Profundal zone — The profundal zone is a deep zone of a body of water, such as an ocean or a lake, located below the range of effective light penetration. This is typically below the thermocline, the vertical zone in the water through which temperature drops… … Wikipedia
profundal zone — the zone in lakes including all of the basin floor in contact with the hypolimnion, below the depth of effective light penetration … Dictionary of ichthyology
Profundal — Pro|fun|dal das; s, e <zu 1↑...al>: a) Tiefenregion der Seen unterhalb der lichtdurchfluteten Zone; b) Gesamtheit der im Profundal (a) lebenden Organismen … Das große Fremdwörterbuch
profundal region — In deep lakes from limnetic zone to bottom … Dictionary of invertebrate zoology
Limnetic zone — The limnetic zone is the well lit, open surface waters in a lake, away from the shore. It is surrounded by the littoral zone and above the profundal zone. It can be defined as the lighted surface waters in the area where the lake bottom is too… … Wikipedia
Littoral zone — Littoral redirects here. For other uses, see Littoral (disambiguation). Marine habitats Different disciplines and agencies divide the littoral zone into different subregions, according to how they want to view the zone. This diagram show … Wikipedia
Benthic zone — The benthic zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub surface layers. Organisms living in this zone are called benthos. They generally live in… … Wikipedia
Demersal zone — Marine habitats This bluespotted ribbontail ray lives in the demersal zone on or just above the seafloor Littoral zone Intertidal zone … Wikipedia
Lentic ecosystems — are the ecosystems of lakes, ponds and swamps. Included in these environments are the biotic interactions (amongst plants, animals and micro organisms) together with the abiotic interactions (physical and chemical).cite book | last = Brown first … Wikipedia
Lake — For other uses, see Lake (disambiguation). Oeschinen Lake in the Swiss Alps A lake is a body of relatively still fresh or salt water of considerable size, localized in a basin, that is surrounded by land. Lakes are inland and not part of the… … Wikipedia
Lake stratification — Lake zones Littoral zone Limnetic zone Profundal zone Bent … Wikipedia