Browsing by Subject "photosynthetic photon flux density (PPFD)"
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Item Understory light environment measured in 2017 and 2018 at Bagley Nature Area in Duluth, MN(2020-05-26) O'Connell, Erin M; Savage, Jessica A; oconn877@d.umn.edu; O'Connell, Erin M; Savage research teamThese data were collected for a project comparing the leaf phenology, carbon gain, growth, and freezing susceptibility of invasive and native species. Understory light availability was measured above 80 understory wood shrubs using hemispherical photos, lux sensors, and photosynthetically active radiation (PAR) sensors. Light data was used to compare overstory and understory leaf phenology, and to quantify light available for carbon gain in the understory.