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Periphyton as a UV-B filter on seagrass leaves: a result of different transmittance in the UV-B and PAR ranges
Brandt, L.A.; Koch, E.W. (2003). Periphyton as a UV-B filter on seagrass leaves: a result of different transmittance in the UV-B and PAR ranges. Aquat. Bot. 76(4): 317-327. dx.doi.org/10.1016/s0304-3770(03)00067-6
In: Aquatic Botany. Elsevier Science: Tokyo; Oxford; New York; London; Amsterdam. ISSN 0304-3770, more
Peer reviewed article  

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Keywords
    Epiphytes; Periphyton; Photosynthesis; Protection; Sea grass; Ultraviolet radiation; Ruppia Linnaeus, 1753 [WoRMS]; Zostera Linnaeus, 1753 [WoRMS]; ANW, USA, Chesapeake Bay [Marine Regions]; Marine

Authors  Top 
  • Brandt, L.A.
  • Koch, E.W., correspondent

Abstract
    Periphyton is considered detrimental to seagrasses as it reduces the amount of light, i.e. photosynthetically available radiation (PAR), that reaches the plant surface. This study evaluated the possibility that periphyton can also be beneficial to seagrasses by reducing ultraviolet (UV)-B radiation that reaches seagrass leaves. Periphyton on UV-B transparent artificial leaves transmitted a significantly lower amount of radiation in the UV-B than in the PAR range. Therefore, periphyton is an effective UV-B filter on seagrass leaves.

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