algal bed

слой макроводорослей, ярус макроводорослей
* * *
слой макроводорослей
ярус макроводорослей

English-russian biological dictionary. 2013.

Смотреть что такое "algal bed" в других словарях:

  • Algal bloom — Algal blooms can present problems for ecosystems and human society An algal bloom is a rapid increase or accumulation in the population of algae (typically microscopic) in an aquatic system. Algal blooms may occur in freshwater as well as marine… …   Wikipedia

  • algal mat — noun a) an accumulation of filamentous algae, either freely floating or rolling along the sea bed. b) a mass of diatoms etc. covering soft bottoms …   Wiktionary

  • Stream bed — The bed of this stream is armored with rocks, some very rounded (having had a longer life in the stream) and some not. A stream bed is the channel bottom of a stream, river or creek; the physical confine of the normal water flow. The lateral… …   Wikipedia

  • Nethermost Pike — from Grisedale Elevation 891 m (2,923 ft) …   Wikipedia

  • river — river1 riverless, adj. riverlike, adj. /riv euhr/, n. 1. a natural stream of water of fairly large size flowing in a definite course or channel or series of diverging and converging channels. 2. a similar stream of something other than water: a… …   Universalium

  • Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

  • Fish farming — Intensive koi aquaculture facility in Israel Fish farming is the principal form of aquaculture, while other methods may fall under mariculture. Fish farming involves raising fish commercially in tanks or enclosures, usually for food. A facility… …   Wikipedia

  • Eutrophication — The eutrophication of the Potomac River is evident from its bright green water, caused by a dense bloom of cyanobacteria. Eutrophication (Greek: eutrophia healthy, adequate nutrition, development; German: Eutrophie) or more precisely… …   Wikipedia

  • Algaculture — is a form of aquaculture involving the farming of species of algae. The majority of algae that are intentionally cultivated fall into the category of microalgae (also referred to as phytoplankton, microphytes, or planktonic algae). Macroalgae,… …   Wikipedia

  • Trophic state index — The quantities of nitrogen, phosphorus, and other biologically useful nutrients are the primary determinants of a body of water s trophic state index (TSI). Nutrients such as nitrogen and phosphorus tend to be limiting resources in standing water …   Wikipedia

  • environment — environmental, adj. environmentally, adv. /en vuy reuhn meuhnt, vuy euhrn /, n. 1. the aggregate of surrounding things, conditions, or influences; surroundings; milieu. 2. Ecol. the air, water, minerals, organisms, and all other external factors… …   Universalium

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