National Invasive Species Awareness Week (NISAW) is scheduled for February 22-28. And according to experts with the Weed Science Society of America (WSSA), it's a topic that deserves our attention. Non-native plants, animals and pathogens can harm humans and the environment and impact our nation's economy. The damage done by invasive plants alone costs the U.S. an estimated $34.7 billion a year.
Invasive weeds can produce skin irritation, trigger allergies and poison pets and livestock. They can clog waterways, kill native trees, and shade out crops, ornamentals and prized native flora. They are found in every imaginable habitat, including oceans, lakes, streams, wetlands, croplands, rangelands, natural areas, parks, forests, urban environments, yards and gardens.
"Though the impact of invasive species is profound, there are important steps we can take to manage infestations and prevent their spread," says Lee Van Wychen, Ph.D., director of science policy for the WSSA. "It all begins with awareness."
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