The Cold Deep Sea - 957 Words

Cold water corals form reef structures in the cold deep sea are often defined as self-sustaining biogenic reef frameworks and can be found in any ocean around the world at different depths (Roberts, 2005; Davies and Guinotte, 2011). Reefs are patchy distributed on the sea floor and can develop forming impressive solid structures. These can fairly extend forming complex deep-sea habitats and shaping niches for many different marine species. These frameworks constitute thus a very specific ecosystem, offering different types of habitats (Buhl-Mortensen et al., 1995; Freiwald et al., 2004; Buhl-Mortensen et al., 2010) to different marine organisms. These reefs are thus important hotspots of biodiversity (Roberts et al., 2006) and have a key role in the carbon cycle in the deep sea (Roberts et al., 2006; Thiem et al., 2006). In the North East Atlantic, Lophelia pertusa, a scleractinian cold-water coral, is the dominating reef forming species. Several symbiotic relations (among 1300 species; Roberts et al, 2006) have been observed in different studies (Buhl-Mortensen and Buhl-Mortensen, 2004; Roberts, 2005) between scleractinian cold-water corals and different invertebrate organisms. However, the degree of these relationships is still not enough defined and poorly understood (Buhl-Mortensen and Buhl-Mortensen, 2004; Roberts et al., 2009). An example was reported by Roberts (2005) who described a symbiotic relationship between the cold- water coral, Lophelia pertusa, and theShow MoreRelatedThe Effects Of Oceans On The Climate System1340 Words   |  6 Pagesmove an extensive amount of heat across the planet in the same amount as the atmosphere. The difference is the oceans are confined by land masses so its heat is channeled into specific regions. Ocean currents are located at the surface and 300 meters d eep below the water. 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