Scientists Discover Second Instance O...

Scientists Discover Second Instance Of Global...

There are 2 comments on the RedOrbit story from Nov 3, 2013, titled Scientists Discover Second Instance Of Global.... In it, RedOrbit reports that:

Image Caption: An artist's rendering of the early horse Hyracotherium alongside a modern-day horse.

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SpaceBlues

Houston, TX

#1 Nov 3, 2013
"Developing a better understanding of the relationship between mammalian body size change and greenhouse gas-induced global warming during the geological past may help us predict ecological changes that may occur in response to current changes in Earth's climate," Clyde said.

In 2006, Gingerich proposed that mammalian dwarfing could be a response to the lower nutritional value of plants grown under elevated carbon dioxide levels. Under such conditions, plants grow quickly but are less nutritious than they would normally be.
LessHypeMoreFact

Etobicoke, Canada

#2 Nov 4, 2013
SpaceBlues wrote:
In 2006, Gingerich proposed that mammalian dwarfing could be a response to the lower nutritional value of plants grown under elevated carbon dioxide levels. Under such conditions, plants grow quickly but are less nutritious than they would normally be.
Sad but true. Three reasons I know of.

One is that the extra carbon goes to making woody cellulose rather than food production.

Two is that the stomata close up to limit the CO2 and this reduces transpiration which in turn lowers the amount of minerals that can be moved into the plant by sap transport from the roots.

Three is that their is a higher metabolic demand on the plant during the night, using up food produced during the day and this lowers yield of the energy containing food part.

p.s. They can put negative icons on this post too but it won't change the facts. Facts that they will have to live with.

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