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“Is the major reason for the occurrence of
extinction, caused by humans ecologically in the
long-term?”
For
Human intervention (either directly or indirectly) has become the leading cause of species
extinction (possibly for the last fifteen thousand years)
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biologyreference
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html#ixzz3zVLtS8Ks

I believe that yes humans have caused extinction ecologically in the long term
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Why is this so? I believe this is all related to human activities
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biologicaldiversity
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theguardian
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Coincidentally the
rise of significant extinction levels falls within the same region
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As the levels of global energy used
increased over the years; the levels of extinction as a whole has also rapidly
almost surpassed the population of humans in the world today
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com/environment/2013/05/graph-of-the-day-biomassdecline-of-tuna-species-1960s-2008-2470692
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“Global Warming causing Polar bear Extinction
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Global
warming is causing the large amount of ice melting in the Arctic
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”
http://go3project
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php/blogs/4092/509/global-warming-causing-polarbear-extinction

The endangering of polar bears have come to reason is because of global
warming caused by melting ice caps
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“Much of the wolves’ prey base was destroyed as agriculture flourished
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Predator control, including poisoning, was practiced here in
the late 1800s and early 1900s”

https://www
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gov/yell/learn/nature/wolf-restoration
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Correlating to human history as well as
the culture and the way they have lived we can discern certain activities
ecologically causing extinction of various species
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Human settlements over the past
few years have as the damaging of a food chain as human activities such as
agriculture are introduced
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“Passenger pigeons were hunted by Native Americans, but hunting intensified
after the arrival of Europeans, particularly in the 19th century
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There were several other factors contributing to the decline
and subsequent extinction of the species, including shrinking of the large
breeding populations necessary for preservation of the species and widespread
deforestation which destroyed its habitat
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The last
confirmed wild bird is thought to have been shot in 1900
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Martha, thought to be the last passenger
pigeon, died on September 1, 1914, at the Cincinnati Zoo
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”
https://en
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org/wiki/Passenger_pigeon



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