Abstract
The existing literature pertaining to the relative susceptibility of herbaceous and woody vegetation to photochemical oxidant, reveals that herbaceous plants are more susceptible to oxidant damage than woody plants. Hybrid poplar (clone number388) has been reported to be very susceptible to ozone, yet in a three year study in New Jersey, using open-top chambers, ambient oxidant had little effect on the growth of these trees. This information has forced us to explore the possible mechanisms that would lead to the greater susceptibility of herbaceous vegetation. Our analysis has led us to conclude that differential growth rates, growth strategies, successional standing and the ability to react to fluctuating environmental factors may be important in determining the relative susceptibility of various plant species. Slower growing vegetation, which often typifies late successional communities, are less susceptible to oxidant damage than fast growing species, which are often early successional species.
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Claims 4
Claim · model-written summary
Herbaceous plants are more susceptible to oxidant damage than woody plants in the literature.
Verbatim
e0“herbaceous plants are more susceptible to oxidant damage than woody plants”
Claim · model-written summary
Ambient oxidant had little effect on growth of hybrid poplar clone 388 in a three-year New Jersey study.
- Material
- clone number388e0
- Treatment
- ambient oxidante0
- Outcome
- growth of these treese0
- Direction
- little effecte0
- Setting
- New Jerseye0
PopulusNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Hybrid poplar (clone number388) has been reported to be very susceptible to ozone, yet in a three year study in New Jersey, using open-top chambers, ambient oxidant had little effect on the growth of these trees”
Claim · model-written summary
Differential growth rates, strategies, succession and environmental responsiveness may determine susceptibility.
Verbatim
e0“differential growth rates, growth strategies, successional standing and the ability to react to fluctuating environmental factors may be important in determining the relative susceptibility of various plant species”
Claim · model-written summary
Slower-growing late-successional vegetation is less susceptible to oxidant damage than fast-growing early-successional species.
Verbatim
e0“Slower growing vegetation, which often typifies late successional communities, are less susceptible to oxidant damage than fast growing species, which are often early successional species”