Transcript Endangered Species

Endangered Species
By Ani Hsu Obrock, Nancy Canevari, and Vivian
Zhuang
Vocabulary
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Endangered Species: Animals or species that
are soon to die out. Once they become
extinct, they will never be seen on Earth
again.
Let's take a look at some
species that are endangered...
What makes a species
endangered?
The major causes are:
Habitat loss (#1 cause) -Deforestation
Pollution
Competition from other species
Disease
Predation
Unregulated or illegal killing- Hunting
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http://library.thinkquest.org/5736/causes.htm
In our presentation, we will
cover these 3 causes:
1. Habitat Loss- Deforestation
2. Unregulated or illegal killing
3. Pollution/ Climate Change
Habitat LossDeforestation
Focusing on Red Pandas, which is an endangered species.
Red
Pandas
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They are becoming
endangered primarily due to
deforestation and
Red pandas are a sub-breed destruction of their habitats.
of the more well-known
giant panda. They're much
smaller, however, and have
red fur with white and black
markings.
These habitats are becoming
destroyed because trees and
bamboo are being cut down,
Red pandas live in China,
eliminating the pandas' habitats
Nepal and Myanmar, as well
and destroying their food sources. as other mountain forests.
How Are We Causing This?
• Humans are cutting down trees for their
wood.
They are clearing forests to build structures
in place of the wildlands.
Bamboo and other plants are very popular
for decoration and many other uses; the
pandas resources are being depleted.
•Why Is This Happening?
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If This Continues...
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Red pandas are on the road to extinction and without
aid, they will probably get there.
The snow leopards and martens that prey on them will
have no food to eat; they will grow endangered and
could eventually die out. The bamboo and other plants
that they eat will take over the ecosystem with no
organisms to eat them.
The jungles will become overpopulated with plants and
underpopulated with predatory species. The entire
ecosystem would very likely be thrown out of whack,
and this could lead to other ecosystems that rely on it to
follow.
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What Can We Do?
Reduce your use of paper products. This is so simple
but so effective- by using reusable dishes, napkins
and towels instead of paper ones, tons of paper is
saved.
Use recycled paper products or ones from sustainable
manufacturers, to ensure that your products were not
made by the destruction of forests.
Be careful when printing. Print double-sided when
possible and try to use recycled paper.
Register for online billing for credit card payments,
mortgages statements, cell phone bills, etc.
Recycle, recycle, recycle!
Impact on Biogeochemical
Cycles
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The deforestation that hurts red pandas will also
lead to the water cycle being interrupted;
groundwater will not be passed through roots and
back into the air. The same is true for carbon;
without trees to turn it into oxygen, it cannot be
passed through the cycle.
Both the nitrogen and phosphorus cycles will be
harmed- animals take in these two elements through
food and release them into the soil. Without animals
such as red pandas and those that eat them,
phosphorus and nitrogen will not be passed through
to the air.
Unregulated or Illegal
Killing- Hunting
Main Idea
Hunting (mainly illegal)
Can cause species to become
endangered
Can lead to species becoming extinct
Amur Leopard
Rare leopard subspecies that only
lives in the remote and snowy
northern forests of eastern
Russian’s Primorye region (long
fur helps them endure the hard
cold). They used to live in Korea
and northern China, but are now
extinct in those areas.
Amur leopard is also known as the
Far East leopard, the Manchurian
Similar to other leopards, the Amur leopard
leopard or the Korean leopard,
can run at speeds of up to 37 miles per hour,
and they can live up to 10-15
leap more than 19 feet horizontally and up to
years, and in captivity, up to 20.
10 feet vertically, and carries and hides
unfinished kills so that they are not taken by
other predators.
They are critically
endangered, and there are only
about 30 of them left. They are
skillful hunters that feed on
deer, hares, and small rodents.
The Problem- Poaching
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The Amur Leopard is largely
poached for its beautiful, spotted,
fur.
Since agriculture and villages
surround the forests where the
leopards live, hunting is more
frequent and the leopards are
more accessible.
People in the southeast of
Primoryeare forced to rely on
local forest products, because of
the poor economy (which
encourages poaching).
