Friday, January 6, 2012

Mercury influx into eco-system may have caused extinction 250mn years ago

In the new study, researchers have discovered a new culprit, which is likely to have been involved in the Earth's largest extinction event that occurred 250 million years ago, when rapid climate change wiped almost all marine species, and most of these countries.

According to the researchers, the influx of mercury in the ecosystem may have been mass extinctions.

"Nobody had ever looked to see if mercury had the potential culprit. This was the time history of the Earth's largest volcanic eruption, and we know today as the largest source of mercury from volcanic eruptions," Steve Grasby, co-author of the paper University of Calgary, said.

"We estimate MERCURY you could have up to 30 times higher than today's volcanic activity, which makes the event truly catastrophic," he said.

About 250 million years ago, long before dinosaurs ruled the earth, and all form one big continent, the majority of ocean life and the earth was wiped out.

The idea is generally accepted that volcanic eruptions, although burned coal beds, releasing CO2 and other deadly toxins. Direct evidence of this theory was described in a paper, published in January last year, these same authors in the journal Nature Geoscience.

Mercury deposition rates could be significantly higher in the late Permian compared to today's human-caused emissions. In some cases, mercury in the late Permian ocean was similar to that which is found near the highly contaminated ponds near the smelters, which have severely damaged the water system, scientists say.

"We are adding levels of industrial emissions. This is a warning for us here on earth today," said Benoit Beauchamp of the University of Calgary.

No matter what happens, this study demonstrates the tenacity of life. "The story is one of the recovery as well. After the system was overwhelmed and destroyed most of life, the oceans were still able to clean itself and we were able to move to the next stage of life," Hamed Sanei University of Calgary, said.

The study is published in the journal Geology.

