Pitfall traps

For groups active on the surface pitfall traps are often surprising effective. Plastic cups buried with the lip flat with the soil surface and filled with water with a small A line of pitfall traps, Kongsfjord. The first trap has been dug up by either a polar fox or arctic skua.amount of detergent added.  Animals such as spiders and springtails running around will accidently fall into such cups and be trapped.