. Carbon Storage in Protected Areas â Technical Report. The estimate of total carbon stock in Canada derived by authors of the regional study (Tamocai & Lacelle, 1996) is Gigatons. This number is higher than the relevant number derived from a global dataset ( Gt). This higher level of uncertainty is expected for soil data, which has not been accurately estimated at a global scale (Annex 1), and it is clear that the underestimation of carbon in soil in high density areas is a limitation of this study. Peat land carbon - Canada The Peatlands of Canada Digital Database (Tamoc
. Carbon Storage in Protected Areas â Technical Report. The estimate of total carbon stock in Canada derived by authors of the regional study (Tamocai & Lacelle, 1996) is Gigatons. This number is higher than the relevant number derived from a global dataset ( Gt). This higher level of uncertainty is expected for soil data, which has not been accurately estimated at a global scale (Annex 1), and it is clear that the underestimation of carbon in soil in high density areas is a limitation of this study. Peat land carbon - Canada The Peatlands of Canada Digital Database (Tamocai et al. 2005) provides an estimate of the peatland extent of Canada. The map presented in Figure 9 is derived from this regional source and estimates the average density of peat carbon within all landscape units containing peatlands. It should be noted that, due to variations in the ratio of peatland area within landscape units, the densities depicted on the map may represent the total density of soil carbon within a particular unit only when peatland completely covers that particular landscape unit. For units with a lower ratio of peatland area, an additional amount of carbon is expected to be found in non-peatland habitats. An example of continuous territory in which peatlands cover reaches 100% is highlighted on the map (Figure 9). HP i ^^^^^-4 ^'-^^flS^^^ ^^^ L. *⢠-*i ^^s i^^^ '^**-^ ^ ^M B ^^s ^^^^^H ^^^^HBul. 7ii ^9^ ^^K^P TS^^I -~:5i ^^^fe-" "^w^^^^U mL ^^^3B m U^Hj^^ ?r* ^^^gS^^^ Peat carbon, tons/hectare 0 1-5 ^6-10 ^^11-20 21-50 51 - 100 1 101-200 H 201 - 400 ^ 401 - 800 ^â >800 ~a Other land Figure 8: Peat carbon component density in selected Canadian landscapes (based on Tamocai e/a/. 2005). Red outline indicates the territory with 100% peatland coverage. Carbon, tons/hectare |0 ^6-10 111-20 ZU 21 - 50 151-100 ~3 101-200 ^ 201 - 400 â i 401 - 800 ^>800 3 other land. Figure 9: Soil carbon density in Canada (based on IGBP-DIS, 2000). Compariso
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