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    Author(s): Robert M. Hubbard; Michael G. Ryan; Kelly ElderCharles C. Rhoades
    Date: 2005
    Source: Biogeochemistry. 73(1): 93-107
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: Download Publication  (324.71 KB)


    Soil CO2 flux can contribute as much as 60-80% of total ecosystem respiration in forests. Although considerable research has focused on quantifying this flux during the growing season, comparatively little effort has focused on non-growing season fluxes. We measured soil CO2 efflux through snow in 50 and 300 year old subalpine forest stands near Fraser CO. Our objectives were to quantify seasonal patterns in wintertime soil CO2 flux; determine if differences in soil CO2 flux between the two forest ages during the growing season persist during winter; and to quantify the sample size necessary to discern treatment differences.

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    Hubbard, Robert M.; Ryan, Michael G.; Elder, Kelly; Rhoades, Charles C. 2005. Seasonal patterns in soil surface CO2 flux under snow cover in 50 and 300 year old subalpine forests. Biogeochemistry. 73(1): 93-107


    carbon budget, forest age, soil respiration, soil surface CO2 efflux, subalpine ecosystems, Fraser Experimental Forest

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