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Khakista (religious Group)
The ochrophytes, subphylum Ochrophytina, is a group of mostly photosynthetic heterokonts. Their plastid is of red algal origin. The classification of the group is still being worked out. Originally, the ochrophytes were regarded as a phylum denominated Ochrophyta. Some authors (e.g., Cavalier-Smith) divided it into two subphyla, Phaeista Cavalier-Smith 1995 (comprising Hypogyristea and Chrysista in some classifications, or Limnista and Marista in others) and Khakista Cavalier-Smith, 2000 (comprising ''Bolidomonas'' and diatoms). Others prefer not to use the subphyla, listing only lower taxa (e.g., Reviers, 2002, Guiry & Guiry, 2014). However, it is currently regarded as a subphylum inside of the phylum Gyrista, along with Pseudofungi and Bigyromonada. It contains two infraphyla: Diatomista, containing diatoms and related groups, and Chrysista, containing brown and golden algae and related groups. Phylogeny The cladogram below shows the evolutionary relationships be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Kelp Forest
Kelp forests are underwater areas with a high density of kelp, which covers a large part of the world's coastlines. Smaller areas of anchored kelp are called kelp beds. They are recognized as one of the most productive and dynamic ecosystems on Earth.Mann, K.H. 1973. Seaweeds: their productivity and strategy for growth. Science 182: 975-981. Although algal kelp forest combined with coral reefs only cover 0.1% of Earth's total surface, they account for 0.9% of global Primary production, primary productivity. Kelp forests occur worldwide throughout temperate and polar region, polar coastal oceans. In 2007, kelp forests were also discovered in tropical waters near Ecuador.Graham, M.H., B.P. Kinlan, L.D. Druehl, L.E. Garske, and S. Banks. 2007. Deep-water kelp refugia as potential hotspots of tropical marine diversity and productivity. Proceedings of the National Academy of Sciences 104: 16576-16580. Physically formed by brown macroalgae, kelp forests provide a unique habitat for m ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Detlev Leipe
Detlev is a German given name. It is a spelling variant of Detlef. People with this name Notable people with this name include: *Detlev Blanke (born 1941), interlinguistics lecturer at Humboldt University of Berlin *Detlev Bronk (1897–1975), President of Johns Hopkins University in Baltimore, Maryland *Detlev Buchholz, theoretical physicist at Göttingen University *Detlev Buck (born 1962), German film director and actor *Otto Detlev Creutzfeldt (born 1927), German physiologist and neurologist *Detlev Dammeier (born 1968), German football coach and a former player *Wilhelm Heinrich Detlev Körner (1878–1938), illustrator of the American West *Detlev Lauscher (1952–2010), German footballer who played as a striker *Detlev von Liliencron (1844–1909), German lyric poet and novelist from Kiel *Detlev Mehlis (born 1949), Senior Public Prosecutor in the Office of the Attorney General in Berlin *Detlev F. Neufert, German author, filmmaker and current president of the German T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Christiaan Van Den Hoek
Christiaan is a Dutch, Flemish and Afrikaans male given name. An archaic spelling of the name was Christiaen with "ae" to indicate the long sound "a". People with the name include: * Christiaan van Adrichem (1533–1585), Dutch Catholic priest and theological writer *Christiaan Andriessen (1775–1846), Dutch painter * Christiaan Bailey (born 1981), American surfer * Christiaan Bakkes (born 1965), South African writer * Christiaan Bangeman Huygens (1772–1857), Dutch diplomat and civil servant *Christiaan Barnard (1922–2001), South African cardiac surgeon known for his heart transplants *Christiaan Basson (born 1982), South African golfer * Christiaan Berger (1911–1965), Dutch sprinter *Christiaan Beyers (1869–1914), South African Boer general during the Second Boer War *Christiaan Bezuidenhout (born 1994), South African golfer * Christiaan Frederick Beyers Naudé (1915–2004), South African cleric, theologian, and anti-apartheid activist *Christiaen Jansz van Bieselingen ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bacillariophyceae
Bacillariophyceae is a group of pennate diatoms with a raphe (raphids). According to Ruggiero et al., 2015, the diatoms are treated as follows. This treatment largely reflects that used by Algaebase as at 2015, and is also reflected in the current (mid 2020) treatment used iDiatomBase the World Register of Marine Species (WoRMS) of which DiatomBase is a part, and the Catalogue of Life. This treatment is identical to that of Round et al., 1990, except that all diatoms are treated as a single class, Round et al.'s classes are reduced to subclasses, and the latter's original subclasses are omitted. It has 3 subclasses, '' Bacillariophycidae'', ''Coscinodiscophycidae'' and '' Fragilariophycidae'' Subclass Bacillariophycidae Contains the following orders; * Achnanthales (2k) * Bacillariales (3k) * Cymbellales (4k) * Dictyoneidales (17) * Eunotiales (2k) * Lyrellales (38) * Mastogloiales (825) * Naviculales (18k) * Rhopalodiales (527) * Surirellales (2k) * Thalassiophysales (1k) ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bolidophyceae
