RAPID: Effects of Hurricane Irma on shallow-water marine ecosystems: Assessing resiliency of sponge and macroinvertebrate communities in the Florida Keys
RAPID:飓风艾尔玛对浅水海洋生态系统的影响:评估佛罗里达群岛海绵和大型无脊椎动物群落的恢复能力
基本信息
- 批准号:1854644
- 负责人:
- 金额:$ 2.48万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2018
- 资助国家:美国
- 起止时间:2018-09-14 至 2020-01-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Hurricane Irma was a massively destructive storm that traveled directly over the lower Florida Keys. While the above water damage was obvious, effects from the hurricane on shallow benthic marine habitats in the Florida Keys is unknown. Shallow water habitats, which are important nurseries for economically important fisheries, likely experienced the strong effects from the storm. Sponge communities in these ecosystems perform vital ecological functions due to their feeding behavior, which involves pumping large quantities of water and filtering material from the water column. The project tests important hypotheses about sponge responses to ecological disruptions that are caused by hurricanes. Sponges are abundant in many reef ecosystems, and play essential ecological roles, so learning about system responses to sponge community disturbances is important. The work trains undergraduates in field research, data management and analysis, and science communication. Some of the activities developed as part of this project are incorporated in the University of Richmond Integrated Science Experience (URISE), and the first-year Science, Math and Research Training (SMART) course, both of which are designed to increase participation in STEM disciplines by individuals from underrepresented groups. Furthermore, the research is presented in a variety of public forums to disseminate as widely as possible. Sponges represent a significant benthic-pelagic coupling point in tropical reef habitats. The recently proposed sponge loop hypothesis predicts that these animals release detritus as a function of their biofiltering capabilities, which is then consumed by organisms at the base of the food web. Hurricane Irma may have disrupted components of the sponge loop, and the investigators are exploring four hypotheses related to the storm's effects. First, the proposed work tests whether sponge damage from the storm was non-random, disproportionately affecting larger sponges. The second hypothesis examines the effects of the storm on macroinvertebrate communities in these habitats. This work builds on sponge and macroinvertebrate surveys conducted by the investigators in the years preceding the storm. Thirdly, the hypothesis that the hurricane influenced bacterioplankton populations through disruption of sponge feeding is tested. The PIs also compare pre- and post-hurricane plankton structure via flow cytometery using inhalant-exhalent water samples collected as part of an on-going study of sponge feeding behavior. Finally, inhalant-exhalent water samples are collected from shallow-water populations of several sponges from different size categories to determine if feeding behavior shows any demographic shifts based on the size of the sponge. Samples are processed to examine the retention efficiencies and prey selectivity of the host sponges using flow cytometry. Initial surveys are conducted of sponges (size, density, diversity) and macroinvertebrates in December, 2017. Preliminary sponge pumping activity occurs then too. Extensive surveys take place again in May-July, 2018 with further monitoring to occur in subsequent years.
飓风艾尔玛是一场具有巨大破坏力的风暴,直接穿过佛罗里达群岛南部。虽然上述水损害是显而易见的,但飓风对佛罗里达礁岛群浅海底栖海洋栖息地的影响尚不清楚。浅水栖息地是经济上重要的渔业的重要苗圃,可能受到风暴的强烈影响。这些生态系统中的海绵群落由于其摄食行为而发挥着重要的生态功能,其中包括从水柱中抽取大量的水和过滤材料。该项目测试了关于海绵对飓风造成的生态破坏的反应的重要假设。海绵在许多珊瑚礁生态系统中非常丰富,并发挥着重要的生态作用,因此了解系统对海绵群落干扰的反应非常重要。这项工作训练本科生实地研究,数据管理和分析,科学交流。作为该项目的一部分开发的一些活动被纳入里士满大学综合科学体验(URISE)和第一年的科学,数学和研究培训(SMART)课程,这两个课程都旨在增加来自代表性不足群体的个人对STEM学科的参与。此外,在各种公共论坛上介绍研究成果,以便尽可能广泛地传播。海绵是热带珊瑚礁生境中一个重要的底栖-中上层耦合点。最近提出的海绵环假说预测,这些动物释放碎屑作为其生物过滤能力的函数,然后被食物网底部的生物体消耗。飓风厄玛可能破坏了海绵环的组成部分,调查人员正在探索与风暴影响有关的四种假设。首先,拟议的工作测试风暴对海绵的破坏是否是非随机的,对较大的海绵的影响是否不成比例。第二个假设探讨了风暴对这些栖息地的大型无脊椎动物群落的影响。这项工作建立在调查人员在风暴前几年进行的海绵和大型无脊椎动物调查的基础上。第三,假设飓风影响浮游细菌种群通过破坏海绵喂养进行了测试。PI还通过流式细胞仪使用作为海绵摄食行为持续研究的一部分收集的吸入-呼出水样本比较了飓风前后的浮游生物结构。最后,从不同大小类别的几种海绵的浅水种群中收集吸入-呼出水样本,以确定摄食行为是否显示出基于海绵大小的任何人口变化。处理样品以使用流式细胞术检查宿主海绵的保留效率和猎物选择性。2017年12月对海绵(大小,密度,多样性)和大型无脊椎动物进行了初步调查。然后也会发生初步的海绵泵送活动。2018年5月至7月再次进行广泛调查,并在随后几年进行进一步监测。
项目成果
期刊论文数量(0)
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Malcolm Hill其他文献
UK Emissions Trading from 2002–2004: Corporate Responses
2002 年至 2004 年英国排放交易:企业回应
- DOI:
10.1260/095830505775221533 - 发表时间:
2005 - 期刊:
- 影响因子:0
- 作者:
Malcolm Hill;Laurie McAulay;Adrian Wilkinson - 通讯作者:
Adrian Wilkinson
Complications of diuresis in the alcoholic patient with ascites: a controlled trial.
