Chapter 11 Forestry and Resource Management!

Front

What are the five parts of the mature forest structure?

Back

Canopy, subcanopy, snag, understory, forest floor.

Front

What is clear cutting in forestry?

Back

A method of timber harvesting that mimics natural disasters, causes soil erosion, and displaces entire communities of organisms.

Front

Which timber harvesting method is the most costly for a timber company?

Back

Selection system.

Front

How many acres does the US national forest system consist of?

Back

Approximately 193 million acres.

Front

What is an old growth forest?

Back

A forest that has never been logged.

Front

Define 'canopy' in the context of forest structure.

Back

The upper layer of a forest formed by the crowns of tall trees.

Front

What is the role of the understory in a forest?

Back

It provides habitat for various species and consists of smaller trees and shrubs beneath the canopy.

Front

Explain the term 'snag' in forestry.

Back

A standing dead tree that provides habitat for wildlife.

Front

What is the purpose of the shelterwood approach in timber harvesting?

Back

To gradually harvest trees while maintaining a continuous forest cover.

Front

What are the environmental impacts of clear cutting?

Back

It can lead to soil erosion, loss of biodiversity, and disruption of ecosystems.