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Mapping And Monitoring Of Coral Communities And Their Spatial Patterns Using A Surface-Based Video Method From A Vessel, Bernhard Riegl, Jan L. Korrubel, Charles Martin
Mapping And Monitoring Of Coral Communities And Their Spatial Patterns Using A Surface-Based Video Method From A Vessel, Bernhard Riegl, Jan L. Korrubel, Charles Martin
Marine & Environmental Sciences Faculty Articles
No Abstract Provided.
Degradation Of Reef Structure, Coral And Fish Communities In The Red Sea By Ship Groundings And Dynamite Fisheries, Bernhard Riegl
Degradation Of Reef Structure, Coral And Fish Communities In The Red Sea By Ship Groundings And Dynamite Fisheries, Bernhard Riegl
Marine & Environmental Sciences Faculty Articles
Reef degradation was investigated on 66 Egyptian Red Sea reefs—60 reefs for dynamite damage (using line transects) and six ship grounding sites (using 1 m sample squares). Ship groundings and dynamite fishing caused similar damage, reduction of the reef to rubble (65% of reefs were dynamited, mostly leeward, 58%). Changes in coral (line transect study) and fish communities (point count study) in impacted sites were documented. On impacted reefs, coral cover decreased, bare substratum and rubble increased, and fish dominance shifted away from Pomacentridae. Oceanographic conditions result in a stable pattern of coral communities (windward Acropora, leeward Porites). …