Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Abyssal_plain> ?p ?o }
- Abyssal_plain abstract "An abyssal plain is an underwater plain on the deep ocean floor, usually found at depths between 3000 and 6000 m. Lying generally between the foot of a continental rise and a mid-ocean ridge, abyssal plains cover more than 50% of the Earth’s surface. They are among the flattest, smoothest and least explored regions on Earth. Abyssal plains are key geologic elements of oceanic basins (the other elements being an elevated mid-ocean ridge and flanking abyssal hills). In addition to these elements, active oceanic basins (those that are associated with a moving plate tectonic boundary) also typically include an oceanic trench and a subduction zone.Abyssal plains were not recognized as distinct physiographic features of the sea floor until the late 1940s and, until very recently, none had been studied on a systematic basis. They are poorly preserved in the sedimentary record, because they tend to be consumed by the subduction process. The creation of the abyssal plain is the end result of spreading of the seafloor (plate tectonics) and melting of the lower oceanic crust. Magma rises from above the asthenosphere (a layer of the upper mantle) and as this basaltic material reaches the surface at mid-ocean ridges it forms new oceanic crust. This is constantly pulled sideways by spreading of the seafloor. Abyssal plains result from the blanketing of an originally uneven surface of oceanic crust by fine-grained sediments, mainly clay and silt. Much of this sediment is deposited by turbidity currents that have been channelled from the continental margins along submarine canyons down into deeper water. The remainder of the sediment is composed chiefly of pelagic sediments. Metallic nodules are common in some areas of the plains, with varying concentrations of metals, including manganese, iron, nickel, cobalt, and copper. These nodules may provide a significant resource for future mining ventures.Owing in part to their vast size, abyssal plains are currently believed to be a major reservoir of biodiversity. The abyss also exerts significant influence upon ocean carbon cycling, dissolution of calcium carbonate, and atmospheric CO2 concentrations over timescales of 100–1000 years. The structure and function of abyssal ecosystems are strongly influenced by the rate of flux of food to the seafloor and the composition of the material that settles. Factors such as climate change, fishing practices, and ocean fertilization are expected to have a substantial effect on patterns of primary production in the euphotic zone. This will undoubtedly impact the flux of organic material to the abyss in a similar manner and thus have a profound effect on the structure, function and diversity of abyssal ecosystems.".
- Abyssal_plain thumbnail Oceanic_basin.svg?width=300.
- Abyssal_plain wikiPageExternalLink book.pdf.
- Abyssal_plain wikiPageExternalLink bradya2.pdf.
- Abyssal_plain wikiPageExternalLink 091102171559.htm.
- Abyssal_plain wikiPageExternalLink ?id=SsZR_zsqQWsC&printsec=frontcover&dq=%22Plate+Tectonics+and+Crustal+Evolution%22&q.
- Abyssal_plain wikiPageExternalLink doc878.html.
- Abyssal_plain wikiPageExternalLink Species-List.
- Abyssal_plain wikiPageExternalLink TechStudy3.pdf.
- Abyssal_plain wikiPageExternalLink zt01866p539.pdf.
- Abyssal_plain wikiPageExternalLink anchovy.pdf.
- Abyssal_plain wikiPageID "972800".
- Abyssal_plain wikiPageLength "74476".
- Abyssal_plain wikiPageOutDegree "338".
- Abyssal_plain wikiPageRevisionID "706063809".
- Abyssal_plain wikiPageWikiLink Abyssal_hill.
- Abyssal_plain wikiPageWikiLink Abyssal_spiderfish.
- Abyssal_plain wikiPageWikiLink Abyssal_zone.
- Abyssal_plain wikiPageWikiLink Abyssobrotula_galatheae.
- Abyssal_plain wikiPageWikiLink Accretion_(geology).
- Abyssal_plain wikiPageWikiLink Adaptive_radiation.
- Abyssal_plain wikiPageWikiLink Adiabatic_process.
- Abyssal_plain wikiPageWikiLink Alcyonacea.
- Abyssal_plain wikiPageWikiLink Allogromiida.
- Abyssal_plain wikiPageWikiLink Alvinocarididae.
- Abyssal_plain wikiPageWikiLink Ammunition.
- Abyssal_plain wikiPageWikiLink Amphipoda.
- Abyssal_plain wikiPageWikiLink Amplitude.
- Abyssal_plain wikiPageWikiLink Angola_Basin.
- Abyssal_plain wikiPageWikiLink Antarctica.
- Abyssal_plain wikiPageWikiLink Aphotic_zone.
- Abyssal_plain wikiPageWikiLink Archaea.
- Abyssal_plain wikiPageWikiLink Arctic_Ocean.
- Abyssal_plain wikiPageWikiLink Ascension_Island.