Bolidophyceae is a class of photosynthetic heterokont picophytoplankton, and consist of less than 20 known species. They are distinguished by the angle of flagellar insertion and swimming patterns as well as recent molecular analyses. Bolidophyceae is the sister taxon to the diatoms (Bacillariophyceae). They lack the characteristic theca of the diatoms, and have been proposed as an intermediate group between the diatoms and all other heterokonts. Taxonomy * Class Bolidophyceae Guillou & Chretiennot-Dinet 1999 ** Order Parmales Booth & Marchant 1987 *** Family Pentalaminaceae Marchant 1987 **** Genus '' Pentalamina'' Marchant 1987 ***** Species '' Pentalamina corona'' Marchant 1987 *** Family Triparmaceae Booth & Marchant 1988 **** Genus '' Tetraparma'' Booth 1987 ***** Species '' T. catinifera'' ***** Species '' T. gracilis'' ***** Species '' T. insecta'' Bravo-Sierra & Hernández-Becerril 2003 ***** Species '' T. pelagica'' Booth & Marchant 1987 ***** Species '' T. silverae' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Khakista
The ochrophytes, subphylum Ochrophytina, is a group of mostly photosynthetic heterokonts. Their plastid is of red algal origin. The classification of the group is still being worked out. Originally, the ochrophytes were regarded as a phylum denominated Ochrophyta. Some authors (e.g., Cavalier-Smith) divided it into two subphyla, Phaeista Cavalier-Smith 1995 (comprising Hypogyristea and Chrysista in some classifications, or Limnista and Marista in others) and Khakista Cavalier-Smith, 2000 (comprising '' Bolidomonas'' and diatoms). Others prefer not to use the subphyla, listing only lower taxa (e.g., Reviers, 2002, Guiry & Guiry, 2014). However, it is currently regarded as a subphylum inside of the phylum Gyrista, along with Pseudofungi and Bigyromonada. It contains two infraphyla: Diatomista, containing diatoms and related groups, and Chrysista, containing brown and golden algae and related groups. Phylogeny The cladogram below shows the evolutionary relationships between a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pinguiophyceae
Pinguiochrysidaceae is a family of marine Heterokontophyta. It is the only family in the order Pinguiochrysidales, which is the only order in the class Pinguiophyceae. It includes five species of unicellular organisms with high concentration of polyunsaturated fatty acids in the cytoplasm. The other common features are the lack of cell wall and the tendency for flagella loss even on the stage of zoospore, which is unusual for heterokonts. One species (''Polypodochrysis teissieri'') inhabits benthic substates (sometimes found the mucilage of other algae) and is able to produce lorica with one or more tubular necks. The other species live in the plankton. Species * Class Pinguiophyceae ** Order Pinguiochrysidales Kawachi et al., 2002 *** Family Pinguiochrysidaceae Kawachi et al., 2002 **** Genus '' Glossomastix'' O’Kelly, 2002 ***** Species ''Glossomastix chrysoplasta ''Glossomastix'' is a genus of heterokont Heterokonts are a group of protists (formally referred to as He ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dictyochophyceae
Dictyochophyceae sensu lato is a photosynthetic lineage of heterokont algae. Taxonomy * Class Dictyochophyceae Silva 1980 s.l. ** Subclass Sulcophycidae Cavalier-Smith 2013 *** Order Olisthodiscales Cavalier-Smith 2013 **** Family Olisthodiscaceae Cavalier-Smith 2013 *** Order Sulcochrysidales Cavalier-Smith 2013 **** Family Sulcochrysidaceae Cavalier-Smith 2013 ** Subclass Alophycidae Cavalier-Smith 2006 ictyochia Haeckel 1894 sensu Cavalier-Smith 1993*** Infraclass Pelagophycia Andersen & Saunders 1993 emend. 1995 stat. nov. elagophyceae Andersen & Saunders 1993**** Order Pelagomonadales Andersen & Saunders 1993 ***** Family Pelagomonadaceae Andersen & Saunders 1993 **** Order Sarcinochrysidales Gayral & Billard 1977 ***** Family Sarcinochrysidaceae Gayral & Billard 1977 *** Infraclass Actinochrysia Cavalier-Smith 1995 stat. nov. 2006 (Axodines Patterson, 1994; Actinochrysea Cavalier-Smith 1995; Actinochrysophyceae Cavalier-Smith 1995; Dictyochophyceae Silva 1980 emen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xanthophyceae
Yellow-green algae or the Xanthophyceae (xanthophytes) are an important group of heterokont algae. Most live in fresh water, but some are found in marine and soil habitats. They vary from single-celled flagellates to simple colonial and filamentous forms. Xanthophyte chloroplasts contain the photosynthetic pigments chlorophyll ''a'', chlorophyll ''c'', β-carotene, and the carotenoid diadinoxanthin. Unlike other heterokonts, their chloroplasts do not contain fucoxanthin, which accounts for their lighter colour. Their storage polysaccharide is chrysolaminarin. Xanthophyte cell walls are produced of cellulose and hemicellulose. They appear to be the closest relatives of the brown algae. Classifications The species now placed in the Xanthophyceae were formerly included in the Chlorophyceae. In 1899, Lüther created the group Heterokontae for green algae with unequal flagella. Pascher (1914) included the Heterokontae in the Chrysophyta. In 1930, Allorge renamed the group as Xant ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
