WebDec 29, 2024 · The results revealed that Por. onkodes and H. cylindracea significantly enhanced the rates of settlement and metamorphosis, whereas fewer larvae settled on Am. fragilissima and H. opuntia. Amplicon pyrosequencing of the V3-V4 region of 16S rDNA was applied to investigate the relationship between algal bacterial community and larval … WebNov 20, 2015 · The singular and interactive effects of ocean acidification and temperature on the physiology of calcified green algae (Halimeda incrassata, H. opuntia, and H. simulans) were investigated in a fully factorial, 4-week mesocosm experiment. Individual aquaria replicated treatment combinations of two pH levels (7.6 and 8.0) and two temperatures …
Distribution of Halimeda plants and sediments on and around a …
Weban underwater slate. H. opuntia, however, due to its small segment size and multitudenous branches forming compact clumps, was studied using 2-inch long sections of 10-inch … WebAug 12, 2015 · High DOC concentrations significantly reduced daily oxygen production of H. opuntia and H. macroloba by 78 % and 43 %, respectively, and significantly reduced … magec guanche
Halimeda opuntia - Wikipedia
WebH. opuntiasuffered net dissolution and 15% reduction in photosynthetic capacity, while H. taenicoladid not calcify but did not alter photophysiology in experimental treatments. The … WebHabitat: Halimeda opuntia is found attached to hard substrates subtidally between rocks or under coral overhangs. H. opuntia is the most widespread species of Halimeda and is the major producer of carbonate sands in many tropical reef areas. Hypnea musciformis (Rhodophyta) Native Look-alike: Pterocladiella spp. Features: Halimeda is a genus of green macroalgae. The algal body (thallus) is composed of calcified green segments. Calcium carbonate is deposited in its tissues, making it inedible to most herbivores. However one species, Halimeda tuna, was described as pleasant to eat with oil, vinegar, and salt. As in other members of … See more The genus Halimeda J.V. Lamouroux belongs to the order Bryopsidales under the family Halimedaceae. It has five monophyletic sections - Halimeda J.V. Lamouroux, Micronesicae Hillis-Col, Opuntia J. Agardh … See more The thalli of Halimeda is distinctly segmented and calcified. Calcium carbonate is deposited as aragonite and calcification begins as early as 36 hours. Their segments are … See more Species of Halimeda with sand-grower type holdfasts grown on sandy or muddy substrates, and are thus common in lagoons and backreefs. Those with the "sprawler" type are abundant in forereefs and on coral pinnacles. Being a calcareous … See more The genus' photosynthetic pigments are the those typical of class Chlorophyta (chlorophyll a and b) and also includes siphonoxanthin and … See more Halimeda is highly abundant in the tropics including the Thai-Malay Peninsula, and the Florida Keys. Some species (e.g. H. copiosa, discoidea, gracilis, opuntia, simulans, and tuna) have a global distribution. Halimeda tuna is found solely in the Mediterranean. See more Halimeda reproduces both sexually and asexually. Sexual reproduction is rarely observed because it is completed in 36 hours. The process begins with gametangia … See more Currently, Halimeda does not appear to be cultivated for aquaculture purposes. See more magecloud