Tracing Fluxes of Groundwater Through Riparain Food Webs Using Stable Isotopes of Hydrogen and Oxygen
使用氢和氧的稳定同位素追踪地下水通过 Riparain 食物网的通量
基本信息
- 批准号:0436283
- 负责人:
- 金额:$ 2.7万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2004
- 资助国家:美国
- 起止时间:2004-10-01 至 2005-09-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Water table lowering is a common problem in arid regions of the world such as deserts. One consequence of water table lowering is a change in the abundance and number of species (called "species diversity") of plants in habitats along river margins (called "riparian" habitats). While much is known about the effects of water table lowering on plants, little is known about how the relative availability or access to ground water may affect the abundance and diversity of animals in riparian habitats. The goals of this project are twofold: (1) to develop new tools to quantify the flow of water from sub-surface (groundwater) and surface (river) sources to animal populations and, (2) to use these tools to quantify water limitation in animal species occupying desert riparian habitats along the San Pedro River in southeastern Arizona. The tools we will develop will be based on traditional applications of stable isotopes of hydrogen (2H, or D, for "deuterium") and oxygen (18O) to trace water sources from the environment through plants. Stable isotopes are naturally occurring, non-radioactive elements with higher mass than the more common, lighter versions of these elements (1H and 16O, respectively). We will use differences in naturally occurring concentrations of these stable isotopes in leaves and in river water to understand the indirect acquisition of water by animals via consumption of plant material. To do this we will focus primarily on invertebrates feeding on dead organic matter and their predators. This study system will allow us to determine the pathways by which water flows through trees from groundwater to animals inhabiting above-ground habitats. This research will achieve broader impacts by training two graduate students and by establishing the basis for applying stable isotopes of hydrogen and oxygen to the management of groundwater resources.
地下水位下降是世界干旱地区(如沙漠)的一个常见问题。 地下水位下降的一个后果是沿着生境(称为“河岸”生境)中植物物种的丰度和数量(称为“物种多样性”)发生变化。 虽然人们对地下水位下降对植物的影响了解很多,但对地下水的相对可用性或获取途径如何影响河岸生境中动物的丰度和多样性却知之甚少。 该项目的目标有两个方面:(1)开发新的工具,以量化从地下(地下水)和地表(河流)水源到动物种群的水流,(2)使用这些工具来量化占据亚利桑那州东南部圣佩德罗河沿着沙漠河岸栖息地的动物物种的水限制。 我们将开发的工具将基于传统的氢(2H或D,用于“氘”)和氧(18O)的稳定同位素应用,以通过植物追踪环境中的水源。 稳定同位素是天然存在的非放射性元素,其质量高于这些元素的更常见,更轻的版本(分别为1H和16O)。 我们将利用这些稳定同位素在树叶和河水中的天然浓度差异来了解动物通过消耗植物材料间接获取水。 为此,我们将主要关注以死亡有机物为食的无脊椎动物及其捕食者。 该研究系统将使我们能够确定水从地下水通过树木流向居住在地上栖息地的动物的途径。 这项研究将通过培训两名研究生和建立将氢和氧的稳定同位素应用于地下水资源管理的基础,产生更广泛的影响。
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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John Sabo其他文献
STREAMS: Towards Spatio-Temporal Causal Discovery with Reinforcement Learning for Streamflow Rate Prediction
STREAMS:通过强化学习进行水流速率预测,实现时空因果发现
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:0
- 作者:
Paras Sheth;Ahmadreza Mosallanezhad;Kaize Ding;Reepal Shah;John Sabo;Huan Liu;K. Candan - 通讯作者:
K. Candan
Better Than Predicted Outcomes in an Open Intensive Care Unit Model: Low Mortality in Patients Cared for by Nonintensivist Physicians
- DOI:
10.1378/chest.1356269 - 发表时间:
2012-10-01 - 期刊:
- 影响因子:
- 作者:
Suresh Daniel;Fengwei Zhong;Christina Nguyen;Marek Martynowicz;Amit Dutta;Tony Lin;Jonathan Escalante;John Sabo;Adol Esquivel - 通讯作者:
Adol Esquivel
