Negative Effects of Clear-Cutting

Negative Effects of Clear-Cutting
••• jotily/iStock/GettyImages

Clear-cutting is practiced on a large scale by lumber and logging companies. From small farmers slashing and burning a few acres for subsistence to large agribusiness corporations clearing thousands of acres, clear-cutting is part of the worldwide phenomenon of deforestation. According to National Geographic, 30 percent of the Earth's land is covered by forests. In the early 21st century, a forested area the size of Panama is cut down every year.


The controversial practice of clear-cutting fells and removes all the trees from a tract of forested land. Clear-cutting's main purpose is to convert forests into farmland. Large portions of the Amazon rain forest have been clear-cut to make way for large-scale cattle grazing operations. Logging companies build roads in heavily forested areas to accommodate the bulldozers and heavy equipment needed to remove the old growth trees. These activities have many negative consequences for the environment.

Forest Biome

A forest biome is a balanced and interwoven set of ecosystems. The community of trees, plants, animals, insects, fungi and lichen all work together to increase one another's chance of survival. This finely tuned ecological niche is disrupted by clear-cutting. Removal of the forest canopy negatively affects the other ecological zones. The umbrella-like canopy regulates the amount of wind and sunlight the forest floor receives. The disruption of the forest's uppermost protective layer upsets the biome's microclimate.


Removal of all the trees from an area destroys the physical habitats of many species of wildlife. The most famous is the northern spotted owl. The bird is one of many that nest and live in dense forests. Woodpeckers, hawks, bats and flying squirrels are some of the forest fauna that lose their homes and hunting grounds as a result of clear-cutting. The diversity of animal species is decreased by the removal of mature trees.

Water And Soil

Mass removal of trees increases the soil erosion by water runoff. Excessive runoff muddies waterways and harms aquatic life. Removal of trees shading streams raises the water temperature and lowers its oxygen levels to the detriment of fish and other aquatic fauna. The soil decreases in quality once the falling leaves that provide nutrient-rich humus are gone. Building roads and operating heavy equipment in the woods compacts the soil, harming the habitat of dirt-dwelling organisms.

Related Articles

Environmental Problems Caused by Deforestation of Tropical...
What Are the Causes of the Destruction of Ecosystem?
How Does Deforestation Affect the Weather?
The Disadvantages of Deforestation
The Effects of Cutting Down Trees on the Ecosystem
How Can We Actively Restore the Environment?
Effects of Land Clearing
Which of Man's Activities Speeds Up Erosion?
How Does Deforestation Affect the Air?
Why Is Deforestation a Serious Global Environmental...
Facts on Overpopulation and Deforestation in the Amazon...
Timber Industry Effect on Water Pollution
Alaskan Tundra Facts
Cambodia's Environmental Problems
Why Are Trees Important to the Ecosystem?
Animals Found in the Tropical Evergreen Forest
Summary of an Ecosystem
Natural Disasters in the Rainforests
The Kinds of Human Activities That Have Destroyed Ecosystems
Four Consequences of Deforestation