- Abyssal_plain wikiPageWikiLink Asellota.
- Abyssal_plain wikiPageWikiLink Asthenosphere.
- Abyssal_plain wikiPageWikiLink Astronomy.
- Abyssal_plain wikiPageWikiLink Atlantic_Ocean.
- Abyssal_plain wikiPageWikiLink Atmosphere_(unit).
- Abyssal_plain wikiPageWikiLink Atmospheric_pressure.
- Abyssal_plain wikiPageWikiLink Basalt.
- Abyssal_plain wikiPageWikiLink Bathyal_zone.
- Abyssal_plain wikiPageWikiLink Bathymetry.
- Abyssal_plain wikiPageWikiLink Bathypterois_grallator.
- Abyssal_plain wikiPageWikiLink Bathyscaphe.
- Abyssal_plain wikiPageWikiLink Bedrock.
- Abyssal_plain wikiPageWikiLink Beggiatoa.
- Abyssal_plain wikiPageWikiLink Benthic_zone.
- Abyssal_plain wikiPageWikiLink Benthos.
- Abyssal_plain wikiPageWikiLink Biodiversity.
- Abyssal_plain wikiPageWikiLink Biofilm.
- Abyssal_plain wikiPageWikiLink Biogeography.
- Abyssal_plain wikiPageWikiLink Biomass_(ecology).
- Abyssal_plain wikiPageWikiLink Biotic_material.
- Abyssal_plain wikiPageWikiLink Black_lizardfish.
- Abyssal_plain wikiPageWikiLink Blowout_(well_drilling).
- Abyssal_plain wikiPageWikiLink Brine_pool.
- Abyssal_plain wikiPageWikiLink Calcium_carbonate.
- Abyssal_plain wikiPageWikiLink Canada.
- Abyssal_plain wikiPageWikiLink Carbon_cycle.
- Abyssal_plain wikiPageWikiLink Carbon_dioxide.
- Abyssal_plain wikiPageWikiLink Carbon_dioxide_in_Earths_atmosphere.
- Abyssal_plain wikiPageWikiLink Carbon_sequestration.
- Abyssal_plain wikiPageWikiLink Category:Abyssal_plains.
- Abyssal_plain wikiPageWikiLink Category:Aquatic_ecology.
- Abyssal_plain wikiPageWikiLink Category:Coastal_and_oceanic_landforms.
- Abyssal_plain wikiPageWikiLink Category:Oceanographical_terminology.
- Abyssal_plain wikiPageWikiLink Census_of_Marine_Life.
- Abyssal_plain wikiPageWikiLink Challenger_Deep.
- Abyssal_plain wikiPageWikiLink Challenger_expedition.
- Abyssal_plain wikiPageWikiLink Chemosynthesis.
- Abyssal_plain wikiPageWikiLink Chiton.
- Abyssal_plain wikiPageWikiLink Chukchi_Sea.
- Abyssal_plain wikiPageWikiLink Cirolanidae.
- Abyssal_plain wikiPageWikiLink Clarion-Clipperton_Fracture_Zone.
- Abyssal_plain wikiPageWikiLink Class_(biology).
- Abyssal_plain wikiPageWikiLink Clay.
- Abyssal_plain wikiPageWikiLink Climate_change.
- Abyssal_plain wikiPageWikiLink Cobalt.
- Abyssal_plain wikiPageWikiLink Cold_seep.
- Abyssal_plain wikiPageWikiLink Concretion.
- Abyssal_plain wikiPageWikiLink Consortium.
- Abyssal_plain wikiPageWikiLink Continental_drift.
- Abyssal_plain wikiPageWikiLink Continental_margin.
- Abyssal_plain wikiPageWikiLink Continental_shelf.
- Abyssal_plain wikiPageWikiLink Convection.
- Abyssal_plain wikiPageWikiLink Convergent_boundary.
- Abyssal_plain wikiPageWikiLink Copper.
- Abyssal_plain wikiPageWikiLink Costa_Rica.
- Abyssal_plain wikiPageWikiLink Critical_point_(thermodynamics).
- Abyssal_plain wikiPageWikiLink Crustacean.
- Abyssal_plain wikiPageWikiLink Cusk-eels.
- Abyssal_plain wikiPageWikiLink Deep_sea_communities.
- Abyssal_plain wikiPageWikiLink Deep_sea_fish.
- Abyssal_plain wikiPageWikiLink Deepwater_Horizon_oil_spill.
- Abyssal_plain wikiPageWikiLink Density.
- Abyssal_plain wikiPageWikiLink Depth_sounding.
- Abyssal_plain wikiPageWikiLink Desert.
- Abyssal_plain wikiPageWikiLink Detritus.
- Abyssal_plain wikiPageWikiLink Diel_vertical_migration.