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Old 11-06-2009, 08:50 AM
 
Location: NW Arkansas
3,978 posts, read 8,546,566 times
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Is there any scientific proof that the ecosystem was damaged by the extinction of any living species? This is 'preached' over and over now days. I would like proof of that having happened. I am thinking of dinosaurs, dodo birds, Carrier pidgeons, sabre tooth Tigers, and on and on ..... How did their extinction cause serious damage to the ecosystem?
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Old 11-06-2009, 10:12 AM
 
Location: Houston/Heights
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Animals come and go. No big deal. It has always been that way, and always will. Something dies out, something new replaces it. --People are on that list.
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Old 11-06-2009, 11:24 AM
 
Location: Victoria TX
42,554 posts, read 86,928,948 times
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Millions of years after humans disappear from this planet, the ecosystem will be humming along, nicely speciated, all niches filled by species that have evolved to fill them. Unless another intelligent species evolves in the meantime.

Humans can do no lasting harm. Nor good.
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Old 11-06-2009, 11:39 AM
 
Location: Houston/Heights
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Some folks would be able to relax more, once they come to terms with our own irrelevance.
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Old 11-06-2009, 01:58 PM
 
78,337 posts, read 60,527,398 times
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Quote:
Originally Posted by Towhee View Post
Is there any scientific proof that the ecosystem was damaged by the extinction of any living species? This is 'preached' over and over now days. I would like proof of that having happened. I am thinking of dinosaurs, dodo birds, Carrier pidgeons, sabre tooth Tigers, and on and on ..... How did their extinction cause serious damage to the ecosystem?
Depends on your definition of "damaged".

Changed? Definitely.

The brown tree snake has wiped out most of the birds on some pacific islands which messes with all kinds of plants, insects and so on and so forth.
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Old 11-06-2009, 04:43 PM
 
Location: NW Arkansas
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Originally Posted by Mathguy View Post
Depends on your definition of "damaged".

Changed? Definitely.

The brown tree snake has wiped out most of the birds on some pacific islands which messes with all kinds of plants, insects and so on and so forth.
It sounds like that snake needs to become extinct! Was it introduced? That is a whole differant issue.
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Old 11-09-2009, 07:35 AM
 
78,337 posts, read 60,527,398 times
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Quote:
Originally Posted by Towhee View Post
It sounds like that snake needs to become extinct! Was it introduced? That is a whole differant issue.
A lot of modern extinctions have come from the introduction of species to a closed ecosystem.

The brown tree snake has snuck onto a number of pacific islands that had no snakes and wiped out bird populations. It's greatly feared this will happen in Hawaii eventually.

Rabbits in australia have helped push certain species towards extinction as has the Cane Toad.
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Old 11-09-2009, 09:08 AM
 
2,255 posts, read 5,396,072 times
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Quote:
Originally Posted by Mathguy View Post
A lot of modern extinctions have come from the introduction of species to a closed ecosystem.

The brown tree snake has snuck onto a number of pacific islands that had no snakes and wiped out bird populations. It's greatly feared this will happen in Hawaii eventually.

Rabbits in australia have helped push certain species towards extinction as has the Cane Toad.
Some of the worst ecosystem disaster anomalies are what many don't see under the water. Bilge water from cargo ships in every port from every other country around the globe releasing tiny juvenile organisms native to other ports. Then they suck in more water to take back somewhere else. Seriously, I don't have an answer for correcting any of that, but I did see a documentary of a Norwegian vessel equiped to filter and decontaminate it's bilge water ingoing and outgoing. Of course that is one singular ship which though admirable, is only putting a simple band-aid on a gash in a juglar vein.

I don't blame any of the creatures. They just do what they do. It's humans that need to be taught responsibility. The brown snake does'nt need to become extinct, just irradicated from the habitat it's been introduced in. Much like the Tamarisk tree introduced as a windbreak in the southwestern United States. It's taken over most riparian woodlands and damaged those eco-systems of both plants and wildlife in several various localized extinction zones.

Again, I don't think there is an answer for correcting these things now because everyone (all humans) are going to have to be on board with what is responsible behavior and our world as we all know it simply does not work that way.
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Old 11-09-2009, 09:15 AM
 
Location: Washington DC
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Loss of the honeybee will damage vast parts of agriculture.
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Old 11-09-2009, 09:25 AM
 
Location: Houston/Heights
2,637 posts, read 4,460,692 times
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If you truly want to save the flowers and the bees, simply get rid of People. Look how we left Mars. We have not evolved.
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