干旱区生态环境知识资源中心(Arid): The physiology of forager hydration and variation among harvester ant (Pogonomyrmex barbatus) colonies in collective foraging behavior

Arid

DOI	10.1038/s41598-019-41586-3
	The physiology of forager hydration and variation among harvester ant (Pogonomyrmex barbatus) colonies in collective foraging behavior
	Friedman, Daniel A.1; Greene, Michael J.2; Gordon, Deborah M.1
通讯作者	Friedman, Daniel A.
来源期刊	SCIENTIFIC REPORTS
ISSN	2045-2322
出版年	2019
卷号	9
英文摘要	Ants are abundant in desiccating environments despite their high surface area to volume ratios and exposure to harsh conditions outside the nest. Red harvester ant (Pogonomyrmex barbatus) colonies must spend water to obtain water: colonies lose water as workers forage outside the nest, and gain water metabolically through seeds collected in foraging trips. Here we present field experiments showing that hydrated P. barbatus foragers made more foraging trips than unhydrated nestmates. The positive effect of hydration on foraging activity is stronger as the risk of desiccation increases. Desiccation tests showed that foragers of colonies that reduce foraging in dry conditions are more sensitive to water loss, losing water and motor coordination more rapidly in desiccating conditions, than foragers of colonies that do not reduce foraging in dry conditions. Desiccation tolerance is also associated with colony reproductive success. Surprisingly, foragers that are more sensitive to water loss are from colonies more likely to produce offspring colonies. This could be because the foragers of these colonies conserve water with a more cautious response to desiccation risk. An ant's hydration status may influence its response to the olfactory interactions that regulate its decision to leave the nest to forage. Thus variation among ant colonies in worker physiology and response to ambient conditions may contribute to ecologically significant differences among colonies in collective behavior.
类型	Article
语种	英语
国家	USA
开放获取类型	Green Published, gold
收录类别	SCI-E
WOS记录号	WOS:000462298600013
WOS关键词	WATER-BALANCE ; DESICCATION RESISTANCE ; CUTICULAR HYDROCARBONS ; DESERT ANT ; HYMENOPTERA ; INSECTS ; METABOLISM ; MECHANISMS ; EVOLUTION ; DYNAMICS
WOS类目	Multidisciplinary Sciences
WOS研究方向	Science & Technology - Other Topics
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/218767
作者单位	1.Stanford Univ, Dept Biol, Stanford, CA 94305 USA; 2.Univ Colorado, Dept Integrat Biol, Denver, CO 80202 USA
推荐引用方式 GB/T 7714	Friedman, Daniel A.,Greene, Michael J.,Gordon, Deborah M.. The physiology of forager hydration and variation among harvester ant (Pogonomyrmex barbatus) colonies in collective foraging behavior[J],2019,9.
APA	Friedman, Daniel A.,Greene, Michael J.,&Gordon, Deborah M..(2019).The physiology of forager hydration and variation among harvester ant (Pogonomyrmex barbatus) colonies in collective foraging behavior.SCIENTIFIC REPORTS,9.
MLA	Friedman, Daniel A.,et al."The physiology of forager hydration and variation among harvester ant (Pogonomyrmex barbatus) colonies in collective foraging behavior".SCIENTIFIC REPORTS 9(2019).