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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 .
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]
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 ...
Bull kelp, an annual seaweed, starts as a microscopic spore that grows up to two feet (.6 meters) per day until it reaches up to 98 feet (30 meters) before dying off in the cooler months. It ...
[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]
Pterygophora californica grows in underwater kelp forests with other brown algae including the annual bull kelp (Nereocystis luetkeana) and the perennial giant kelp (Macrocystis pyrifera). It is a dominant understory kelp species in these kelp forests, and creates a sub-surface canopy.
The team of divers was training in the giant kelp forests of eastern Santa Cruz Island in California’s Channel Islands National Park. Curious sea creature follows diver in kelp forest — and ...
The largest marine algae are kelp species, which include bull kelp (Durvillaea antarctica), which can reach over 20 metres (66 ft) long and is thought to be the strongest kelp in the world. As many as 47 individual plants can live on 1 square metre (10.8 sq ft), and they can grow at 60 centimetres (24 in) a day.