Aulacoseira Acicularia
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Aulacoseira Acicularia
''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution. Species: *''Aulacoseira accincta'' *'' Aulacoseira acicularia'' *''Aulacoseira aculeifera'' *''Aulacoseira granulata ''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution. Species: *'' Aulacoseira accincta'' *'' Aulacoseira acicularia'' *''Aulacoseira aculeifera ''Aulacoseira'' is a genus ...'' References {{Taxonbar, from=Q771551 Diatoms Diatom genera ...
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Aulacoseira Granulata
''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution. Species: *'' Aulacoseira accincta'' *'' Aulacoseira acicularia'' *''Aulacoseira aculeifera ''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the wo ...'' *'' Aulacoseira granulata'' References {{Taxonbar, from=Q771551 Diatoms Diatom genera ...
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Diatom
A diatom (Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising several genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of the Earth's biomass: they generate about 20 to 50 percent of the oxygen produced on the planet each year, take in over 6.7 billion metric tons of silicon each year from the waters in which they live, and constitute nearly half of the organic material found in the oceans. The shells of dead diatoms can reach as much as a half-mile (800 m) deep on the ocean floor, and the entire Amazon basin is fertilized annually by 27 million tons of diatom shell dust transported by transatlantic winds from the African Sahara, much of it from the Bodélé Depression, which was once made up of a system of ...
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Aulacoseiraceae
Aulacoseirales is an order of diatoms belonging to the class Bacillariophyceae. The order consists only one family: Aulacoseiraceae. Genera Genera: * '' Alveolophora'' A.I.Moisseeva & T.L.Nevretdinova, 1990 * ''Aulacoseira'' G.H.K.Thwaites, 1848 * †''Eoseira ''Eoseira'' is an extinct genus of diatoms belonging to the family Aulacoseiraceae and containing the single species ''Eoseira wilsonii''. The species is dated to the Early Eocenes Ypresian stage and have only been found at the type locality in ...'' A.P.Wolfe & M.B.Edlund, 2005 * '' Pseudoaulacosira'' G.Lupikina & G.K.Khursevich, 1991 * '' Strangulonema'' R.K.Greville, 1865 References {{Taxonbar, from=Q18645922 Bacillariophyceae Diatom orders ...
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Cosmopolitan Distribution
In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The extreme opposite of a cosmopolitan species is an endemic one, being found only in a single geographical location. Qualification The caveat “in appropriate habitat” is used to qualify the term "cosmopolitan distribution", excluding in most instances polar regions, extreme altitudes, oceans, deserts, or small, isolated islands. For example, the housefly is highly cosmopolitan, yet is neither oceanic nor polar in its distribution. Related terms and concepts The term pandemism also is in use, but not all authors are consistent in the sense in which they use the term; some speak of pandemism mainly in referring to diseases and pandemics, and some as a term intermediate between endemism and cosmopolitanism, in effect regarding pandemism as ...
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Aulacoseira Accincta
''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution. Species: *'' Aulacoseira accincta'' *'' Aulacoseira acicularia'' *''Aulacoseira aculeifera'' *''Aulacoseira granulata ''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution. Species: *'' Aulacoseira accincta'' *'' Aulacoseira acicularia'' *''Aulacoseira aculeifera ''Aulacoseira'' is a genus ...'' References {{Taxonbar, from=Q771551 Diatoms Diatom genera ...
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Aulacoseira Acicularia
''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution. Species: *''Aulacoseira accincta'' *'' Aulacoseira acicularia'' *''Aulacoseira aculeifera'' *''Aulacoseira granulata ''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution. Species: *'' Aulacoseira accincta'' *'' Aulacoseira acicularia'' *''Aulacoseira aculeifera ''Aulacoseira'' is a genus ...'' References {{Taxonbar, from=Q771551 Diatoms Diatom genera ...
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Aulacoseira Aculeifera
''Aulacoseira'' is a genus of diatoms belonging to the family Aulacoseiraceae. The genus has cosmopolitan distribution In biogeography, cosmopolitan distribution is the term for the range of a taxon that extends across all or most of the world in appropriate habitats. Such a taxon, usually a species, is said to exhibit cosmopolitanism or cosmopolitism. The ext .... Species: *'' Aulacoseira accincta'' *'' Aulacoseira acicularia'' *'' Aulacoseira aculeifera'' *'' Aulacoseira granulata'' References {{Taxonbar, from=Q771551 Diatoms Diatom genera ...
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Diatoms
A diatom (New Latin, Neo-Latin ''diatoma''), "a cutting through, a severance", from el, διάτομος, diátomos, "cut in half, divided equally" from el, διατέμνω, diatémno, "to cut in twain". is any member of a large group comprising several Genus, genera of algae, specifically microalgae, found in the oceans, waterways and soils of the world. Living diatoms make up a significant portion of the Earth's Biomass (ecology), biomass: they generate about 20 to 50 percent of the oxygen produced on the planet each year, take in over 6.7 billion metric tons of silicon each year from the waters in which they live, and constitute nearly half of the organic material found in the oceans. The Protist shell, shells of dead diatoms can reach as much as a half-mile (800 m) deep on the ocean floor, and the entire Amazon basin is fertilized annually by 27 million tons of diatom shell dust transported by transatlantic winds from the African Sahara, much of it from the Bodélé Dep ...
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