Macrocystis


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Related to Macrocystis: macrocytosis, Nereocystis

Mac`ro`cys´tis


n.1.(Bot.) An immensely long blackish seaweed of the Pacific (Macrocystis pyrifera), having numerous almond-shaped air vessels.
References in periodicals archive ?
The density of female gametophytes was generally lowest in August and September, the time of year when spore production in Macrocystis is at a minimum (Reed et al.
The ecological importance of Macrocystis pyrifera (Phaeophyta) forests towards a sustainable management and exploitation of Chilean coastal benthic co-management areas.
The habitat at this site abruptly shifts from Macrocystis pyrifera (giant kelp) dominated (deeper) to understory algae dominated rocky reef (shallow) within this depth range.
2002) inhibited the capacity for an oxidative burst in Laminaria digitata and Macrocystis pyrifera by adding diphenylene iodonium to the medium, which rendered these kelps unable to defend themselves against decomposition by the same bacterial flora that under normal conditions caused no damage to them.
One such oddity is the giant kelp Macrocystis pyrifera, a perennial temperate marine brown alga that lives in a seasonal environment and produces spores throughout the year (Neushul 1963, Anderson and North 1967).
New Zealand Southern Pacific Seaweed Company founder, Daneen Morgan says the superfood capsules contain nothing but pure macrocystis pyrifera kelp, hand-harvested from the waters off Kaka Point in The Catlins area of Southland.
Macrocystis pyrifera grew very sparsely on the shallower Cable B habitat, was more common on the shallower part of Cable A, and was essentially absent from the deeper cables (Fig.
10] recorded that the nuclear migration of Macrocystis pyrifera declines with exposure to 20 [micro]g [l.
Macroalgal morphologies range from tiny simple filaments and crustose forms which creep along the seafloor and grow less than a millimeter a year to massive, towering species like the kelp Macrocystis which can grow half a meter a day and attain frond lengths of over 30 meters (Lobban & Harrison, 1997).
The alginate is commercially obtained from farmed brown seaweeds such as Laminaria hyperborea, Laminaria digitata, Macrocystis pyrifera and Ascophyllum nodosum (Auhim and Hassan, 2013).