Arquivos: Glossário

A buried perforated pipe designed to remove excess water from soils.

Predominantly unsorted and unstratified drift, deposited directly by and underneath a glacier without subsequent reworking by meltwater, and consisting of a heterogeneous mixture of clay, silt, sand, gravel, and boulders.

Hinged gate counterbalanced by weights that automatically opens and closes with a change in head.

Refers to trees only, excluding land, for the purpose of producing forest products.

The process of estimating the quality, quantity, and characteristics of trees in a forest.

A management group that buys, manages, and sells forestland and timber on behalf of institutional clients – e.g., insurance companies, pension funds, and endowments.

Improving the quality of a forest stand by removing or deadening undesirable species to achieve desired stocking and species composition. TSI practices include applying herbicides, burning, girdling, or cutting.

Stumpage volumes that forest owners will harvest at different stumpage prices for a given region and year.

The annual percent change in liquidation value of standing timber, excluding land.

Forestland producing, or capable of producing, crops of industrial wood (more than 20 cubic feet per acre per year), and not withdrawn from timber utilization. Formerly known as commercial forestland.