A solution for this is the creation of Bottle reefs. These structures are made of glass bottles that are attached by cement. Not only does this supply substrate for corals to grow on, it also recycles glass bottles that otherwise end up in landfills. The Bottle reefs are placed on sandy patches near the coast. To aid the growth of corals on these bottle reefs, coral fragments from the nurseries and from broken coral branches nearby (corals of opportunity) are placed in the openings of the bottles. In time, these corals will overgrow the Bottle reef structures and a natural coral reef will develop.
In the Wasini channel in Kenya, several large metal structures are placed for reef development and to create an interesting diving area for tourists. These metal structures are placed meters apart, but due to low visibility it is sometimes hard to find all the structures that are overgrown with sponges and occupied by many shrimps, small fish and eels. Bottle reefs are placed in this area to guide divers between the metal structures and to create coral reefs in between. The aim of these reefs is to create reefs to increase biodiversity, but also to create an interesting dive spot that will reduce diving pressure on the nearby Kisite-Mpunguti National Marine Park.
It is possible to sponsor the creation and placement of these Bottle reefs and own your little part of a reef! If you are interested, take a look at ; Get Involved!
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