Earthworm Habitat Studies

General Soil Survey Data Sheet

1. Describe what you see on the forest floor (look underneath any leaf litter from last fall)

    

    

2. Are there patches of bare soil visible?

   Yes

   No

3. If yes, what percent of the ground surface is exposed soil? (Select one category)

   0-5%

   5-25%

   25-50%

   50-75%

   75-100%

4. Is there evidence of earthworm activity at the surface (burrow holes, cast material, etc,)?
   

   Yes

   No

5. If yes, describe the type earthworm evidence present (see instructions for suggestions)

    

    

6. Is there an accumulation of litter from previous years on the forest floor (duff layer)?
   

   Yes

   No

7. If yes, measure the thickness to the nearest centimeter:

    

    

8. Describe the litter layer in your site (see instructions for suggestions)

    

    

9. What is the average soil texture for your site (use simplified soil texture key provided)

    

    

10. Describe any other interesting soil features you observed