Five Thalassia communities with high blade density (>3,000 blades/m2) were sampled by suction dredge in April 1973. Four sites were in south Biscayne Bay, and one was at Murray Key in the Everglades National Park on the southwest coast of Florida. Macrofaunal abundance
ranged from 292 to 10,728 individuals/m2. It is postulated that a high standing crop of seagrass may not be the primary determining factor in faunal abundance.
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