. An ecological characterization of Coastal Maine (north and east of Cape Elizabeth). Coastal ecology -- Maine. Zonation of the biota is easily observed on exposed rocky shores. The shore appears as a series of dark red, brown, white, and black, or gray bands (figure 4-27). The red is caused by the red alga, Irish moss, while the brown is the result of dominance by one of several brown algae from the genera Ascophyllum or Fucus. The white band is made up of a pavement of the barnacle B. balanoides. The next higher band, often called the black zone, is caused by a film of blue-green algae on th
. An ecological characterization of Coastal Maine (north and east of Cape Elizabeth). Coastal ecology -- Maine. Zonation of the biota is easily observed on exposed rocky shores. The shore appears as a series of dark red, brown, white, and black, or gray bands (figure 4-27). The red is caused by the red alga, Irish moss, while the brown is the result of dominance by one of several brown algae from the genera Ascophyllum or Fucus. The white band is made up of a pavement of the barnacle B. balanoides. The next higher band, often called the black zone, is caused by a film of blue-green algae on the rocks. Fauna of specific zones at 13 sites on Maine's exposed bedrock shores (Doggett et al. 1978; and Larsen and Doggett, in press) are listed in table 4-11. HIGH INTERTIDAL OR BLACK ZONE ^' ^ "^fc"*^ periwinkles, blue-green algae BARNACLE ZONE rock barnacles, blue mussels. ROCKWEEDZONE rockweeds Figure 4-27. Schematic representation of the intertidal zonation patterns on exposed rocky shores in coastal Maine. 4-82. 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 U. S. Fish and Wildlife Service; Fefer, Stewart I; Schettig, Patricia A. Newton Corner, Mass. : Department of the Interior, U. S. Fish and Wildlife Service, Northeast Region
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