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Daytime Variations in Phytoplankton Photosynthesis
Author(s) -
VERDUIN JACOB
Publication year - 1957
Publication title -
limnology and oceanography
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.7
H-Index - 197
eISSN - 1939-5590
pISSN - 0024-3590
DOI - 10.1002/lno.1957.2.4.0333
Subject(s) - daylight , phytoplankton , photosynthesis , daytime , zoology , environmental science , liter , biology , ecology , botany , atmospheric sciences , nutrient , geology , endocrinology , physics , optics
A study of CO 2 ‐removal during July and August, 1954, under natural conditions in western Lake Erie demonstrated a maximal rate during the hours of 0700–1000 (10 µ moles CO2 absorbed per liter of water per hour), a reduced rate during the hours 1000–1600 (6 µ mol/L/hr), a slightly negative rate during the daylight hours 1600–1900 (−1 µ mol/L/hr), and nighttime negative rates similar to the day‐time positive rates (−6 µ mol/L/hr).