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  • Home
  • Earth Day 4 Everyone
    • Year of the Trees
    • Reading List
    • Climate Action
    • Invasives
  • A Virtual Celebration
  • Fun & Games
  • Education 4 Everyone
    • Reading List For Educators
  • History
  • Partners
  • Blog

Help Stay the Invasion

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Have you ever seen a forest with many dead ash trees and wondered what happened? Have you ever tried to kayak in a lake that was choked with thick, floating mats of plants and wondered where they came from? Have you ever hiked a trail that was being closed in on both sides from a spiny vine and wondered how it got there? Chances are the answer to each of those questions relates to an invasive species.
 
What is an invasive species? Simply put, it is a plant, animal, insect, or disease from another country that grows and spreads quickly, taking over an environment and causing lots of harm. Some invasives like emerald ash borer and spotted lanternfly kill beloved trees. Some invasives like hydrilla and water chestnut make boating and swimming difficult, if not dangerous. Some invasives like Japanese knotweed and tree of heaven take over an ecosystem, making it tough for native plants to survive. 

​Invasive species arrived in Pennsylvania through many routes: in shipping crates, through the plant trade, escaping from captivity, and even stuck to the bottoms of people's shoes. Yes, our enjoyment of the outdoors can contribute to the spread of these unwanted pests. Thankfully, there are big and small things we can do to help stop the spread of invasive species and enhance the habitat for our native plants and animals. This Earth Day and beyond, consider taking on one or more of the following actions to help combat invasive species in Pennsylvania. 
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  • Don't move firewood. Buy it where you're going to burn it so you don't help invasive insects hitch a ride across the state.
  • Wash your gear. Kayaks, paddles, waders, pants, sock, and hiking boots can all help spread invasive plant seeds and roots that can then take root the next time you head outdoors.
  •  Pull 'em out. If you see an invasive plant in your yard, get rid of it. This might be as easy as pulling it out, but some may require more heavy duty methods. Consider volunteering for an invasive plant pulling event at a state park near you to do even more (good) damage.

More tips can be found on the DCNR website specifically devoted to the issue. 

By taking these small but powerful steps, you can help make a dent in the invasive species problem and protect our native species. For more information, please visit these links:

Water-Borne Invasives
  • Stop Aquatic Hitchhikers
  • The Pennsylvania Fish & Boat Commission page on aquatic invasives
  • SeaGrant Pennsylvania
 Invasive Land Plants
  • The Pennsylvania Department of Agriculture page on "noxious, invasive and poisonous plants"
  • The Pennsylvania Department of Conservation & Natural Resources (DCNR) fact sheets on invasive plants and trees
​  Bugs and Other Nasties
  • DCNR information on forest insects and disease​

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