Collaborative Research: Exploring the geography of sodium as a catalyst in terrestrial communities and ecosystems

合作研究:探索钠作为陆地群落和生态系统催化剂的地理分布

基本信息

  • 批准号:
    1556185
  • 负责人:
  • 金额:
    $ 20.95万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2016
  • 资助国家:
    美国
  • 起止时间:
    2016-05-01 至 2020-04-30
  • 项目状态:
    已结题

项目摘要

Essential services performed by Earth's ecosystems, such as decomposing detritus into nutrients, transforming plants into meat, creating and aerating fertile soil, arise from the combined actions of millions of organisms. Each of these organisms, from bacteria to butterflies to bison, best contribute to these services when they consume a healthy diet, which includes access to minerals, especially sodium. Sodium is a critical mineral for ecosystems because plants are generally low in sodium but the things that eat them, from fungi to grasshoppers, require it to grow and reproduce. Thus every plant eater must search out, harvest, and hang onto quantities of sodium, and will go to extremes eating carcasses, soil, and urine, to get that quota. Moreover, sodium is not uniformly distributed on the landscape. It falls as dilute ocean water near the coasts, it clings to clay soils but is leached from sandy soils, and it is distributed by the truckload to keep snowy roads free from ice. This project combines these two facts, that sodium is potentially one of the most important drivers of the health of plant consumers, and that sodium is geographically patchy, to predict the abundance and services of plant consumers across the North American continent. This research should lead to better prediction of such disparate phenomena as why grasshoppers are bigger crop pests in one county than another; why carbon is better stored in inland soils than those near the ocean; and why termite damage claims are centered along the Gulf Coast of the U.S. and up into the Mid-Atlantic states.To evaluate this proposition, the project combines two methods. The first maps the distribution of sodium across and within North American ecosystems and focuses on the easily accessible and widespread grasslands, old fields, and roadsides, and the invertebrates that live in them. The goal in Year 1 is to explore the basic hypothesis that as soil supplies of sodium increase - due to deposition from the ocean, high clay content, or because they are salted every winter - plants will not be affected but the animals that eat them (and the predators that eat the plant consumers) will. Thus the first year will generate a map of the abundance and activity of invertebrates above and belowground, and the degree to which both track sodium supply (and other nutrients). Then, in Year 2 and 3, these correlations will be put to the test experimentally in 6 grasslands from the central and eastern U.S. At each grassland, 50 meter square plots will be fertilized with a dilute sodium concentrations mimicking the slightly salty rainfall of the island of Puerto Rico; smaller plots will receive sodium mimicking that deposited on a regular basis by every animal as urine. By carefully tracking where the sodium goes, and how it boosts the numbers and activity of invertebrates, the project will test how animal health and vigor across North America is influenced by sodium supply. By examining how pollinators, herbivores, and detritivores respond, the project will test the transformative idea that sodium is a catalyst for ecosystem services.
地球生态系统提供的基本服务,如将碎屑分解为营养物质,将植物转化为肉类,创造肥沃的土壤并使其通气,都是数百万生物体共同作用的结果。从细菌到蝴蝶再到野牛,这些生物中的每一种都能在健康的饮食中为这些服务做出最大的贡献,包括获得矿物质,特别是钠。钠是生态系统的关键矿物质,因为植物通常钠含量较低,但从真菌到蚱蜢,吃它们的东西需要它来生长和繁殖。 因此,每一个食草动物都必须寻找、收获和保留大量的钠,为了达到这个配额,他们会采取极端的做法,吃尸体、土壤和尿液。此外,钠在景观中的分布并不均匀。 它在海岸附近以稀释海水的形式降落福尔斯,附着在粘土上,但从桑迪土壤中沥滤出来,它由卡车运输,以保持积雪路面不结冰。该项目结合了这两个事实,即钠可能是植物消费者健康的最重要驱动因素之一,并且钠在地理上是不均匀的,以预测整个北美大陆植物消费者的丰度和服务。这项研究应该能更好地预测不同的现象,比如为什么蝗虫在一个县比另一个县更大的农作物害虫;为什么碳在内陆土壤中比在海洋附近更好地储存;为什么白蚁损害索赔集中在沿着美国墨西哥湾沿岸和大西洋中部各州。第一幅地图绘制了北美生态系统中钠的分布,重点是容易进入和广泛分布的草原,老田地和路边,以及生活在其中的无脊椎动物。第一年的目标是探索基本假设,即随着土壤钠供应的增加-由于海洋沉积,粘土含量高,或者因为它们每年冬天都被腌制-植物不会受到影响,但吃它们的动物(以及吃植物消费者的捕食者)会受到影响。因此,第一年将产生一张地图,上面和下面的无脊椎动物的丰度和活动,以及两者跟踪钠供应(和其他营养素)的程度。然后,在第2年和第3年,这些相关性将在美国中部和东部的6个草原上进行实验性测试。在每个草原上,50平方米的地块将使用模拟波多黎各岛微咸降雨的稀钠浓度进行施肥;较小的地块将接受模拟钠的肥料,每只动物定期以尿液的形式沉积。通过仔细跟踪钠的去向,以及它如何增加无脊椎动物的数量和活动,该项目将测试钠供应如何影响北美动物的健康和活力。通过研究传粉者,食草动物和食草动物的反应,该项目将测试钠是生态系统服务催化剂的变革性想法。

