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Species of Pennsylvania
Emily EkasPeriod 3
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Reasons species become extinct: Pollution Deforestation Disease Commercial Abuse Hunting
Endangered SpeciesSpecies that are close to extinction.
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Minimize your use of pesticides
Protect wildlife habitat
Create more nature reserves
Learn more about the species
How can we help prevent endangerment?
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Scientific Name: Childonias niger Reason for endangerment: Natural Disasters
Black Tern
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Scientific Name: Glaucomys sabrinus macrotisReason for endangerment: Habitat Loss
Northern Flying Squirrel
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Scientific Name: Myotis sodalis Reason for endangerment: Human entry into hibernation sites.
Indiana Bat
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Scientific Name: Delphinium exaltatumReason for endangerment: Spraying of herbicides alongside roads, where the flower grows, and the expansion of highways.
Tall Larkspur
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Scientific Name: Arethusa bulbosaReason for endangerment: Flooding, Predators (white tailed deer), and loss of habitat.
Swamp Pink
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Invasive Species
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Native Species◦ Species that have evolved in the same area over
a long period of time.Introduced Plants◦ A species that humans have placed in an
ecosystem (either intentionally or accidentally) it rarely occurs naturally.
Invasive Species◦ A species whose introduction is likely to cause
environmental or human harm because they have no natural enemy.
Invasive Species
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Personal Travel Shipments of plants and other materials Deliberately imported Some are for aquarium use but find their way into
natural landscapes
How do invasive species get into our country?
How they affect our environments
Disease Increased competition Habitat Destruction
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Adelges tsugaeOriginated from Japan and ChinaAccidentally introduced in 1924This insect destroys eastern hemlock species-which are homes to over 90 species of birds and mammals
Hemlock woolly adelgid
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Ostrinia nubilalisOriginated from CanadaIntroduced in 1900s from a shipment of corn broomsThis Insect feeds on 250 kinds of plants-losses are very high on sweet pea, peppers, and snap peas
European corn borer
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Lissachatina fulicaOriginated from Africa Introduced in 1966 by accidentally arriving on a
Cargo shipThis snail is one of the most damaging snails in the
world-it eats over 500 species of plantsThese snails were used for pets in Africa.
Giant African Snail
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Ophiostoma ulmiOriginated from AsiaFirst Detected in Cleveland, Ohio in 1930’sThis Fungus killed over 100 million trees in all
states east of the Rocky Mountains
Dutch elm disease
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Cryphonectria parasiticaOriginated from ChinaFirst Detected in N.Y in 1890’sThis Fungus devastated chestnut trees from Maine
to Alabama
Chestnut blight
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Reintroduced/Extirpated Species
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Reintroduced- The release of an endangered species into the wild.
Reintroduced/Extirpated Species
Extirpated Species- A species that does not exist in the wild in a certain area, but can be found in other areas.
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The fisher was trapped to extirpation in Pennsylvania. It was reintroduced in 1994
and has been thriving here ever since.
The Fisher
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www.stopextinction.org www.portal.state.pa.us www.cnps.org/cnps/nativeplants/ www.defenders.org/resources/publications/
invasives/pennsylvania.pdf www.srs.fs.usda.gov/pubs/ja/
ja_schlarbaum002.htm www.invasivespeciesinfo.gov/microbes/
dutchelm.shtml
Sources Cited