… Nutrient over-enrichment of shallow estuaries and lagoons can lead to the proliferation of
bloom-forming ephemeral macroalgae. Extensive and persistent macroalgal blooms intercept
light and can eventually displace seagrasses as the dominant benthic autotrophic in eutrophic
coastal waters. Shown here is the eelgrass (Zostera marina) and the ephemeral macroalga
Chaetomorpha linum in Kertinge Nor, Denmark. (Photo courtesy of Michael Bo Rasmussen.) …