Light-saturated gross primary production, as a measure of carbon sequestration capacity of forest ecosystem, declined earlier in the late growth season with increasing POD0, suggesting an earlier autumn senescence, especially in the O3-sensitive beech forest, but not in the O3-tolerant oak forest....
The population in Norway was generally not that poor during the 18th century, since natural resources provided export trade with increased income for those who participated in the production chains. The standard of living for the lower social groups was above the subsistence minimum [59]. Parts ...