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Illinois
  Forest Structure    
 
 
Introduction
Illinois Forests
Definition
Structure
Classifying
Importance
Present Day Forests
Recent Forests
Ancient Forests
Conservation
How Do We Know?
Human Inspiration
Tree Guide
Glossary
Resources
Credits
Teacher Orientation
      A forest has a distinct vertical structure. Within a healthy forest, there are recognizable layers of plants, from the soil to the treetops. Each of these layers is composed of one or more dominant types of plants. The interactive image below illulstrates the five layers that appear in most forests: the canopy, shrub, herbaceous, litter, and soil layers. 

Move your mouse across picture and click on the different parts of the image as they are highlighted. A description of the layer will appear to give you more information about forest structure.


 
 

 

   
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