. Bio-ecology. Plant ecology; Animal ecology; Botany; Ecology; Zoology. Fig. 81.—The Brissopsis-Amphiura ecotone. (After Petersen, 1918.). Fig. 82.—The Amphilepis-Pecten biome. (After Petersen, 1918.). 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 Clements, Frederic E. (Frederic Edward), 1874-1945; Shelford, Victor E. (Victor Ernest), b. 1877. New York, J. Wiley & Sons, inc. ; London, Chapman & Hall, limited

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Keywords: ., bookcentury1900, booksubje, booksubjectbotany, booksubjectzoology