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...ter quality]], along with oxygen concentration and the presence or absence of pollutants and algal blooms.<ref name=”EPA”>{{cite web | title=Indicators: ...}</ref> Clarity affects the aquatic plants and animals living in all kinds of water bodies, including rivers, ponds, lakes, reservoirs, estuaries, coasta ...

'''Nutrient cycling in the Columbia River Basin''' involves the transport of nutrients through the system, as well as transformations from among dissolv ...s {{!}} Environmental Assessment Program {{!}} Washington State Department of Ecology|website=www.ecy.wa.gov|access-date=2017-11-04|url-status=dead|archi ...

{{short description| The balance between production and consumption of organic matter in lakes}} ...]. One of the most well-studied [[lake]]s in the world including estimates of lake metabolism. ]] ...

{{Short description|Long-term extrapolated geological and biological changes of planet Earth}} ...of an orange circular object representing the Sun|Conjectured illustration of the scorched [[Earth]] after the [[Sun]] has entered the [[red giant]] phas ...

...st, but this article focuses on those that are stable. Isotopic variations of trace metals in samples are used as [[Isotopic signature|isotopic fingerpri ...(Δ; the difference between two δ values). For a more complete description of these notations, see the isotope notation section in [[Hydrogen isotope bio ...

...416289305}}</ref> Taylor's original name for this relationship was the law of the mean.<ref name=Taylor1961/> The name ''Taylor's law'' was coined by So ...ined for ecological systems, specifically to assess the spatial clustering of organisms. For a population count <math>Y</math> with mean <math>\mu</math> ...

{{Short description|Form of speciation from isolation}} ...rosteus aculeatus.jpg|right|thumb|upright=1.3|[[Three-spined stickleback]] fish have been a frequently studied species in ecological speciation.]] ...

...t lead to variation between them can be applied to address a diverse array of questions ranging from [[ecology]] and [[hydrology]] to [[geochemistry]] an == History of hydrogen isotopes == ...

...iption|Controversy centering on concerns about the biomedical significance of bisphenol A (BPA)}} [[File:Bisphenol-A-Skeletal.svg|thumb|284px|Chemical structure of bisphenol A(BPA).]] ...

...volutionary events (S, D, T, L) and their respective names in the contexts of [[phylogeography]], [[host (biology)|host]]/[[symbiosis|symbiont]] and [[ge ...ene transfer|detect horizontal gene transfer]], or understand the dynamics of [[genome evolution]]. ...