Cline Biology, Der auslösende Faktor muss dabei nicht im Detail bekannt sein, weil sich häufig mehrere Faktoren in schwer aufzulösender Weise parallel ändern, beispielsweise entlang der geographischen Breite oder der Gebirgshöhe. Die Merkmalsänderung kann eine reine Umweltmodifikation sein, besitzt aber häufig auch eine genetische Basis. [1] Literatur Czihak, Langer und Ziegler (Hrsg. This trait can be genetic, such as allele frequencies, or phenotypic, meaning an observable In biology, a cline refers to a gradual and continuous variation in a phenotypic or genotypic trait across the geographic or environmental range of a species or population, often reflecting adaptation to In biology, an ecocline or simply cline (Greek: κλίνω = to possess or exhibit gradient, to lean) describes an ecotone in which a series of biocommunities display continuous gradient. Since clinal Understanding factors regulating hybrid fitness and gene exchange is a major research challenge for evolutionary biology. Charles Darwin (1809-1882) put forth his concept of evolution by CLINE (Comparison of bioLogIcal deNdrogram structurEs), is a web-tool specifically designed for the visual comparison of dendrograms, with an emphasis on the display of matching clusters that, even In biology and ecology, an ecocline or simply cline (from Greek:κλίνω "to possess or exhibit gradient, to lean") describes an ecotone in which a series of biocommunities display a continuous gradient. However, there is still a need for novel population genetic theory that extends classic models of clines with two fitness optima to models incorporating shifting optima over a continuous landscape—the cline a gradual and continuous (or nearly continuous) change in a character (such as size or colour) in relation to its geographical or ecological distribution. In population genetics, a cline could include a In biology, an ecocline or simply cline (Greek: = to possess or exhibit gradient, to lean)is a term (coined by Julian Huxley in 1938) used to describe an ecotone in which a series of biocommunities display cline, in biology, any gradual change in a particular characteristic of a population of organisms from one end of the geographical range of the population to the other. Additionally, Huxley recognised that these multiple independent clines may not act in concordance with each other. Clines in traits across hybrid zones reflect a balance between natural selection and gene flow. allele frequency, blood type), or • Phenotypic and genetic clines have long been synonymous with adaptive evolution. First coined by Julian Clines are gradations in biological features over geographic space. See examples of cline used in a sentence. If environmental character changes gradually [for example, a north / south temperature gradient], the fitness of the " A " allele (red line) changes In biology, a cline is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range. e. Gradients of characteristics usually Variation progressive d’un caractère morphologique : coloration, etc. However, there is another important dimension to Clines are useful to biological, medical, and other anthropologists interested in depicting and analyzing human variation. They can show either smooth, Hier sollte eine Beschreibung angezeigt werden, diese Seite lässt dies jedoch nicht zu. In biology, a cline (from the Greek κλίνειν klinein, meaning "to lean") is a measurable gradient in a single character (or biological trait) of a species across its geographical range. This phenomenon occurs when environmental pressures—such as temperature, altitude, or Environmental clines are an important concept when describing the various characteristics within a specific species. [1] A cline is a gradual change of a character or feature (phenotype) in a species over a geographical area, often as a result of environmental heterogeneity. • In biology, a cline is a measurable gradient in a single characteristic of a species across its geographical range. Cette variation peut être CLINE definition: the gradual change in certain characteristics exhibited by members of a series of adjacent populations of organisms of the same species. ) on which things can be arranged in order according to a. Consultez les significations, exemples, conseils d’utilisation, prononciation, domaines, et mots associés. In biology, a cline,[1] or 'ecocline', describes a series of connected populations in a species. Clines A cline is the gradual change in the phenotypes and genotypes of a species across a geographical gradient When a species is In biology, a cline (from the Greek κλίνειν klinein, meaning "to lean") is a measurable gradient in a single character (or biological trait) of a species across its geographical range. Clines usually have a genetic, or phenotypic character. Cline: a character gradient in space (a) A "smooth" cline. Explore the topic of environment clines, and learn how they impact the physical A cline is a gradual change of a character or feature (phenotype) in a species over a geographical area, often as a result of environmental heterogeneity. Cline locations delimit taxon boundaries, cline widths scale with barrier strength, and the shapes of clines (smooth or stepped) suggest whether I suggest that a cline theory without the prerequisite of parapatric speciation can be very useful, for it provides both an evolutionary interpretation of a given geographical distribution and In biology, a cline (from the Greek κλίνειν klinein, meaning "to lean") is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range. Origine et définition du concept de cline en biologie évolutiveLe terme « cline », issu du grec « klinē » qui Card 12 / 25: Explain what a cline is and provide examples. Subspecies, Varieties, Ecotypes, and Clines On the previous page, we have looked at adaptation as a characteristic of a species or a group of species. Zur Unterscheidung dieser Fälle werden normalerweise Zuchten unter kontrollierten Umweltbedingungen durchgeführt (im Labor oder Gewächshaus). Gradients of characteristics usually In biology, a cline is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range. In population genetics, a cline could include a A single population can therefore theoretically have as many clines as it has traits. 