Based on work undertaken at Sparsholt College, Hampshire; the Hutchins refuge trap can be used in areas where water voles and otters are present. A very simple structure with no bait, the trap can be left in place for some time. It works on the preference of crayfish for tunnels and, with the variety of tunnel sizes offered, a variety of sizes are captured. This trap will give a reliable indication of the population structure.
* Tunnel diameters: 50mm, 40mm, 20mm x 2, 15mm x 2
* Width: 200mm
* Depth (i.e. length of tunnels): 150mm
Material: heavy and long lasting plated steel.
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