As far as zoology goes, Aristotle's observations were vital to the creation of a taxonomic system; he was also the first to determine that whales and dolphins were marine mammals (not fish), and to describe and record migration.
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It was probably for the best, though, because I think HERON, EGRET, CRANE work well as a trio since they all fit into the "skinny birds with long necks but aren't storks" class in my layperson taxonomic system.
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Re-naming has already been done for several species, though it is an on-going process to create a reliable and accurate taxonomic system.
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The soil also shrinks and swells with variations in how much water it contains. In the USDA taxonomic system it is designated an "Udic Haplusterts".
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CalephoriniYin XC (1982) On the taxonomic system of Acridoidea from China. Acta Biologica Plateau Sinica, 1(1), pages 100 is a tribe of insects in the subfamily Acridinae, the silent slant-faced grasshoppers.
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Emmons has been characterized as a common, stony S-type asteroid by the Pan-STARRS survey and by the SDSS-based taxonomic system (latter poorly secured; LSQ). The asteroid is also a generically assumed C-type.
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Liliidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used (there are many such systems); the only requirement being that it includes the family Liliaceae.
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Arecidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used (there are many such systems); the only requirement being that it includes the family Arecaceae.
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Zingiberidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used (there are many such systems); the only requirement being that it includes the family Zingiberaceae.
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Some of these soils were previously classified as vertic Argiudolls but there is no evidence of the cracking required by the taxonomic system for the vertic subgroup. Depression areas contain mainly poorly drained sodic and sometimes saline soils.
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Ahamus zadoiensis is a species of moth of the family Hepialidae. It is found in China., 2010: Revision of taxonomic system of the genus Hepialus (Lepidoptera: Hepialidae) currently adopted in China. Journal of Hunan University of Science & Technology (Natural Science Edition) 25 (1): 114-120.
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Ahamus yushuensis is a species of moth of the family Hepialidae. It is found in China., 2010: Revision of taxonomic system of the genus Hepialus (Lepidoptera: Hepialidae) currently adopted in China. Journal of Hunan University of Science & Technology (Natural Science Edition) 25 (1): 114-120.
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Ahamus maquensis is a species of moth of the family Hepialidae. It is found in China., 2010: Revision of taxonomic system of the genus Hepialus (Lepidoptera: Hepialidae) currently adopted in China. Journal of Hunan University of Science & Technology (Natural Science Edition) 25 (1): 114-120.
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Ahamus gangcaensis is a species of moth of the family Hepialidae. It is found in China., 2010: Revision of taxonomic system of the genus Hepialus (Lepidoptera: Hepialidae) currently adopted in China. Journal of Hunan University of Science & Technology (Natural Science Edition) 25 (1): 114-120.
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Ahamus altaicola is a species of moth of the family Hepialidae. It is found in China., 2010: Revision of taxonomic system of the genus Hepialus (Lepidoptera: Hepialidae) currently adopted in China. Journal of Hunan University of Science & Technology (Natural Science Edition) 25 (1): 114-120.
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Based upon its spectrum, this body is classified as a rare O-type asteroid in the taxonomic system of Bus & Binzel. Photometric observations of this asteroid during 2009 gave a light curve with a period of 14.537 ± 0.001 hours and a brightness variation of 0.14 ± 0.03 in magnitude.
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Before 1955, Canadian soil testing was based on systems of classification which were similar to methods being used in the United States. In 1955, a taxonomic system of soil classification specific to Canadian conditions was introduced. This system was designed differentiate soils created by pedogenic processes in cool climatic environments.
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The handbook has had a mixed reception. In particular, the taxonomic system that has been used for the prominent family Bovidae (Volume 2) is not generally accepted. Heller et al. have argued that the revised bovid species list, which doubled the amount of recognized bovid species, is based only on one primary source.
