Bee ecology and evolution in the context of global change
全球变化背景下的蜜蜂生态与进化
基本信息
- 批准号:RGPIN-2019-05100
- 负责人:
- 金额:$ 3.42万
- 依托单位:
- 依托单位国家:加拿大
- 项目类别:Discovery Grants Program - Individual
- 财政年份:2020
- 资助国家:加拿大
- 起止时间:2020-01-01 至 2021-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Bees are crucial for pollination of many crops and wild plants, yet much remains unknown about the world's ~20,000 wild bee species. The lack of information makes it difficult to know how wild bees will respond to challenges such as climate change and species introductionslet alone make informed management recommendations. My research program will make new discoveries about bees while addressing fundamental questions in insect ecology and evolutionary biology and training students in valuable field, laboratory, and communication skills. In the next five years, we will address three goals: 1. To understand how climate change is affecting solitary bee populations in the southwestern U.S., where drought severity is increasing, we will build on my lab's existing 5-year, multi-site dataset on bee reproduction, flower abundance, and temperature. We will assess how reproductive output of cavity-nesting bees is affected by shifts in the timing of bee emergence relative to flowering time, and by effects of drought on nectar and pollen availability. We will also measure temperatures inside bee nests and test whether warmer temperatures allow bee parasites to accelerate development relative to their hosts. 2. To understand the factors that limit geographic ranges of wild bees, we will study solitary bees in northeastern North America and the Rocky Mountains, asking whether northern or upper-elevation range limits are determined by temperature, abundance of floral host-plants, season length, or the extent of overlap between bee activity periods and flowering. These studies will help us predict how bee ranges will respond to climate change and arrival of non-native plant species with differing flowering times. 3. We will re-evaluate how coevolution between bees and plants has given rise to bee diversity. Bees are normally viewed as beneficial to plants, but as pollen consumers, their relationship with plants is also adversarial. Indeed, pollens of many plant species possess defensive chemicals, suggesting that plants protect their pollen; conversely, certain groups of bees specialize on seemingly defended pollen types, suggesting that they have evolved to overcome the defences. We will conduct field observations of pollen usage by specialist and generalist bee species, syntheses of citizen-science data, and laboratory experiments testing (a) abilities of specialist and generalist bees to use different pollens, and (b) abilities of different pollens to resist infection by fungal pathogens of bees. These studies will provide the first tests of hypotheses for why bees specialize on certain pollen types. The results will help us predict when newly available pollen types will be incorporated in bee diets and make better suggestions about which plants to include in “pollinator-friendly" gardens. Overall, this research will provide novel insights into the evolutionary history of wild bees as well as their future in a rapidly changing world.
蜜蜂对许多农作物和野生植物的授粉至关重要,但对世界上约20,000种野生蜜蜂物种仍知之甚少。由于缺乏信息,很难知道野生蜜蜂将如何应对气候变化和物种引进等挑战,更不用说提出明智的管理建议了。我的研究计划将使蜜蜂的新发现,同时解决昆虫生态学和进化生物学的基本问题,并培养学生在宝贵的领域,实验室和沟通技巧。在未来五年,我们将致力于三个目标:1。为了了解气候变化如何影响美国西南部的独居蜜蜂种群,在干旱严重程度增加的地方,我们将建立在我实验室现有的5年多地点蜜蜂繁殖,花卉丰富度和温度数据集的基础上。我们将评估如何腔巢蜜蜂的生殖输出是受蜜蜂出现的时间相对于开花时间的变化,以及干旱对花蜜和花粉可用性的影响。我们还将测量蜂巢内的温度,并测试温暖的温度是否允许蜜蜂寄生虫相对于宿主加速发育。2.为了了解限制野生蜜蜂地理范围的因素,我们将研究北美东北部和落基山脉的独居蜜蜂,询问北方或海拔较高的范围限制是否由温度、花宿主植物的丰富程度、季节长度或蜜蜂活动期和开花期之间的重叠程度决定。这些研究将帮助我们预测蜜蜂的范围将如何应对气候变化和不同开花时间的非本土植物物种的到来。3.我们将重新评估蜜蜂和植物之间的共同进化是如何产生蜜蜂多样性的。蜜蜂通常被认为对植物有益,但作为花粉消费者,它们与植物的关系也是敌对的。事实上,许多植物物种的花粉都具有防御性化学物质,这表明植物保护它们的花粉;相反,某些蜜蜂群体专门研究看似防御的花粉类型,这表明它们已经进化到克服防御。我们将进行专业和多面手蜂种花粉使用的实地观察,公民科学数据的合成,和实验室实验测试(a)专业和多面手蜂使用不同花粉的能力,和(B)不同花粉抵抗蜜蜂真菌病原体感染的能力。这些研究将为蜜蜂为什么专门研究某些花粉类型的假设提供第一次测试。这些结果将帮助我们预测新的花粉类型何时会被纳入蜜蜂的饮食中,并就哪些植物应该被纳入“传粉者友好”的花园提出更好的建议。总的来说,这项研究将为野生蜜蜂的进化历史以及它们在快速变化的世界中的未来提供新的见解。
项目成果
期刊论文数量(0)
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Forrest, Jessica其他文献
Immigration and zooplankton community responses to nutrient enrichment: a mesocosm experiment
- DOI:
10.1007/s00442-006-0490-4 - 发表时间:
2006-11-01 - 期刊:
- 影响因子:2.7
- 作者:
Forrest, Jessica;Arnott, Shelley E. - 通讯作者:
Arnott, Shelley E.
