Immediate action to halt climate change impact is not only necessary to prevent glaciers from melting, and polar bears from going extinct, but also to keep our oceans healthy. If we fail to do something quick about climate change problem marine life in our oceans and seas will be in great jeopardy and many marine species will go extinct.
Many of you already know that climate change is caused by excessive carbon emissions, oceans absorb large quantities of carbon dioxide that makes ocean much more acidic because CO2 dissolves in water creating carbonic acid in process. As our oceans and seas are becoming more and more acidic many marine species such as corals will lose their ability to form calcium carbonate shells and skeletal structures which could lead many of them to the brink of extinction. And since life in every corner of our planet, including oceans, is interconnected this will create irreparable damage to many other marine species that depend upon these creatures, and food chain will be broken in many places.
Showing posts with label marine life. Show all posts
Showing posts with label marine life. Show all posts
Friday, October 9, 2009
Thursday, January 29, 2009
Antarctic sea life vulnerable to warming
Antarctic sea creatures such as Antarctic sea spiders, limpets or sea urchins are probably among the most vulnerable species to global warming because they are able to tolerate only a very narrow temperature band, and Antarctic water temperatures have already experienced rise of about 1 C in the last 50 years. Antarctica is one of the areas struck mostly with global warming and Antarctica's marine ecosystems are among the most vulnerable ones on Earth, because Antarctic sea creatures are extremely sensitive to even small rise in temperature.
Scientists believe that additional rise in temperature of about 2-3 degree Celsius would very likely cause these animals to lose vital functions leading them towards the extinction. For instance, certain laboratory tests have shown that clams and limpets once in warmer waters lose the ability to right themselves if they land upside down which is crucial for survival in Antarctica's shallows, where icebergs regularly scrape across rocks on the seabed.
Antarctic sea creatures are extremely vulnerable to global warming and many will go extinct if temperatures in Antarctica continue to rise.
The U.N. climate panel has estimated that Antarctica will experience temperature rise somewhere between 1.8 C and 4 C this century. This would very likely cause serious changes in Antarctica's marine ecosystems, and many unique Antarctic sea creatures are very likely to go extinct.
Scientists believe that additional rise in temperature of about 2-3 degree Celsius would very likely cause these animals to lose vital functions leading them towards the extinction. For instance, certain laboratory tests have shown that clams and limpets once in warmer waters lose the ability to right themselves if they land upside down which is crucial for survival in Antarctica's shallows, where icebergs regularly scrape across rocks on the seabed.
Antarctic sea creatures are extremely vulnerable to global warming and many will go extinct if temperatures in Antarctica continue to rise.
The U.N. climate panel has estimated that Antarctica will experience temperature rise somewhere between 1.8 C and 4 C this century. This would very likely cause serious changes in Antarctica's marine ecosystems, and many unique Antarctic sea creatures are very likely to go extinct.
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