Air pollution injury on Pinus Strobus in Acadia National Park - 1985 survey results. Final report
Technical Report
·
OSTI ID:6503676
Visible symptoms of ozone injury were observed on 90% of the Eastern white pine trees (Pinus strobus) sampled in 1985 from permanent pine plots at Acadia National Park. Average injury was low and affected about 4% of the needle surface. Only 10% of the trees sampled had more than 10% injury. Chlorotic mottle was the most common symptom encountered, followed by fleck injury and tipburn. Total ozone injuries were significantly higher than those observed in a similar sample from Great Smoky Mountains National Park; however, the trees at Acadia had notably lower injuries from other biotic and abiotic causes.
- Research Organization:
- Butler Univ., Indianapolis, IN (USA). Holcomb Research Inst.
- OSTI ID:
- 6503676
- Report Number(s):
- PB-87-172136/XAB; HRI-96
- Country of Publication:
- United States
- Language:
- English
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