项目成果

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Nathan Sanders其他文献

The Joint Mobile Emerging Disease Clinical Capability (JMEDICC) laboratory approach: Capabilities for high-consequence pathogen clinical research
联合移动新发疾病临床能力 (JMEDICC) 实验室方法:高后果病原体临床研究能力
  • DOI:
    10.1371/journal.pntd.0007787
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    3.8
  • 作者:
    P. Naluyima;William Kayondo;Chi Ritchie;Joseph Wandege;Sharon Kagabane;Lydia Tumubeere;Brenda Kusiima;Daniel Kibombo;Sharon Atukunda;Christina Nanteza;H. Nabirye;Francis Bunjo Mugabi;Sarah Namuyanja;Christopher Hatcher;Hypaitia B Rauch;Moses Mukembo;P. Musinguzi;Nathan Sanders;Elizabeth Turesson;Christian Cando;R. Walwema;D. Mimbe;J. Hepburn;D. Clark;M. Lamorde;H. Kibuuka;Saima Zaman;A. Cardile;Karen A. Martins
  • 通讯作者:
    Karen A. Martins
The Contagion of Mass Shootings: The Interdependence of Large-Scale Massacres and Mass Media Coverage
大规模枪击事件的蔓延:大规模屠杀与大众媒体报道的相互依存
  • DOI:
  • 发表时间:
    2021
  • 期刊:
  • 影响因子:
    1.6
  • 作者:
    J. Fox;Nathan Sanders;Emma E. Fridel;G. Duwe;M. Rocque
  • 通讯作者:
    M. Rocque
Forecasting the Severity of Mass Public Shootings in the United States
预测美国大规模公共枪击事件的严重程度
The EEG Cookbook: A Practical Guide to Neuroergonomics Research
脑电图食谱:神经工效学研究实用指南
  • DOI:
  • 发表时间:
    2020
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Nathan Sanders;Sanghyun Choo;C. Nam
  • 通讯作者:
    C. Nam
On the linguistic effects of articulatory ease, with a focus on sign languages
论发音轻松度的语言效果,重点关注手语
  • DOI:
  • 发表时间:
    2014
  • 期刊:
  • 影响因子:
    0
  • 作者:
    D. Napoli;Nathan Sanders;Donna Jo Nathan Rebecca Wright
  • 通讯作者:
    Donna Jo Nathan Rebecca Wright

Nathan Sanders的其他文献

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{{ truncateString('Nathan Sanders', 18)}}的其他基金

Dissertation Research: Climatic warming shapes the structure of function of natural communities: an experimental test with ants
论文研究:气候变暖塑造自然群落的功能结构:蚂蚁的实验测试
  • 批准号:
    1208974
  • 财政年份:
    2012
  • 资助金额:
    $ 20.95万
  • 项目类别:
    Standard Grant
Dimensions: Collaborative: The climate cascade: functional and evolutionary consequences of climatic change on species, trait, and genetic diversity in a temperate ant community
维度:协作:气候级联:气候变化对温带蚂蚁群落的物种、性状和遗传多样性的功能和进化影响
  • 批准号:
    1136703
  • 财政年份:
    2012
  • 资助金额:
    $ 20.95万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Direct and indirect effects of invasive species on plant-seed disperser mutualisms
论文研究:入侵物种对植物种子传播者互利共生的直接和间接影响
  • 批准号:
    1110431
  • 财政年份:
    2011
  • 资助金额:
    $ 20.95万
  • 项目类别:
    Standard Grant
DISSERTATION RESEARCH: Historical and ecological causes of ant diversity along environmental gradients
论文研究:环境梯度上蚂蚁多样性的历史和生态原因
  • 批准号:
    0910084
  • 财政年份:
    2009
  • 资助金额:
    $ 20.95万
  • 项目类别:
    Standard Grant
Dissertation Research: The Community And Ecosystem Consequences Of Plant Genotypic Diversity
论文研究:植物基因型多样性的群落和生态系统后果
  • 批准号:
    0808225
  • 财政年份:
    2008
  • 资助金额:
    $ 20.95万
  • 项目类别:
    Standard Grant
Collaborative Research: Vulnerability of Semi-arid Grasslands to Encroachment by Woody Plants: the Role of Grass Invasions, Seasonal Precipitation, and Soil Type
合作研究:半干旱草原对木本植物侵占的脆弱性:草类入侵、季节性降水和土壤类型的作用
  • 批准号:
    0418363
  • 财政年份:
    2004
  • 资助金额:
    $ 20.95万
  • 项目类别:
    Standard Grant
SGER: RUI: Collaborative: Mechanisms of Community Re-Assembly After a Catastrophic Fire
SGER:RUI:协作:灾难性火灾后社区重新组装的机制
  • 批准号:
    0301932
  • 财政年份:
    2003
  • 资助金额:
    $ 20.95万
  • 项目类别:
    Standard Grant

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