Table 1 Location, characteristics of the sampled trees and weather of the five black spruce stands located in the boreal forest of Quebec, Canada, listed at increasing latitude: values are reported as mean ± standard deviation
Site | Latitude (°N) | Longitude (°W) | Altitude (m a.s.l.) | H (m) | DBH (cm) | Age (years) | Stand basal area (m2 ha−1) | Annual temperature (°C) | May-September temperature (°C) | Annual precipitation (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
SIM | 48°13′ | 71°15′ | 338 | 17.22 ± 0.75 | 20.92 ± 1.42 | 80.60 ± 1.52 | 32.5 | 4.1 | 14.6 | 1,162 |
BER | 48°51′ | 70°20′ | 611 | 16.83 ± 0.82 | 20.38 ± 1.82 | 133.40 ± 2.72 | 42.5 | 1.8 | 12.6 | 1,109 |
MIS | 49°43′ | 71°56′ | 342 | 18.16 ± 0.79 | 20.28 ± 1.58 | 113.00 ± 4.00 | 30.0 | 2.0 | 13.6 | 1,009 |
DAN | 50°41′ | 72°11′ | 487 | 18.32 ± 1.27 | 22.04 ± 1.69 | 134.20 ± 2.56 | 28.0 | 0.0 | 12.1 | 1,006 |
MIR | 53°47′ | 72°52′ | 441 | 12.60 ± 0.70 | 20.46 ± 1.10 | 110.60 ± 4.32 | 10.0 | −1.6 | 11.1 | 827 |