The ecology of rocky subtidal ecosystems of Newfoundland and Labrador
纽芬兰和拉布拉多岩石潮下生态系统的生态
基本信息
- 批准号:355875-2008
- 负责人:
- 金额:$ 1.24万
- 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:2009
- 资助国家:加拿大
- 起止时间:2009-01-01 至 2010-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Marine coastal ecosystems are impacted by accelerating rates of species introductions, degradation of resources, pollution, and losses of habitats. Such forces, largely caused by human activity, alter the abundance of marine organisms and their interactions with the environment which makes it increasingly difficult to understand, manage, and predict changes in the structure and function of these ecologically and economically important ecosystems. This is true of the extensive shallow rocky subtidal ecosystems of Newfoundland and Labrador for which dynamics are poorly understood, yet presumably regulated by high physical harshness and altered by recent species introductions. My overall objective is to identify biotic and abiotic interactions that regulate the structure and function of these unique ecosystems. In particular, I will investigate how changes in environmental factors such as wave action, water temperature, and light affect the survival, behavior, and interactions (predation, competition, and facilitation) between dominant invertebrates, seaweeds, and fish (both native and invasive), and how these regulate population, community, and ecosystem patterns. My approach will combine laboratory and field experiments with organisms, as well as field surveys of populations and communities from below (scuba diving) and above (remote sensing) the sea surface. I have shown the utility of advanced remote sensing and GIS to map eastern Canada's shallow benthic species over large tracts of seabed. I will conduct further research to increase the accuracy and spatial scope of these methodologies to study subtidal ecosystems at broader spatial and temporal scales than is currently possible. The proposed research program will provide one of the first and most detailed studies of the causes and consequences of benthic patterns and processes in NL's subtidal rocky ecosystems, while increasing our global knowledge of subarctic marine ecosystems. By establishing procedures for broad scale ecology of subtidal benthos, I will also provide scientists and managers with the capacity to acquire novel ecological data that aid in understanding marine ecosystem functioning and conserving native biodiversity.
海洋沿海生态系统受到物种引进速度加快、资源退化、污染和生境丧失的影响。这些主要由人类活动造成的力量改变了海洋生物的丰度及其与环境的相互作用,使人们越来越难以理解、管理和预测这些具有重要生态和经济意义的生态系统的结构和功能的变化。这是真实的广泛的浅岩石潮下带生态系统的纽芬兰和拉布拉多的动力学知之甚少,但据推测,调节高物理严酷和改变最近的物种引进。我的总体目标是确定生物和非生物的相互作用,调节这些独特的生态系统的结构和功能。特别是,我将研究如何在环境因素的变化,如波浪作用,水温,和光影响的生存,行为,和占主导地位的无脊椎动物,海藻和鱼类(本地和入侵)之间的相互作用(捕食,竞争和促进),以及这些如何调节人口,社区和生态系统模式。我的方法将结合联合收割机实验室和现场实验与生物,以及现场调查的人口和社区从下面(水肺潜水)和以上(遥感)的海面。我已经展示了先进的遥感和地理信息系统的效用,以绘制加拿大东部的浅底栖物种在大片的海底。我将进行进一步的研究,以提高这些方法的准确性和空间范围,在更广泛的时空尺度上研究潮下带生态系统比目前可能的。拟议的研究计划将提供NL潮下带岩石生态系统中底栖生物模式和过程的原因和后果的第一个和最详细的研究之一,同时增加我们对亚北极海洋生态系统的全球知识。通过建立潮下带底栖生物的大规模生态学程序,我还将为科学家和管理人员提供获取新的生态数据的能力,这些数据有助于了解海洋生态系统的功能和保护本地生物多样性。
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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Gagnon, Patrick其他文献
Canopy-Forming Seaweeds in Urchin-Dominated Systems in Eastern Canada: Structuring Forces or Simple Prey for Keystone Grazers?
- DOI:
10.1371/journal.pone.0098204 - 发表时间:
2014-05-23 - 期刊:
- 影响因子:3.7
- 作者:
Blain, Caitlin;Gagnon, Patrick - 通讯作者:
Gagnon, Patrick
Interactions between thermal and wave environments mediate intracellular acidity (H2SO4), growth, and mortality in the annual brown seaweed Desmarestia viridis
- DOI:
10.1016/j.jembe.2012.12.013 - 发表时间:
2013-02-01 - 期刊:
- 影响因子:2
- 作者:
Blain, Caitlin;Gagnon, Patrick - 通讯作者:
Gagnon, Patrick
Effects of temperature, body size, and chela loss on competition for a limited food resource between indigenous rock crab (Cancer irroratus Say) and recently introduced green crab (Carcinus maenas L.)
