Invasive Species
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Transcript Invasive Species
Invasive
Species
Joe Prange,
Kelvin Roe, Adam
Stenner
What is it?
Plants,
animals, or pathogens that are
non-native (alien) to the ecosystem under
consideration and whose introduction
causes or is likely to cause harm
Giant African Snail
Bullies in nature
Purple Loosestrife
Problems with Invasive Species
Invasive
species take over an entire area
and eliminate biodiversity
Chase out our native species
They have no natural predator
Results in a monoculture
How do they move?
Not
washing your boat off
Moving firewood
Catch on your clothes or shoes
Dumping bait into another body of water
Through roots
By seeds
Wind or water
Why Should We Care?
o
o
o
o
United States – $137 billion per year
Problems to our health
Pollen can increase the severity of respiratory
allergies
Sap can cause skin irritation
Venomous bites from different animals
Invasive rodents, mosquitoes, and ticks can
transmit deadly pathogens
Continued
Some
increase the severity and frequency
of wildfires
Alter nutrient availability and water quality
Prevent re-growth of trees or other plants
Competition for other species
Do not provide food
Prevention
Inspect
your boat, rinse off mud, plants,
animals
Drain water from boat
Dispose of unwanted bait in trash
Educate yourself/Learn to identify
Report any sightings
Make others aware
http://dnr.wi.gov/topic/invasives/report.ht
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Resources
http://www.invasivespecies.gov/main_na
v/mn_faq.html#prevent_spread
https://www.uwgb.edu/Biodiversity/herba
rium/invasive_species/lytsal01.htm
http://www.slideshare.net/eslaq/invasivespecies-powerpoint