CO2 is a very good thing

[bigrebnc1775]

Watch and learn warmers

From the video
Isolated for 42 days in chambers of ambient and elevated CO2 concentrations, we periodically document the growth of cowpea plants (Vigna unguiculata) via time-lapse photography.
[ame=http://www.youtube.com/watch?v=P2qVNK6zFgE&feature=recentf]YouTube - Seeing is Believing[/ame]

 

[IanC]

Plants like CO2 and warm temperatures. Just like the earth had in previous times (that were often called xxxx Optimum). But this time it is bad, just ask them.

 

[bigrebnc1775]

Plants like CO2 and warm temperatures. Just like the earth had in previous times (that were often called xxxx Optimum). But this time it is bad, just ask them.

It seems like a lot of concentrated CO2 grew a bigger plant to me.

 

[rdean]

God you guys are dumb.

Further evidence why right wingers and science don't mix.

Find out how added CO2 "improves" the nutritious value of said "plants".

You might as well be eating "cardboard".

 

[bigrebnc1775]

God you guys are dumb.

Further evidence why right wingers and science don't mix.

Find out how added CO2 "improves" the nutritious value of said "plants".

You might as well be eating "cardboard".

So tell us deano what makes a plant grow?

 

[Old Rocks]

So tell me, dumbass, what part of nutrition within said plant did you not understand. And not all plants react with faster growth. In fact, when other factors are added, the additional CO2 may suppress growth.

Climate Change Surprise: High Carbon Dioxide Levels Can Retard Plant Growth, Study Reveals

But results from the third year of the experiment revealed a more complex scenario. While treatments involving increased temperature, nitrogen deposition or precipitation – alone or in combination – promoted plant growth, the addition of elevated CO2 consistently dampened those increases.

"The three-factor combination of increased temperature, precipitation and nitrogen deposition produced the largest stimulation [an 84 percent increase], but adding CO2 reduced this to 40 percent," Shaw and her colleagues wrote.

The mean net plant growth for all treatment combinations with elevated CO2 was about 4.9 tons per acre – compared to roughly 5.5 tons per acre for all treatment combinations in which CO2 levels were kept normal. However, when higher amounts of CO2 gas were added to plots with normal temperature, moisture and nitrogen levels, aboveground plant growth increased by nearly a third.

 

[Old Rocks]

Increased CO2 Levels Are Mixed Blessing For Agriculture

If you’re looking for a positive spin on rising CO2 levels, it’s that agricultural production in some areas is bound to increase,” Curtis said. “Crops have higher yields when more CO2 is available, even if growing conditions aren’t perfect.

“But there’s a tradeoff between quantity and quality. While crops may be more productive, the resulting produce will be of lower nutritional quality

 

[IanC]

CO2 Enrichment and Plant Nutrition Buy the Truth

This is an interesting link that discusses studies done for IPCC predictions of temperature and CO2

 

[Old Rocks]

Climate myths: Higher CO2 levels will boost plant growth and food production - environment - 16 May 2007 - New Scientist

Limiting factors
However, while experiments on natural ecosystems have also found initial elevations in the rate of plant growth, these have tended to level off within a few years. In most cases this has been found to be the result of some other limiting factor, such as the availability of nitrogen or water.

The regional climate changes that higher CO2 will bring, and their effect on these limiting factors on plant growth, such as water, also have to be taken into account. These indirect effects are likely to have a much larger impact than CO2 fertilisation.

For instance, while higher temperatures will boost plant growth in cooler regions, in the tropics they may actually impede growth. A two-decade study of rainforest plots in Panama and Malaysia recently concluded that local temperature rises of more than 1ºC have reduced tree growth by 50 per cent (see Don't count on the trees).

Another complicating factor is ground level ozone due to air pollution, which damages plants. This is expected to rise in many regions over the coming decades and could reduce or even negate the beneficial effects of higher CO2 (see Climate change warning over food production).

In the oceans, increased CO2 is causing acidification of water. Recent research has shown that the expected doubling of CO2 concentrations could inhibit the development of some calcium-shelled organisms, including phytoplankton, which are at the base of a large and complex marine ecosystem (see Ocean acidification: the other CO2 problem). That may also result in significant loss of biodiversity, possibly including important food species.

 

[Old Rocks]

It should be noted that just the increase of CO2 will not be that great a boon. Without other factors also being present, in some cases, and for certain food crops, the increase in CO2 could lead to a decrease in the amount of crop yeild and also a decrease in nutritional value.

 

[bigrebnc1775]

=Old Rocks;2731584]So tell me, dumbass, what part of nutrition within said plant did you not understand. And not all plants react with faster growth. In fact, when other factors are added, the additional CO2 may suppress growth.

Does the grownup language make you feel tougher junior?

 

[bigrebnc1775]

Increased CO2 Levels Are Mixed Blessing For Agriculture

If you’re looking for a positive spin on rising CO2 levels, it’s that agricultural production in some areas is bound to increase,” Curtis said. “Crops have higher yields when more CO2 is available, even if growing conditions aren’t perfect.

