01 جنوری 2018 *Available as Download Only The respiration of forest soils and the major factors controlling its rate are fairly well understood. The process is of utmost significance because its balance with the fixation of CO2 in the biomass defines whether a particular site is a source or sink of atmospheric...
Twenty years ago Chelsea Green published the first trade edition ofThe Man Who Planted Trees, a timeless eco-fable about what one person can do to restore the earth. The hero of the story, Elzéard Bouffier, spent his life planting one hundred acorns a day in a desolate, barren section of Provence...
Farmer Managed Natural Regeneration depends on the existence of living tree stumps in the fields to be re-vegetated. New stems which can be selected and pruned for improved growth sprout from these stumps.