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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 ]
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.
Species such as Nereocystis luetkeana and Pelagophycus porra bear a single large pneumatocyst between the top of the stipe and the base of the blades. In contrast, the giant kelp Macrocystis pyrifera bears many blades along its stipe, with a pneumatocyst at the base of each blade where it attaches to the main stipe.
Most algae are found at the mouth of the bay, and notably there is a shift in species from marine to brackish water plants here. [31] Kelp beds, specifically those of bull kelp (Nereocystis leutkeana), are found in the bay as well. [31]
Some species, such as Nereocystis, are annuals, while others such as Eisenia are perennials, living for more than 20 years. [19] In perennial kelp forests, maximum growth rates occur during upwelling months (typically spring and summer) and die-backs correspond to reduced nutrient availability, shorter photoperiods, and increased storm ...
Found throughout tropical Asia and the Pacific. This individual apparently in India. 4,900 feet (1.5 km) estimate. [1] [better source needed] This species can also be up to three feet (0.91 meters) thick and is therefore also one of the most massive of vines, and for that matter of all plants. [citation needed]
Bull kelp, Nereocystis luetkeana, a northwestern American species. Used by coastal indigenous peoples to create fishing nets. Giant kelp, Macrocystis pyrifera, the largest seaweed. Found in the Pacific coast of North America and South America.
The family includes the largest known seaweeds: Nereocystis and Macrocystis. [2] [3] Laminariaceae genera [1] [4] Genus Authority Species Arthrothamnus: Ruprecht: 2 ...