Difference between revisions of "Reef"
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{{Definition|title=Reef | {{Definition|title=Reef | ||
|definition= | |definition= | ||
| − | Reefs are hard mineral substrates such as rocks, till, or stones, primarily moraine ridges with block and stone cover in gravel/sandy surroundings, which rise mildly to prominently above the seafloor;<ref name= "Theart">[[Threats_to_cold_water_coral_reefs%2C_sand_banks_and_seagrass_habitats_in_the_North_Sea_by_climate_change_effects:_sea_level_rise%2C_temperature_rise_and_storm_surges | Theseus wiki]]</ref>. | + | Reefs are hard mineral substrates such as rocks, till, or stones, primarily moraine ridges with block and stone cover in gravel/sandy surroundings, which rise mildly to prominently above the seafloor;<ref name= "Theart">[[Threats_to_cold_water_coral_reefs%2C_sand_banks_and_seagrass_habitats_in_the_North_Sea_by_climate_change_effects:_sea_level_rise%2C_temperature_rise_and_storm_surges | Theseus wiki:hreats to cold water coral reefs]]</ref>. |
* biogenic hard substrates such as honeycomb (Sabellaria) reefs and mussel banks are present; | * biogenic hard substrates such as honeycomb (Sabellaria) reefs and mussel banks are present; | ||
* they are permanently submerged; | * they are permanently submerged; | ||
* often they are overgrown with mussels and a characteristic macrofauna. | * often they are overgrown with mussels and a characteristic macrofauna. | ||
| − | Reefs can be both natural and artificial<ref>[[Artificial_reefs]]</ref>. | + | Reefs can be both natural and artificial in origin<ref>[[Artificial_reefs| Theseus wiki: Artificial reefs]]</ref>. |
Reefs have a number of ecological functions:<ref name= "Theart"/> | Reefs have a number of ecological functions:<ref name= "Theart"/> | ||
Revision as of 08:46, 17 July 2012
Definition of Reef:
Reefs are hard mineral substrates such as rocks, till, or stones, primarily moraine ridges with block and stone cover in gravel/sandy surroundings, which rise mildly to prominently above the seafloor;[1].
Reefs can be both natural and artificial in origin[2]. Reefs have a number of ecological functions:[1]
This is the common definition for Reef, other definitions can be discussed in the article
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