduction) in marine mammal populations. In order to fulfill these objectives, this program will set up and develop a long-term individual capture-mark-recapture study of a marine mammal population, here the Saint Lawrence estuarine harbour seals. Through the combined studies of individual ecological characteristics (foraging strategies, diet composition) and population ecology (population status, density & age structure), we will determine the important phenotypic characteristics of parents on offspring survival and ultimately individual fitness. Hence, we will investigate how individual response to environmental change may ultimately shape population structure. This research program will lead to further understand the adaptive strategies of marine predators to spatial and temporal variability of resources and the consequences in terms of population dynamics. Such understanding of the mechanisms involved in life-history strategies is crucial for the monitoring and conservation of wild marine populations, especially when it relates to predicting the impact of environmental change on polar marine ecosystems over an extended period. The proposed research will involve one PhD, three MSc and five BSc students. These students will be trained in the field with regard to proper capture, handling and sampling techniques of wild seals, as well as documenting and interpreting ecological and individual variation within a population from a holistic point of view.
虽然北极和北方沃茨维持着丰富多样的生产性海洋生态系统,但人们对气候变暖对其生物组成部分的影响知之甚少。海洋顶级捕食者是海洋食物网和资源可得性短期和长期变化的可靠指标,从而为了解低营养级的生态方面提供了有益的见解。在接下来的五年里,我和我的学生将致力于预测环境特征(人口密度,栖息地质量,资源可用性)和个体间差异(行为,生理)如何影响海洋哺乳动物种群的生活史特征(生长,生存,繁殖)。为了实现这些目标,该计划将建立和发展一个长期的个人捕获标记再捕获研究的海洋哺乳动物种群,在这里的圣劳伦斯河口港海豹。通过对个体生态学特征(觅食策略、食物组成)和种群生态学特征(种群状况、密度和年龄结构)的综合研究,确定亲本的表型特征对后代生存和个体适合度的重要影响。因此,我们将研究个体对环境变化的反应如何最终塑造种群结构。这项研究计划将导致进一步了解海洋捕食者的适应策略,资源的空间和时间的变化和人口动态方面的后果。对生命史战略所涉机制的这种了解,对于监测和养护野生海洋种群至关重要,特别是在涉及预测环境变化在较长时期内对极地海洋生态系统的影响时。拟议的研究将涉及一名博士,三名硕士和五名理学学士学生。这些学生将接受关于野生海豹的适当捕获、处理和取样技术的实地培训,并从整体角度记录和解释种群内的生态和个体变异。
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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Beauplet, Gwénaël其他文献
Beauplet, Gwénaël的其他文献
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{{ truncateString('Beauplet, Gwénaël', 18)}}的其他基金
Individual and aseasonal variation in habitat use, foraging strategies and reproductive performances of marine top predators
海洋顶级捕食者栖息地利用、觅食策略和繁殖性能的个体和非季节变化
- 批准号:
355536-2008 - 财政年份:2012
- 资助金额:
$ 1.09万 - 项目类别:
Discovery Grants Program - Individual
Individual and aseasonal variation in habitat use, foraging strategies and reproductive performances of marine top predators
海洋顶级捕食者栖息地利用、觅食策略和繁殖性能的个体和非季节变化
- 批准号:
355536-2008 - 财政年份:2011
- 资助金额:
$ 1.09万 - 项目类别:
Discovery Grants Program - Individual
Individual and aseasonal variation in habitat use, foraging strategies and reproductive performances of marine top predators
海洋顶级捕食者栖息地利用、觅食策略和繁殖性能的个体和非季节变化
- 批准号:
355536-2008 - 财政年份:2010
- 资助金额:
$ 1.09万 - 项目类别:
Discovery Grants Program - Individual
Individual and aseasonal variation in habitat use, foraging strategies and reproductive performances of marine top predators
海洋顶级捕食者栖息地利用、觅食策略和繁殖性能的个体和非季节变化
- 批准号:
355536-2008 - 财政年份:2009
- 资助金额:
$ 1.09万 - 项目类别:
Discovery Grants Program - Individual
Required equipment to implement long-term individual capture-mark-recapture in a marine mammal population
在海洋哺乳动物种群中实施长期个体捕获-标记-再捕获所需的设备
- 批准号:
390930-2010 - 财政年份:2009
- 资助金额:
$ 1.09万 - 项目类别:
Research Tools and Instruments - Category 1 (<$150,000)
Required equipment to set up a long-term capture-mark-recapture dataset of a marine mammal population
建立海洋哺乳动物种群的长期捕获-标记-再捕获数据集所需的设备
- 批准号:
358856-2008 - 财政年份:2007
- 资助金额:
$ 1.09万 - 项目类别:
Research Tools and Instruments - Category 1 (<$150,000)
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Individual and aseasonal variation in habitat use, foraging strategies and reproductive performances of marine top predators
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$ 1.09万 - 项目类别:
Discovery Grants Program - Individual
Individual and aseasonal variation in habitat use, foraging strategies and reproductive performances of marine top predators
海洋顶级捕食者栖息地利用、觅食策略和繁殖性能的个体和非季节变化
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