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Old 24-05-2018, 05:14   #1
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The biomass distribution on Earth

The world’s 7.6 billion people represent just 0.01% of the biomass of all living things, according to the linked study*. Yet since the dawn of civilization, humanity has caused the loss of 83% of all wild mammals and half of plants, while livestock kept by humans abounds.
For instance, 60% of all mammals on Earth are livestock (mostly cattle and pigs), 36% are human and just 4% are wild animals.
The new work is the first comprehensive estimate of the weight of every class of living creature and overturns some long-held assumptions. Bacteria are indeed a major life form – 13% of everything – but plants overshadow everything, representing 82% of all living matter. All other creatures, from insects to fungi, to fish and animals, make up just 5% of the world’s biomass.
Another surprise is that the teeming life revealed in the oceans by the recent BBC television series “Blue Planet II” turns out to represent just 1% of all biomass. The vast majority of life is land-based and a large chunk – an eighth – is bacteria buried deep below the surface.

*The biomass distribution on EarthThe biomass distribution on Earth | PNAS
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Old 24-05-2018, 05:24   #2
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Re: The biomass distribution on Earth

Interesting and enlightening.
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Old 24-05-2018, 05:55   #3
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Re: The biomass distribution on Earth

Yes, interesting reading. Thanks Gord.

All too often we hear how it is impossible for Humanity to be affecting something as large as global the biosphere. This paper clearly shows how we have reshaped Earth on truly planetary scales.
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Old 24-05-2018, 10:20   #4
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Re: The biomass distribution on Earth

you mean if we all jumped in the sea at the same time it would not cause the sea level to rise,as some climate change deniers would have us believe..........
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Old 24-05-2018, 10:37   #5
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Re: The biomass distribution on Earth

Quote:
Originally Posted by atoll View Post
you mean if we all jumped in the sea at the same time it would not cause the sea level to rise,as some climate change deniers would have us believe..........
A lot of climate change believers would like to see this become a recommendation .
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Old 24-05-2018, 11:24   #6
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Re: The biomass distribution on Earth

The US is over populated, The world is overpopulated. Until people are willing to talk about the problem it will only get worse.
I'm a vet. I did my part to help the problem.
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Old 24-05-2018, 11:28   #7
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Re: The biomass distribution on Earth

Thanks Gord
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Old 24-05-2018, 11:39   #8
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Re: The biomass distribution on Earth

Careful what your wish for. It was just 90 years ago when the Spanish Influenza became a pandemic. One third of the earths population infected and 10% of those people died.

How quickly would something like that spread in today's society? How many would survive?
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Old 24-05-2018, 12:19   #9
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Re: The biomass distribution on Earth

Current Ebola outbreak in Congo, in a city of over 1 million.
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Old 24-05-2018, 14:54   #10
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Re: The biomass distribution on Earth

Quote:
Originally Posted by atoll View Post
you mean if we all jumped in the sea at the same time it would not cause the sea level to rise,as some climate change deniers would have us believe..........
It would rise - but not much.

If the entire human population jumped into the sea at the same time, how much would sea levels rise (immediately after the jump)?
The ocean would rise 10^-6 meters, or one micron (less than 0.00004 inches).

However, if all the ice in glaciers and ice sheets melted, the sea level would rise by about 80 meters (262 ft)

https://www.quora.com/If-the-entire-...after-the-jump

https://www.quora.com/If-everyone-in...ean-level-rise
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Old 24-05-2018, 15:11   #11
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Re: The biomass distribution on Earth

Quote:
Originally Posted by GordMay View Post
It would rise - but not much.

If the entire human population jumped into the sea at the same time, how much would sea levels rise (immediately after the jump)?
The ocean would rise 10^-6 meters, or one micron (less than 0.00004 inches).

https://www.quora.com/If-the-entire-...after-the-jump

https://www.quora.com/If-everyone-in...ean-level-rise
Thanks Gord,i will pass that on to my friends in Kiribati and Tuvalu
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Old 24-05-2018, 17:50   #12
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Re: The biomass distribution on Earth

However apparently enough US Marines can tip Guam over and sink it
https://youtu.be/cesSRfXqS1Q
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Old 25-05-2018, 03:38   #13
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Re: The biomass distribution on Earth

Quote:
Originally Posted by GordMay View Post
It would rise - but not much.

If the entire human population jumped into the sea at the same time, how much would sea levels rise (immediately after the jump)?
The ocean would rise 10^-6 meters, or one micron (less than 0.00004 inches).

However, if all the ice in glaciers and ice sheets melted, the sea level would rise by about 80 meters (262 ft)

https://www.quora.com/If-the-entire-...after-the-jump

https://www.quora.com/If-everyone-in...ean-level-rise
thanks gord,i had not seen the edit!

perhaps i should not sell my other boats when i go cruising instead offer them to my children as a AirBNB enterprise for displaced pacific islanders and dutch people

looking forward to all the exciting new cruising destinations that one could only get to by road before
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Old 05-06-2018, 04:15   #14
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Re: The biomass distribution on Earth

Here's an article that summarizes the scientific paper ➥ The biomass distribution on Earth | PNAS

All life on Earth, in one chart https://www.vox.com/science-and-heal...s-animals-pnas
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Old 05-06-2018, 04:48   #15
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Re: The biomass distribution on Earth

I live on a boat. If the sea level rises 260 feet over the next year... I’d still be living at sea level enjoying the view.
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