Declines in productivity may be the result of climate change, deforestation, overgrazing, poverty, political instability, unsustainable irrigation practices, or combinations of these factors.
Indeed, researchers have discovered that presenteeism-related declines in productivity sometimes can be more than offset by relatively small investments in screening, treatment, and education.
His study of the working patterns of creative geniuses such as Dante and Paul Gauguin revealed a pattern of abrupt changes in style, or declines in productivity, which emerged around the subjects' mid- to late-30s.
At first, international agencies such as the International Monetary Fund (IMF) and the World Bank, as well as Mobutu's allies in the West, turned a blind eye to his personal appropriation of the economy and the associated declines in productivity and exports.
The apparent paradoxes of individual tree growth increasing with tree size despite declining leaf-level8,9,10 leaf-level8,9,100 productivity candbe explained, respectively, by increases in a tree's total leaf area that outproductivitys in producanvity per unit of leaf area and, among other factors, age-related reductions in population density.
Declines in productivity on hillslope pasture were measured at 2% per decade after forest removal (Trustrum et al. [1983]).
