LiT - Sublethal impacts of non-native species invasion

LiT - 非本地物种入侵的亚致死影响

• 批准号: 1051367
• 负责人: Tracy Langkilde
• 金额: $ 50.05万
• 依托单位: Pennsylvania State Univ University Park
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2011
• 资助国家: 美国
• 起止时间: 2011-05-01 至 2015-04-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1051367&HistoricalAwards=false
• 关键词: LiT; Sublethal; impacts; non; native

Global environmental change, including habitat loss and the introduction of non-native species, poses a growing threat to native animals. The lethal outcomes of such threats have received much attention, but animals that survive can also suffer important consequences; growing more slowly, having suppressed immune systems, and producing fewer offspring. These consequences are poorly understood, but they can have important implications for the ability of native populations to persist in the face of these threats. This project will adopt a range of ecological and biomedical measures of animal health in the field and laboratory, from cellular immune function to measures of the reproductive capacity of individuals, to examine the impact globally-invasive fire ants are having on native lizards. It will also test how long-term exposure to this invasive pest can influence the threat-tolerance of these invaded populations; whether native populations become more or less resilient to the consequences of this threat. The results of this research will help us to understand how native populations are able to persist in the face of increasing environmental change, and provide important information needed to guide the conservation of global biodiversity. This project will also provide education and training of students and the general community. Graduate and minority undergraduate students, as well as K-12 students from minority-serving institutions, will be involved in the laboratory and field components of this work, and the local community will be engaged through displays and presentations of the results of this research.

全球环境变化，包括栖息地丧失和非本土物种的引入，对本土动物构成了越来越大的威胁。 这些威胁的致命后果受到了广泛关注，但存活下来的动物也可能遭受重要的后果：生长缓慢，免疫系统受到抑制，后代减少。 人们对这些后果知之甚少，但它们可能对土著居民在这些威胁面前坚持下去的能力产生重要影响。 该项目将在野外和实验室采用一系列动物健康的生态和生物医学措施，从细胞免疫功能到个体生殖能力的测量，以研究全球入侵的火蚁对本地蜥蜴的影响。 它还将测试长期暴露于这种入侵性害虫如何影响这些入侵种群的威胁耐受性;本地种群是否对这种威胁的后果更具弹性。 这项研究的结果将有助于我们了解土著种群如何能够在日益加剧的环境变化面前坚持下去，并提供指导全球生物多样性保护所需的重要信息。 该项目还将为学生和广大社区提供教育和培训。 研究生和少数民族本科生以及来自少数民族服务机构的K-12学生将参与这项工作的实验室和实地组成部分，当地社区将通过展示和介绍这项研究的结果来参与。