50001 | July 11th 11:00 am | Union C/Hyatt | The spectral reflectance indices compared for blue, green, orange, red, and white light diminution on Atlantic temperate Zostera marina, a seagrass Log in to add this item to your schedule | Oral Paper | Thorhaug, Anitra; Berlyn, Graeme; Poulos, Helen. | Zostera marina blue light red light green light orange light spectral reflectance photosynthetic efficiency (PRI) CHL NDVI ( Chlorophyll normalized Vegetation INdex partial absorption xanthophylls carotenoids xanthins violaxantin zeaxanthin antherocyanin photon species reflectance signature |