Dutch Butterfly Conservation produced an analysis in 2004 for the ETCNPB. This analysis was subcontracted and resulted to results and figures. These results and figures are free of copyrights for publications (edition, web, ...). Dutch Butterfly Conservation should be cited in any of these publications.
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Create a small ecosystem
in your garden or park by piling up some logs in a secluded corner. These will provide shelter for hedgehogs, frogs and toads. If you half-bury the bottom logs in the soil, you will also encourage stag beetles as they are fond of rotten wood. A pile of stones will also provide shelter to a range of insects and spiders.
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