globalchange  > 全球变化的国际研究计划
项目编号: 1633088
项目名称:
RAPID: Plant/pollinator networks in a rare, wet El Nino year
作者: Laurel Fox
承担单位: University of California-Santa Cruz
批准年: 2016
开始日期: 2016-04-01
结束日期: 2018-03-31
资助金额: 39981
资助来源: US-NSF
项目类别: Standard Grant
国家: US
语种: 英语
特色学科分类: Biological Sciences - Environmental Biology
英文关键词: wet el nino year ; el nino ; rapid climate shift ; relevant habitat ; pollinator network ; wet el nino event
英文摘要: Long-term records documenting the effects of climate variability on ecological interactions among species are rare, but this type of information is critical to making accurate predictions of ecological consequences of climate change. Lacking long term data, an alternative approach is to examine shorter-term change in species interactions in response to rapid climate shifts, and combine that information with a detailed understanding of long-term climatic trends. This project extends a detailed study of pollinator abundance and species diversity (primarily bumblebees) with plant flowering patterns in coastal, central California. This region had been experiencing an increasingly severe drought, and average temperatures that have been increasing for decades. The current warm, wet El Nino event presents a unique opportunity to assess the responses and resilience of this system of pollinators and plant species. A diverse and abundant assemblage of pollinator species is critical to the maintenance of native plant species in this region. This study will inform the management of nature reserves and will also provide important information on how pollinators, which are essential to US agriculture, respond to climate change. The project will help broaden participation in science through graduate student training, and through a workshop to engage land managers of relevant habitats.

The work addresses three specific, testable hypotheses: (1) plant flowering and pollinator activity will be temporally disconnected in the wet El Nino year; (2) bumblebees respond immediately to the resource boom provided by heavy, extended flowering in the El Nino, but solitary bee responses will be delayed a year; and (3) pollinator networks will be more specialized in the wet El Nino year than during the drought, because bees will select more preferred plant species when flowers are abundant. The potential temporal mismatch is an important ecological problem in the context of changing climatic variability.
资源类型: 项目
标识符: http://119.78.100.158/handle/2HF3EXSE/92645
Appears in Collections:全球变化的国际研究计划
科学计划与规划

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Laurel Fox. RAPID: Plant/pollinator networks in a rare, wet El Nino year. 2016-01-01.
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