Macrocystis pyrifera, known as giant kelp, most widely distributed Macrocystis species, [40] found in intermediate-to-deep water [16] of North America (Alaska to California), South America, South Africa, New Zealand, and southern Australia.

2015年8月7日 · Giant kelp is the worlds largest species of marine algae. In the United States, it can be found along the west coast, especially around southern California where it grows in dense patches, or kelp forests .

Giant kelp is a favorite for sea urchins, which if left unchecked can overgraze and destroy kelp forests. Learn more about giant kelp.

This majestic giant grows incredibly fast — anywhere from three to five inches (7–13 cm) each day in our exhibit, and 10 to 12 inches (25–30.5 cm) in the bay. Under ideal conditions, giant kelp can grow two feet each day, creating towering underwater forests that …

Giant kelp and bull kelp (Macrocystis pyrifera and Nereocystis luetkeana, respectively), hereafter kelp, are large, golden-brown, habitat-forming algae inhabiting rocky shores in the Northeast Pacific Ocean (both species) and for giant kelp, around the …

Giant bladder kelp (M. pyrifera) is the largest alga species, measuring up to 65 metres (215 feet) long, and is thought to have the fastest linear growth rate of any organism on Earth. Several species are commercially harvested as a source of alginate, a gel-like substance with a number of industrial and biomedical applications.

2025年1月30日 · Giant kelps of the genus Macrocystis are the largest known kelp species, reaching up to 65 metres (215 feet) long. The genus is limited in distribution because it reproduces only at temperatures below 18–20 °C (64.4–68 °F).

On our coast, giant kelp is the dominant canopy-forming species from Central Baja through the Big Sur coast, where it shares dominance with bull kelp. Giant kelp grows from the low intertidal zone to depths of 25 to 30 meters, depending on water clarity and sunlight.

Macrocystis, genus of three or four species of brown algae (family Laminariaceae), found in cool, coastal waters of the Pacific Ocean and parts of the southern Atlantic and Southern Oceans. Commonly known as giant kelps, Macrocystis species can form massive kelp forests and provide important habitats for numerous fish and marine invertebrates.

2018年6月7日 · One of the fastest-growing organisms on Earth, giant kelp can grow 2 feet a day and reach almost 150 feet in length -- in one growing season. Growth spurts of this large seaweed are fueled by a diet of dissolved nitrogen. One of the main forms of nitrogen is nitrate, and although nitrate is scarce in the summer and fall, giant kelp continues to ...