In general: People kill animals for
their fur, oil, body parts, and
many other things in order to
fatten their wallet. These things
then, are turned into fur coat,
Poaching occurs mostly in
Africa
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Wildcats- People poach for their nice fur to sell,
since Africa is mostly in poverty and people need
the money.
Elephants- People kill an elephant for their ivory
tusks and teeth, that are worth a lot of money.
Rhinos- People kill rhinos for their tusks and teeth,
as well, which are also worth a lot of money.
As for the Amur Leopard, most of the hunting is done
in the Primorye region of southeastern Russia. As
previously discussed, they used to be common in China
and Korea too, but are now extinct in those parts, due
to poaching an other reasons.
Outcomes?
If not stopped or prevented..
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More animals will become close to
extinct.
Environmental Impacts?
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The food chain will be disturbed because
there will be more prey than predators. A
definciency in predators disrupts the
balance that is essential to matter cycles.
Ways you can help :)
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Educate so that people are more
aware of the situation
Fundraise so that larger
organizations can work to save
the Amur Leopard's habitat
Tell your very own local
politicians to reject budject
proposals that would cut funding
for endangered species
Carbon Cycle
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if the bones are left to rot, they will make
fossil fuels
poaching CAN lead to the increase or
decrease (amount) of carbon in the
atmosphere
then plants take in the carbon and allow us
to get oxygen and glucose after the process of
photosynthesis
the amount of O2 and C6H12O6 depends IN
PART on the amount of poaching that is
Water Cycle
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less animals alive COULD lead to less
animals drinking the water in the ecosystem
less competition
living animals circulate the amount of
nutrients that are being returned back to the
ecosystem, and if many die, than there will
be an imbalance
A little break!
Climate Change/ Pollution
Ringed Seals
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Ringed Seals are one of the most
common seals in the Arctic, and
live in the Northern Hemisphere’s
circumpolar oceans
Ringed Seals gather on the sea ice
to breed, molt, and rest
On the sea ice, they build snow
caves where they give birth, raise
their pups, and go to for protection
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Recently, three
subgroups of Ringed
Seals-Arctic,
Okhotsk, and Baltic,
were placed on the
endangered species
list due to climate
change
The Ringed Seals are
the first species to be
placed on the list
since the polar bear
due to climate
change threats
The Problem
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The reason Ringed
Seals are placed on the
endangered species list
is because of climate
change
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Due to climate change,
the snow caves the
Ringed Seals built are
collapsing and the
amount of sea ice is
decreasing, leaving the
pups vulnerable to cold
temperatures and
predators
If the Earth’s climate continues to warm, all of the sea ice
will melt, and the death of the seals will increase.
Eventually, the ringed seal will become extinct and the
animals that prey on the Ringed Seals (arctic foxes, birds,
walruses, polar bears, and other animals) will also
decrease, causing problems within the ecosystem
Climate
Change
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Climate change is any significant change in climate over
a period of time, such as temperature, wind patterns,
and precipitation
Climate change affects the entire world, but is more
evident in places such as the ice caps and oceans
Humans are mostly responsible for climate change. By
burning fossil fuels to produce energy, large amounts of
carbon dioxide and greenhouse gasses and released into
the atmosphere
Greenhouse Gases
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These gases can be released in multiples of ways, such
as by burning fossil fuels (coal, natural gas and oil),
trees and wood products, remains of animals, and also
as a product of some chemical reactions (ex, cement
production)
When greenhouse gases such as carbon dioxide and
methane are released, they trap energy in the
atmosphere causing it to warm. Even though this
process is necessary to support life, a buildup of these
gases will cause changes in the Earth’s climate and will
damage ecosystems and human health
How we can Stop Climate
Change
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Switch off the lights when not in use/ change light
bulbs to compact fluorescents or LEDs
Recycle paper, plastic, etc.
Instead of driving, walk to your destination if it's within
walking distance
Compost food and yard waste to reduce the amount of
garbage sent to landfills
Spread the word and get others to help reduce climate
change
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Websites Used For Content
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