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Bird taxonomy is currently in a state of flux, much wider in scope than the complications arising from the realization that birds are dinosaurs, and a full scientific consensus on the division of orders has yet to be settled upon. The Charadriiformes, for example, are grouped with the Ciconiiformes in the Sibley-Ahlquist taxonomy. In the interest of standardization this article, along with the rest of the Wikipedia Bird Population lists, is split along the taxonomic system used by BirdLife, which is both the Earth's largest partnership of conservation organizations, and the assessment team for birds on the IUCN Red List. This is not an endorsement of any one taxonomic system, and it may change in the future as new relationships are brought to light.
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Marconia has been characterized as an L-type asteroid in the Bus–DeMeo taxonomic system, while in the SMASS classification, it is an Ld-subtype that transitions between the L-type and D-type asteroids. The overall spectral type for members of the Marconia family is that of a carbonaceous C-type and X-type.
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According to the Johnston's archive and to American astronomer Michael Brown, ' measures 202 and 279 kilometers in diameter based on an assumed albedo of 0.09 and 0.04, respectively. On his website, Michael Brown lists this object as "possibly" a dwarf planet (200–400 km) which is the least certain class in his 5-class taxonomic system.
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In the German literature the taxonomic system of Engler completed its classification of Liliaceae in 1888. He divided the family into twelve subfamilies and subordinate tribes. Galtonia was then placed in the subfamily Lilioideae and tribe Scilleae together with 21 other genera. In 1955 a third species, G. viridiflora, was described, followed by G. regalis in 1986.
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Recently, examinations of pedodiversity using indices commonly used to characterize bio-diversity have been made Ibáñez et al. (1995) first introduced ecological diversity indices as measures of pedodiversity. They include Species richness, abundance, and Shannon index. Richness is the number of different soil types, which is the number of soil classes at particular level in a taxonomic system.
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It was suspected that his success over Huxley was due to the influence of his brother Francis Hincks, who was Premier of the Province of Canada at the time. He was said to be well like by his students there, although his ideas and teaching style was often seen as outdated. He was strongly opposed to Darwinism, preferring the Quinarian taxonomic system.
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"Magnoliidae" is the botanical name of a subclass, and "magnoliids" is an informal name that does not conform to the International Code of Nomenclature for algae, fungi, and plants. The circumscription of a subclass will vary with the taxonomic system being used. The only requirement is that it must include the family Magnoliaceae.International Code of Nomenclature for algae, fungi, and plants, Art.
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A 2007 phylogenetic study confirmed the new taxonomic system. Blacks corals are classified in the order Antipatharia with 7 families, 44 genera, and 280 distinct species. The families are Antipathidae, Aphanipathidae, Cladopathidae, Leiopathidae, Myriopathidae, Schizopathidae, and Stylopathidae. Black corals can be distinguished from other corals by their black, flexible skeletons and near- total lack of any kind of protection from sediment.
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A nested (or hierarchical) metalanguage is similar to an ordered metalanguage in that each level represents a greater degree of abstraction. However, a nested metalanguage differs from an ordered one in that each level includes the one below. The paradigmatic example of a nested metalanguage comes from the Linnean taxonomic system in biology. Each level in the system incorporates the one below it.
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Alismatidae is a botanical name at the rank of subclass. Circumscription of the subclass will vary with the taxonomic system being used (there are many such systems); the only requirement being that it includes the family Alismataceae. It is a relatively new name: earlier systems, such as the Engler and Wettstein systems, used the name Helobiae for a comparable unit.
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It is not used in the current United States system of soil classification but the term commonly shows up in college geology texts. Pedalfers have three subdivisions of which one is Lateritic soils. Pedalfer is a formative element in the United States soil taxonomic system for the Alfisols soil order. Alf is the formative element in the Alfisol name, and refers to aluminium (Al) and iron (Fe).
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They divided the family into 20 tribes and placed Ornithogalum in the tribe Scilleae with 19 other genera, and indicated 70 species existed. In the German literature the taxonomic system of Engler completed its classification of the Liliaceae in 1888. He divided the family into 12 subfamilies and subordinate tribes. Ornithogalum was then placed in the subfamily Lilioideae and tribe Scilleae together with 21 other genera.
