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Biodiversity Threats (Habitat Fragmentation (The primary threat to…
Biodiversity Threats
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Alien/ Invasive Species
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usually causes a disruption in the ecosystem and results in loss of biodiversity and damage to an ecosystem
some examples are Asian beetles, zebra mussels, water milfoil, buckthorn
Air Pollution
Consists of chemical substances and particles released into the atmosphere, mainly by human activities
Major cause: burning of fossil fuels
Fertilizers, farming (dust), fumes from chemicals
Acid Rain
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Lowers pH of lakes and oceans, killing organisms
Water Pollution
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Algae uses up oxygen and kills off other organisms
Creates DEAD ZONES-were low oxygen has killed all ocean life
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Pollution
Addition of chemicals, noise, heat, or even light beyond the capacity of the environment.
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sustainable use
Is the use of natural resources in a way that meets the needs of the present and preserves the resources for the future
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Umbrella species- A species that, if protected, also provides protection to other organisms by default.
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Overpopulation
Human population continues to increase therefore, habitat is lost due to human expansion for housing/buildings, land converted for agricultural use, hunting, fishing, etc