气候变化领域集成服务门户(CCPortal): Variation in fine root biomass along a 1000 km long latitudinal climatic gradient in mixed boreal forests of North-East Europe

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DOI	10.1016/j.foreco.2018.09.060
	Variation in fine root biomass along a 1000 km long latitudinal climatic gradient in mixed boreal forests of North-East Europe
	Finér L.; Zverev V.; Palviainen M.; Romanis T.; Kozlov M.V.
发表日期	2019
ISSN	0378-1127
起始页码	649
结束页码	655
卷号	432
英文摘要	The geographical patterns in the distribution of fine root biomass (FRB) and in the contribution of fine roots to below-ground nitrogen and carbon stocks are poorly documented. Here, we examined FRB and the ecological factors that govern it, along a 1000 km long latitudinal gradient in unmanaged mixed boreal forests in North-East Europe. We sampled fine roots (diameter ≤2 mm; trees and field layer vegetation combined) twice per growing season in 2015 and 2016 from ten sites spaced one degree of latitude between 60°N (near St. Petersburg) and 69°N (near Murmansk, Russia). We separated living fine roots. The roots were dried and weighed; tissue carbon and nitrogen concentrations were measured. The obtained values were correlated with climatic, plant community and soil characteristics. Among-site variation in the total FRB and carbon and nitrogen concentrations were not explained by latitude or by climatic, plant community or soil characteristics. However, fine root density in the organic layer increased towards the north. The more superficial root system in the north than in the south may indicate a poleward increase in the vulnerability of boreal forests to abiotic risks (forest fires, drought). Our results suggest that the future climate may shift fine roots as well as carbon and nitrogen cycling from the organic layer to mineral soils, thereby increasing the volume of soil utilized by fine roots for water and nutrient uptake. © 2018 Elsevier B.V.
英文关键词	Albic podzol soil; Below-ground biomass; Fine root nitrogen and carbon concentration; Organic layer; Plant community characteristics; Weather conditions
语种	英语
scopus关键词	Biomass; Carbon; Deforestation; Nitrogen; Nutrients; Plants (botany); Soil surveys; Soils; Carbon concentrations; Ground biomass; Organic layers; Plant communities; Podzol soils; Organic carbon; belowground biomass; boreal forest; carbon; climate conditions; environmental gradient; field layer; fine root; geographical distribution; growing season; latitudinal gradient; mixed forest; nitrogen; plant community; Podzol; root system; weather; Biomass; Carbon; Deforestation; Forests; Nitrogen; Nutrients; Roots; Soil; Europe; Murmansk [Russian Federation]; Russian Federation; Saint Petersburg
来源期刊	Forest Ecology and Management
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/156345
作者单位	Natural Resources Institute Finland, Yliopistokatu 6, Joensuu, FI-80100, Finland; University of Turku, Department of Biology, Turku, FI-20014, Finland; University of Helsinki, Department of Forest Sciences, Latokartanonkaari 7, Helsinki, FI-00014, Finland; V.V. Dokuchaev Soil Science Institute, Laboratory of Soil Mineralogy and Micromorphology, Pyzhyovskiy Lane 7 Building 2, Moscow, 119017, Russian Federation
推荐引用方式 GB/T 7714	Finér L.,Zverev V.,Palviainen M.,等. Variation in fine root biomass along a 1000 km long latitudinal climatic gradient in mixed boreal forests of North-East Europe[J],2019,432.
APA	Finér L.,Zverev V.,Palviainen M.,Romanis T.,&Kozlov M.V..(2019).Variation in fine root biomass along a 1000 km long latitudinal climatic gradient in mixed boreal forests of North-East Europe.Forest Ecology and Management,432.
MLA	Finér L.,et al."Variation in fine root biomass along a 1000 km long latitudinal climatic gradient in mixed boreal forests of North-East Europe".Forest Ecology and Management 432(2019).