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WebBeta- diverzita popisuje strukturní komplexitu prostředí, je mírou rozdílnosti (či naopak podobnosti) druhového složení mezi společenstvy podél určitého gradientu … WebAlfa diverzita je termín používaný k označení druhů na místní úrovni, to znamená v rámci stanoviště nebo ekologické komunity. Beta je rozdíl v druhovém složení mezi … jared isaacson billionaire

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In ecology, alpha diversity (α-diversity) is the mean species diversity in a site at a local scale. The term was introduced by R. H. Whittaker together with the terms beta diversity (β-diversity) and gamma diversity (γ-diversity). Whittaker's idea was that the total species diversity in a landscape (gamma diversity) is … See more Both the area or landscape of interest and the sites within it may be of very different sizes in different situations, and no consensus has been reached on what spatial scales are appropriate to quantify alpha diversity. It … See more Alpha diversity can be calculated in both extinct and extant landscapes. Examples of extinct alpha diversity studies • The … See more • Beta diversity • Dark diversity • Diversity index • Gamma diversity • Zeta diversity • Global biodiversity See more Ecologists have used several slightly different definitions of alpha diversity. Whittaker himself used the term both for the species … See more Suppose species diversity is equated with the effective number of species, and alpha diversity with the mean species diversity per subunit. Then alpha diversity can be calculated in two different ways that give the same result. The first approach is to calculate a weighted See more • An explanation of many specific biodiversity terms using illustrations, University of Wisconsin–Stevens Point See more http://publikacie.uke.sav.sk/sites/default/files/2007_1_005_012_elias.pdf WebAlpha-Stim electrotherapy device is proven effective and safe for pain management and treatment of anxiety, insomnia, and depression. low fodmap search