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Macrocystis is a monospecific genus [3] of kelp (large brown algae) with all species now synonymous with Macrocystis pyrifera. It is commonly known as giant kelp or bladder kelp. This genus contains the largest of all the Phaeophyceae or brown algae. Macrocystis has pneumatocysts at the base of its blades.
Just one example is the giant bull kelp Nereocystis luetkeana, which have evolved to change blade shape in order to increase drag in water and interception of light when exposed to certain environments. Bull kelp are not unique in this adaptation; many kelp species have evolved a genetic plasticity for blade shapes for different water flow ...
Laminariaceae is a family of brown algal seaweeds, many genera of which are popularly called "kelp". The table indicates the genera within this family. [1] The family includes the largest known seaweeds: Nereocystis and Macrocystis. [2] [3]
An alternative offset would be to cultivate kelp forests. Kelp can grow at 2 feet per day, 30 times faster than terrestrial plants. Planting kelp across 10% of the oceans (4.5 x the area of Australia) could provide the same offset. Additionally, the kelp would support a fish harvest of 2 megatons per year and reduce ocean acidification. Large ...
Genus Algae Phylum Remarks Caulerpa: Green: Submerged. Fucus: Brown: In intertidal zones on rocky shores. Gracilaria: Red: Cultivated for food. Laminaria: Brown: Also known as kelp 8–30 m under water and cultivated for food. Macrocystis: Brown: Giant kelp forming floating canopies. Monostroma: Green: Porphyra: Red: Intertidal zones in ...
Rockfish swimming around giant kelp A diver in a kelp forest off the coast of California A kelp forest off of the coast of Anacapa Island, California Giant kelp uses gas-filled floats to keep the thallus suspended, allowing the kelp blades near the ocean surface to capture light for photosynthesis.
The Giant Kelpfish is a species of clinid, native to the west coast of North America. It is found most commonly in the warmer waters of Point Conception, California, to southern Baja California. It inhabits rocky areas with dense canopies of microalga, giant kelp and other large seaweeds. It is also known that they may use Eelgrass or Surfgrass ...
The largest stramenopiles are giant kelp from the northwestern Pacific. The floating stem of Macrocystis pyrifera can grow to a height of over 45 m (148 ft). [40] [41] Macrocystis also qualifies as the largest brown alga, the largest chromist, and the largest protist generally.