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Ethnographic semantics specifically looks at how language is used throughout the culture. Lastly, ethnographic ethnoscience is related to ethnosemantics such that, it uses a taxonomic system to understand how cultural knowledge is accessible through language. Ethnographic ethnoscience uses similar classification systems for cultural domains like ethnobotany and ethnoanatomy. Again, ethnoscience is a way of understanding a how a culture sees itself through its own language.
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The spectral measurement indicate that Wright is not an olivine- rich A-type, but rather similar to the ordinary chondrites, with the common H chondrite as the most likely meteorite analogue for the asteroid's composition, as the spectra strongly indicate the presence of rock-forming pyroxenes minerals. The team of astronomers also characterized Wright as an class asteroid using the Bus–DeMeo taxonomic system.
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Linnaeus's Systema Naturae, Leiden, 1735 This list of systems of plant taxonomy presents "taxonomic systems" used in plant classification. A taxonomic system is a coherent whole of taxonomic judgments on circumscription and placement of the considered taxa. It is only a "system" if it is applied to a large group of such taxa (for example, all the flowering plants). There are two main criteria for this list.
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This minor planet was named after American astronomer Annie Jump Cannon (1863–1941), who developed a taxonomic system of stellar spectral types at Harvard University, and subsequently classified about 225,000 stars with these types for the Henry Draper Catalog. The official naming citation was mentioned in The Names of the Minor Planets by Paul Herget in 1955 (). She is also honored by the lunar crater Cannon.
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While Cronquist was in his mid-thirties, he began to question the usefulness of Adolf Engler & Karl Prantl's taxonomic system, laid down in their work Die Natürlichen Pflanzenfamilien (The Natural Plant Families), which had been the dominant system since the late 19th century. Although Cronquist was originally involved mostly with the family Asteraceae rather than with general systems, he began publishing on the topic in 1957 after much discussion with his peers concerning the challenge of forming a new taxonomic system. His initial publication (Cronquist, 1957) dealt purely with dicotyledons. At the time he began his work on his general scheme of classification, several others were working with the same goal in mind, including the American Robert F. Thorne, the Dane Rolf Dahlgren, and Armen Takhtajan of the U.S.S.R.. Each of them would go on to produce their own taxonomic schemes, though Cronquist's would prove to be the most widely adopted.
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This new taxonomic system does not affect the traditional identification and characterization of PV "types" and their independent isolates with minor genomic differences, referred to as "subtypes" and "variants", all of which are taxa below the level of "species". Additionally, phylogenetic groupings at higher taxonomic level have been proposed. This classification may need revision in the light of the existence of papilloma–polyoma virus recombinants. Additional species have also been described.
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In 1706, he was appointed as professor at the Athenaeum Illustre. Frederik Ruysch and Commelin divided the work, so that Ruysch dealt with the indigenous plants, and Commelijn the exotics. Jan Commelin, based his work on the taxonomic system devised by John Ray. Commelin grew up in the neighbourhood of O.Z. Achterburgwal, and lived, after his first marriage, on the Singel and after the second on the Keizersgracht near Leidsestraat.
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This picture of 433 Eros shows the view looking from one end of the asteroid across the gouge on its underside and toward the opposite end. Features as small as across can be seen. In 1975, an asteroid taxonomic system based on color, albedo, and spectral shape was developed by Chapman, Morrison, and Zellner. These properties are thought to correspond to the composition of the asteroid's surface material.
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Phalaenopsis orchid Orchidales is a botanical name of an order of flowering plants. In taxonomical systems, this is a relatively recent name as early systems used descriptive botanical names for the order containing the orchids. The Bentham & Hooker and the Engler systems had the orchids in order Microspermae while the Wettstein system treats them as order Gynandrae. Circumscription of the order will vary with the taxonomic system being used.
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The Bus-DeMeo classification is an asteroid taxonomic system designed by Francesca DeMeo, Schelte Bus and Stephen Slivan in 2009. It is based on reflectance spectrum characteristics for 371 asteroids measured over the wavelength 0.45–2.45 micrometers. This system of 24 classes introduces a new "Sv"-type and is based upon a principal component analysis, in accordance with the SMASS taxonomy, which itself is based upon the Tholen classification.
