Effects of Marine Preserves and Nonindigenous Species on Rocky Subtidal Communities: Indirect Interactions, Disturbance and Community Dynamics
海洋保护区和非本地物种对潮下岩石群落的影响:间接相互作用、干扰和群落动态
基本信息
- 批准号:0850809
- 负责人:
- 金额:$ 71.84万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2009
- 资助国家:美国
- 起止时间:2009-07-01 至 2013-06-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award is funded under the American Recovery and Reinvestment Act of 2009 (Public Law 111-5).Subtidal communities in temperate geographic zones of the world are faced with changes caused by fishing, climate change, habitat alteration and invasive species, yet we know fairly little about their community dynamics. The loss of large predators (species removals), and the introduction of nonindigenous species (species additions), are likely to have immediate and large consequences for the structure, resilience and function of subtidal communities. Marine preserves have recently been established in many coastal locations, including the San Juan Archipelago of Washington State. While they are demonstrated to have positive effects on certain fish populations, effects on the rest of the subtidal community are generally not known. The benefit of marine preserves to fisheries remains to be determined on a case-by-case basis. Regardless of the benefit to fisheries, they can serve effectively as conservation zones, similar to terrestrial parks, where original species assemblages can recover in the absence of human extraction. They also provide excellent venues to study the effects of large predators in relatively intact communities, in comparison to nearby non-preserve locations.With goals such as maintaining or increasing biodiversity, it is important to understand how the protection of large predators influences small prey and non-prey species. Determining the ecological effects of fish extraction is of prime interest in the growing body of marine protected area science. Higher level predators can decrease the abundance of their prey, but can also indirectly increase the abundance of organisms two trophic levels beneath them through a trophic cascade. Additionally, non-trophic interactions may cause species abundances to change in unpredicted ways after the recovery of large predators. The investigators in this project will explore the interaction of invasive ascidian species in the Puget Sound region, including sites where they have invaded successfully and sites where they have not. Much of this research will be conducted in (and out of) a regional network of MPAs in San Juan Co., WA, with a focus on the rocky subtidal community on these shores. The significance of this research applies to any nearshore temperate ecosystem with rocky substrate; thus it has broad ecological relevance, particularly with regard to management of coastal ecosystems. Coastal communities are changing due to extraction, invasive species, and climate change, yet we know little about these effects in the shallow rocky subtidal zone. The FHL Research Apprenticeship Program is a successful vehicle to provide intensive research experiences to undergraduates, and it motivates many to pursue graduate and professional training. There will also be an opportunity for summer FHL Blinks Fellows (undergraduate researchers of diverse background) and REU students to work on this project. FHL research, including that done by students, also supports citizen-driven conservation priorities. A primary connection is through the San Juan County Marine Resources Committee (MRC). This research will also provide training for several graduate and undergraduate students in current techniques in subtidal ecological research and advanced SCUBA based research and operations. They will also be encouraged to take part in FHL K-12 Outreach activities, and the new GK-12 Program at FHL (and Seattle).