803–804, 921–923, Berlin: Springer 1998 Suche in: Google Scholar Cline theory has a central place in speciation studies. [ 1 ] Les clines présentent généralement un In biology and ecology, an ecocline or simply cline (from Greek to possess or exhibit gradient, to lean) is an ecotone in which a series of biocommunities display a continuous gradient. [2] The term Clines at epistatic loci are stabilized in a similar manner to clines with heterozygous disadvantage or frequency-dependent selection. The meaning of CLINE is a gradient of morphological or physiological change in a group of related organisms usually along a line of environmental or geographic transition. A cline is a type of geographic variation that is seen in populations of a given species that vary gradually across an Clines and Continuous VariationTHE CLINE CONCEPTSICKLE-CELL ANEMIA AND MALARIACLINAL MAPSRESISTANCE TO CLINESEXPLAINING CLINESBIBLIOGRAPHY Source for information on 克林（生物学） 有关其他用途，请参见 Cline 。 “基因cline”在这里重定向。 对于棒球运动员，请参阅 Gene Clines 。 对于名为Gene Klein的人，请参阅 Eugene Klein（歧义） 。 在 生物学 中， 克林 是 Définition En biologie et climatologie, une cline précise qu'une évolution graduelle d'un caractère biologique d'une espèce a lieu le long d'un axe géographique qui 2. Charles Darwin (1809-1882) put forth his concept of evolution by The cline of instantiation is a dimension that organizes systems of all kinds — physical systems like that of meteorology, biological systems, social systems and semiotic systems. These variations can be morphological, physiological, or biochemical, and Other groups in this image could also be considered demes. : κλίνω: lehnen, neigen [4]) wird die kontinuierliche Veränderung eines biologischen Merkmals parallel A continuous spatial gradient in visible traits, which is called a cline, is a natural model system for quantifying the effects of selection and stochastic factors and their relative importance. In many parts of the world A cline refers to a gradual change in a trait or characteristic of a species over a geographical gradient, which can be influenced by environmental factors. Changes over time in average values for traits, and especially the shapes of their clines, are rarely investigated In biology, a cline is a measurable gradient in a single characteristic of a species across its geographical range. Charles Darwin (1809-1882) put forth his concept of evolution by Clines and Ecotypes Clines and ecotypes are variants of a particular species adapted to a specific locale or set of environmental conditions. Entlang einer C. The only difference is that, with more than one locus, the analytical Clines at genetic loci (i. Kompaktlexikon der Biologie Cline Cline, Kline, das Merkmalsgefälle innerhalb des Areals einer Art. allele frequency, blood type), or Clines In 1938 the English biologist Julian Huxley proposed using the Greek-derived word cline to represent the gradual change of a single biological trait (e. When a cline is graphically portrayed, portions of the distribution of the trait that In biology and ecology, an ecocline or simply cline (from Greek: κλίνω "to possess or exhibit gradient, to lean") describes an ecotone in which a series of biocommunities display a continuous gradient. These populations show a continuous gradient of traits and genetics. Clinal gradients could vary at geographic scales (latitude and Science Cline (biology), a measurable gradient in a single trait in a species across its geographical range Cline (hydrology), a fluid layer with a property that varies Cline (mathematics) or generalised 「cline」とは、生物学の用語で、ある地理的範囲における生物の形質が連続的に変化するパターンを指す。Weblio国語辞典では「クライン」の意味や使い方、用例、類似表現などを解説しています。 Clines and Ecotypes Clines and ecotypes are variants of a particular species adapted to a specific locale or set of environmental conditions. Genomic cline analysis has been used to evaluate alternative patterns of Understanding factors regulating hybrid fitness and gene exchange is a major research challenge for evolutionary biology. allele frequency, blood type), or A cline is a gradual change of a character or feature (phenotype) in a species over a geographical area, often as a result of environmental Clines are not accidental biological patterns. Cline locations delimit taxon boundaries, cline widths scale with barrier strength, and the shapes of clines (smooth or stepped) In hydrology and related studies, a cline (from Ancient Greek κλίνειν (klínein) 'to lean') is a comparatively thin, typically horizontal layer within a fluid, in which a property of the fluid varies greatly over a Cline systématique En systématique, un cline désigne, dans une espèce ou dans une sous espèce, une lente divergence évolutive morphologique ou physiologique au sein d une même population, ou plus Clinical variation, or a "cline," describes a gradual, continuous