Ecological Problem Solving

Pacific Forest terms

Forest Service - a division of the Department of Agriculture–USDA.

clearcut - the forestry practice of removing all the trees for timber

ecotone - that borderland between two distinct vegetational areas

fire break - an artificial or natural area devoid of tall trees

old growth - a diverse stand of trees 500 years old or more

Park Service - a division of the Department of Interior


Western forest lands are part of the public domain


riparian - vegetation that borders along stream or river.

selective cutting - a recent practice of leaving certain tall trees for propagation.

tributary - a river's contributing streams adding runoff and siltation to the mainstream.


Red patches indicate the effects of clear cutting of timber as policy in British Columbia.


Impacts of logging along the Columbia River in Oregon

These buttons below work as navigational aids.

Last Updated on October 27, 2005.

By Joseph Siry

Forest related | Home | Florida trees | site-map | Ecology | laws | quick look