Discarded Christmas trees a weapon against Asian carp

Read the full story in Great Lakes Echo.

Canada’s Royal Botanical Gardens sit near the western end of Lake Ontario, just a short drive from the U.S. border. When the weather is warm, visitors come to see acres of gardens with roses, lilacs and other collections in bloom.

In the winter, it’s much quieter. But scientists stay busy, protecting wetlands from destructive carp. And they’re using an unusual weapon: Christmas trees.

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