"The other thing I have learned (as a chemist, not a biologist) is that similar symptoms on plants can arise from different causes, partly because plant responses to stress at the biochemical level can be similar, whether the stress is drought or air pollution. However, there are some responses that are visible and characteristic – e.g. stippling of leaves by ozone. That can be misleading – some plants may show stippling, and may shed their leaves early, and yet this may have little or no effect on plant growth. In other cases, plant growth may be hindered by air pollutants, but with no visible injuries.
In the UK, the pattern of ozone exposure is of a significant decrease in the peak concentrations in hot dry summers, but an inexorable increase in year-round ‘background’ concentrations, caused by the generally increasing concentrations of ozone precursors in the northern hemisphere. The decrease in peak concentrations appears to be in direct response to controls on VOC and NOx emissions in Europe."
Pages
- BASIC PREMISE + Research Links about Dying Trees
- Five Radio Interviews, Video of Fall Foliage + Contact Information
- More Links to Recent Research
- Visit the Apocalypsi Library at the End of the World
- Pillage, Plunder & Pollute, LLC - free download AND watch the movie - The Silent War on Trees
- Whispers From the Ghosting Trees - Guest Post at Greg Laden's Science Blog
Monday, March 22, 2010
Hit the Road, Jack!
This article from the Guardian reports that a blue-ribbon panel claims ozone causes 50,000 premature deaths per year in the UK. Vegetation is even more sensitive to ozone exposure than humans - and as the following excerpt from letter from one of the world's experts says unequivocally, background ozone is inexorably increasing:
Subscribe to:
Post Comments (Atom)
Blog Archive
-
▼
2010
(383)
-
▼
March
(43)
- A Beautiful Day in the Neighborhood!
- Rain Rain Rain
- Stripping
- That Was Then and This Is Now
- Lost Species
- To Be Filed Under: Nobody Has A Clue
- This is what warmer + drier looks like
- Say Whaaa???
- An American Dad's Tour de Force!
- Pass the Popcorn!
- La Sylphide
- Hit the Road, Jack!
- Spring Delayed
- JCP&L the sequel
- I'm Melting, Melting!
- Rings of Fire
- The World's Oldest Trees
- Relax and Enjoy It
- Irrational Exhuberance
- JCP&L goes Postal
- Disoriented, and Bitter
- F. Scott Fitzgerald would NOT Approve
- The Anti-Arboreal Association
- George Carlin - Who Really Controls America
- Collapse
- Weekend Exploring
- 60 million pounds
- Message In a Bottle
- Wasn't I Just Saying...
- A Song from Catman306, and his comment
- Aghast!
- BALD
- Snowdrop!
- Splendid!
- Methane
- The Best Kept Secret in Plain View
- Too Negative!
- Coffee Party Troll
- Heh. Heh.
- Handy Chart from ClimateProgress.org
- New Republic Notices CO2 + H2O = Carbonic Acid
- Greenman Hits it Out of the Park!
- Comments at the Coffee Party, and Pictures of Xynt...
-
▼
March
(43)
My Blog List
-
-
-
-
-
-
-
Never believe the Official Story8 years ago
-
-
-
-
-
Anniversary4 weeks ago
-
Apex Predator Irony1 year ago
-
Top Episodes5 years ago
-
-
-
-
-
Here’s Your Proof8 years ago
-
Signs Posted In August 20242 months ago
-
Stunning recovery of Arctic Sea Ice12 years ago
-
-
-
-
-
-
Moderate PM 2.5 along West Coast5 years ago
-
-
-
No comments:
Post a Comment