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The approach was developed further and re-published in the Overcoming series by Robinson as "Overcoming Your Smoking Habit" (Marks 2005). Conceptualizing methods for the design, description and evaluation of interventions has been a complex challenge for the discipline of Psychology. Marks (2009) published a Taxonomic system for psychological interventions. In 2015, Marks published a new theoretical explanation of obesity based on the concept of homeostasis, a property of all living things (Marks, 2015).
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Goethe undertook his 'adventure of reason', starting with the "crisis" in botany, the merely and purely mechanical classification-taxonomy of plant life. In so doing, Goethe also "wagered a sweeping theory about Nature itself." Goethe was concerned with the narrowing specialization in science and emphasis on accumulating data in a merely mechanical manner, devoid of human values and human development. Linnaean botanic taxonomic system represented this in his day, a Systema naturae.
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According to the American astronomer Michael Brown, measures 343 kilometers in diameter based on an assumed albedo of 0.08. On his website, Brown lists this object as a "possible" dwarf planet (200–400 km), which is the category with the lowest certainty in his 5-class taxonomic system. Similarly, Johnston's archive estimates a diameter 336 kilometers using an albedo of 0.09. As of 2018, no spectroscopic or photometric observations have been made.
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According to Johnston's archive, Praamzius measures 321 kilometers in diameter based on an assumed, generic albedo of 0.09. This would qualify the object as a weak dwarf planet candidate based on the 5-class taxonomic system of American astronomer Michael Brown. However, on his website, Brown estimates only a diameter of 191 kilometers due to a much higher (assumed) albedo of 0.20. As a consequence, he no longer considers Praamzius to be a possible dwarf planet.
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According to American astronomer Michael Brown and to the Johnston's archive, ' measures 128 and 130 kilometers in diameter based on an assumed albedo of 0.09 and 0.08, respectively. On his website, Michael Brown lists this object as "possibly" a dwarf planet (200–400 km) which is the least certain category in his 5-class taxonomic system. As of 2018, no rotational lightcurve has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.
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In the SMASS taxonomic system, Wright is an Sl-type, which transitions between the common stony S-type and the less common L-type asteroids. In the Tholen classification, this asteroid could not be assigned to a specific type. Its spectrum was unusual and noisy and resembled that of an A-type asteroid. In 2012, Wright was observed in the near-infrared using the SpeX instrument of the NASA Infrared Telescope Facility on Mauna Kea, Hawaii.
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According to Michael Brown and the Johnston's archive, Caju measures 524 and 584 kilometers in diameter based on an assumed albedo of 0.08 and 0.09, respectively. Michael Brown lists this object on his website as a "likely" dwarf planet (500–600 km) based on his 5-class taxonomic system that ranges from "nearly certainly" to "possibly". As of 2018, no rotational lightcurve of has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.
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In 1975, astronomers Clark R. Chapman, David Morrison, and Ben Zellner developed a simple taxonomic system for asteroids based on color, albedo, and spectral shape. The three categories were labelled "C" for dark carbonaceous objects, "S" for stony (silicaceous) objects, and "U" for those that did not fit into either C or S. This basic division of asteroid spectra has since been expanded and clarified. Thomas H. Burbine: Asteroids – Astronomical and Geological Bodies. Cambridge University Press, Cambridge 2016, , p.
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Black corals have historically been difficult to classify due to poor-quality specimens. They have few distinguishing morphological characteristics, and the few that there are vary across species, similar to other corals. When black corals were first documented by Henri Milne-Edwards and Jules Haime, two French zoologists in 1857, all species of Antipatharia were placed in the family Antipathidae. From 2001 to 2006, marine biologists Dennis Opresko and Tina Molodtsova helped transform the taxonomic system into what it is today.
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According to the Johnston's archive and to American astronomer Michael Brown, ' measures 464 and 468 kilometers in diameter based on an assumed albedo of 0.09 and 0.07, respectively. On his website, Michael Brown lists this object as "probably" a dwarf planet (400–500 km) based on his 5-class taxonomic system that ranges from "nearly certainly" to "possibly". As of 2018, no rotational lightcurve of has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.
