- neutral species
- 无电荷化学种
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
neutral species
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neutral — adj Neutral, negative, indifferent are comparable when they mean lacking decisiveness or distinctiveness in character, quality, action, or effect. Neutral, in one of its earliest and still common senses, applies to states, governments, parties,… … New Dictionary of Synonyms
Species richness — is the number of species in a given area. It is represented in equation form as S.Typically, species richness is used in conservation studies to determine the sensitivity of ecosystems and their resident species. The actual number of species… … Wikipedia
Neutral theory of molecular evolution — The neutral theory of molecular evolution states that the vast majority of evolutionary changes at the molecular level are caused by random drift of selectively neutral mutants (not affecting fitness).[1] The theory was introduced by Motoo Kimura … Wikipedia
Species-area curve — The species area relationship for a contiguous habitat In ecology, a species area curve is a relationship between the area of a habitat, or of part of a habitat, and the number of species found within that area. Larger areas tend to contain… … Wikipedia
Species distribution — A species range maps represents the geographical region where individuals of a species can be found. This is a range map of Juniperus communis, the common juniper. Species distribution is the manner in which a biological taxon is spatially… … Wikipedia
Neutral mutation — In genetics, a neutral mutation is a mutation that has no effect on fitness. In other words, it is neutral with respect to natural selection. For example, some mutations in a DNA triplet or codon do not change which amino acid is introduced: this … Wikipedia
Species 8472 — Dieser Artikel oder Abschnitt ist nicht hinreichend mit Belegen (Literatur, Webseiten oder Einzelnachweisen) versehen. Die fraglichen Angaben werden daher möglicherweise demnächst gelöscht. Hilf Wikipedia, indem du die Angaben recherchierst und… … Deutsch Wikipedia
Unified neutral theory of biodiversity — The unified neutral theory of biodiversity and biogeography (here Unified Theory or UNTB ) is a theory and the title of a monograph [http://www.pupress.princeton.edu/titles/7105.html] by ecologist Stephen Hubbell. The theory aims to explain the… … Wikipedia
Energetic neutral atom — ENAs redirects here. For other uses, see Enas (disambiguation). Neutral Atom Imaging redirects here. For other uses, see Atom (disambiguation). ENA images of the fluctuation of Earth s ring current during July 15–16, 2000 geomagnetic storm made… … Wikipedia
Invasive species — See also: List of invasive species, Introduced species, Pest (organism), and Weed North American beavers constitute an invasive species in Tierra del Fuego, where they have a substantial impact on landscape and local ecology through their… … Wikipedia
Gender-neutral pronoun — Hir redirects here. For other uses, see Hir (disambiguation). A gender neutral pronoun is a pronoun that is not associated with any gender. It designates two distinct grammatical phenomena, the first being pronouns/periphrastics that have been… … Wikipedia
