气候变化领域集成服务门户(CCPortal): Above and below-ground bacterial communities shift in seagrass beds with warmer temperatures

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DOI	10.3389/fmars.2024.1374946
	Above and below-ground bacterial communities shift in seagrass beds with warmer temperatures
	Walker, Luke D. A.; Gribben, Paul E.; Glasby, Tim M.; Marzinelli, Ezequiel M.; Varkey, Deepa R.; Dafforn, Katherine A.
发表日期	2024
EISSN	2296-7745
起始页码	11
卷号	11
英文摘要	Current rates of ocean warming are predicted to exacerbate ongoing declines in seagrass populations. Above-ground responses of seagrass to increasing temperatures have been studied from a direct physiological perspective while indirect effects, including changes to microbially-mediated below-ground processes, remain poorly understood. To test potential effects of increased temperature on seagrass growth and associated microbial communities, we sampled seagrass beds experiencing ambient and elevated water temperatures at Lake Macquarie, Australia. Sites with warmer water were associated with a plume from a power station discharge channel with temperatures analogous to conditions predicted by 2100 under current rates of ocean warming (+3 degrees C). The microbial community composition in both sediments and leaf tissues varied significantly between warm and ambient water temperatures with higher relative abundances of putative sulphate-reducing bacteria such as Desulfocapsaceae, Desulfobulbaceae and Desulfosarcinaceae in sedimentary communities in warm water. Above-ground biomass and seagrass growth rates were greater at warm sites while below-ground biomass and detrital decomposition rates showed no difference suggesting potential buffering of temperature effects below-ground. These findings suggest a 3 degrees C rise in temperate regions is unlikely to induce mortality in seagrass however, it may shift microbial communities towards more homogenous structure and composition.
英文关键词	microbial community; foundation species; sediment; climate change; bacteria; microbiome; Zostera muelleri
语种	英语
WOS研究方向	Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS类目	Environmental Sciences ; Marine & Freshwater Biology
WOS记录号	WOS:001228950700001
来源期刊	FRONTIERS IN MARINE SCIENCE
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/296231
作者单位	Macquarie University; University of New South Wales Sydney; University of Sydney; NSW Department of Primary Industries; Australian Institute of Marine Science
推荐引用方式 GB/T 7714	Walker, Luke D. A.,Gribben, Paul E.,Glasby, Tim M.,et al. Above and below-ground bacterial communities shift in seagrass beds with warmer temperatures[J],2024,11.
APA	Walker, Luke D. A.,Gribben, Paul E.,Glasby, Tim M.,Marzinelli, Ezequiel M.,Varkey, Deepa R.,&Dafforn, Katherine A..(2024).Above and below-ground bacterial communities shift in seagrass beds with warmer temperatures.FRONTIERS IN MARINE SCIENCE,11.
MLA	Walker, Luke D. A.,et al."Above and below-ground bacterial communities shift in seagrass beds with warmer temperatures".FRONTIERS IN MARINE SCIENCE 11(2024).