1. Biotic?
Abiotic?

2. Ecological Investigations
Simple questions with complex answers:
What is there?
How many are there?
Where are they?
Why is it like this?

3. Measuring Abiotic Components
Terrestrial ecosystem
Aquatic ecosystem

6. Marine Ecosystem

7. Abiotic Factors Marine Ecosystem Dissolved Oxygen Salinity Wave ActionpH
Temperature

8. Freshwater Ecosystem

9. Abiotic Factors Freshwater Ecosystem Dissolved Oxygen Flow Velocity
Turbidity pH
Temperature

10. Terrestrial Ecosystem

11. Terrestrial Ecosystem
Light Intensity
Wind Speed
Mineral Content
Soil Moisture
Abiotic Factors
Terrestrial Ecosystem
Slope / Aspect
Drainage
Temperature
Particle Size

12. Abiotic factors of a forest ecosystem
Using a table, list the abiotic factors you used to measure the abiotic factors of the pond. Evaluate the effectiveness of each technique.
Abiotic Factor
Apparatus
Units
Effective Use
Dissolved Oxygen
Oxygen-selective electrode
mg/l
Simple to use; accurate to nearest 0.01 mg/l

13. Evaluating measuring techniques
Have a go at the worksheet…