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The green tides caused by the overgrowth of Ulva prolifera in the Yellow Sea of China have been occurring every summer since 2007. The green tide is a major environmental concern that involves the impacts from natural, anthropogenic, physicochemical and algae factors along with the warming of local water.
The earliest known representative is the cladophorales Proterocladus antiquus from the Mesoproterozoic-Neoproterozoic boundary in North China. [ 10 ] Current hypothesis on relationships among the main clades of Ulvophyceae [ 11 ] [ 12 ] are shown below.
Raw parae (green laver). Green laver (/ ˈ l eɪ v ər, ˈ l ɑː v ər /), known as aonori (アオノリ; 青海苔) in Japan, sea cabbage (海白菜) or hutai (滸苔) in China, and parae (파래) and kim (김) in Korean, is a type of edible green seaweed, including species from the genera Monostroma and Ulva (Ulva prolifera, Ulva pertusa, Ulva intestinalis).
Sea lettuce is eaten by a number of different sea animals, including manatees and the sea slugs known as sea hares.Many species of sea lettuce are a food source for humans in Scandinavia, Great Britain, Ireland, China, and Japan (where this food is known as aosa).
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Its cultivation has since spread to other countries, including Vietnam, Taiwan, and China. C. lentillifera, along with C. racemosa, are also known as sea grapes or green caviar in English. [2] It is a siphonous macroalgae, meaning it is a giant single cell with multiple nuclei, and can grow to 30 cm in length. Instead of leaves, the algae has ...
The genus Umbraulva was first described by Bae and Lee in 2011. [1] After studying the morphology of Ulva japonica (Holmes), Ulva amamiensis, and Ulva olivascens, and analyzing their DNA sequences, Bae and Lee proposed the new genus Umbraulva, and placed the three species they initially studied into that genus as Umbraulva japonica (Holmes), Umbraulva amamiensis (Tanaka), and Umbraulva ...
Ulva linza found in Rhode Island have branched or unbranched flattened tubes. [5] The thallus length ranges from 1.9 –36 cm with a mean length of 18.6 cm. The thallus width ranges from 0.2 to 4.8 cm with a mean width of 1.4 cm. [5] Ulva linza can be distinguished by its smooth thallus, most with a ruffled margin. [5]