Collaborative Research: Land-Use Practices and Persistence of Amphibian Populations
合作研究:土地利用实践和两栖动物种群的持续存在
基本信息
- 批准号:0239898
- 负责人:
- 金额:$ 7.5万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2003
- 资助国家:美国
- 起止时间:2003-05-15 至 2009-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Over the past 200 years, conversion of land for agricultural use, industrial development, and urban sprawl has drastically reduced natural habitat for many species and is considered the most serious threat to biological diversity. Fragmentation divides once continuous natural habitats into smaller pieces that are often separated by areas unsuitable to sustain viable populations. The goal of the proposed research is to understand how important local population and metapopulation processes are altered by fragmentation of natural habitats in a model system of pond-breeding amphibians. The primary objectives of the proposed study are to experimentally compare demographic and behavioral responses of amphibians in clear-cut (with and without coarse woody debris), partial-cut, edge, and intact forest habitats around replicated natural breeding ponds. These results will lead to a better understanding of the habitat requirements for successful recruitment and survival of local populations, and how amphibians disperse through fragmented landscapes. It will allow strong inferences about the disruption of metapopulation dynamics in amphibians caused by fragmentation and about how to prevent population declines and extinctions. Further, information from this project is essential to the development of conservation and management plans in state natural resource agencies, the U.S.D.A. Forest Service, and the Bureau of Land Management.
在过去的200年里,土地转为农业用途、工业发展和城市扩张大大减少了许多物种的自然栖息地,被认为是对生物多样性的最严重威胁。碎片化将曾经连续的自然栖息地分割成更小的块,这些块通常被不适合维持可生存的种群的区域隔开。本研究的目的是了解在池塘繁殖两栖动物的模型系统中,自然栖息地的破碎化对当地种群和超种群过程的影响。本研究的主要目的是通过实验比较在完全砍伐(有或没有粗木屑)、部分砍伐、边缘和完整的森林栖息地中两栖动物的人口和行为反应。这些结果将有助于更好地了解当地种群成功招募和生存的栖息地要求,以及两栖动物如何在破碎的景观中分散。它将对破碎化导致的两栖动物种群动态的破坏以及如何防止种群下降和灭绝提供强有力的推论。此外,该项目提供的信息对各州自然资源机构、美国农业部林业局和土地管理局制定保护和管理计划至关重要。
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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James Gibbs其他文献
Postoperative and amputation-free survival outcomes after femorodistal bypass grafting surgery: findings from the Department of Veterans Affairs National Surgical Quality Improvement Program.
股骨远端搭桥手术后的术后和无截肢生存结果:退伍军人事务部国家手术质量改进计划的调查结果。
- DOI:
10.1067/mva.2001.116807 - 发表时间:
2001 - 期刊:
- 影响因子:4.3
- 作者:
J. Feinglass;William H. Pearce;Gary J. Martin;James Gibbs;Diane Cowper;Mark Sorensen;Shukri F. Khuri;Jennifer Daley;William G. Henderson - 通讯作者:
William G. Henderson
Validating risk-adjusted surgical outcomes: chart review of process of care.
验证风险调整后的手术结果:护理过程的图表审查。
- DOI:
10.1093/intqhc/13.3.187 - 发表时间:
2001 - 期刊:
- 影响因子:0
- 作者:
James Gibbs;Kevin Clark;Shukri F. Khuri;William G. Henderson;Kwan Hur;Jennifer Daley - 通讯作者:
Jennifer Daley
Cholecystokinin does not produce bait shyness in rats.
胆囊收缩素不会使大鼠产生诱饵羞怯。
- DOI:
- 发表时间:
1974 - 期刊:
- 影响因子:2.9
- 作者:
Jonathan Holt;J. Antin;James Gibbs;Robert C. Young;Gerard P. Smith - 通讯作者:
Gerard P. Smith
Standardised virtual fracture clinic management of Achilles tendon ruptures is safe and reproducible
- DOI:
10.1016/j.fas.2018.10.010 - 发表时间:
2019-12-01 - 期刊:
- 影响因子:
- 作者:
Alastair Robertson;Charles Godavitarne;Simon Bellringer;Enis Guryel;Felicity Auld;Lucy Cassidy;James Gibbs - 通讯作者:
James Gibbs
Effects of peripheral and central bombesin on feeding behavior of rats
外周和中枢铃蟾肽对大鼠摄食行为的影响
- DOI:
10.1016/0196-9781(81)90028-0 - 发表时间:
1981 - 期刊:
- 影响因子:3
- 作者:
James Gibbs;James Gibbs;P. Kulkosky;P. Kulkosky;Gerard P. Smith;Gerard P. Smith - 通讯作者:
Gerard P. Smith
James Gibbs的其他文献
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{{ truncateString('James Gibbs', 18)}}的其他基金
Collaborative Research: Adaptive and nonadaptive mechanisms of phenotypic evolution in response to urbanization
合作研究:响应城市化的表型进化的适应性和非适应性机制
- 批准号:
2018140 - 财政年份:2021
- 资助金额:
$ 7.5万 - 项目类别:
Standard Grant
How Environment, Physiology and Life History Interact to Determine Pattern in Animal Migration
环境、生理学和生活史如何相互作用来确定动物迁徙的模式
- 批准号:
1258062 - 财政年份:2013
- 资助金额:
$ 7.5万 - 项目类别:
Standard Grant
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Cell Research
- 批准号:31224802
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- 批准号:30824808
- 批准年份:2008
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Research on the Rapid Growth Mechanism of KDP Crystal
- 批准号:10774081
- 批准年份:2007
- 资助金额:45.0 万元
- 项目类别:面上项目
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