- DOI:
10.1016/j.jembe.2012.06.003 - 发表时间:
2012-10-01 - 期刊:
- 影响因子:2
- 作者:
Matheson, Kyle;Gagnon, Patrick - 通讯作者:
Gagnon, Patrick
Organismal defenses versus environmentally mediated protection from herbivores:: Unraveling the puzzling case of Desmarestia viridis (Phaeophyta)
- DOI:
10.1016/j.jembe.2006.01.012 - 发表时间:
2006-06-27 - 期刊:
- 影响因子:2
- 作者:
Gagnon, Patrick;St-Hilaire-Gravel, Louis Vincent;Johnson, Ladd E. - 通讯作者:
Johnson, Ladd E.
Spatial dynamics of the green sea urchin Strongylocentrotus droebachiensis in food-depleted habitats
- DOI:
10.3354/meps11787 - 发表时间:
2016-06-23 - 期刊:
- 影响因子:2.5
- 作者:
Frey, Desta L.;Gagnon, Patrick - 通讯作者:
Gagnon, Patrick
Gagnon, Patrick的其他文献
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{{ truncateString('Gagnon, Patrick', 18)}}的其他基金
Structuring mechanisms and transformative potential of cold marine benthic ecosystems
冷海洋底栖生态系统的结构机制和变革潜力
- 批准号:
RGPIN-2021-03149 - 财政年份:2022
- 资助金额:
$ 1.24万 - 项目类别:
Discovery Grants Program - Individual
Structuring mechanisms and transformative potential of cold marine benthic ecosystems
冷海洋底栖生态系统的结构机制和变革潜力
- 批准号:
RGPIN-2021-03149 - 财政年份:2021
- 资助金额:
$ 1.24万 - 项目类别:
Discovery Grants Program - Individual
OFI SF5 Advanced capacity for autonomous detection of green sea urchin (Strongylocentrotus droebachiensis)
OFI SF5 先进的绿海胆自主检测能力(Strongylocentrotus droebachiensis)
- 批准号:
559820-2020 - 财政年份:2020
- 资助金额:
$ 1.24万 - 项目类别:
Alliance Grants
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
- 批准号:
RGPIN-2015-05343 - 财政年份:2019
- 资助金额:
$ 1.24万 - 项目类别:
Discovery Grants Program - Individual
Suitability of enhanced aquaculture feeds for commercial production of green sea urchin roe in a low-flow environment
强化水产养殖饲料在低流量环境下商业化绿海胆籽生产的适用性
- 批准号:
536872-2018 - 财政年份:2018
- 资助金额:
$ 1.24万 - 项目类别:
Engage Plus Grants Program
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
- 批准号:
RGPIN-2015-05343 - 财政年份:2018
- 资助金额:
$ 1.24万 - 项目类别:
Discovery Grants Program - Individual
Effects of stocking density on behaviour and roe yield in kelp-fed green sea urchins (Strongylocentrotus droebachiensis) farmed in a custom-made raceway
放养密度对定制水道养殖的海带喂养绿海胆 (Strongylocentrotus droebachiensis) 行为和鱼子产量的影响
- 批准号:
517775-2017 - 财政年份:2017
- 资助金额:
$ 1.24万 - 项目类别:
Engage Grants Program
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
- 批准号:
RGPIN-2015-05343 - 财政年份:2017
- 资助金额:
$ 1.24万 - 项目类别:
Discovery Grants Program - Individual
Investigation of a novel approach to land-based production of green sea urchin roe in Newfoundland
纽芬兰陆上绿海胆籽生产新方法的研究
- 批准号:
506750-2016 - 财政年份:2016
- 资助金额:
$ 1.24万 - 项目类别:
Engage Grants Program
Mechanisms of stability of urchin-dominated barrens in southeastern Newfoundland
纽芬兰东南部海胆为主的贫瘠之地的稳定机制
- 批准号:
RGPIN-2015-05343 - 财政年份:2016
- 资助金额:
$ 1.24万 - 项目类别:
Discovery Grants Program - Individual
相似海外基金
The ecology of rocky subtidal ecosystems of Newfoundland and Labrador
纽芬兰和拉布拉多岩石潮下生态系统的生态
- 批准号:
355875-2008 - 财政年份:2012
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Species invasion and the ecology of rocky subtidal communities
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纽芬兰和拉布拉多岩石潮下生态系统的生态
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Discovery Grants Program - Individual
The ecology of rocky subtidal ecosystems of Newfoundland and Labrador
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Discovery Grants Program - Individual
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物种入侵和潮下岩石群落的生态
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$ 1.24万 - 项目类别:
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物种入侵和潮下岩石群落的生态
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