Pollinator experience, neophobia and the evolution of flowering time
- DOI:
10.1098/rspb.2008.1434 - 发表时间:
2009-03-07 - 期刊:
- 影响因子:4.7
- 作者:
Forrest, Jessica;Thomson, James D. - 通讯作者:
Thomson, James D.
Pollen limitation and cleistogamy in subalpine Viola praemorsa
- DOI:
10.1139/b08-020 - 发表时间:
2008-05-01 - 期刊:
- 影响因子:0
- 作者:
Forrest, Jessica;Thomson, James D. - 通讯作者:
Thomson, James D.
CONSEQUENCES OF VARIATION IN FLOWERING TIME WITHIN AND AMONG INDIVIDUALS OF MERTENSIA FUSIFORMIS (BORAGINACEAE), AN EARLY SPRING WILDFLOWER
- DOI:
10.3732/ajb.0900083 - 发表时间:
2010-01-01 - 期刊:
- 影响因子:3
- 作者:
Forrest, Jessica;Thomson, James D. - 通讯作者:
Thomson, James D.
Background complexity affects colour preference in bumblebees
- DOI:
10.1007/s00114-009-0549-2 - 发表时间:
2009-08-01 - 期刊:
- 影响因子:0
- 作者:
Forrest, Jessica;Thomson, James D. - 通讯作者:
Thomson, James D.
Forrest, Jessica的其他文献
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{{ truncateString('Forrest, Jessica', 18)}}的其他基金
Bee ecology and evolution in the context of global change
全球变化背景下的蜜蜂生态与进化
- 批准号:
RGPIN-2019-05100 - 财政年份:2022
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
Bee ecology and evolution in the context of global change
全球变化背景下的蜜蜂生态与进化
- 批准号:
RGPIN-2019-05100 - 财政年份:2021
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
Bee ecology and evolution in the context of global change
全球变化背景下的蜜蜂生态与进化
- 批准号:
RGPAS-2019-00041 - 财政年份:2020
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
Bee ecology and evolution in the context of global change
全球变化背景下的蜜蜂生态与进化
- 批准号:
RGPAS-2019-00041 - 财政年份:2019
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Accelerator Supplements
Bee ecology and evolution in the context of global change
全球变化背景下的蜜蜂生态与进化
- 批准号:
RGPIN-2019-05100 - 财政年份:2019
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
Pollination in a changing environment
在不断变化的环境中授粉
- 批准号:
435988-2013 - 财政年份:2018
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
Pollination in a changing environment
在不断变化的环境中授粉
- 批准号:
435988-2013 - 财政年份:2017
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
Pollination in a changing environment
在不断变化的环境中授粉
- 批准号:
435988-2013 - 财政年份:2016
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
Pollination in a changing environment
在不断变化的环境中授粉
- 批准号:
435988-2013 - 财政年份:2015
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
Pollination in a changing environment
在不断变化的环境中授粉
- 批准号:
435988-2013 - 财政年份:2014
- 资助金额:
$ 3.42万 - 项目类别:
Discovery Grants Program - Individual
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