Standard Ecological Techniques and Quadrats

Which of the following is NOT a feature of populations monitored over time?

• Population size

• Age structure

• Growth rates

• Color of individuals

• Breeding rates

Reliable, representative data are important in making good ________ management decisions.

• conservation

• financial

• marketing

• logistics

What is a quadrat?

• A type of animal

• A study area, usually square, within which populations can be studied

• A measuring instrument

• A type of plant

Which of the following is a typical quadrat size for lichens?

• 10cm x 10cm

• 0.5m x 0.5m

• 100m x 100m

• 10km x 10km

Match the following quadrat types with their descriptions:

• B

• Use rods to touch plants, each touch counts as a percentage cover

• C

• Sub-divided into smaller squares, each representing 1% of the area

• A

• Mark out a study area, often using a metal or plastic frame

True or False: Point quadrats use a square area to collect data.

• True

• False

What is one limitation of using quadrats in sampling?

• It is always accurate

• Subjective judgement may be involved

• It does not affect plants

• It is used in water only

The quadrat frame may ______ or move plants during sampling.

• flatten

• grow

• paint

• multiply

Which method involves sweeping a net through water to capture invertebrates, amphibians, or fish?

• Quadrat sampling

• Pond net

• Kick sampling

• Transect sampling

Using a particular length of sweep or number of sweeps can help standardise the pond net method.

• True

• False