Invasive spp. Early Detection for Longview Timber 4.29.10
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Transcript of Invasive spp. Early Detection for Longview Timber 4.29.10
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Clatsop County Early Detection Invasive Species Network
Invasive-Watch TrainingAugust 19, 2009
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Invasive Species 101
What are invasive species? Management & your role in it. Introduction to the invaders Reporting invasions Vector issues
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invasive species is an alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health
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Biological invaders destroy habitats or out-compete native plants and animals.
At least 30 new potential biological invaders enter the US every day.
Invasive species cost Americans about $143 billion per year.
Why should you care?
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What makes a plant invasive?
Lack normal environmental constraints Fast growth and reproduction Highly adaptable a wide range of conditions Often can transform their environment Often encouraged by disturbance Dominance = less biodiversity
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How do we manage invasive plants?
Prevention Quarantine before introduction Monitoring & mapping Chemical treatment (herbicides) Biological controls (biocontrol) Cultural treatment (hand pulling, cutting, etc.)
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The Wildfire Model
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Area
Infe
sted
Time
Lag Time
Escape
IntroductionInvasion
Cost
Key Stages in Plant Invasions
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What does this mean for management? A
rea
Infe
sted
Prevention or Eradication
(Inexpensive)Local control and
management only (Expensive)
Cont
rol C
osts
Time
Introduction
Detection: focus resources here
People notice them here
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Eleven Invaders
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Keys to Identifying the Invaders
Flowers Leaves and stems Habit (vine, herb, grass, rosette, etc.) Developing a “search pattern” Key characteristics (odor, reflectivity, color)
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Herb Robert: Geranium robertianum
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Rebecca Brown, Eastern Washington University
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Photo: Robert Emanuel
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Shining Geranium: Geranium lucidum Jorg
e Pe
nafie
l
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Photo Bruce Newhouse
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Policeman’s Helmet: Impatiens gladulifera
Photos: Christine McDonald
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Photo: Christine McDonald
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Glenn Miller, O
DA
Garlic Mustard: Alliaria petiolata
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Glenn Miller, O
DA
Glenn Miller, O
DAElizabeth J. Czarapata
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Glenn Miller, ODA
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Jan Samanek, State Phytosanitary Adm
inistration
Old Man’s Beard: Clematis vitalba
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Leo Michaels
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Chris Aldassy, EMSWCD
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Chris Aldassy, EMSWCD
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Chris Aldassy, EMSWCD
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Carla Cole, NPSSpurge Laurel: Daphne laureola
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Carla Cole, NPS
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Tania Siemens, TNC
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Carla Cole, NPS
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False Brome: Brachypodium sylvaticum
© Andrea Thorpe, Insttute for Applied Ecology
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© Andrea Thorpe, Insttute for Applied Ecology
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© Andrea Thorpe, Institute for Applied Ecology
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Yellow Archangel: Lamium galeobdolon
Phot
o: R
ober
t Em
anue
l, O
SU
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Phot
o: R
ober
t Em
anue
l, O
SU
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Photo: Alexander DunkelPhoto: Julio Reis
False Indigo: Amphora fruticosa
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Photo: Jorg Hempel
Lesser Celandine: Ranunculus ficaria
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Taking Notes
Early Detection Report Form
Date:________ Observer:__________________
Location:__________________________________________________________________________
Plant Species:_____________________________
Patch Size: Length________ Width___________ % cover____________# of plants_____________
Type of site (riparian, road, forest, trail, etc):_________________________________________
Notes (landowner, location, physical description, directions, etc.) ___________________________________________________________________________________________________________________________
Example: “ODOT gravel pit on Hwy 26”
Example: “Old Man’s Beard”
Length: 10’ Width: 5’% cover: 50% of trees# of plants: 2-6
“Forest and road cut”
“Located on ODOT land? Vines growing up spruce trees and into rock”
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Don’t be a Vector! Clean your clothes Clean your equipment & vehicle Clean your pets Walk around the infestation Bag/trash, burn, no compost If collecting voucher in flower or fruit, seal it
J.K. Linsey
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Invasive Spp. Web Resources Oregon Invasive Species Hotline:
oregoninvasiveshotline.org/ National Invasive Species Clearinghouse:
www.invasivespeciesinfo.gov Washington State Noxious Weed Board:
www.nwcb.wa.gov/index.htm California Invasive Plant Council:
www.cal-ipc.org USDA PLANTS Database:
plants.usda.gov/index.html Presentation Recap:
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Questions?
Robert M. Emanuel, Ph.D.Water Resources & Community DevelopmentClatsop & Tillamook counties2204 Fourth StreetTillamook, OR 97141(503) 842-5708 X 2 [email protected]