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The treatise itself was written for a ruling monarch, and almost entirely from the view of sustaining monarchy – which elephants are suitable for the kingdom, how they should be trained for use by the nobility and for the purpose of war. The Hastividyārnava has an elaborate taxonomic system describing the various types of elephants and their character, and it was perhaps considered important for a king to have knowledge regarding elephants, as it is mentioned that only the learned king recognizes particular breeds.
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According to American astronomer Michael Brown and the Johnston's archive, measures 255 and 267 kilometers in diameter based on an assumed albedo of 0.08 and 0.09, respectively. On his website, Brown lists this object as a "possible" dwarf planet (200–400 km), which is the category with the lowest certainty in his 5-class taxonomic system. As of 2018, no spectral type and color indices, nor a rotational lightcurve have been obtained from spectroscopic and photometric observations. The body's color, rotation period, pole and shape remain unknown.
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Retrieved 26 January 2016. His work together with collaborators on chemotaxonomy of Murraya plants has received many citations over the years.Kong, Y. C., Ng, K. H., But, P.P. H., Li, Q., Yu, S. X., Chang, H. T., Cheng, K. F., Soejarto, D.D., Kan, W. S., Waterman, P.G,. (1986) Sources of the anti implantation alkaloid yuehchukene in the genus Murraya, Journal of Ethnopharmacology 15:195-200.Kinoshita, T. (2014) A new taxonomic system of the genus murraya (rutaceae) based on integration of morphology-based taxonomy and chemotaxonomy; and a philological survey on m.
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Johnston's archive estimates a diameter of 212 kilometers based on an assumed albedo of 0.09, while American astronomer Michael Brown, calculates a diameter of 131 kilometers, using an estimated albedo of 0.20 and an absolute magnitude of 6.6. On his website, Brown lists this object no longer as a dwarf planet candidate in his 5-class taxonomic system. As of 2018, no spectral type and color indices, nor a rotational lightcurve have been obtained from spectroscopic and photometric observations. The body's color, rotation period, pole and shape remain unknown.
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EzBioCloud database, formerly known as EzTaxon, consists of a complete hierarchical taxonomic system containing 62,988 bacteria and archaea species/phylotypes which includes 15,290 valid published names as of September 2018. Based on the phylogenetic relationship such as maximum-likelihood and OrthoANI, all species/subspecies are represented by at least one 16S rRNA gene sequence. The EzBioCloud database is systematically curated and updated regularly which also includes novel candidate species. Moreover, the website provides bioinformatics tools such as ANI calculator, ContEst16S and 16S rRNA DB for QIIME and Mothur pipeline.
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According to the Johnston's archive and to American astronomer Michael Brown, ' measures 128 and 130 kilometers in diameter based on an assumed albedo of 0.09 and 0.08, respectively. Due to its small size, it is listed as "probably not" a dwarf planet (100–200 km) on Michael Brown's website, which uses a 5-class taxonomic system that ranges from "nearly certainly" to "possibly" for potential dwarf planet candidates. As of 2018, no rotational lightcurve has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.
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According to the Johnston's archive and to American astronomer Michael Brown, ' measures 128 and 130 kilometers in diameter based on an assumed albedo of 0.09 and 0.08, respectively. Due to its small size, it is listed as "probably not" a dwarf planet (100–200 km) on Michael Brown's website, which uses a 5-class taxonomic system that ranges from "nearly certainly" to "possibly" for potential dwarf planet candidates. As of 2018, no rotational lightcurve has been obtained from photometric observations. The body's rotation period, pole and shape remain unknown.
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The publication Bouchet & Rocroi (2005) also includes a nomenclator of about 2400 suprageneric taxa (taxa above the level of genus) of gastropods, from the subtribe to the superfamily. A full bibliographic reference is provided for each taxon, giving the name of the authority, the original publication, the date of that publication, the type genus for the taxon, its nomenclatural status, and its validity under the rules of the ICZN. Since the publication of this taxonomic system in 2005, various changes have been published by other authors, for more information see changes in the taxonomy of gastropods since 2005.
