Claim · model-written summary
Salal cover and above salal PPFD and red:far red ratio declined with greater tree cover.
- Taxon
- salal
Gaultheria shallone0 - Outcome
- salal covere0
- Direction
- decreasee0
- Comparator
- percent tree covere0
Not reportedSetting
Verbatim
e0“there was a decrease in both the salal cover and in the global PPFD and red:far-red ratio measured directly above salal as the percent tree cover increased”
Title
Christian Messier; Terry W. Honer; James P. Kimmins Canadian Journal of Forest Research 1989. doi:10.1139/x89-223
Other claims from this paper (9)
- Association Salal leaf thickness and specific leaf weight declined as light and red:far red ratio declined.
- Association Salal leaf area increased as light and red:far red ratio decreased.
- Observation Estimated minimum light for salal survival under overcast sky was 3.9 to 11.1 μmol per square meter per second.
- Observation Estimated minimum light for salal survival under clear sky was 4.5 to 27.2 μmol per square meter per second.
- Observation Beneath salal, global PPFD and red:far red ratio varied little among three stands.
- Observation Forest floor PPFD ranged from 0.15 to 0.35% of clearing values under clear sky.
- Observation Forest floor PPFD ranged from 0.58 to 0.75% of clearing values under overcast sky.
- Observation Forest floor red:far red ratio ranged from 0.13 to 0.25 under clear skies.
- Observation Forest floor red:far red ratio ranged from 0.40 to 0.58 under overcast skies.