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Dogs sniff out invasive plants to protect biodiversity
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Dogs sniff out invasive plants to protect biodiversity

So, trained volunteer teams of dogs and handlers in Germany are helping ecologists sniff out destructive invasive plants. In a field test, 11 of the 12 teams passed, detecting target species with an average accuracy of 75%. The dogs learned to find Himalayan balsam, common ragweed and knotweed, including Japanese knotweed. Researchers say the approach could make early detection more effective - and turn everyday walks into a cheerful contribution to protecting biodiversity.
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