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Under the guidance of Boccius, Bauer became an astute observer of nature and was just 15 when he began to contribute miniature drawings to Boccius' collection. In 1780, Franz and Ferdinand were sent to Vienna to work under the direction of Nikolaus von Jacquin, an eminent botanist and Director of the Royal Botanical Garden at Schönbrunn Palace. There, Bauer was introduced to the Linnean taxonomic system, the field of microscopy, and took lessons in landscape painting. In mid-1786, on the recommendation of Jacquin, Bauer accompanied the Oxford Professor John Sibthorp as an artist on a field trip to Greece and Asia Minor.
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From 1904–1905 Passarge held the post of Associate Professor of Geography in Berlin and in 1905 he became Professor of Geography in Breslau. In 1908 he joined the Colonial Institute in Hamburg, where he worked until 1936. He theorised that it should be possible for geographers to set up a taxonomic system for landforms, in much the same way as the biological sciences, although he favoured an empirical, descriptive system rather than a genetic one. Passarge's theories of racial geography (expounded in the 1920s in Das Judentum als landschaftskundlich-ethnologisches Problem) were embraced by the Nazi Party after 1933.
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In the late 1770s, Erasmus Darwin diverged from his work as a well-known physician due to his interest in botany. In 1789, he composed "The Love of Plants" which was a collection of poetic verses concerning Carolus Linnaeus's taxonomic system, which he revered deeply. This book was so successful that Erasmus Darwin later included it in The Botanic Garden (1791), which was composed of two poems, "The Economy of Vegetation" and "The Loves of Plants." "The Economy of Vegetation" is focused on the evolution of mankind through technology and innovation and argues that industrialization was part of a single evolutionary process.
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Ethnoscience can be effectively summed up as a classification system for a particular culture in the same way that a botanist would use a taxonomic system for the classification of plant species. Everything from class levels, food consumption, clothing, and material culture objects would be subjected to a taxonomic classification system. In essence, ethnoscience is a way of classifying cultural systems in a structured order to better understand the culture. The roots of ethnoscience can be traced back to influential anthropologists such as Franz Boas, Bronislaw Malinowski, and Benjamin Whorf who attempted to understand other cultures from an insider's perspective.
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Virus classification is the process of naming viruses and placing them into a taxonomic system similar to the classification systems used for cellular organisms. Viruses are mainly classified by phenotypic characteristics, such as morphology, nucleic acid type, mode of replication, host organisms, and the type of disease they cause. The formal taxonomic classification of viruses is the responsibility of the International Committee on Taxonomy of Viruses (ICTV) system, although the Baltimore classification system can be used to place viruses into one of seven groups based on their manner of mRNA synthesis. Specific naming conventions and further classification guidelines are set out by the ICTV.
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Frontispiece of 1862 edition of Genera plantarum A taxonomic system, the Bentham & Hooker system for seed plants, was published in Bentham and Hooker's Genera plantarum ad exemplaria imprimis in herbariis kewensibus servata definita in three volumes between 1862 and 1883. George Bentham (1800-1884) and Joseph Dalton Hooker (1817-1911) were British botanists who were closely affiliated to the Royal Botanic Gardens, Kew, in England. Their system of botanical taxonomy was based on the principle of natural affinities and is considered as pre-Darwinian as it does not take evolution into account. The Genera plantarum classified an estimated 97,205 species into 202 families and 7,569 genera.
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Stone effigies found at the Etowah Site The term South Appalachian Province was originally used by W. H. Holmes in 1903 to describe a regional ceramic style in the southeast involving surface decorations applied with a carved wooden paddle. By the late 1960s, archaeological investigations had shown the similarity of the culture that produced the pottery and the midwestern Mississippian pattern defined in 1937 by the Midwestern Taxonomic System. In 1967 James B. Griffin coined 'South Appalachian Mississippian' to describe the evolving understanding of the peoples of the Southeast. South Appalachian Mississippian area sites are distributed across a contiguous area including Alabama, Georgia, northern Florida, South Carolina, central and western North Carolina, and Tennessee.
