humic lake
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Humic acid — is one of the major components of humic substances [http://www.ihss.gatech.edu/whatarehs.html] which are dark brown and major constituents of soil organic matter humus that contributes to soil chemical and physical quality and are also precursors … Wikipedia
Dystrophic lake — refers to lakes with brown or tea coloured waters, the colour being the result of high concentrations of humic substances and organic acids suspended in the water. Because the term has long been misused in the literature, these lakes are better… … Wikipedia
Mere (lake) — Mere in English refers to a lake that is broad in relation to its depth, e.g. Martin Mere. A significant effect of its shallow depth is that for all or most of the time, it has no thermocline. Contents 1 Derivation of the word 1.1 Etymology 1.2… … Wikipedia
soil — soil1 soilless, adj. /soyl/, n. 1. the portion of the earth s surface consisting of disintegrated rock and humus. 2. a particular kind of earth: sandy soil. 3. the ground as producing vegetation or as cultivated for its crops: fertile soil. 4. a… … Universalium
Amazon River — Portuguese Rio Amazonas River, northern South America. It is the largest river in the world in volume and area of drainage basin, and only the Nile River of northeastern Africa exceeds it in length. It originates within 100 mi (160 km) of the… … Universalium
Russia — /rush euh/, n. 1. Also called Russian Empire. Russian, Rossiya. a former empire in E Europe and N and W Asia: overthrown by the Russian Revolution 1917. Cap.: St. Petersburg (1703 1917). 2. See Union of Soviet Socialist Republics. 3. See Russian… … Universalium
Antarctica — /ant ahrk ti keuh, ahr ti /, n. the continent surrounding the South Pole: almost entirely covered by an ice sheet. ab. 5,000,000 sq. mi. (12,950,000 sq. km). Also called Antarctic Continent. * * * Antarctica Introduction Antarctica Background:… … Universalium
Речной окунь — Запрос «Окунь» перенаправляется сюда; см. также другие значения. Речной окунь … Википедия
Alpine lakes — the 11 significant European lakes fringing the great mountainous mass of the Alps. Set in magnificent scenery, they are the focus of considerable settlement and a thriving tourist traffic, as well as of great scientific interest. Most … Universalium
Keurusselkä — Infobox lake lake name = Keurusselkä image lake = Keurusselka WorldWind.jpg caption lake = Landsat 7 image of the Keurusselkä region. Area where shatter cones have been found is marked with a red ellipse and the suggested impact structure of… … Wikipedia
