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75% of Ocean Creatures Yet to Be Discovered

75% of Ocean Creatures Yet to Be Discovered

When advocating conservation and action on climate change, we tend to talk about all the familiar things that we might lose. Coffee, polar bears, sharks: all of these things are well known and loved by humans — even if it’s not up close. Still, if ocean conservation efforts fail, and climate change continues at the current accelerated pace, it’s not the loss of familiar things that will be most tragic.

A collaboration of scientists from all over the world recently allowed completion of the first official register of what lives in the oceans. Called the World Register of Marine Species (WoRMS), the effort led researchers to estimate that the total number of species in the seas is between 700,000 to 1 million, but only 226,000 have been formally identified. That means up to three-quarters of the world’s marine animals and plants are yet to be seen or even described by scientists.

The good news is that technological advancements could make it possible to catalog all of the remaining species by the end of the century. The bad news is that climate change, overfishing and off-shore oil drilling could make it impossible for some of these known and unknown species to last that long.

More than 40 percent of the world’s oceans and coasts are heavily affected by human activities and few, if any, areas remain untouched, according to a 2008 study from the National Center for Ecological Analysis and Synthesis. For the last two decades, Indo-Pacific reefs have shrunk by 1 percent each year — a loss equivalent to nearly 600 square miles (1,553 square kilometers). That makes the rate of reef loss about twice the rate of tropical rainforest loss.

Coral reefs, which are incredibly sensitive to pollution and ocean acidification caused by global warming, are not only beautiful areas of intense marine diversity. They’re also an important link in the ocean food chain. Coral reefs are critical to nearly a quarter of the world’s marine fish species, support the livelihoods of half a million people, and contribute more than $170 billion each year to world economies. Losing them would be the first domino in a series of extinctions, the last of which could be human. Is that really something we’re ready to risk in exchange for a few more decades of pollution?

Related Reading:

Ocean Acidification Causes Baby Coral To Make Bad Choices

After Rio+20: What Now For The Oceans?

New Vision For Antarctic Marine Protection

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76 comments

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9:53AM PST on Feb 15, 2013

"Losing them would be the first domino in a series of extinctions, the last of which could be human". And if this happens, we, humans, will be the only to blame.

5:08AM PST on Jan 11, 2013

There's always a lot for us to learn about the sea and the lives in it

4:00PM PST on Jan 10, 2013

Thank you Beth, for Sharing this!

9:11AM PST on Dec 16, 2012

thanks for sharing :)

4:10AM PST on Dec 14, 2012

When will people stop destroying our oceans, killing animals and the environment? What we need is to destroy human race and then nature will rebuilt itself.

11:40AM PST on Dec 13, 2012

I say, lets hope they're never discovered so we humans can never find a way to ruin their lives!

8:12AM PST on Dec 7, 2012

amazing...

3:42AM PST on Dec 7, 2012

Inner space, like outer space, a lot to explore.

2:50AM PST on Dec 7, 2012

I think we should become extinct instead of the defenceless animals which probably have no idea how many of them we've destroyed. I think what we've done is inexcuseable!

10:45AM PST on Dec 5, 2012

And may God help them when they are discovered and pray to keep them away from humans if you don't want to see them become extinct.

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