Pitfall Traps Flashcards
1
Q
what are pitfall traps
A
it a way of sampling ecosystems. they allow us to discover us to discover what organisms live in a habitat and and they can also be used to gain relative abundance
2
Q
four main problems with pitfalls
A
- the result-may represent of the whole ecosystem
- birds may eat trapped animals
- trap may fill up with with water
- Animals may eat each other while in the trap
3
Q
four main solutions with pitfalls
A
- set up many traps
- have a cover suppose by sticks to camouflage the trap from predators
- have a drainage holes
- ensure the the trap is deep enough to stop animals escaping
