نتایج جستجو برای: phaeophyta
تعداد نتایج: 241 فیلتر نتایج به سال:
Pterygophora californica Ruprecht, Eisenja arborea Areschoug and Laminana setchellii Silva are 3 common kelps (Laminariales, Phaeophyta) found in the shallow subtidal of open coastal British Columbia, Canada. Earlier laboratory studies showed that P. californica stipes had a cr~tical flaw length (CFL, the length of a flaw which, if exceeded, results in structural failure) of 0.2 mm. In this pap...
Only 12 species of marine algae were known until now from the Desventuradas Archipelago. A recent collection added 10 species yielding a total of six Chlorophyta, nine Phaeophyta, and seven Rhodophyta. Only one species, Padina tristromatica Levring, is endemic. More than half of the representatives are in common with the flora of the Juan Fernandez Archipelago, but only five species are also fo...
This study investigated the biological activities of five benthic marine algae collected from Northeastern Region of Brazil. The tested activities included larvicidal activity against Aedes aegypti, molluscicidal activity against Biomphalaria glabrata, and toxicity against Artemia salina. Extracts of Ulva lactuca (Chlorophyta), Padina gymnospora, Sargassum vulgare (Phaeophyta), Hypnea musciform...
Members of the genera Phytophthora de Bary and Pythium Pringsheim are economically important “fungal-like-organisms” or “pseudofungi” which have been widely studied throughout the world but their taxonomic treatment has been highly controversial. The production of globose oogonia in the sexual reproduction has placed them in the phylum Oomycota. Although members of Oomycota are similar to all f...
Indonesia is one of the world's richest nations in terms its biodiversity. One biological resources that has an important role marine life macroalgae. As a primary producer, macroalgae play coastal environment. Porok Beach beach Gunungkidul district Yogyakarta, Java Island, Indonesia. dominated by rocky substrate, which would be ideal substrate for The development areas as tourism destination f...
Carcinoma of the uterine cervix is the second most common female tumor worldwide, surpassed only by breast cancer. Natural products from seaweeds evidencing apoptotic activity have attracted a great deal of attention as new leads for alternative and complementary preventive or therapeutic anticancer agents. Here, methanol extracts from 13 species of tropical seaweeds (Rhodophytas, Phaeophyta an...
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