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Its common name is green bubble seaweed. [2] Dictyospharea cavernosa is multicellular with multiple bumps or bubbles on the surface. Dictyosphaeria cavernosa is hollow in contrast to its sister species D. versluysii of the same appearance which is solid. It grows about 12cm in diameter and possesses a green-yellow color while young. [2]
Other seaweed may be used as fertilizer, compost for landscaping, or to combat beach erosion through burial in beach dunes. [54] Seaweed is under consideration as a potential source of bioethanol. [55] [56] Seaweed is lifted out of the top of an algae scrubber/cultivator, to be discarded or used as food, fertilizer, or skin care.
Laminaria hyperborea is a massive, leathery seaweed, up to 360 cm long. [3] The holdfast is large and cone-shaped, with branched rhizoids, looking rather like a bird's foot. The stipe is circular in cross section, rough, thick at the base and tapering upwards. Older stipes are often covered with epiphytic red algae. The laminate blade is deeply ...
A raft of brown-colored seaweed in the Atlantic Ocean is so vast it can be seen from space.
Florida beaches are still postcard-worthy when it comes to natural wonders, despite dry, brown crusty seaweed blobs that have cropped up in some parts Seaweed season in Florida: Live webcams show ...
Laminaria digitata is a tough, leathery, dark brown seaweed that grows to two or three metres. The holdfast which anchors it to the rock is conical and has a number of spreading root-like protrusions called rhizoids. The stipe or stalk is flexible and oval in cross section and may be over 1 inch in diameter and grow to 5 feet in length. [1]
The seaweed can choke corals, wreak havoc on coastal ecosystems and diminish air quality. A giant seaweed bloom that can be seen from space threatens beaches in Florida and Mexico Skip to main content
Seaweed were generally considered homologues of terrestrial plants, [11] but are only very distantly related to plants, and have evolved plant-like structures through convergent evolution. [12] Where plants have leaves, stems, and reproductive organs, kelp have independently evolved blades, stipes, and sporangia.