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Martian Plants

MaxSterling
Posts: 62
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12/30/2015 11:45:41 PM
Posted: 1 year ago
So assume that we begin terraforming mars in the near future at some point. Would the high iron content in the soil affect the colouration of terran plants? What are some examples of that on Earth? Then if we introduced fauna into the ecosystem, would their colouration also change to fit the red soil and potentially red plants?
"But why do you want REVENGE?!"

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Skepsikyma
Posts: 8,447
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12/31/2015 5:28:05 AM
Posted: 1 year ago
At 12/30/2015 11:45:41 PM, MaxSterling wrote:
So assume that we begin terraforming mars in the near future at some point. Would the high iron content in the soil affect the colouration of terran plants? What are some examples of that on Earth? Then if we introduced fauna into the ecosystem, would their colouration also change to fit the red soil and potentially red plants?

The green coloration of plants on earth has less to do with soil and more to do with optimal absorption of the sort of light which filters to our planet's surface. Look at the spectral composition of the light that's hitting mars' surface, and plants would likely slowly evolve to reflect the sort of light which is least represented and absorb the more prevalent colors. Light on mars is slightly more red, so plants would actually evolve to absorb more red and reflect more blue, making them 'bluer', if anything.
"Whatever else is evil, the pride of a good mother in the beauty of her daughter is good. It is one of those adamantine tendernesses which are the touchstones of every age and race. If other things are against it, other things must go down. If landlords and laws and sciences are against it, landlords and laws and sciences must go down. With the red hair of one she-urchin in the gutter I will set fire to all modern civilization."
- G. K. Chesterton -
TBR
Posts: 9,991
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12/31/2015 7:09:34 PM
Posted: 1 year ago
At 12/31/2015 5:28:05 AM, Skepsikyma wrote:
At 12/30/2015 11:45:41 PM, MaxSterling wrote:
So assume that we begin terraforming mars in the near future at some point. Would the high iron content in the soil affect the colouration of terran plants? What are some examples of that on Earth? Then if we introduced fauna into the ecosystem, would their colouration also change to fit the red soil and potentially red plants?

The green coloration of plants on earth has less to do with soil and more to do with optimal absorption of the sort of light which filters to our planet's surface. Look at the spectral composition of the light that's hitting mars' surface, and plants would likely slowly evolve to reflect the sort of light which is least represented and absorb the more prevalent colors. Light on mars is slightly more red, so plants would actually evolve to absorb more red and reflect more blue, making them 'bluer', if anything.

Good answer, thanks. The idea is what popped into my mind, but could not have put it nearly as well.
MaxSterling
Posts: 62
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12/31/2015 10:49:51 PM
Posted: 1 year ago
At 12/31/2015 5:28:05 AM, Skepsikyma wrote:
At 12/30/2015 11:45:41 PM, MaxSterling wrote:
So assume that we begin terraforming mars in the near future at some point. Would the high iron content in the soil affect the colouration of terran plants? What are some examples of that on Earth? Then if we introduced fauna into the ecosystem, would their colouration also change to fit the red soil and potentially red plants?

The green coloration of plants on earth has less to do with soil and more to do with optimal absorption of the sort of light which filters to our planet's surface. Look at the spectral composition of the light that's hitting mars' surface, and plants would likely slowly evolve to reflect the sort of light which is least represented and absorb the more prevalent colors. Light on mars is slightly more red, so plants would actually evolve to absorb more red and reflect more blue, making them 'bluer', if anything.

Thank you
"But why do you want REVENGE?!"

"I HAVE REASONS!!!!!"
Skepsikyma
Posts: 8,447
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1/1/2016 9:03:59 PM
Posted: 1 year ago
At 12/31/2015 7:09:34 PM, TBR wrote:
At 12/31/2015 5:28:05 AM, Skepsikyma wrote:
At 12/30/2015 11:45:41 PM, MaxSterling wrote:
So assume that we begin terraforming mars in the near future at some point. Would the high iron content in the soil affect the colouration of terran plants? What are some examples of that on Earth? Then if we introduced fauna into the ecosystem, would their colouration also change to fit the red soil and potentially red plants?

The green coloration of plants on earth has less to do with soil and more to do with optimal absorption of the sort of light which filters to our planet's surface. Look at the spectral composition of the light that's hitting mars' surface, and plants would likely slowly evolve to reflect the sort of light which is least represented and absorb the more prevalent colors. Light on mars is slightly more red, so plants would actually evolve to absorb more red and reflect more blue, making them 'bluer', if anything.

Good answer, thanks. The idea is what popped into my mind, but could not have put it nearly as well.

Haha, thanks; it's fun to think about. Interestingly enough, the flowers may wind up being green, because they have to stick out from both the foliage and surrounding landscape if they want to attract insect attention.
"Whatever else is evil, the pride of a good mother in the beauty of her daughter is good. It is one of those adamantine tendernesses which are the touchstones of every age and race. If other things are against it, other things must go down. If landlords and laws and sciences are against it, landlords and laws and sciences must go down. With the red hair of one she-urchin in the gutter I will set fire to all modern civilization."
- G. K. Chesterton -