http://www.adkads.com/postcanyontrading.com-77044.html
http://aplusdirectory.info/index.php?search=postcanyontrading.com
http://bigyellowads.com/detail/link-3306.html
http://dir4.webdirlist.com/shopping/shopping_services/dp6803.php
http://top.listsdir.com/shopping/shopping_services/dp1755.php
http://wldirectory.com/detail/link-104193.html
http://www.123usdirectory.com/index.php?search=postcanyontrading.com
http://www.abigdir.com/index.php?q=postcanyontrading.com&search-btn.x=0&search-btn.y=0
http://www.aquawebdirectory.net/detail/link-5276.html
http://www.atozdirectory.info/detail/link-27747.html
http://www.dc-studioweb.com/detail/Lodge-Decor-28043.htm
http://www.digabusiness.com/detail/Rustic-Furniture-62070.html
http://www.directory22.com/detail/link-46370.htm
http://www.directorystaff.com/detail/link-35448.html
http://www.exclusiveinternetdirectory.com/detail/link-85596.html
http://www.fgcyj.com/index.php?search=postcanyontrading.com
http://www.finest4.com/postcanyontrading.com
http://www.free-links-articles-directory.com/index.php?search=postcanyontrading.com
http://www.kingoftheweb.net/directory/index.php?search=postcanyontrading.com
http://www.lahats.org/detail/link-187176.html
http://www.moreelcor.info/detail/link-2985.html
http://www.smartlinks.us/detail/link-135654.htm
http://www.tech4on.com/index.php?words=postcanyontrading.com&submit=Search&o=search
http://www.tiretruckcenter.com/directory/detail/link-23193.html
http://www.voodoobunny.com/detail/link-203207.html
http://www.webnetclick.com/Home/Shopping/Furniture/Rustic-Bedding-l199997.html
http://www.webnetdirectory.com/shopping/shopping_services/dp.php?id=18824
http://www.wqlj.com/detail/link-174200.htm
http://www.zenolta.com/index.php?search=postcanyontrading.com
http://www.adkads.com/midwestworkwear.com-77045.html
http://aplusdirectory.info/index.php?search=midwestworkwear.com
http://bigyellowads.com/detail/link-3307.html
http://dir4.webdirlist.com/shopping/clothing/dp6804.php
http://top.listsdir.com/shopping/clothing/dp1756.php
http://wldirectory.com/detail/link-104194.html
http://www.123usdirectory.com/index.php?search=midwestworkwear.com
http://www.abigdir.com/index.php?q=midwestworkwear.com&search-btn.x=0&search-btn.y=0
http://www.aquawebdirectory.net/detail/link-5278.html
http://www.atozdirectory.info/detail/link-27748.html
http://www.dc-studioweb.com/detail/Carhart-28044.htm
http://www.digabusiness.com/detail/Carhartt-62071.html
http://www.directory22.com/detail/link-46371.htm
http://www.directorystaff.com/detail/link-35449.html
http://www.exclusiveinternetdirectory.com/detail/link-85591.html
http://www.fgcyj.com/index.php?search=midwestworkwear.com
http://www.finest4.com/midwestworkwear.com
http://www.free-links-articles-directory.com/index.php?search=midwestworkwear.com
http://www.kingoftheweb.net/directory/index.php?search=midwestworkwear.com
http://www.lahats.org/detail/link-187177.html
http://www.moreelcor.info/detail/link-2986.html
http://www.smartlinks.us/detail/link-135655.htm
http://www.tech4on.com/index.php?words=midwestworkwear.com&submit=Search&o=search
http://www.tiretruckcenter.com/directory/detail/link-23194.html
http://www.webnetclick.com/Home/Shopping/Girls-Clothing-Shoe/Carhart-l199998.html
http://www.webnetdirectory.com/shopping/clothing/dp.php?id=18826
http://www.zenolta.com/index.php?search=midwestworkwear.com
http://aplusdirectory.info/index.php?search=clairvoyance-en-ligne.com
http://bigyellowads.com/detail/link-3308.html
http://dir4.webdirlist.com/computers_internet/internet/dp6805.php
http://top.listsdir.com/computers_internet/internet/dp1757.php
http://wldirectory.com/detail/link-104195.html
http://www.123usdirectory.com/index.php?search=clairvoyance-en-ligne.com
http://www.abigdir.com/index.php?q=clairvoyance-en-ligne.com&search-btn.x=0&search-btn.y=0
http://www.aquawebdirectory.net/detail/link-5279.html
http://www.atozdirectory.info/detail/link-27749.html
http://www.dc-studioweb.com/detail/franco-voyance-28045.htm
http://www.digabusiness.com/detail/voyance-en-ligne-62072.html
http://www.directory22.com/detail/link-46372.htm
http://www.directorystaff.com/detail/link-35450.html
http://www.exclusiveinternetdirectory.com/detail/link-85592.html
http://www.fgcyj.com/index.php?search=clairvoyance-en-ligne.com
http://www.finest4.com/clairvoyance-en-ligne.com
http://www.free-links-articles-directory.com/index.php?search=clairvoyance-en-ligne.com
http://www.kingoftheweb.net/directory/index.php?search=clairvoyance-en-ligne.com
http://www.lahats.org/detail/link-187178.html
http://www.moreelcor.info/detail/link-2987.html
http://www.smartlinks.us/detail/link-135656.htm
http://www.tech4on.com/index.php?words=clairvoyance-en-ligne.com&submit=Search&o=search
http://www.tiretruckcenter.com/directory/detail/link-23195.html
http://www.voodoobunny.com/detail/link-203210.html
http://www.webnetclick.com/Internet-Web/Others/franco-voyance-l200000.html
