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The system involves clearing land, by fire or clear-felling, for economically important crops such as upland rice, vegetables or fruits. After a few cycles, the land's fertility declines and a new area is chosen. Jhum cultivation is most often practiced on the slopes of thickly-forested hills. Cultivators cut the treetops to allow sunlight to ...
In the most general sense, a glade or clearing is an open area within a forest. [ 1 ] [ 2 ] Glades are often grassy meadows under the canopy of deciduous trees such as red alder or quaking aspen in western North America .
However, some indigenous forest peoples, for example the 19th century Forest Finns rotate over the land and it does return to forest and this would be sustainable. Slash and burn techniques are typically used by civilians in search of land for living and agricultural purposes. The forest is first clear cut, and the remaining material is burned.
The clearing of woods and forests is the process by which vegetation, such as trees and bushes, together with their roots are permanently removed. The main aim of this process is to clear areas of forest, woodland or scrub in order to use the soil for another purpose, such as pasture land, arable farming , human settlement or the construction ...
In the Chippewa National Forest (Lake States), seed-spot sowing of 10 seeds each of white spruce and white pine under 40-year aspen after different degrees of cutting on gave second-season results clearly indicating the need to remove or disturb the forest floor to obtain germination of seeded white spruce and white pine. [133]
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A forest, six years after reforestation efforts in Panama. Reforestation in progress: Direct-sowing of seed in a burned area (after a wildfire) in the Idaho Panhandle National Forest, United States. Reforestation is the practice of restoring previously existing forests and woodlands that have been destroyed or damaged.
Secondary succession is the secondary ecological succession of a plant's life. As opposed to the first, primary succession, secondary succession is a process started by an event (e.g. forest fire, harvesting, hurricane, etc.) that reduces an already established ecosystem (e.g. a forest or a wheat field) to a smaller population of species, and as such secondary succession occurs on preexisting ...