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Fuel characteristics, loads and consumption in Scots pine forests of central Siberia

Journal of Forestry Research 2020年第6期31卷 2507-2524页

作者： galina A.Ivanova Elena A.Kukavskaya Valery A.Ivanov susan g.conard Douglas J.McRae V.N.sukachev institute of forest sb ras-separate subdivision of the federal research center“krasnoyarsk science center of the siberian branch of the russian academy of sciences” krasnoyarskrussia 660036 M.F.reshetnev siberian state university of science and technology krasnoyarskrussia 660049 Emeritus scientist rocky mountain research stationu.s.forest servicemissoulamt 59807usa george mason university fairfaxvausa Canadian forest service natural resources canada1219 queen street eastsault st5.marieon p6a 2e5canada

Forest fuel investigations in central and southern Siberian taiga of Scots pine forest stands dominated by lichen and feather moss ground vegetation cover revealed that total aboveground biomass varied from 13.1 to 21.0 kg/m *** biomass was higher in plots in the southern taiga,while ground fuel loads were higher in the central *** developed equations for fuel biomass(both aerial and ground)that could be applicable to similar pine forest sites of Central *** loading variability found among plots is related to the impact and recovery time since the last wildfi re and the mosaic distribution of living *** consumption due to surface fi res of low to high-intensities ranged from 0.95 to 3.08 kg/m 2,that is,18–74%from prefi re *** total amount of fuels available to burn in case of fi re was up to 4.5–6.5 kg/m *** content of fuels(litter,lichen,feather moss)was related to weather conditions characterized by the Russian Fire Danger Index(PV-1)and FWI code of the Canadian Forest Fire Weather Index *** data obtained provide a strong foundation for understanding and modeling fi re behavior,emissions,and fi re eff ects on ecosystem processes and carbon stocks and could be used to improve existing global and regional models that incorporate biomass and fuel characteristics.

关键词： Pinus sylvestris Tree biomass Surface and ground fuel loads Fuel moisture Fuel consumption

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