Ecological Surveying Techniques

Explain what a quadrat measures

Which are abiotic factors?

• Temperature

• Grasses

• Trees

• pH

What is the name of the survey used to assess changing biotic data across ecosystem profiles?

• Line transect

• Quadrat survey

• Belt transect

• Linear sampling

Would you use a quadrat in a transect survey?

• Possibly

• Yes, always

• Never

Biotic factors are factors that relate to ...

• Living things

• Non-living things

Abiotic factors are factors relating to ...

• Living things

• Non-living things

Which piece of equipment can be used for estimating the number of plants in an area?

• Light meter

• Pitfall trap

• Quadrat

• Moisture meter

Which of the following is a biotic factor?

• Temperature

• pH

• Food availability

• Moisture

Which of the following reasons explains why grass grows abundantly in a field but not in a wood?

• The woodland animals have eaten all the grass

• The wood will be too sheltered from the wind

• There is a higher light intensity in the field for photosynthesis

How can a representative sample of the plant species growing in a field be obtained?

• By randomly placing a quadrat at many different locations around the field

• By randomly placing many quadrats in one corner of the field

• By placing one quadrat at a random location in the field