Arquivos: Glossário

Portion of a reservoir allotted to the accumulation of submerged sediment during the design life of the dam.

Rocks formed by the consolidation of loose sediment that has accumulated in layers.

The act or process of forming or accumulating sediment in layers; the process of deposition of sediment.

Fragments of material produced by weathering and erosion of rocks.

See System of Integrated Environmental and Economic Accounting .

A harvesting method in which a few scattered trees are left in the area to provide seed for a new forest stand. Selection of seed trees should be based upon growth rate, form, seeding ability, wind firmness, and future marketability. This harvesting method produces an even-aged forest.

A year in which a given species produces a large seed crop over a sizable area. Some species of trees produce seeds irregularly.

(a) A tree, usually less than 2 inches diameter at breast height, that has grown from a seed rather than from a sprout. (b) A nursery-grown tree that has not been transplanted in the nursery.

A small area where water percolates (see percolation) slowly to the land surface.

Slow movement of water through small cracks or pores of a material into or out of a body of surface or subsurface water; loss of water by infiltration into the soil from a canal, ditches, laterals, reservoir or other body of water.