SUB-ARCTIC

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High seed losses in mountain birch(Betula pubescens ssp.tortuosa)and developmental,ecological,and environmental correlates
《Journal of Plant Ecology》2024年第4期56-69,共14页Guorun Oskarsdottir Thora E.Thorhallsdottir Kristin Svavarsdottir 
supported by the Icelandic Research Fund(173688).
Plants typically experience great losses from their reproductive potential represented by ovule production to the post-dispersal crop of viable seed.We examined seed density and viability in a founder population of mo...
关键词：Betula pubescens ssp.tortuosa(Ledeb.)Nyman Iceland seed quality seed losses Semudobia betulae SUB-ARCTIC 
Analysis of Observed and Modelled Near-Surface Wind Extremes over the Sub-Arctic Northeast Pacific被引量：1
《Atmospheric and Climate Sciences》2019年第1期146-158,共13页Alexander Kislov Vladimir Platonov 
Wind speed extremes in the sub-Arctic realm of the North-East Pacific region were investigated through extreme value analysis of wind speed obtained from wind simulations of the COSMO-CLM (Consortium for Small-scale M...
关键词：EXTREME WIND SPEED ANALYSIS Modelled EXTREME WIND SPEED Arctic and SUB-ARCTIC Circulation 
Bulk density of mineral and organic soils in the Canada’s arctic and sub-arctic被引量：4
《Information Processing in Agriculture》2015年第3期183-190,共8页M.F.Hossain W.Chen Yu Zhang 
Bulk density is an indicator of soil compaction subject to anthropogenic impact,essential to the interpretation of any nutrient budgets,especially to perform carbon inventories.It is so expensive to measure bulk densi...
关键词：Bulk density Mineral and organic soils Canada’s arctic and sub-arctic 
Uncertainty assessment of a polygon database of soil organic carbon for greenhouse gas reporting in Canada’s Arctic and sub-arctic被引量：1
《Information Processing in Agriculture》2014年第1期34-41,共8页M.F.Hossain Yu Zhang W.Chen 
This study is supported by a joint project between Environment Canada and Natural Resources Canada for estimation of greenhouse gases emissions and removals from land use changes over Canada’s Arctic and sub-arctic,and it is also supported by the climate change program in Natural Resources Canada.
Canada’s Arctic and sub-arctic consist 46%of Canada’s landmass and contain 45%of the total soil organic carbon(SOC).Pronounced climate warming and increasing human disturbances could induce the release of this SOC t...
关键词：Arctic and sub-arctic SOC Uncertainty analysis 
Rapid landscape change and human response in the Arctic and sub-Arctic
《Episodes》2005年第4期288-289,共2页David Liverman Panya Lipovsky 
This interdisciplinary meeting was convened under the auspices of the ＂Dark Nature＂ project funded by the International Council of Science （ICSU）. This project aims to examine how past societies and communities re...
关键词：北极 景观变化 学术交流 地理环境 
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