week 40 - coastal - comparison

• Ecology
• Further Education (Key Stage 5)

Comparison of survey techniques

Quadrat

Historical maps and photographs

Catching and tagging animals

Transect surveys

Costly

- Not always available

- Low detectability of wildlife

+ Easy and inexpensive

+ Inexpensive

+ Movement and population data

+ Comparison over time (longitudinal analysis)

-/+ Requires a license

+ Can use (trained) volunteers

- Very difficult in certain habitats

- Can be biased

-Difficult to be representative of the populations

Strict welfare considerations

How important is it to justify your use of methods?
0 - not important, 100 - very important

0100