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11 November 2019
Advancing spring warmth could disrupt species migration, development
In a new study in the AGU journal Geophysical Research Letters, scientists found that in many areas of the U.S. springtime temperature thresholds important for plant and animal life cycles occur between six to 20 days earlier in the season than they did 70 years ago.
1 October 2018
High CO2 levels thicken plant leaves, which could worsen climate change effects
Plant scientists have observed that when levels of carbon dioxide in the atmosphere rise, most plants do something unusual: They thicken their leaves. And since human activity is raising atmospheric carbon dioxide levels, thick-leafed plants appear to be in our future.
17 May 2018
Explaining the history of Australia’s vegetation
New research explores how plants using the more complex C4 photosynthetic pathway to create sugar from sunlight expanded to dominate the Australian continent, and how climate change is likely to affect these critically important native plants.
6 February 2017
Greener cities could help urban plants endure summer heat
Urban plants offer city dwellers many benefits, such as improved health and decreased crime and pollution. And now we have even more reason to green our cities. A new study from the Water Sustainability and Climate project at the University of Wisconsin-Madison indicates that adding more greenery to the urban landscape could help urban vegetation cope better with the summer heat and a warming climate. In other words, the more plants in a city, the merrier they all are.
12 December 2013
Rooting out carbon’s effect on plant growth
In 1988, scientists at the Tennessee Oak Ridge National Environmental Research Park planted a scattering of Sweetgum seedlings to fill a space equivalent to a running track. Nearly 10 years later, after the trees had matured, construction crews plopped four rings of 40-foot PVC pipes into the floor of the new deciduous forest. In 1998, two sets of pipes switched on and began blowing carbon dioxide into the trees’ air supply, non-stop for 12 years.