welcome to ridley creek state park invasive plants workshop
TRANSCRIPT
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Welcome to Ridley Creek State Park Invasive Plants
Workshop
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Welcome and Introduction
Roger McChesney, Park Superintendent
Tim Higgins, President, Friends of Ridley Creek State Park
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Goals
Understand what invasive plants are
Understand how they impact the local environment
Learn how to identify invasives Determine strategies for
control/management
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What are Invasive Plants??
Reproduce rapidly Spread over large areas Few, if any, natural controls Share important characteristics
Spread aggressively by runners or rhizomes Produce large numbers of seeds that
survive to germinate Disperse seeds away from parent plant via
wind, water, wildlife, people
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How do invasives impact the local environment??
Displace native plants including some very rare species
Reduce food and shelter for native wildlife
Eliminate host plants of native insects
Compete for native plant pollinators Affect recreational activities
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Identifying Invasives
Multiflora Rose
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Identifying Invasives
Garlic Mustard
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Identifying Invasives
Japanese Knotweed
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Identifying Invasives
Japanese Stilt Grass (also known as
Nepalese Browntop)
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Identifying Invasives
Autumn Olive
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Identifying Invasives
Japanese Barberry
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Identifying Invasives
Wine berry (also known as Wine Raspberry)
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Identifying Invasives
Winged Burning Bush
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Identifying Invasives
Mile-a-minute Weed
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Identifying Invasives
Tree of Heaven
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Emerging Invasives in Ridley Creek State Park
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Identifying Invasives
Kudzo
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Identifying Invasives
Porcelainberry (also known as Amur peppervine)
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Identifying Invasives
Japanese Hop
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Glossary
Alien, exotic, foreign, introduced – all the same as non-native.
Non-native – a species that due to direct or indirect human activity, occurs in locations beyond its known historical or potential natural range. Refrs to species from another continent region, ecosystem, or habitat.
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Glossary (continued)
Indigenous – same as native
Native – a species that naturally occurs in a particular region, ecosystem and habitat. Species native to North America are generally recognized as those occurring on the continent prior to European settlement.
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Glossary (continued)
Weed – a subjective word used to describe any plant growing wherever someone wishes it did not; can include native and non-native plants.
Noxious weed – a legal designation used specifically for species that have been determined to be major pests of agricultural systems and are subject, by law, to certain restrictions.
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Glyphosate - a type of systemic herbicide; e.g., Roundup, for land or Rodeo for wetlands or near water.
Biological control – the use of living organisms – parasites, pathogens, or predators – to control an invasive or other pest species.
Systemic herbicide – an herbicide that is absorbed by a plant and carried throughout the tissues.
Pest – a plant, animal, or other organism considered harmful.
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More information
Future invasives sessions at RCSP Websites:
www.nps.gov/plants/alienweedsgonewild.org www.dcnr.state.pa.us www.invasivespecies.gov
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Thank you for coming!!
Enjoy your Park!
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Friends official website…
www.friendsofrcsp.org