Navigation Links
Surface-level ozone pollution set to reduce tree growth 10 percent by 2100
Date:12/9/2008

Modern day concentrations of ground level ozone pollution are decreasing the growth of trees in the northern and temperate mid-latitudes, as shown in a paper publishing today in Global Change Biology. Tree growth, measured in biomass, is already 7% less than the late 1800s, and this is set to increase to a 17% reduction by the end of the century.

Ozone pollution is four times greater now than prior to the Industrial Revolution in the mid-1700s; if modern dependence on fossil fuels continues at the current pace, future ozone concentrations will be at least double current levels by the end of this century with the capacity to further decrease the growth of trees.

The study is the first statistical summary of individual experimental measurements of how ozone will damage the productivity of trees, including data from 263 peer-reviewed scientific publications.

Ozone is the third strongest greenhouse gas, directly contributing to global warming, and is the air pollutant considered to be the most damaging to plants. But more importantly, it has the potential to leave more carbon dioxide, ranked as the first strongest greenhouse gas, in the atmosphere by decreasing carbon assimilation in trees. Ozone pollution occurs when nitrogen oxides have a photochemical reaction with volatile organic compounds.

"This research quantifies the mean response of trees to ozone pollution measured in terms of total tree biomass, and all component parts such as leaf, root and shoot, lost due to ozone pollution," said Dr. Victoria Wittig, lead author of the study. "Looking at how ozone pollution affects trees is important because of the indirect impact on carbon dioxide concentrations in the atmosphere which will further enhance global warming, in addition to ozone's already potent direct impact."

In addition to ozone pollution reducing the strength of trees to hold carbon in the northern temperate mid-latitudes by reducing tree growth, the research also indicates that broad-leaf trees, such as poplars, are more sensitive to ozone pollution than conifers, such as pines, and that root growth is suppressed more than aboveground growth.

"Beyond the consequences for global warming, the study also infers that in mixed forests conifers will be favored over broad-leaved trees, and that the decrease in root size will increase the vulnerability to storms," said Wittig.


'/>"/>

Contact: Jennifer Beal
wbnewseurope@wiley.com
44-078-024-68863
Wiley-Blackwell
Source:Eurekalert

Related biology news :

1. Wildfires cause ozone pollution to violate health standards, new study shows
2. Alternatives to ozone-depleting pesticide studied
3. Ozone hole recovery may reshape southern hemisphere climate change
4. Regional nuclear conflict would create near-global ozone hole, says CU-Boulder study
5. Gene that controls ozone resistance of plants could lead to drought-resistant crops
6. Ozone can affect heavier people more
7. Ozone intrusions -- humankinds fault?
8. MIT: Human-generated ozone will damage crops
9. 2007 ozone hole smaller than usual
10. NASA keeps eye on ozone layer amid Montreal Protocols success
11. Skin oil -- ozone interactions worsen air quality in airplanes
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:12/15/2016)...  There is much more to innovative access systems ... Continental will demonstrate the intelligence of today,s solutions at ... Through the combination of the keyless entry and start ... the international technology company is opening up new possibilities ... "The integration of biometric elements brings our expertise ...
(Date:12/12/2016)...  Researchers at Trinity College, Dublin, are opening ... the material with Silly Putty. The mixture (known as ... to sense pulse, blood pressure, respiration, and even ... The research team,s findings were published Thursday ... http://science.sciencemag.org/content/354/6317/1257 ...
(Date:12/8/2016)... Dec. 8, 2016  Singulex, Inc., the leader in ... entered into a license and supply agreement with Thermo ... agreement provides Singulex access to Thermo Scientific BRAHMS PCT ... is used to diagnose systemic bacterial infection and ... to aid in assessing the risk of critically ...
Breaking Biology News(10 mins):
(Date:1/24/2017)... As Outsourcing of Cell Line Development Services Drives the ... by Expanding their Service Portfolio and Collaborating with Biopharmaceutical ... cell banking market addresses market sizing, emerging trends, and ... in the market. The base year considered is 2015 ... The cell banking market is expected to grow ...
(Date:1/24/2017)... ORANGE COUNTY, Calif. , Jan. 24, 2017 ... respiratory testing solutions, announced today that in ... providing advanced respiratory assessment to the Roche FIREFISH ... muscular atrophy (SMA) develop respiratory insufficiency due to ... alpha motor neurons in the spinal cord. This ...
(Date:1/24/2017)... Reha Technology USA Inc. has ... . The need for Robotic technology in the rehab space ... in the surgical space. Project Walk – Boston ... and adding technology to their continuum of care. They now have ... repetitions which has been shown to improve gait with patients. The ...
(Date:1/24/2017)... Relmada Therapeutics, Inc. (OTCQB: RLMD), a clinical-stage ... nervous system (CNS) diseases, is pleased to announce that ... with the U.S. Food and Drug Administration (FDA), a ... LevoCap ER (REL-1015, levorphanol extended release, abuse deterrent capsules) ... filing is achievable.   "The FDA,s input ...
Breaking Biology Technology: