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Volume 22: March 2019
New material posted nearly every day!

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Last 15 Postings

Projecting Future Crop Yield Increases in India (25 March 2019)
Despite projected reductions in precipitation and concomitant increases in air temperature, the authors of this study predict increasing yields of wheat, maize and barley in the Banas River Basin of India in the future, thanks in large measure to the aerial fertilization effect of rising atmospheric CO2 concentrations...

Plant Growth Database (25 March 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Smooth Brome (McGranahan and Yurkonis, 2018). To access the entire database, click here.

The Invalidation of Future Sea Level Rise Projections (22 March 2019)
Comparison of observational data versus model projections of sea level rise over the past decade reveal that the models are projecting far too great a rise than what is being observed. And that comparison invalidates the model projections of sea level rise for the rest of this century and beyond...

Plant Growth Database (22 March 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Blue Grama (McGranahan and Yurkonis, 2018). To access the entire database, click here.

Investigating the Controlling Factors of Coral Calcification (21 March 2019)
Using geochemical analyses, a team of Australian researchers found that coral calcification is mainly biologically-controlled, suggesting that this reef-building process is much more resistant to ocean acidification and warming than previously thought...

Seed Trait Responses of a Prairie Grassland to Warming and Elevated CO2 (20 March 2019)
Based on seed fill, viability, mass and germination data, it appears that there will be little, if any, alteration in the composition of natural prairie Wyoming grasslands in response to rising atmospheric CO2 and temperatures in the future...

Plant Growth Database (19 March 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Crested Wheatgrass (McGranahan and Yurkonis, 2018). To access the entire database, click here.

Minimal Effects of Ocean Acidification on a Marine Barnacle (18 March 2019)
Even at reduced seawater pH levels of 7.5, Amphibalanus amphitrite is resistant to ocean acidification, exhibiting no change in mortality, tissue mass, egg production, adhesion strength, adhesive plaque gross morphology, which shell mass and base plate area were enhanced...

A Holocene Summer Temperature Proxy for Central Quebec (15 March 2019)
Over the past 8,000 years summer temperatures have fluctuated above and below the present mean, revealing the well-known climate anomalies of the Holocene Thermal Maximum, the Medieval Warm Period and the Little Ice Age...

Plant Growth Database (15 March 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for European Aspen (Randriamanana et al., 2018). To access the entire database, click here.

Declining Drought in the USA Over the Past Half-century (14 March 2019)
Climate model projections of more frequent and more severe drought events are not holding true for the conterminous United States, where data reveal a decline in these two parameters over the course of the past half-century...

Combined Impacts of Ocean Acidification and Warming on Yellowfin Bream (13 March 2019)
This important marine fish species is unaffected by ocean acidification, yet its growth is enhanced by elevated temperature...

Plant Growth Database (12 March 2019)
Our latest result of plant growth responses to atmospheric CO2 enrichment obtained from experiments described in the peer-reviewed scientific literature is for Lemon Tree (Paudel et al., 2018). To access the entire database, click here.

Four Decades of Species Range Change of Sinai's High-Mountain Flora (11 March 2019)
Instead of predicted range contractions and species extinctions, none of the species examined went extinct and the majority expanded their ranges in response to increasing temperatures in this region over the past four decades...

Cycad Growth Enhanced Under Elevated CO2 (8 March 2019)
In the words of the authors of this paper, "the growth and physiological performance of cycads have been severely compromised by declining [CO2] during the Cenozoic Era, possibly contributing to the current rare and endangered status of this functional type." Thankfully for cycads, atmospheric CO2 is on the rise once again...

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