Land use/ vegetation cover/Site

DOC flux (g C m-2 y-1)*

Reference
Surface soil (0–20 cm)  flux Subsurface soil (20–100 cm) flux Stream flux
Eucalyptus forest and grasses, sandy loam, South Australia 22 2–3 ­­ Stevens and Cox (1999)
Eucalyptus forest and grasses, clay loam, South Australia 2–5 3–5 ­ Stevens and Cox (1999)
Deciduous forest, Coweeta forest, NC 42 ­   Qualls et al. (1991)
Temperate deciduous forest, Coweeta forest, NC   ­ 2 Meyer and Tate (1983)
Hardwood and temperate deciduous forest, Hubbard forest, NH 21 2 2 McDowell and Likens (1988)
Hardwood forest, Harvard forest, MA 40 12   Currie et al. (1996)
Coniferous forest, Harvard forest, MA 23 17   Currie et al. (1996)
Temperate evergreen forest, Westlake, New Zealand 84 18 1 Moore (1989)
Moss/Fern/Scrub forest, Westlake, New Zealand 69 69 42 Moore and Jackson (1989)
Temperate evergreen forest, Bavaria, Germany 11–17 2   Michalzik and Matzner (1999)
Tropical evergreen forest, Luquillo LTER, Puerto Rico   4–9 3 McDowell (1998)
Tropical evergreen forest, Central Amazon Basin, Brazil   2   McClain et al. (1997)
Tropical flooded forest, Central Amazon Basin, Brazil   40   McClain et al. (1997)
Hardwood forest (Oak), Jutland, Denmark 26 2   Nielsen et al. (1999)
Coniferous forest (Spruce), Jutland, Denmark 46 14   Nielsen et al. (1999)
Mixed Pine–Oak forest, Atlantic Plain, SC 13 6 ­ Dosskey and Bertsch (1997)
*Surface and subsurface soils are usually Oi or Oa, and B horizons, respectively
Table 2: Dissolved organic carbon (DOC) across a range of ecosystems (modified from Neff and Asner [125]).