Aspect E W W W — — Slope (%) 28 27 0 Mean annual temperature 12.0 12.5 17.8 18.9 24.4 24.4 (oC) Mean annual precipitation 1706 1560 5302 5302 1894 1894 (mm) Late Permian Pleistocene alluvial Paleozoic shales Geological substrate granite terrace Soil pH 4.1 4.1 4.0 4.0 3.9 3.9 Soil organic nitrogen 18.6 12.2 16.4 — — — (g kg-1) Soil organic phosphorus 1.1 1.1 1.4 — — — (g kg-1) Gross primary production 22 ± 2 27 ± 3 39 ± 4 32 ± 4 33 ± 4 36 ± 4 (Mg C ha-1 yr-1) Above-ground net primary 5.3 ± 0.4 5.9 ± 0.6 6.3 ± 0.4 9.4 ± 0.6 11.6 ± 1.1 10.0 ± 1.1 production (Mg C ha-1 yr-1)
Aspect E W W W — — Slope (%) 28 27 0 Mean annual temperature (oC) 12.0 12.5 17.8 18.9 24.4 24.4 Mean annual precipitation (mm) 1706 1560 5302 5302 1894 1894 Geological substrate Paleozoic shales Late Permian granite Pleistocene alluvial terrace Soil pH 4.1 4.1 4.0 4.0 3.9 3.9 Soil organic nitrogen (g kg-1) — 18.6 — 12.2 — 16.4 Soil organic phosphorus (g kg-1) — 1.1 — 1.1 — 1.4 Gross primary production (Mg C ha-1 yr-1) 22 ± 2 27 ± 3 39 ± 4 32 ± 4 33 ± 4 36 ± 4 Above-ground net primary production (Mg C ha-1 yr-1) 5.3 ± 0.4 5.9 ± 0.6 6.3 ± 0.4 9.4 ± 0.6 11.6 ± 1.1 10.0 ± 1.1
metcalfe_2013_ecol_letts_supporting_inf.docx