腹水酗酒患者的利尿并发症:一项对照试验。
- DOI:
- 发表时间:
1977 - 期刊:
- 影响因子:29.4
- 作者:
P. Gregory;P. Broekelschen;Malcolm Hill;Andrew B. Lipton;C. Knauer;Marlene Egger;Rupert G. Miller - 通讯作者:
Rupert G. Miller
Epibiont–basibiont interactions: examination of ecological factors that influence specialization in a two-sponge association between Geodia vosmaeri (Sollas, 1886) and Amphimedon erina (de Laubenfels, 1936)
- DOI:
10.1007/s10750-011-0878-y - 发表时间:
2011-10-06 - 期刊:
- 影响因子:2.500
- 作者:
Blake Ramsby;Andrew Massaro;Emily Marshall;Thomas Wilcox;Malcolm Hill - 通讯作者:
Malcolm Hill
The management of symptomatic Schatzki ring: A report of 7 cases
- DOI:
10.1016/s0016-5107(75)73816-6 - 发表时间:
1975-02-01 - 期刊:
- 影响因子:
- 作者:
Malcolm Hill;C. Michael Knauer - 通讯作者:
C. Michael Knauer
1125 KUMA062 EFFECTIVELY DIGESTS GLUTEN IN THE HUMAN STOMACH: RESULTS OF A PHASE 1 STUDY
- DOI:
10.1016/s0016-5085(20)31237-3 - 发表时间:
2020-05-01 - 期刊:
- 影响因子:
- 作者:
Ingrid S. Pultz;Daniel Leffler;Tina Liu;Peter Winkle;Joanne Vitanza;Malcolm Hill - 通讯作者:
Malcolm Hill
Malcolm Hill的其他文献
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{{ truncateString('Malcolm Hill', 18)}}的其他基金
Collaborative Research: RUI: Evaluating the Molecular Genetic Pathways Responsible for Stable Host: Symbiont Interactions in Sponge:Algal Associations
合作研究:RUI:评估负责稳定宿主的分子遗传途径:海绵:藻类关联中的共生体相互作用
- 批准号:
1848958 - 财政年份:2018
- 资助金额:
$ 2.48万 - 项目类别:
Standard Grant
RAPID: Effects of Hurricane Irma on shallow-water marine ecosystems: Assessing resiliency of sponge and macroinvertebrate communities in the Florida Keys
RAPID:飓风艾尔玛对浅水海洋生态系统的影响:评估佛罗里达群岛海绵和大型无脊椎动物群落的恢复能力
- 批准号:
1807169 - 财政年份:2017
- 资助金额:
$ 2.48万 - 项目类别:
Standard Grant
Collaborative Research: RUI: Evaluating the Molecular Genetic Pathways Responsible for Stable Host: Symbiont Interactions in Sponge:Algal Associations
合作研究:RUI:评估负责稳定宿主的分子遗传途径:海绵:藻类关联中的共生体相互作用
- 批准号:
1555440 - 财政年份:2016
- 资助金额:
$ 2.48万 - 项目类别:
Standard Grant
RAPID - Abnormal bleaching in Cliona varians in the Florida Keys: Consequences for coral reef health.
快速 - 佛罗里达群岛的 Cliona varians 异常白化:对珊瑚礁健康的后果。
- 批准号:
1617255 - 财政年份:2016
- 资助金额:
$ 2.48万 - 项目类别:
Standard Grant
Collaborative Research: AToL: PorToL - The Porifera Tree of Life Project
合作研究:AToL:PorToL - Porifera 生命之树项目
- 批准号:
0829763 - 财政年份:2008
- 资助金额:
$ 2.48万 - 项目类别:
Continuing Grant
RUI: Stability and structure of temperate and tropical marine sponge symbiont communities in response to climate change.
RUI:温带和热带海洋海绵共生群落响应气候变化的稳定性和结构。
- 批准号:
0647119 - 财政年份:2007
- 资助金额:
$ 2.48万 - 项目类别:
Standard Grant
(Collaborative Research) Igneous Rocks of Eastern Massachusetts: Petrogenesis and Tectonic Significance
(合作研究)马萨诸塞州东部火成岩:岩石成因和构造意义
- 批准号:
8212761 - 财政年份:1982
- 资助金额:
$ 2.48万 - 项目类别:
Standard Grant
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Dynamic Credit Rating with Feedback Effects
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