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Seaweed occupies various ecological niches. At the surface, they are only wetted by the tops of sea spray, while some species may attach to a substrate several meters deep. In some areas, littoral seaweed colonies can extend miles out to sea. [citation needed] The deepest living seaweed are some species of red algae.
Scientists working in the Antarctic region have discovered a type of seaweed living at depths some 100 metres below the surface. Researchers hailed the discovery of red alga Palmaria decipiens ...
Laminaria hyperborea is a massive, leathery seaweed, up to 360 cm long. [3] The holdfast is large and cone-shaped, with branched rhizoids, looking rather like a bird's foot. The stipe is circular in cross section, rough, thick at the base and tapering upwards. Older stipes are often covered with epiphytic red algae. The laminate blade is deeply ...
The oceanic zone is the deep open ocean beyond the continental shelf, which contrasts with the inshore waters near the coast, such as in estuaries or on the continental shelf. Waters in the oceanic zone plunge to the depths of the abyssopelagic and further to the hadopelagic. Coastal waters are generally the relatively shallow epipelagic.
The seaweed can choke corals, wreak havoc on coastal ecosystems and diminish air quality. A giant seaweed bloom that can be seen from space threatens beaches in Florida and Mexico Skip to main content
A raft of brown-colored seaweed in the Atlantic Ocean is so vast it can be seen from space. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ...
Ascophyllum nodosum is a large, common cold water seaweed or brown alga (Phaeophyceae) in the family Fucaceae.Its common names include knotted wrack, egg wrack, feamainn bhuí, rockweed, knotted kelp and Norwegian kelp.
A raft of brown-colored seaweed in the Atlantic Ocean is so vast it can be seen from space. A giant seaweed bloom that can be seen from space threatens beaches in Florida and Mexico Skip to main ...