. Elements of ecology. Ecology. Fig. Variation in length of day at the indicated latitudes during the indicated months. Arrowheads indicate periods of decreasing daylength. The heavy line shows the course of zenith sun (Baker, 1938.). Fig. Total solar radiation (g-cal/day/cnr of horizontal surface) on June 21 with cloudless sky. (Modified from Kimball, 1928.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Clarke
. Elements of ecology. Ecology. Fig. Variation in length of day at the indicated latitudes during the indicated months. Arrowheads indicate periods of decreasing daylength. The heavy line shows the course of zenith sun (Baker, 1938.). Fig. Total solar radiation (g-cal/day/cnr of horizontal surface) on June 21 with cloudless sky. (Modified from Kimball, 1928.). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Clarke, George L. (George Leonard), 1905-. New York, Wiley
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Keywords: ., bookcentury1900, bookpublishernewyorkwiley, booksubjectecology
