Transcript bozzo - HGBiology2011

Endangered,
Invasive, and
Reintroduced
Species of PA
Katie Bozzo
Endangered Species
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Endangered Speciesplant or animal species
existing in such small
numbers that it’s in
danger of becoming
extinct
5 most common reasons
of endangerment:
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Habitat destruction
Introduction of exotic
species
Overexploitation
Disease
Pollution
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How we can prevent
endangerment:
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Make your home
wildlife friendly
Plant vegetation
Recycle
Limit use of
pesticides
Endangered Animals in PA
 Club
shell: The club shell is endangered because
of all the pollution from agricultural run-off and
industrial wastes.
 Bog
Turtle: The main reason for the bog turtles
endangerment is the fact that they are losing their
habitats quickly.

Dwarf Wedge Mussel: One of the biggest
reasons for their endangerment is polluted storm
run-off
Endangered Plants in PA
 Northeastern
Bulrush: This plant species has
become endangered because it depends on the
water levels for survival, currently the water levels
have low, therefore this species is endangered.
 Small
Whorled Pogonia: The small whorled
pogonia is endangered because of the fact that
it’s losing its habitat and degradation.
Endangered Species Pictures
Club Shell
Northeastern Bulrush
Bog Turtle
Dwarf Wedge Mussel
Small Whorled
Pogonia
Invasive Species
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Invasive Species: is non-native to that ecosystem
and their introduction is likely to cause harm to the
environment or human health
Native Species: are species that are used to that
particular environment
Introduced Species: are species that are nonnative to a certain environment and are put into
one for a particular cause
Invasive Species (cont.)
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5 of the most common
ways invasive species get
here:
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Human induced
pathways- created by
humans.
Pathways- most general
way of getting here
Natural Pathwayscreated by nature and
allow movement of the
species
Intentional Introductionsspecies brought on for
food, pets, or to combat
other species
Unintentional
Introductions- species
accidentally introduced to
a new environment

4 ways invasive species
negatively affect our
environments:
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Move into a certain area
and force the native
species to either adapt to
a new place or die off
Taking over niches of
organisms and dominating
Simply thriving more than
the native species
Killing the young of the
native species, dying them
off
Invasive Species in PA
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Rusty Crayfish: Orconectes rusticus, is native to the Ohio
River Basin. They eat snails, leeches, and clams, and get
eaten by bigger fish in both environments. The most
serious problem they cause is the destruction of plant
beds.
Quagga Mussel: Dreussena bugensis, is native to the
Dneiper River drainage of Ukraine. They eat
phytoplankton, zooplankton, and algae, and get eaten
by redear sunfish. Their problem is that they cover
everything with their eggs.
Round Goby- Neogobius melanostomus, is native to
central Eurasia (Black Sea and Caspian Sea). They eat
mollusks, crustaceans, worms, fish eggs, small fish, and
insect larvae, and are eaten by bigger aquatic animals.
The main problem they cause is how aggressive they
are with their eating habits.
Invasive Plants in PA
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Kudzu- Pueraria lubata, is native to Asia. The niche
kudzu has in both environments is the fact that it
just creates more kudzu vines. The main problem
with kudzu is that it overgrows anything it gets its
vines on.
Five-leaf Akebia- Akebia quinta, is native to
central Canada, Korea, and Japan. Kudzu and
five-leaf akebia are similar in the way that they
both create more of itself as the niche. The main
problem with five-leaf akebia is that it creates too
much of itself and gets in the way.
Invasive Species Pictures
Rusty Crayfish
Round Goby
Quagga Mussel
Five-leaf Akebia
Kudzu
Reintroduced/Extirpated
Species
 Reintroduced-
the release of a species
into the wild in zones formerly inhabited
by said species
 Extirpated- the use of a species to totally
destroy something else
 An example of a reintroduced species is
the wolf. There reintroduction is only
considered where big tracts of suitable
wilderness is available for them.
Works Cited
 www.thefreedictionary.com
 www.endangeredspecie.com
 www.fish.state.pa.us
 www.seagrant.psu.edu
 www.blogs.discovery.com