Ecological Sampling Methods Flashcard

Front

What is a light trap?

Back

A sampling technique that uses UV light to attract insects, which are then collected on a white sheet.

Front

What is the primary advantage of aerial photography in ecological studies?

Back

It allows counting of large animal herds from a distance.

Front

Which method is NOT used for sampling motile organisms?

Back

Point frames are used for sampling plants, not motile organisms.

Front

What is the purpose of random sampling in ecological studies?

Back

To ensure representative data collection across a study area.

Front

What equipment is essential for a basic pitfall trap?

Back

A buried container and a rain cover to prevent water from filling the trap.

Front

Define ecological sampling.

Back

The process of selecting a subset of individuals from a population to estimate characteristics of the whole population.

Front

What is a pitfall trap?

Back

A method used to capture ground-dwelling organisms by placing a container in the ground that they fall into.

Front

Explain the use of seine nets in ecological sampling.

Back

Seine nets are used to catch fish and other aquatic organisms by dragging a net through the water.

Front

What is the significance of using a Tullgren funnel?

Back

It is used to extract small invertebrates from soil or leaf litter by using heat and light.

Front

What is the role of a sweep net in ecological studies?

Back

A sweep net is used to collect insects from vegetation by sweeping it through the foliage.