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Short-term and Long-term Environmental Changes

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by

Nicole Porterpan

on 17 February 2015

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Transcript of Short-term and Long-term Environmental Changes

Short-term and Long-term Environmental Changes
What is Short-Term Environmental Changes
Short-term environmental change is an environmental change that occurs quickly and affects organisms immediately. Affects the organisms
Short-Term Examples
hurricane
flood
tornado
drought
forest fire
avalanche
volcano
What is Long-Term Environmental Change
Environmental changes that occur slowly over time and affects organisms over generations. Affects the DNA of populations over time.
Long-Term Example

climate change
tectonic plate movement
changes in solar output
Hurricane
Avalanche
Flood
Polar Ice Caps Slowly Melting
Tectonic Plate Movement
Solar Output Varriations
Over time the
amount of energy
released by the sun
changes. Ice Ages have occurred during times when solar output was low.
Long Beak
(eat fruit)
Eats seeds so it has a hooked beak to crack them open
Toucan
Parrot
The climate change can affect organisms as well.
Example-
Polar Bears live on ice, the ice is slowly melting and they are losing their habitat
He is Trapped
Madagascar has
been an isolated island for 66 million years. Many unique species can liveonly on this small island
BP Oil Spill
BP Oil Spill
Drought
A drought is when an area goes without water for a long period of time and is caused by a lack of rain
Many animals would die in a drought, but desert animals such as camels can easily adapt. They can go for weeks without any water.
Flood
When a large amount of water enters a location in a quick period of time and is usually caused by too much rain or big waves by an ocean

Unless it's a water creature, most animals would die from drowning
Oil Spill-
When oil leaks into a large body of water such as an ocean usually caused by human error or mechanical failure
Any organism would have a hard time adapting to it. Oil can be very harmful and would cause the animals to get severely sick or even die.
Ocean
Systems

The oceans can be dependable for many things. One of the main things humans use it for is marine animals. But the way we modify the oceans, is by putting non-natural things such as artificial reefs there. We put them there to help increase marine life to learn more
.

These artificial reefs can be positive because it allows us to learn much more about the undiscovered marine species deep into the ocean.
This could also be a negative impact because we could be ruining present habitats for other species.
Pollution runoff is where anything that can carry harmful substances is carried into the water. For example, water can carry cigarette buds or paint, which enters the ocean. This can harm pytoplankton because the roots can't absorb the nutrients if it is coated in oil and paint.
Pesticides can effect the society. They can travel in water when it rains, leading into the ocean, impacting the environment.
Overall, pollution can affect the organisms in our environment. When you litter a candy wrapper, or someone throws out old oil and used paint, it can travel for miles and miles into oceans and harm the area without you even realizing it.
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