1. Study of a Rotting Log 1.1

2. For this investigation you will:
Examine the ABIOTIC factors that affect how a log will decompose
Rate the decomposition of a log based on given descriptions
Identify organisms that assist in the log’s decomposition
Be introduced to the concept of cycling of matter

4. BIOTIC FACTORS TO LOOK FOR:
Animal burrows
Woodpecker holes

5. Bracket Fungi may also be seen

6. Look for the white & yellow threads of fungi under the rotting logs
As well as moss that may be growing on the logs

7. Other decomposers such as…
Millipedes
Centipedes
Sow Bugs
Slugs
May also be found!

8. Various mushrooms, puff balls and lichens may be found….
…as well as
salamanders,
baby spiders
and insect larvae.
A rotting log provides a home for many!!

9. Even small mammals may be found in or under a rotting log!
Such as Voles, Mice & Chipmunks

10. …And do a good job of measuring the ABIOTIC factors as well!
So….be aware of all of the BIOTIC factors that may be found in or around your rotting log…
…And do a good job of measuring the ABIOTIC factors as well!