“But there’s a tradeoff between quantity and quality. While crops may be more productive, the resulting produce will be of lower nutritional quality

Something I have done for year and now you think you can say its wrong and I believe it.

 

[bigrebnc1775]

Climate myths: Higher CO2 levels will boost plant growth and food production - environment - 16 May 2007 - New Scientist

Limiting factors
However, while experiments on natural ecosystems have also found initial elevations in the rate of plant growth, these have tended to level off within a few years. In most cases this has been found to be the result of some other limiting factor, such as the availability of nitrogen or water.

The regional climate changes that higher CO2 will bring, and their effect on these limiting factors on plant growth, such as water, also have to be taken into account. These indirect effects are likely to have a much larger impact than CO2 fertilisation.

For instance, while higher temperatures will boost plant growth in cooler regions, in the tropics they may actually impede growth. A two-decade study of rainforest plots in Panama and Malaysia recently concluded that local temperature rises of more than 1ºC have reduced tree growth by 50 per cent (see Don't count on the trees).

Another complicating factor is ground level ozone due to air pollution, which damages plants. This is expected to rise in many regions over the coming decades and could reduce or even negate the beneficial effects of higher CO2 (see Climate change warning over food production).

In the oceans, increased CO2 is causing acidification of water. Recent research has shown that the expected doubling of CO2 concentrations could inhibit the development of some calcium-shelled organisms, including phytoplankton, which are at the base of a large and complex marine ecosystem (see Ocean acidification: the other CO2 problem). That may also result in significant loss of biodiversity, possibly including important food species.

2007 fail
I want to see the data that was disgarded, their original data that they based thei finding on. Because any information you use on or before the dat they were busted is meaningless and is not to be trusted.

Something dated 2010 will do.

 

[konradv]

Water is a good thing, too. The trouble comes when you have too much of it. Just ask the residents of NOLA. Sure extra CO2 is good in a controlled environment. That's not the situation we're facing on the global scale. There are other factors to be considered, like higher temps leading to more water vapor in the atmosphere, which we're reminded repeatedly by the deniers is the more potent GHG. How can you seperate one side of the argument from the other? That's just not logical.

 

[CrusaderFrank]

Obviously the tank with more CO2 grew because the temperature spiked 7 degrees, glaciers melted, plankton died and all those Cat 5 hurricanes, amiright?

 

[konradv]

Obviously the tank with more CO2 grew because the temperature spiked 7 degrees, glaciers melted, plankton died and all those Cat 5 hurricanes, amiright?

RARELY

 

[CrusaderFrank]

Water is a good thing, too. The trouble comes when you have too much of it. Just ask the residents of NOLA. Sure extra CO2 is good in a controlled environment. That's not the situation we're facing on the global scale. There are other factors to be considered, like higher temps leading to more water vapor in the atmosphere, which we're reminded repeatedly by the deniers is the more potent GHG. How can you seperate one side of the argument from the other? That's just not logical.

Al Gore said almost the exact same thing in "Earth in the Balance", he blamed water vapor

 

[Old Rocks]

Increased CO2 Levels Are Mixed Blessing For Agriculture

If you’re looking for a positive spin on rising CO2 levels, it’s that agricultural production in some areas is bound to increase,” Curtis said. “Crops have higher yields when more CO2 is available, even if growing conditions aren’t perfect.

“But there’s a tradeoff between quantity and quality. While crops may be more productive, the resulting produce will be of lower nutritional quality

Something I have done for year and now you think you can say its wrong and I believe it.

OK, dingleberry, it wasn't me that wrote the article. It was an article from the University of Ohio. Seems to me that they do know something about agriculture in Ohio.

 

[konradv]

Water is a good thing, too. The trouble comes when you have too much of it. Just ask the residents of NOLA. Sure extra CO2 is good in a controlled environment. That's not the situation we're facing on the global scale. There are other factors to be considered, like higher temps leading to more water vapor in the atmosphere, which we're reminded repeatedly by the deniers is the more potent GHG. How can you seperate one side of the argument from the other? That's just not logical.

Al Gore said almost the exact same thing in "Earth in the Balance", he blamed water vapor

He's a smart man. What the deniers have to consider is where that water's coming from and why. Can you enlighten us, Frank? If it's not CO2 and other GHGs increasing temps, where's it coming from?

 

[CrusaderFrank]

Water is a good thing, too. The trouble comes when you have too much of it. Just ask the residents of NOLA. Sure extra CO2 is good in a controlled environment. That's not the situation we're facing on the global scale. There are other factors to be considered, like higher temps leading to more water vapor in the atmosphere, which we're reminded repeatedly by the deniers is the more potent GHG. How can you seperate one side of the argument from the other? That's just not logical.

Al Gore said almost the exact same thing in "Earth in the Balance", he blamed water vapor

He's a smart man. What the deniers have to consider is where that water's coming from and why. Can you enlighten us, Frank? If it's not CO2 and other GHGs increasing temps, where's it coming from?

My guess would be that the water comes from the oceans.