brown algae

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brown algae

A diver observes brown algae growing on a rocky ocean floor.

Definition

Noun 1. A type of algae characterized by having chlorophyll masked by brown and yellow pigments: Brown algae are primarily marine, multicellular organisms belonging to the class Phaeophyceae. Their distinctive brown color comes from the pigment fucoxanthin, which overshadows the green chlorophyll.

Usage
  • Brown algae are a common sight in cool coastal waters.
  • Kelp, a type of brown algae, forms extensive underwater forests.
  • The study focused on the life cycle of various brown algae.
Advanced Usage
  • Ecological Role: Brown algae, such as kelps, are foundational species that create vital habitats and food webs in marine ecosystems.
  • Commercial Use: Some brown algae are harvested for alginates, which are used as thickeners and stabilizers in food and industrial products.
Variants and Related Words
  • Phaeophyceae (n): The scientific class name for brown algae.
  • Kelp (n): A large, fast-growing type of brown algae.
  • Fucoxanthin (n): The primary brown pigment found in these algae.
  • Algin (n): A derivative extracted from brown algae, used to produce alginates.
Synonyms
  • Seaweed (Note: This is a broader, common term that can include green and red algae, but often refers to brown algae in context.)
  • Kelp (for specific, large types)
Related Phrases
  • Brown algal bloom: A rapid increase in the population of brown algae in an aquatic system.
  • Brown algae extract: Refers to products derived from processing these algae, often for alginate or nutritional supplements.
brown algae

A diver observes brown algae growing on a rocky ocean floor.

Noun
  1. algae having the chlorophyll masked by brown and yellow pigments