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LTER: Long-Term Research at the Jornada Basin (LTER-VI)

LTER: Long-Term Research at the Jornada Basin (LTER-VI)
LTER:乔纳达盆地的长期研究 (LTER-VI)
批准号:
1235828
负责人:
Debra Peters
金额:
$523.92万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2012
资助国家:
美国
项目状态:
已结题
起止时间:
2012-12-01 至 2019-11-30

项目摘要

项目成果

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中文摘要
翻译
Jornada盆地长期生态研究计划的总体目标是了解和量化旱地生态系统中产生自然和人类主导的替代状态的机制,并预测未来的状态及其对生态系统服务提供的影响。基于1858年开始的长期数据库,未来六年的研究将集中在五种类型的动态上:(1)多年生草原向荒漠化灌丛的转变,(2)向草地状态的逆转,(3)灌木主导状态的转变,(4)非本地草的入侵,(5)向人类主导状态的转变。本研究结合了严格的假设检验,通过启动新的实验,新颖地整合长期研究来解决新的问题,预测在变化的环境下的未来景观和生态系统服务的后果,以及扩展跨站点和区域研究。模拟建模将提高对当前模式的理解和对未来动态的预测。将在新墨西哥州、亚利桑那州和德克萨斯州的四所拉美裔服务机构为研究生和本科生提供培训机会。K-12和教师培训计划将提供探究式课程、实地考察、教师研讨会和公共教育活动。研究结果将通过讲习班、研讨会和在线通讯分发给科学家、土地管理人员和教育工作者。将在五大洲(北美和南美、亚洲、欧洲、澳大利亚)开展国际合作,以应对日益严重的荒漠化这一全球挑战。
英文摘要
The overall goal of the Jornada Basin Long Term Ecological Research Program is to understand and quantify the mechanisms that generate alternative natural and human-dominated states in dryland ecosystems, and to predict future states and their consequences for the provisioning of ecosystem services. Based on long-term databases beginning in 1858, research over the next six years will focus on five types of dynamics: (1) a shift from perennial grasslands to desertified shrublands, (2) a reversal to grassland states, (3) transitions among shrub-dominated states, (4) invasion by non-native grasses, and (5) transitions to human-dominated states. This research combines rigorous hypothesis testing through initiation of new experiments, novel integration of long-term studies to address new questions, forecasts of alternative future landscapes and consequences for ecosystem services under a changing environment, and extension of cross-site and regional studies. Simulation modeling will improve understanding of current patterns and prediction of future dynamics. Training opportunities will be provided for graduate and undergraduate students at four Hispanic-serving institutions in New Mexico, Arizona, and Texas. A K-12 and teacher-training program will provide inquiry-based curricula, field trips, teacher workshops, and public education events. Research findings will be distributed to scientists, land managers, and educators via workshops, seminars, and an on-line newsletter. International collaborations will occur on five continents (North and South America, Asia, Europe, Australia) to address the global challenge of increasing desertification.
期刊论文(14)
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科研奖励(0)
会议论文
Germination and early establishment of dryland grasses and shrubs on intact and wind-eroded soils under greenhouse conditions
温室条件下完整和风蚀土壤上旱地草和灌木的发芽和早期建立
DOI: 10.1007/s11104-021-05005-9
发表时间: 2021
期刊: Plant and Soil
影响因子: 4.9
作者: [Niu, Furong, Pierce, Nathan A., Archer, Steven R., Okin, Gregory S.]
通讯作者: Okin, Gregory S.
Shrub encroachment, landscape restoration, and intraguild predation
灌木侵占、景观恢复和行会内捕食
DOI: 10.1016/j.jaridenv.2021.104588
发表时间: 2021
期刊: Journal of Arid Environments
影响因子: 2.7
作者: [Schooley, Robert L., Bestelmeyer, Brandon T., Wagnon, Casey J., Coffman, John M.]
通讯作者: Coffman, John M.
Modeling landscape wind erosion processes on rangelands using the APEX model
使用 APEX 模型对牧场上的景观风蚀过程进行建模
DOI: 10.1016/j.ecolmodel.2022.109925
发表时间: 2022
期刊: Ecological Modelling
影响因子: 3.1
作者: [A, Tadesse, Jeong, Jaehak, Green, Colleen H.M.]
通讯作者: Green, Colleen H.M.
DOI: 10.1016/j.ecolind.2021.108147
发表时间: 2021-08-27
期刊: ECOLOGICAL INDICATORS
影响因子: 6.9
作者: [Browning, Dawn M., Russell, Eric S., Taylor, Shawn D.]
通讯作者: Taylor, Shawn D.
12
    LTER: Long - Term Research at the Jornada Basin (LTER VII)
    • 批准号:
      1832194
    • 项目类别:
      Continuing Grant
    • 资助金额:
      $225.4万
    • 财政年份:
      2018
    • 负责人:
      Debra Peters
    • 依托单位:
    EAGER: Science in the Time of Big Data
    • 批准号:
      1440166
    • 项目类别:
      Standard Grant
    • 资助金额:
      $28.97万
    • 财政年份:
      2014
    • 负责人:
      Debra Peters
    • 依托单位:
    Collaborative Research: Processes and Patterns in The North American Monsoon Macrosystem
    • 批准号:
      1065699
    • 项目类别:
      Standard Grant
    • 资助金额:
      $40.17万
    • 财政年份:
      2011
    • 负责人:
      Debra Peters
    • 依托单位:
    Jornada Basin LTER V: Landscape Linkages in Arid and Semiarid Ecosystems
    • 批准号:
      0618210
    • 项目类别:
      Continuing Grant
    • 资助金额:
      $492.0万
    • 财政年份:
      2006
    • 负责人:
      Debra Peters
    • 依托单位:
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    long non-coding RNA(lncRNA)-activatedby TGF-β(lncRNA-ATB)通过成纤维细胞影响糖尿病创面愈合的机制研究
    • 批准号:
      LQ23H150003
    • 项目类别:
      省市级项目
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    • 批准年份:
      2023
    • 负责人:
      厉怡
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    Long-TSLP和Short-TSLP佐剂对新冠重组蛋白疫苗免疫应答的影响与作用机制
    • 批准号:
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    • 项目类别:
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    • 资助金额:
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      叶亮
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