English-russian biological dictionary. 2013.

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  • Alpha diversity — (α diversity) is the biodiversity within a particular area, community or ecosystem, and is usually expressed as the species richness of the area.[1] This can be measured by counting the number of taxa (distinct groups of organisms) within the… …   Wikipedia

  • alpha diversity — /ˈælfə dəvɜsəti/ (say alfuh duhversuhtee) noun the biodiversity to be found in one particular confined area or ecosystem, usually expressed by the number of species; species richness. Compare beta diversity …  

  • Diversity index — A diversity index is a statistic which is intended to measure the local members of a set consisting of various types of objects. Diversity indices can be used in many fields of study to assess the diversity of any population in which each member… …   Wikipedia

  • Diversity Icebreaker — is a concept that consists of a questionnaire to map cognitive style and communication style preferences combined with a seminar that builds on social constructionism on language categories. The cognitive style categories are named Red, Blue and… …   Wikipedia

  • Alpha-Diversität — Die Alpha Diversität bzw. α Diversität, auch „Punktdiversität“, beschreibt die Anzahl der in einem Habitat oder Biotop vorkommenden Arten. Der Ausdruck wurde durch den Ökologen Robert Whittaker 1960 eingeführt[1]. Sie bezieht sich damit auf die… …   Deutsch Wikipedia

  • Alpha Iota Omicron — Infobox Fraternity letters=AIO name=Alpha Iota Omicron colors=Black, Blue, and Silver symbol=Shield crest= founded=October 16, 1998 birthplace=University of Michigan type=Professional/Social Fraternity scope=National address=515 Calhoun St.… …   Wikipedia

  • Alpha Psi Lambda — Infobox Fraternity letters = ΑΨΛ name = Alpha Psi Lambda motto = Together We Shall Seek the Noblest crest = founded = February 11, 1985 type = Social scope = National address = PO BOX #A3152 | Chicago, IL 60690 3512 symbol = Palm Tree city =… …   Wikipedia

  • Alpha carbon — The alpha carbon in organic chemistry refers to the first carbon that attaches to a functional group (the carbon is attached at the first, or alpha, position).ref|Hackha By extension, the second carbon is the beta carbon,ref|Hackhb and so on.… …   Wikipedia

  • Alpha Rho Upsilon — Infobox Fraternity | name = Alpha Rho Upsilon letters = ΑΡΥ crest = motto = Tolerance and Diversity colors = symbol = crest with a pair of shaking hands and lamp of enlightenment flower = birthplace = Bowdoin College, Brunswick, Maine founded =… …   Wikipedia

  • Gamma diversity — (γ diversity) is a measure of biodiversity. It refers to the total biodiversity over a large area or region. It is the total of α and β diversity.According to Whittaker (1972), gamma diversity is the richness in species of a range of habitats in… …   Wikipedia

  • Beta diversity — (β diversity) is a measure of biodiversity which works by comparing the species diversity between ecosystems or along environmental gradients. This involves comparing the number of taxa that are unique to each of the ecosystems.It is the rate of… …   Wikipedia

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