该奖项是根据2009年美国复苏和再投资法案(公法111-5)资助的。世界温带地理区域的潮下带群落面临着捕鱼、气候变化、栖息地改变和入侵物种造成的变化,但我们对它们的群落动态知之甚少。大型捕食者的丧失(物种迁移)和非本地物种的引入(物种增加)可能对潮下带群落的结构、恢复力和功能产生直接和重大的影响。最近在许多沿海地区建立了海洋保护区,包括华盛顿州的圣胡安群岛。虽然它们被证明对某些鱼类种群有积极的影响,但对潮下带群落其他种群的影响一般还不清楚。海洋保护区对渔业的益处仍有待于逐案确定。不管对渔业的好处如何,它们可以有效地作为保护区,类似于陆地公园,在那里,原始物种组合可以在没有人类开采的情况下恢复。它们还提供了很好的场所来研究大型捕食者在相对完整的社区中的影响,与附近的非保护区位置进行比较。为了保持或增加生物多样性等目标,了解大型捕食者的保护如何影响小型猎物和非猎物物种是很重要的。确定鱼类捕捞的生态影响是不断发展的海洋保护区科学的首要兴趣。较高层次的捕食者可以减少其猎物的丰度,但也可以通过营养级联间接增加两个营养级以下的生物的丰度。此外,非营养相互作用可能会导致物种丰度的变化,在大型捕食者恢复后,以不可预测的方式。该项目的研究人员将探索普吉特海湾地区入侵海鞘物种的相互作用,包括它们成功入侵的地点和它们没有入侵的地点。大部分研究将在圣胡安公司的海洋保护区区域网络内外进行,华盛顿州,重点是这些海岸上的岩石潮下带社区。这项研究的意义适用于任何具有岩石基底的近岸温带生态系统;因此它具有广泛的生态相关性,特别是在沿海生态系统的管理方面。由于开采,入侵物种和气候变化,沿海社区正在发生变化,但我们对这些影响知之甚少。FHL研究学徒计划是一个成功的工具,为本科生提供密集的研究经验,它激励许多人追求研究生和专业培训。也将有夏季FHL闪烁研究员(不同背景的本科研究人员)和REU学生在这个项目上工作的机会。FHL研究,包括学生所做的研究,也支持公民驱动的保护优先事项。一个主要的联系是通过圣胡安县海洋资源委员会(MRC)。这项研究还将为几名研究生和本科生提供潮下带生态研究和先进的SCUBA研究和操作方面的培训。他们还将被鼓励参加FHL K-12外展活动,以及FHL(和西雅图)的新GK-12计划。
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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Kenneth Sebens其他文献
Kenneth Sebens的其他文献
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{{ truncateString('Kenneth Sebens', 18)}}的其他基金
FSML: Instrumentation at UW Friday Harbor Laboratories for Studies of the Biological Impacts of Ocean Acidification and Ocean Change
FSML:威斯康星大学星期五港实验室用于研究海洋酸化和海洋变化的生物影响的仪器
- 批准号:
1418875 - 财政年份:2014
- 资助金额:
$ 71.84万 - 项目类别:
Standard Grant
FSML Laboratory and Field Mesocosms for Ocean Acidification Research
FSML 海洋酸化研究实验室和现场中生态系统
- 批准号:
0829486 - 财政年份:2009
- 资助金额:
$ 71.84万 - 项目类别:
Standard Grant
GK-12: Ocean and Coastal Interdisciplinary Science (OACIS) Program
GK-12:海洋和沿海跨学科科学 (OACIS) 计划
- 批准号:
0742559 - 财政年份:2008
- 资助金额:
$ 71.84万 - 项目类别:
Continuing Grant
Nutrition of Reef Corals: Effects of Morphology, Resource Availability, and Water Flow
珊瑚礁珊瑚的营养:形态、资源可用性和水流的影响
- 批准号:
9811577 - 财政年份:1998
- 资助金额:
$ 71.84万 - 项目类别:
Continuing Grant
LTREB, Community Ecology on Rocky Shores: Long-Term Research in the Subtidal Zone (Massachusetts, 1978 - 2003)
LTREB,岩石海岸的群落生态学:潮下带的长期研究(马萨诸塞州,1978 年 - 2003 年)
- 批准号:
9811576 - 财政年份:1998
- 资助金额:
$ 71.84万 - 项目类别:
Standard Grant
Community Ecology on Rocky Shores: Long-Term Research in the Subtidal Zone (Massachusetts, 1978-2001)
岩石海岸的群落生态学:潮下带的长期研究(马萨诸塞州,1978-2001)
- 批准号:
9633815 - 财政年份:1996
- 资助金额:
$ 71.84万 - 项目类别:
Continuing Grant
Zooplankton Capture by Corals: Effects of Water Movement and Prey Escape
珊瑚捕获浮游动物:水运动和猎物逃逸的影响
- 批准号:
9302066 - 财政年份:1993
- 资助金额:
$ 71.84万 - 项目类别:
Continuing Grant
REU: Community Ecology of the Rocky Subtidal Zone: An Integrated Life-History Approach
REU:岩石潮下带的群落生态学:综合生活史方法
- 批准号:
9296093 - 财政年份:1992
- 资助金额:
$ 71.84万 - 项目类别:
Continuing Grant
Zooplankton Capture by Corals: The Effects of Water Movement under Field Conditions
珊瑚捕获浮游动物:野外条件下水运动的影响
- 批准号:
9296092 - 财政年份:1992
- 资助金额:
$ 71.84万 - 项目类别:
Standard Grant
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