invasive plants: a 30,000 ft perspective

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Presentation by James Barnes, Sustainable Habitat Program Manager for The Piedmont Environmental Council

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Page 1: Invasive Plants: A 30,000 ft Perspective

Image Credit: ArchangleM Photography

Page 2: Invasive Plants: A 30,000 ft Perspective

Share My Own Experience Provide an Overview of the Problem Raise Larger Questions about Invasive plants Suggest Framework for managing invasives

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Provide a voice for habitat & wildlife in region Habitat Outreach: website, tours, workshops Provide consultation to landowners,

especially groups of landowners Coordinate Regional Partnerships Trout Unlimited

Virginia Working Landscapes

Manage Ovoka property

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Image sources: James Barnes

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As per Executive Order 13112 an "invasive species" is defined as a species that is:

1) non-native (or alien) to the ecosystem under

consideration and 2) whose introduction causes or is likely to cause

economic or environmental harm or harm to human health.

Invasive species can be plants, animals, and other

organisms (e.g., microbes)

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2nd threat to biodiversity claim, but open it up for discussion later

Wilcove et al (1998)

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Pimentel et al (1999)

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Native Non-native/Introduced Cultivated Naturalized Invasive (Alien)

Weed

Image : Orbital Joe Photography

Image : MRPBPS Photography Image : Chapstick Addict Photography Image : Kaylamb Photography

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Image Credit: Digitalnative Photography

Image Credit: .Shell Photography

Image Credit: Elsie Esq. Photography

Image Credit: Skjdksfkssdflkfsld Photography

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Reichard, 1997

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Image Credit: Mandy Tu

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Invasive plants wouldn't do nearly as well in nature without human activity & disturbance.

In other words: We're already managing

for them – but not how we want to.

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Photo source: Cheesechoker Photography

Page 23: Invasive Plants: A 30,000 ft Perspective

source: Frankenstoen, Flickr

source: Henry Mclin

Page 24: Invasive Plants: A 30,000 ft Perspective

Oak - 534 Willow - 456 Cherry/Plum - 456 Birch - 413 Poplar - 368 Crabapple - 311 Blueberry - 288 Maple - 285 Elm - 213 Pine - 203

Photo source: A. Bockoven

Page 25: Invasive Plants: A 30,000 ft Perspective

Privet -24 Autumn Olive – 9 Tree of Heaven – 6 Kudzu – 4 Phragmites - 4 Garlic Mustard – 0 Boxwood – 1

Image Credit: Photo Gryphon

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Image Credit: Calindarabus Photography

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Image Credit: J.N. Stuart Photography

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1. Early Detection / Rapid Response

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Image Credit: EDDMapS

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Photo source:Grace Lentini

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1. Early Detection / Rapid Response 2. Give Nature a Hand: Manage for stable

states using natural processes (forest succession, fire, etc.)

Page 36: Invasive Plants: A 30,000 ft Perspective

1. Early Detection / Rapid Response 2. Give Nature a Hand: Manage for stable

states using natural processes (forest succession, fire, etc.)

3. Methods: All of the Above Strategy

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Manual Mechanical Chemical/herbicide Prescribed Grazing Prescribed Fire Biological Cultural Natural Do Nothing

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1. Early Detection/ Rapid Response 2. Manage for stable states using natural

processes: forest succession, fire, etc. 3. Methods: All of the Above Strategy 4. Invest in Native Plants

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Photo source: H. Leeson

Page 41: Invasive Plants: A 30,000 ft Perspective

1. Early Detection / Rapid Response 2. Give Nature a Hand: Manage for stable

states using natural processes (forest succession, fire, etc.)

3. Methods: All of the Above Strategy 4. Invest in Native Plants 5. Pick your Battles

Page 42: Invasive Plants: A 30,000 ft Perspective
Page 43: Invasive Plants: A 30,000 ft Perspective

1. Early Detection / Rapid Response 2. Give Nature a Hand: Manage for stable

states using natural processes (forest succession, fire, etc.)

3. Methods: All of the Above Strategy 4. Invest in native plants 5. Pick your Battles 6. Manage for the whole ecosystem

Page 44: Invasive Plants: A 30,000 ft Perspective

Photo source: Hope Leeson

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Photo source: bloomingtonarchery.com

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http://www.invasive.org/ http://www.eddmaps.org/

http://www.maipc.org/

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James Barnes Sustainable Habitat Program Manager [email protected] 540-347-2334 ext. 30

Photo source: Canon Chris Photography