change in a phenotypic trait or gene frequency within a species over a geographical or environmental gradient, reflecting Cline facts. [1] First coined by Julian En systématique et en biologie évolutive, un cline est une variation spatiale graduelle entre deux groupes d'individus au sein d'une espèce, sous-espèce ou population 1. It’s a continuous gradient of variation, reflecting the A biological cline refers to a gradual change in a measurable trait within a species across a geographical area. Clines can arise for different reasons: • Natural selection favors a slightly different form along the gradient. La sélection entraîne une Clines werden oft als Ergebnis von zwei gegensätzlichen Triebkräften angeführt: Selektion und Genfluss (auch als Migration bekannt). How to use cline in a Kline (Biologie) Als Kline (auch Klin[1][2] oder Ökokline, [3] englisch: cline oder ecocline; von griech. First coined by Julian Huxley cline, in biology, any gradual change in a particular characteristic of a population of organisms from one end of the geographical range of the population to the other. When a species Another example of this cline type of evolution is the development of insect strains resistant to an insecticide that has been applied heavily in an area for several years. For example, the LdH of the killifish Cline theory has a central place in speciation studies. First coined by Julian Huxley CLINE definition: the gradual change in certain characteristics exhibited by members of a series of adjacent populations of organisms of the same species. A cline is a geographic gradient in the frequency of a gene, or in the average value of a character. Cline locations delimit taxon boundaries, cline widths scale with barrier strength, and the shapes of clines (smooth or stepped) . ), S. a scale (= set of numbers, levels, etc. Die Selektion bewirkt eine Anpassung an die lokale Umwelt, was dazu In der Biologie ist ein Cline (aus dem Griechischen,,,,,, Mager "); ein messbarer Gradient in einem einzigen Charakter (oder biologischen Merkmal) einer Art über ihren geographischen Bereich Définition de cline : variation graduelle d'un caractère biologique dans une population sur un territoire. Clines usually have a genetic, or phenotypic Solution: Clines or continuous gradations in physical characteristics exist; clines can be used to explain physical characteristics and the genetic composition of groups. [1] The term was coined In biology, a cline is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range. This concept highlights how variations in traits like cline, in biology, any gradual change in a particular characteristic of a population of organisms from one end of the geographical range of the population to the other. allele frequency, blood type), or <p>Clines refer to gradual variations in characteristics among populations of a species that occur over geographical distances. allele frequency, blood type), or Cline theory has a central place in speciation studies. However, other processes (for example, migration, range expansion, invasion) may generate clines Übersetzung für 'cline' im kostenlosen Englisch-Deutsch Wörterbuch von LANGENSCHEIDT – mit Beispielen, Synonymen und Aussprache. Les clines sont souvent citées comme étant le résultat de deux moteurs opposés : la sélection et le flux génétique (également connu sous le nom de migration). Bleibt der Unterschie In the realm of biological sciences, a cline represents a gradual change in a phenotypic or genotypic trait across a geographic area. , allozymes, microsatellites, protein-coding loci) are commonly under direct selection or tightly coupled to loci under selection. allele frequency, blood type), or What is a cline in a population? A cline is a gradual change of a character or feature (phenotype) in a species over a geographical area, often as A cline in biology is a measurable gradient in a single biological trait of a species across its geographical range. g. In biology, a cline is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range. For example, there is an increase in the In biology, a cline is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range. Clines and Ecotypes Clines and ecotypes are variants of a particular species adapted to a specific locale or set of environmental conditions. They refer to continuous degrees of difference in either phenotype or genotype across or within human populations. Genomic cline analysis has been CLINE definition: 1. , skin color) in a given species over a Abstract Clines are observable gradients that reflect continuous change in biological traits of species across geographical ranges. Clines usually have a genetic (e. They serve as the spatial manifestation of the constant tug-of-war between selective pressures and genetic migration across a landscape. Clinal gradients could vary at geographic scales (latitude and Abstract Clines are observable gradients that reflect continuous change in biological traits of species across geographical ranges. Learn more. [1] Clines usually have a genetic (e. A given cline En biologie , un cline est un gradient mesurable d'une caractéristique (ou trait biologique) d'une espèce au sein de son aire de répartition géographique . ), Biologie (6. ändern sich die Häufigkeit eines Merkmals oder seine Ausprägung mehr oder Cline (biology) explained In biology, a cline is a measurable gradient in a single characteristic (or biological trait) of a species across its geographical range.
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