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Light response is a unique plant trait that is caused by a species level adaptation to a particular light environment and leaf morphology. By ignoring individuals and focusing on communities as a whole, I was better able to understand how irradiance levels shape plant life. I measured some key characteristics of light responses: dark respiration, maximum rate of photosynthesis, and light compensation point as functions of light environment, reduced light environment, and leaf traits. The leaf area of the dominant species has a strong relationship to light compensation point and the maximum rate of photosynthesis of the community. Leaf mass per area had a negative correlation to dark respiration rates. The association between the leaf traits and light response characteristics demonstrated how communities respond to differences in irradiance levels.
Knowledge graph centered on Plant community light efficiency: measuring light with 15 nodes and 54 connections. Top connected: phenotypic plasticity, Arabidopsis, specific leaf area, Pinus contorta, herbaceous species.
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