http://www.webnetdirectory.com/computers_and_internet/internet/dp.php?id=18827
http://www.wqlj.com/detail/link-174201.htm
http://www.zenolta.com/index.php?search=clairvoyance-en-ligne.com
http://www.adkads.com/colicreliefremedies.com-77046.html
http://aplusdirectory.info/index.php?search=colicreliefremedies.com
http://bigyellowads.com/detail/link-3309.html
http://dir.nicoo.net/detail/link-25727/
http://dir4.webdirlist.com/shopping/children/dp6806.php
http://top.listsdir.com/shopping/children/dp1758.php
http://wldirectory.com/detail/link-104196.html
http://www.123usdirectory.com/index.php?search=colicreliefremedies.com
http://www.abigdir.com/index.php?q=colicreliefremedies.com&search-btn.x=0&search-btn.y=0
http://www.aquawebdirectory.net/detail/link-5279.html
http://www.atozdirectory.info/detail/link-27751.html
http://www.dc-studioweb.com/detail/colic-in-babies-28046.htm
http://www.digabusiness.com/detail/what-is-colic-in-babies-62073.html
http://www.directory22.com/detail/link-46373.htm
http://www.directorystaff.com/detail/link-35451.html
http://www.exclusiveinternetdirectory.com/detail/link-85593.html
http://www.fgcyj.com/index.php?search=colicreliefremedies.com
http://www.finest4.com/colicreliefremedies.com
http://www.free-links-articles-directory.com/index.php?search=colicreliefremedies.com
http://www.kingoftheweb.net/directory/index.php?search=colicreliefremedies.com
http://www.lahats.org/detail/link-187180.html
http://www.moreelcor.info/detail/link-2988.html
http://www.smartlinks.us/detail/link-135657.htm
http://www.tech4on.com/index.php?words=colicreliefremedies.com&submit=Search&o=search
http://www.tiretruckcenter.com/directory/detail/link-23196.html
http://www.voodoobunny.com/detail/link-203211.html
http://www.webnetclick.com/Kids-and-Teens/colicky-baby-l200002.html
http://www.webnetdirectory.com/shopping/children/dp.php?id=18829
http://www.wqlj.com/detail/link-174202.htm
http://www.adkads.com/onemovingplace.com-77047.html
http://aplusdirectory.info/index.php?search=onemovingplace.com
http://bigyellowads.com/detail/link-3310.html
http://dir4.webdirlist.com/business_economy/transportation/dp6807.php
http://top.listsdir.com/business_economy/transportation/dp1759.php
http://wldirectory.com/detail/link-104197.html
http://www.123usdirectory.com/index.php?search=onemovingplace.com
http://www.abigdir.com/index.php?q=onemovingplace.com&search-btn.x=0&search-btn.y=0
http://www.aquawebdirectory.net/detail/link-5280.html
http://www.atozdirectory.info/detail/link-27752.html
http://www.dc-studioweb.com/detail/moving-estimate-28047.htm
http://www.digabusiness.com/detail/ryder-moving-62074.html
http://www.directory22.com/detail/link-46374.htm
http://www.directorystaff.com/detail/link-35452.html
http://www.exclusiveinternetdirectory.com/detail/link-85594.html
http://www.fgcyj.com/index.php?search=onemovingplace.com
http://www.finest4.com/onemovingplace.com
http://www.free-links-articles-directory.com/index.php?search=onemovingplace.com
http://www.kingoftheweb.net/directory/index.php?search=onemovingplace.com
http://www.lahats.org/detail/link-187182.html
http://www.moreelcor.info/detail/link-2989.html
http://www.smartlinks.us/detail/link-135659.htm
http://www.tech4on.com/index.php?words=onemovingplace.com&submit=Search&o=search
http://www.tiretruckcenter.com/directory/detail/link-23197.html
http://www.voodoobunny.com/detail/link-203212.html
http://www.webnetclick.com/Business/Transportation-and-Logistics/long-distance-moving-l200004.html
http://www.webnetdirectory.com/business_and_economy/transportation/dp.php?id=18830
http://www.wqlj.com/detail/link-174203.htm
http://www.zenolta.com/index.php?search=onemovingplace.com
http://aplusdirectory.info/index.php?search=metropolitanmovers.org
http://bigyellowads.com/detail/link-3311.html
http://dir.nicoo.net/detail/link-25728/
http://dir4.webdirlist.com/business_economy/transportation/dp6808.php
http://top.listsdir.com/business_economy/transportation/dp1760.php
http://wldirectory.com/detail/link-104198.html
http://www.abigdir.com/index.php?q=metropolitanmovers.org&search-btn.x=0&search-btn.y=0
http://www.atozdirectory.info/detail/link-27753.html
http://www.dc-studioweb.com/index.php?search=metropolitanmovers.org
http://www.digabusiness.com/detail/portland-moving-services-62075.html
http://www.exclusiveinternetdirectory.com/detail/link-85595.html
http://www.finest4.com/metropolitanmovers.org
http://www.free-links-articles-directory.com/index.php?search=metropolitanmovers.org
http://www.kingoftheweb.net/directory/index.php?search=metropolitanmovers.org
http://www.lahats.org/detail/link-187183.html
http://www.moreelcor.info/detail/link-2990.html
http://www.smartlinks.us/detail/link-135658.htm
http://www.voodoobunny.com/detail/link-203213.html
http://www.webnetdirectory.com/business_and_economy/transportation/dp.php?id=18831
