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DOI | 10.1111/ele.13517 |
The seventh macronutrient: how sodium shortfall ramifies through populations, food webs and ecosystems | |
Kaspari, Michael | |
2020-05-07 | |
发表期刊 | ECOLOGY LETTERS |
ISSN | 1461-023X |
EISSN | 1461-0248 |
出版年 | 2020 |
卷号 | 23期号:7页码:1153-1168 |
文章类型 | Review |
语种 | 英语 |
国家 | USA |
英文摘要 | Of the 25 elements required to build most organisms, sodium has a unique set of characteristics that ramify through terrestrial ecology. In plants, sodium is found in low concentrations and has little metabolic function; in plant consumers, particularly animals, sodium is essential to running costly Na-K ATPases. Here I synthesise a diverse literature from physiology, agronomy and ecology, towards identifying sodium's place as the '7th macronutrient', one whose shortfall targets two trophic levels - herbivores and detritivores. I propose that sodium also plays a central, though unheralded role in herbivore digestion, via its importance to maintaining microbiomes and denaturing tannins. I highlight how sodium availability is a key determinant of consumer abundance and the geography of herbivory and detritivory. And I propose a re-appraisal of the assumption that, because sodium is metabolically unimportant to most plants, it is of little use. Instead, I suggest that sodium's critical role in limiting herbivore performance makes it a commodity used by plants to manipulate their herbivores and mutualists, and by consumers like bison and elephants to generate grazing lawns: dependable sources of sodium. |
英文关键词 | Biogeochemistry biogeography global change herbivory ionomics plant chemistry plant-consumer interactions pollination sodium stoichiometry |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000530744200001 |
WOS关键词 | CHEMICAL-COMPOSITION ; DECOMPOSITION RATES ; BRAIN-DEVELOPMENT ; URINE DEPOSITION ; SALT PREFERENCES ; MINERAL-CONTENT ; GRAZING LAWNS ; HONEY-BEE ; PLANT ; HERBIVORE |
WOS类目 | Ecology |
WOS研究方向 | Environmental Sciences & Ecology |
URL | 查看原文 |
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文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/249126 |
专题 | 资源环境科学 |
作者单位 | Univ Oklahoma, Dept Biol, Geog Ecol Grp, Norman, OK 73019 USA |
推荐引用方式 GB/T 7714 | Kaspari, Michael. The seventh macronutrient: how sodium shortfall ramifies through populations, food webs and ecosystems[J]. ECOLOGY LETTERS,2020,23(7):1153-1168. |
APA | Kaspari, Michael.(2020).The seventh macronutrient: how sodium shortfall ramifies through populations, food webs and ecosystems.ECOLOGY LETTERS,23(7),1153-1168. |
MLA | Kaspari, Michael."The seventh macronutrient: how sodium shortfall ramifies through populations, food webs and ecosystems".ECOLOGY LETTERS 23.7(2020):1153-1168. |
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