A rank abundance curve or Whittaker plot is a chart used by ecologists to display relative species abundance, a component of biodiversity. It can also...

of abundance bins (historically log2 as a rough approximation to the natural logarithm) y-axis: number of species at given abundance Rank-abundance diagram...

of the world's ecosystems, biologists have repeatedly observed a rank-abundance curve in which ecosystems comprise a handful of incredibly abundant species...

less common. After this, the rank of abundance does not continue to correspond to the atomic number. Oxygen has abundance rank 3, but atomic number 8. There...

(statistics) Rank abundance curve Rank correlation mainly links to two following Spearman's rank correlation coefficient Kendall tau rank correlation coefficient...

function of their observed abundance. The SAD is one of ecology's oldest and most universal laws – every community shows a hollow curve or hyperbolic shape on...

patterns change with scale, when modeling species distributions. Rank abundance curve McGeoch, Melodie A.; Kevin J. Gaston (August 2002). "Occupancy frequency...

symbols, but can be very easily calculated. An example of a species abundance curve can be found in Scientific American. UNTB distinguishes between a dispersal-limited...

— Plant Resources of Tropical Africa — Range condition scoring — Rank abundance curve — Rare species — Rarefaction (ecology) — Reconciliation ecology —...

over time takes the form of a sigmoid curve, reaching its highest level at K. This is the logistic growth curve and it is calculated with: f ( x ) = L...

of population density. The logistic growth curve is initially very similar to the exponential growth curve. When population density is low, individuals...

distribution of abundances of individuals among species. The relative abundances of species are usually expressed as a Whittaker plot, or rank abundance plot, where...

Earth. Such an event is identified by a sharp fall in the diversity and abundance of multicellular organisms. It occurs when the rate of extinction increases...

alternatively or additionally be indicated by the color printed on the card. The rank for each card is determined by the number of pips on it, except on face cards...

For early Brahmi numerals, 7 was written more or less in one stroke as a curve that looks like an uppercase ⟨J⟩ vertically inverted (ᒉ). The western Arab...

effects of a very local environment. Therefore, ecotypes have no taxonomic rank. Ecotypes are closely related to morphs. In the context of evolutionary biology...

frequently used in endangered species management to develop a plan of action, rank the pros and cons of different management scenarios, and assess the potential...

representation of relative species abundances are species ranks, used to generate a surface called the species-rank surface, which can be analyzed using...

plenty or the poverty paradox, is the hypothesis that countries with an abundance of natural resources (such as fossil fuels and certain minerals) have...

Ohta therefore also included, 'abundance in nature' as another criterion for the determination energy quality rank. For example, Ohta said that, "the...

separate curve. Aggregate demand must equal total income, so equilibrium income must be determined by the point where the aggregate demand curve crosses...

strongly associated with greater migratory bird species richness and abundance. Coppicing of waterside willows and cottonwoods by beavers leads to dense...

to be confused with ab absurdo ("from the absurd"). ad abundantiam to abundance Used in legal language when providing additional evidence to an already...

Duftner; Michaela Maderbacher; Martin Koch; Stephan Koblmüller (2008). "Abundance, Distribution, and Territory Areas of Rock-dwelling Lake Tanganyika Cichlid...

the song with Curve in 1993 for the Peace Together album. The recording was also included on Curve's 2004 compilation album The Way of Curve. Although the...

is captured by the demand curve, whereas the sellers’ behaviour is captured by the supply curve. By putting these two curves on the same graph, economists...

has particular ecological meaning, because they relate to the species abundance, optimum and tolerance respectively. For example, the tolerance is a measure...

2012. Retrieved October 29, 2010. Tyson, N.D. (1992). A study of the abundance distributions along the minor axis of the Galactic bulge (PhD thesis)...

backwaters. Oxygen is a byproduct of photosynthesis, so systems with a high abundance of aquatic algae and plants may also have high concentrations of oxygen...

sample. The ratio of abundance of one species to one or multiple other species living in an ecosystem is called relative species abundance. Both indicators...