http://www.zenolta.com/index.php?search=metropolitanmovers.org
http://d.circlelocal.com/detail/link-134098.html
http://directoryfuse.com/detail/link-123958.html
http://hrd.usatohifi.com/detail/link-137745.html
http://www.addbusiness.net/detail/link-138443.html
http://www.all-products-services.com/detail/Cisco-Salt-Lake-38059.htm
http://www.a-p-e-x.org/detail/network-services-Salt-Lake-City-136438.html
http://www.bt-t.com/network-consulting-Salt-Lake-City-106063.html
http://www.cannuke.com/detail/link-77758.html
http://www.cnell.org/detail/link-47226.html
http://www.cultuurtechnologie.net/detail/link-415357.html
http://www.directory.usatohouse.com/detail/link-68130.html
http://www.dirhello.com/detail/link-57029.html
http://www.freewebsitedirectory.org/detail/link-46579.html
http://www.gtawebdirectory.com/detail/Cisco-Orem-88406.htm
http://www.hitalyzer.com/detail/link-797611.html
http://www.hitwebdirectory.com/detail/link-457816.html
http://www.info-listings.com/detail/link-340559.html
http://www.kk-club.com/detail/link-156052.htm
http://www.koupa.com/detail.php?id=131262
http://www.kristenkyle.com/detail.php?id=118160
http://www.mindwebsite.com/detail/link-20715.html
http://www.my-toplinks.com/detail/managed-network-11837/
http://www.pegasusdirectory.com/detail/link-402939.html
http://www.runfatcat.com/detail/Cisco-Orem-101234.html
http://www.seodeeplinks.net/detail/link-151728.html
http://www.seorange.com/detail/link-188997.html
http://www.seowebdir.net/detail/link-167474.html
http://www.submit2ukdirectory.com/detail/Cisco-Provo-30020.html
http://www.xurt.com/detail/link-107557.htm
http://www.zssfw.com/detail/link-147018.html
http://www.cnell.org/detail/link-47227.html
http://www.freewebsitedirectory.org/detail/link-46580.html
http://www.gtawebdirectory.com/detail/movers-san-jose-88407.htm
http://www.hitwebdirectory.com/detail/link-457817.html
http://www.mindwebsite.com/detail/link-20716.html
http://www.zssfw.com/detail/link-147019.html
http://d.circlelocal.com/detail/link-134099.html
http://directoryfuse.com/detail/link-123959.html
http://hrd.usatohifi.com/detail/link-137746.html
http://www.addbusiness.net/detail/link-138444.html
http://www.all-products-services.com/detail/San-Diego-property-managers-38058.htm
http://www.cnell.org/detail/link-47228.html
http://www.directory.usatohouse.com/detail/link-68131.html
http://www.dirhello.com/detail/link-57030.html
http://www.freewebsitedirectory.org/detail/link-46581.html
http://www.gtawebdirectory.com/detail/property-management-San-Diego-88408.htm
http://www.hitwebdirectory.com/detail/link-457818.html
http://www.info-listings.com/detail/link-340562.html
http://www.koupa.com/detail.php?id=131263
http://www.kristenkyle.com/detail.php?id=118161
http://www.mindwebsite.com/detail/link-20717.html
http://www.my-toplinks.com/detail/San-Diego-property-management-11838/
http://www.seodeeplinks.net/detail/link-151729.html
http://www.seorange.com/detail/link-188999.html
http://www.seowebdir.net/detail/link-167475.html
http://www.submit2ukdirectory.com/detail/San-Diego-property-management-30021.html
http://www.zssfw.com/detail/link-147020.html
http://d.circlelocal.com/detail/link-134100.html
http://directoryfuse.com/detail/link-123960.html
http://hrd.usatohifi.com/detail/link-137747.html
http://www.addbusiness.net/detail/link-138445.html
http://www.all-products-services.com/detail/Furnace-Salt-Lake-38060.htm
http://www.a-p-e-x.org/detail/Main-Line-Sewer-Repair-Salt-Lake-City-136440.html
http://www.bt-t.com/Heating-Salt-Lake-City-106066.html
http://www.cannuke.com/detail/link-77759.html
http://www.cnell.org/detail/link-47229.html
http://www.cultuurtechnologie.net/detail/link-415358.html
http://www.directory.usatohouse.com/detail/link-68132.html
http://www.dirhello.com/detail/link-57031.html
http://www.freewebsitedirectory.org/detail/link-46582.html
http://www.gtawebdirectory.com/detail/Drain-Cleaner-Salt-Lake-City-88409.htm
http://www.hitalyzer.com/detail/link-797612.html
http://www.hitwebdirectory.com/detail/link-457819.html
http://www.info-listings.com/detail/link-340566.html
http://www.kk-club.com/detail/link-156053.htm
http://www.koupa.com/detail.php?id=131264
http://www.kristenkyle.com/detail.php?id=118162
http://www.mindwebsite.com/detail/link-20718.html
http://www.my-toplinks.com/detail/Heater-Park-City-11839/
http://www.pegasusdirectory.com/detail/link-402942.html
http://www.runfatcat.com/detail/Furnace-repair-Salt-Lake-101235.html
http://www.seodeeplinks.net/detail/link-151730.html
http://www.seorange.com/detail/link-189000.html
http://www.seowebdir.net/detail/link-167476.html
http://www.submit2ukdirectory.com/detail/Furnace-repair-Salt-Lake-City-30022.html
http://www.xurt.com/detail/link-107558.htm
http://www.zssfw.com/detail/link-147021.html
http://d.circlelocal.com/detail/link-134101.html

Article Source:- http://www.thehindu.com/sci-tech/science/article2782323.ece?homepage=true