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[6] [7] Specimens of D. antarctica have been found to float for up to 210 days, during which time high wind speeds transport kelp rafts up to 10,000 km. [6] [7] Environmental factors such as temperature, solar radiation and surface winds (all of which vary with latitude) affect buoyancy of southern bull kelp rafts and their rate of travel. [6]
Macrocystis is a monospecific genus; the sole species is M. pyrifera.Some individuals are so huge that the thallus may grow to up to 60 m (200 ft). [6] The stipes arise from a holdfast and branch three or four times from near the base.
Nereocystis (Greek, 'mermaid's bladder') is a monotypic genus of subtidal kelp containing the species Nereocystis luetkeana. [1] Some English names include edible kelp, bull kelp, bullwhip kelp, ribbon kelp, bladder wrack, and variations of these names. [2]
California's coast has bull and giant kelp, the world's largest marine algae. Urchins have hurt both species, though giant kelp forests have fared better.
Bull kelp is a common name for the brown alga Nereocystis luetkeana which is a true kelp in the family Laminariaceae. Species in the genus Durvillaea are also sometimes called "bull kelp", but this is just a shortening of the common name southern bull kelp .
Swimming snakes, spiders, bears, 1,000 pound alligators and even the most venomous snake in the country make the list. Watch where you step! These are 7 of the most dangerous critters in South ...
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 ...
Durvillaea antarctica, also known as cochayuyo and rimurapa, [1] is a large, robust species of southern bull kelp found on the coasts of Chile, southern New Zealand, and Macquarie Island.