Efficacy and Safety of Asciminib in Chronic Myeloid Leukemia in Chronic Phase (CML-CP): Interim Results from the Phase 2 ASC2ESCALATE Trial in the Cohort of Patients (Pts) after 1 Prior Tyrosine Kinase Inhibitor (TKI)
- DOI:
10.1182/blood-2024-200717 - 发表时间:
2024-11-05 - 期刊:
- 影响因子:
- 作者:
Ehab L. Atallah;Moshe Y. Levy;Paul B. Koller;Koji Sasaki;Srinivas K Tantravahi;David Andorsky;Celesteann T Bremer;Joshua F Zeidner;Marlise R. Luskin;Reinhold Munker;Daisy Yang;Dramane Laine;John Sabo;Ennan Gu;Michael J. Mauro;Jorge E. Cortes - 通讯作者:
Jorge E. Cortes
CML-573 ASC2ESCALATE: A US, Phase II Open-Label, Single-Arm, Dose-Escalation Study of Asciminib Monotherapy in Second-Line (2L) and First-Line (1L) Treatment of Patients With Chronic Myeloid Leukemia in Chronic Phase (CML-CP)
- DOI:
10.1016/s2152-2650(23)01155-2 - 发表时间:
2023-09-01 - 期刊:
- 影响因子:
- 作者:
Ehab Atallah;Michael Mauro;Koji Sasaki;Moshe Levy;Paul Koller;Daisy Yang;Dramane Laine;John Sabo;Ennan Gu;Jorge Cortes - 通讯作者:
Jorge Cortes
Design principles for engineering wetlands to improve resilience of coupled built and natural water infrastructure
工程湿地的设计原则,以提高建成和天然水基础设施耦合的恢复能力
- DOI:
- 发表时间:
2023 - 期刊:
- 影响因子:6.7
- 作者:
R. Shah;Yushiou Tsai;D. Stampoulis;H. G. Damavandi;John Sabo - 通讯作者:
John Sabo
John Sabo的其他文献
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{{ truncateString('John Sabo', 18)}}的其他基金
CRISP: Type 2/Collaborative Research: Design and Control of Coordinated Green and Gray Water Infrastructure to Improve Resiliency in Chemical and Agricultural Sectors
CRISP:类型 2/合作研究:协调绿水和灰水基础设施的设计和控制,以提高化学和农业部门的弹性
- 批准号:
1735579 - 财政年份:2017
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
Collaborative Research: Effects of Flow Regime Shifts, Anticendent Hydrology, Nitrogen Pulses and Resource Quantity and Quality on Food Chain Length in Rivers
合作研究:流态变化、前期水文、氮脉冲以及资源数量和质量对河流食物链长度的影响
- 批准号:
1457567 - 财政年份:2015
- 资助金额:
$ 2.7万 - 项目类别:
Continuing Grant
FEW: Food-Energy-Water infrastructure systems, engineering solutions and institutions
FEW:食品-能源-水基础设施系统、工程解决方案和机构
- 批准号:
1541771 - 财政年份:2015
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
Workshop: Ecohydrology and Food Web Ecology on the Tonle Sap Lake- Lower Mekong, Sept. 25-28, 2012, -Santa Ynez, CA
研讨会:洞里萨湖 - 湄公河下游的生态水文学和食物网生态学,2012 年 9 月 25 日至 28 日,-加利福尼亚州圣伊内斯
- 批准号:
1258645 - 财政年份:2012
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
WSC- Category 3: Collaborative Research:Water Sustainability under Near -term Climate Change:A cross-regional analysis incorporating socio-ecological feedbacks and adaptations
WSC-类别 3:合作研究:近期气候变化下的水可持续性:纳入社会生态反馈和适应的跨区域分析
- 批准号:
1204478 - 财政年份:2012
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
Quantifying the effects of groundwater and hydrology on trophic structure in desert riparian ecosystems
量化地下水和水文对沙漠河岸生态系统营养结构的影响
- 批准号:
0842410 - 财政年份:2009
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
DISSERTATION RESEARCH: Tracing water sources used by terrestrial streamside animal communities using stable water isotopes
论文研究:使用稳定水同位素追踪陆地河边动物群落使用的水源
- 批准号:
0808537 - 财政年份:2008
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
Workshop: The Cadillac Desert 25 years later, at the National Center for Ecological Analysis & Synthesis
研讨会:25 年后的凯迪拉克沙漠,国家生态分析中心
- 批准号:
0756817 - 财政年份:2008
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
Collaborative Research: Food-Chain Length in Streams-Testing the Role of Ecosystem Size, Resource Availability and Disturbance
合作研究:溪流中的食物链长度 - 测试生态系统规模、资源可用性和干扰的作用
- 批准号:
0317137 - 财政年份:2003
- 资助金额:
$ 2.7万 - 项目类别:
Standard Grant
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