Originals
Response of Marine Macroalgae to Ocean Acidification Print E-mail
Written by Staff   
Thursday, 31 December 2015 16:49

Most studies of the effects of atmospheric CO2 enrichment on Earth’s vegetation have dealt with common terrestrial plants, ranging from grasses to trees, while very few have focused on sizable plants of aquatic realms. This summary reports the results of several research studies that have evaluated the responses of marine macroalgae to elevated levels of atmospheric CO2.



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Benefits of Atmospheric C02 Enrichment on Tomatos Print E-mail
Written by Staff   
Thursday, 31 December 2015 16:45

Nearly all crops respond to increases in the air's CO2 content by displaying enhanced rates of photosynthesis and biomass production; and in this brief review of some recent pertinent papers, we find that tomato is no exception to the rule, even when grown under stressful conditions of fungal infection and high soil salinity.



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Benefits of Atmospheric C02 Enrichment on Maize Print E-mail
Written by Staff   
Thursday, 31 December 2015 16:37

Nearly all agricultural species -- including C4 plants -- respond positively to increases in the air’s CO2 content by displaying enhanced rates of photosynthesis and biomass production, as well as higher rates of water use efficiency. This summary reviews some of the impacts of these and other related phenomena as they pertain to the C4 crop species of corn (Zea mays L.), or maize as it is often called.



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Benefits of Atmospheric C02 Enrichment on Maize Print E-mail
Written by Staff   
Thursday, 31 December 2015 16:37

Nearly all agricultural species -- including C4 plants -- respond positively to increases in the air’s CO2 content by displaying enhanced rates of photosynthesis and biomass production, as well as higher rates of water use efficiency. This summary reviews some of the impacts of these and other related phenomena as they pertain to the C4 crop species of corn (Zea mays L.), or maize as it is often called.



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Benefits of Atmospheric C02 Enrichment on Sunflowers Print E-mail
Written by Staff   
Thursday, 12 November 2015 13:37

The common sunflower (Helianthus annuus) is a large annual forb of the genus Helianthus. First domesticated in the Americas, sunflower is cultivated across the world for its oil and fruits. Sunflower seeds (the edible fruit) are typically produced and sold as a snack food for human consumption, bird feed, or as livestock forage. Sunflower oil (extracted from the seeds) is commonly used in cooking, but it is also utilized as a biofuel in the emerging biodiesel market. Additionally, sunflowers are cultivated for the production of latex and nonallergenic rubber.



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Interactive Effects of C02 and Air Pollution on Wheat Print E-mail
Written by Staff   
Friday, 23 October 2015 18:17

Atmospheric CO2 enrichment typically enhances photosynthesis and biomass production in wheat (Triticum aestivum L.) under normal growing conditions. But what happens when environmental conditions are less than ideal? This Summary investigates this question as it pertains to the impact of air pollutants on the growth and development of wheat, as learned from a number of scientific studies published on this topic.



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Response of Corals to Acidification: What Can Be Learned From Field Studies? Print E-mail
Written by Staff   
Friday, 23 October 2015 13:51

Most of the ocean acidification research conducted to date has focused solely on the biological impacts of declining seawater pH. Fewer studies have investigated the interactive effects of ocean acidification and temperature. This summary examines what has been learned in several of such studies for coral reefs, as reported in various field-based studies on the topic. Contrary to what is widely assumed and reported, the studies reviewed here collectively reveal that many corals will remain unaffected by rising temperatures and atmospheric CO2 concentrations. Furthermore, in contrast to projections, some will likely experience growth and performance benefits.



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Deserts: Are They Expanding Or Shrinking? Print E-mail
Written by Staff   
Wednesday, 07 October 2015 00:00

Back when the atmosphere’s CO2 concentration was approximately 340 ppm (up from a preindustrial value on the order of 280 ppm), Idso (1982) stated in a small self-published book (Carbon Dioxide: Friend or Foe?) that if the air’s CO2 content continued to climb, it would ultimately enhance plant growth and water use efficiency to the point that semi-arid lands not then suitable for cultivation “could be brought into profitable production,” further stating that “the deserts themselves could ‘blossom as the rose’.” A few years later he advanced essentially the same thesis, but this time in the pages of Nature (Idso, 1986) in a brief paper entitled “Industrial Age Leading to the Greening of the Earth.



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Deserts: Are They Expanding Or Shrinking? Print E-mail
Written by Staff   
Wednesday, 07 October 2015 00:00

Back when the atmosphere’s CO2 concentration was approximately 340 ppm (up from a preindustrial value on the order of 280 ppm), Idso (1982) stated in a small self-published book (Carbon Dioxide: Friend or Foe?) that if the air’s CO2 content continued to climb, it would ultimately enhance plant growth and water use efficiency to the point that semi-arid lands not then suitable for cultivation “could be brought into profitable production,” further stating that “the deserts themselves could ‘blossom as the rose’.” A few years later he advanced essentially the same thesis, but this time in the pages of Nature (Idso, 1986) in a brief paper entitled “Industrial Age Leading to the Greening of the Earth.



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The Response Of Enchinoderms to Ocean Acidification Print E-mail
Written by Staff   
Wednesday, 16 September 2015 20:27

As the air’s CO2 content rises in response to ever-increasing anthropogenic CO2 emissions, and as more and more carbon dioxide therefore dissolves in the surface waters of the world’s oceans, theoretical reasoning suggests the pH values of the planet’s oceanic waters should be gradually dropping. The IPCC and others postulate that this chain of events, commonly referred to as ocean acidification, will cause great harm -- and possibly death -- to marine life in the decades and centuries to come. However, as ever more pertinent evidence accumulates, a much more optimistic viewpoint is emerging. This summary examines the topic of the potential impacts of ocean acidification on echinoderms.



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