biotic assemblage

См. также в других словарях:

• biotic community — an assemblage of populations living in a defined area …   Medical dictionary

• Microsauria — Temporal range: Late Carboniferous Early Permian, 318.1–270.6 Ma Possible descendant taxon Lissamphibia survives to present …   Wikipedia

• Microsauria —   Microsauria Rango temporal: Carbonífero Inferior Pérmico Inferior …   Wikipedia Español

• marine ecosystem — Introduction       complex of living organisms in the ocean environment.       Marine waters cover two thirds of the surface of the Earth. In some places the ocean is deeper than Mount Everest is high; for example, the Mariana Trench and the… …   Universalium

• protist — protistan /proh tis teuhn/, adj., n. protistic, adj. /proh tist/, n. any of various one celled organisms, classified in the kingdom Protista, that are either free living or aggregated into simple colonies and that have diverse reproductive and… …   Universalium

• United States — a republic in the N Western Hemisphere comprising 48 conterminous states, the District of Columbia, and Alaska in North America, and Hawaii in the N Pacific. 267,954,767; conterminous United States, 3,022,387 sq. mi. (7,827,982 sq. km); with… …   Universalium

• Ecology — For other uses, see Ecology (disambiguation). Ecology …   Wikipedia

• Kelp forest — Kelp forests are underwater areas with a high density of kelp. They are recognized as one of the most productive and dynamic ecosystems on Earth.Mann, K.H. 1973. Seaweeds: their productivity and strategy for growth. Science 182: 975 981.] Kelp… …   Wikipedia

• Occupancy-abundance relationship — In macroecology, the occupancy abundance (O A) relationship is the relationship between the abundance of species and the size of their ranges within a region. This relationship is perhaps one of the most well documented relationships in… …   Wikipedia

• Reef — In nautical terminology, a reef is a rock, sandbar, or other feature lying beneath the surface of the water (six fathoms or less at low water).Many reefs result from abiotic processes deposition of sand, wave erosion planning down rock outcrops,… …   Wikipedia

• Ecoregion — A map location of the Amazon Rainforest ecoregions. The yellow line encloses the ecoregions per the World Wide Fund for Nature. An ecoregion (ecological region), sometimes called a bioregion, is an ecologically and geographically defined area… …   Wikipedia