Rat catch January to April 2010

Although the Ark control of rats is achieved by the baiting programme, the by-catch of rats in mustelid traps is valuable as it provides information on the distribution of the rat population.

The period shown above starts two months after the completion of the 2009 baiting programme, but it is not until April that rats can be detected in the Ark itself, along with the expected periphery catch. The one exception is the valley below the dam, and this area will be treated more intensively in the 2010 baiting programme.

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