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Where the bottom is rocky and affords places for it to anchor, giant kelp forms extensive kelp beds with large "floating canopies". [8] When present in large numbers, giant kelp forms kelp forests that are home to many marine species that depend upon the kelp directly for food and shelter, or indirectly as a hunting ground for prey. Both the ...
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 ...
The most widely recognized species are the giant kelps (Macrocystis spp.), although numerous other genera such as Laminaria, Ecklonia, Lessonia, Nereocystis, Alaria, and Eisenia are described. A wide range of sea life uses kelp forests for protection or food, including fish.
Seaweed farming or kelp farming is the practice of cultivating and harvesting seaweed. In its simplest form farmers gather from natural beds, while at the other extreme farmers fully control the crop's life cycle.
Its habitat includes kelp beds and rocky seabeds. [1] It commonly associates with several other species of rockfish in this habitat, but it is more closely associated with the kelp than the others. [5] During the day it often rests on the kelp blades, sometimes upside down. [4] The main kelp species is Macrocystis pyrifera, the giant kelp
Paralabrax clathratus, the kelp bass, bull bass or calico bass, is a species of marine ray-finned fish, from the subfamily Serraninae, classified as part of the family Serranidae which includes the groupers and anthias. It is found in the eastern North Pacific Ocean where it is an important species for both recreational and commercial fisheries.
Lessonia is a genus of large kelp native to the southern Pacific Ocean. It is the only kelp to be restricted to the southern hemisphere and is primarily distributed along the coasts of South America, New Zealand, Tasmania, and the Antarctic islands. [1] [2] Lessonia is one of two principal genera in kelp forests (the other is Macrocystis).
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]