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A survey for objects beyond the Kuiper Cliff by Scott Sheppard, Chadwick Trujillo and David Tholen gives a diameter of 250 kilometers assuming a moderate albedo of 0.10. Johnston's archive estimates a diameter of 280 kilometers based on an assumed albedo of 0.09, while American astronomer Michael Brown, calculates a diameter of 266 kilometers, using an estimated albedo of 0.08 and an absolute magnitude of 6.3. This is approximately half the size of , which is estimated at around , roughly a quarter the size of Pluto. On his website, Brown lists this object as a "possible" dwarf planet (200–400 km), which is the category with the lowest certainty in his 5-class taxonomic system.
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According to observations by the space-based Herschel and Spitzer telescopes, measures between 393 and 460 kilometers and its surface has a low albedo between 0.043 and 0.060. While Johnston's Archive adopts a diameter of 393 kilometers, astronomer Michael Brown gives a radiometric diameter of 473 kilometers and lists this object as a "probable" dwarf planet (400–500 km), which is the category with the second lowest certainty in his 5-class taxonomic system. The Collaborative Asteroid Lightcurve Link assumes an albedo of 0.10 and calculates a diameter of 334 kilometers based on an absolute magnitude of 5.5. A generic magnitude-to- diameter conversion with an albedo of 0.9 gives a diameter of 352 kilometers.
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A clade must by definition contain only one lineage, and it was considered to be the case that these "informal groups" may either contain more than one lineage, or only contain part of a lineage. Further research will eventually resolve these questions. Since the publication of this taxonomic system in 2005, various proposals for changes have been published by other authors, for more information see changes in the taxonomy of gastropods since 2005. In 2017 this taxonomy was superseded by a revised taxonomy "Revised Classification, Nomenclator and Typification of Gastropod and Monoplacophoran Families" by Philippe Bouchet & Jean-Pierre Rocroi, Bernhard Hausdorf, Andrzej Kaim, Yasunori Kano, Alexander Nützel, Pavel Parkhaev, Michael Schrödl and Ellen E. Strong in Malacologia, 2017, 61(1–2): 1–526.
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With assumed albedos between 0.04 and 0.25, and absolute magnitudes from 4.3 to 4.6, Buffy has an estimated diameter of 335 to 850 kilometers; the mean arrived at by considering the two single-figure estimates plus the centre points of the three ranges is 562 km, approximately a quarter the diameter of Pluto. On his website, American astronomer Michael Brown lists Buffy as a "likely" dwarf planet (500–600 km), which is the category with the 3rd highest certainty in his 5-class taxonomic system. As of 2018, no well-documented spectral type and color indices, nor a rotational lightcurve have been obtained from spectroscopic and photometric observations; however, the Johnston's Archive lists a "taxonomic type" of "BR", and a "B-R magnitude" of 1.24. The rotation period, pole and shape officially remain unknown.
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According to the Johnston's archive, measures 533 kilometers in diameter assuming an albedo of 0.09 for the body's surface. Although this object is currently not listed at Michael Brown website, it would be considered a "likely" dwarf planet (500–600 km) based on Brown's 5-class taxonomic system that ranges from "nearly certainly" to "possibly". This makes a notably large body for how late it has been discovered, being the fifth largest plutino in the Solar System, after , Orcus, , and Ixion, and the largest discovered since Orcus in 2004. It is unknown exactly why no surveys had discovered it previously, as it is neither in a particularly dense region of the sky, nor far enough south that most northern hemisphere-based surveys would ignore it, being only 5–6° south of the celestial equator.
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The botanical name itself is fixed by a type, which is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name is formally attached. In other words, a type is an example that serves to anchor or centralize the defining features of that particular taxon. The usefulness of botanical names is limited by the fact that taxonomic groups are not fixed in size; a taxon may have a varying circumscription, depending on the taxonomic system, thus, the group that a particular botanical name refers to can be quite small according to some people and quite big according to others. For example, the traditional view of the family Malvaceae has been expanded in some modern approaches to include what were formerly considered to be several closely related families.
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