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Marine Harmful Algal Bloom - Brown Tide

a shoreline with brown algae on the surface of the water.

Diatoms and dinoflagellates are types of phytoplankton that commonly cause HABs in marine and brackish environments. These organisms can discolor the water with a red or brown pigment, but also be invisible. This example shows a "brown tide."

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NPS

Public domain:Full Granting Rights

Image

NPS-wide, Code: NPS

NPS.gov Collection

10/05/2005

10/05/2005

Public Can View

Tuesday, June 13, 2023 5:00:21 PM

Tuesday, June 13, 2023 5:24:49 PM

PAIS_RedSurf.JPG

OLYMPUS CORPORATION OLYMPUS CORPORATION, C-5000Z

1/320 sec at f / 5.6

7.8 mm

ISO 50

Wednesday, October 5, 2005 11:05:24 AM

jpg

1.1 MB

Scenic