Substrate Addition - Artificial reef — Gulf of Eilat

OPP-M1SYX3permanent identifier · cite as oceanportfolio.org/p/OPP-M1SYX3

Published as: Can a small artificial reef reduce diving pressure from a natural coral reef? | Technique: Substrate Addition - Artificial reef | Genera: Acropora, Stylophora, Pocillopora, Dendronephthya and others | Method: Deploying artificial reef in area with extremely high densities of scuba diving tourists. Six large (4 x 4 x 4m) concrete units were deployed on sandy bottom, and left for 5 months, before coral transplants were attached in pre drilled holes. Diving groups were followed before and after deployment, immediately following coral transplantation and two years post deployment, and time spent on the artificial reef was compared to time spent inside the adjacent marine park, and a nearby coral outcrop… | Post-restoration monitoring: 24 months | Authors' conclusion: The deployment of the artificial reefs did not change the visitation rates inside the marine reserve or adjacent coral bommie, either for certified or uncertified divers in training. However, the duration of dives inside the MPA were reduced for instructor-lead dives. | Lessons reported: An artificial reef in close proximity to an otherwise attractive dive site (e.g MPA) must be sufficiently large and attractive to encourage instructors/guides/divers to divert their time to it. However, an attractive artificial reef further away from the MPA may completely divert divers away from the MPA. The authors further suggest that the location of artificial dive sites should be discussed w… | This record was compiled from a published source and has not been confirmed by the organisation that carried out the work. No contribution to the condition index is recorded: the source reports survival of transplanted material, which is not a measure of ecosystem condition.

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