such as "Introduction", "Conclusion"..etc
Received April 10, 1950
The productivity of aquatic communities has been the subject of numerous researches and theoretical analyses in recent years. Direct measurements of photosynthetic activity per volumetric unit of phytoplankton, however, are conspicuously scarce in the literature. Students of aquatic photosynthesis have usually expressed their results as "yield per 106 cells" or "yield per liter of natural water." In the present report measurements of photosynthetic rates per unit of phytoplankton volume are presented, and their bearing on aquatic production is discussed.
Plant Physiology 26 (1): 45. (1951).
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