Creating stocks of young colonies from brooding coral larvae, amenable to active reef restoration
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Published source details
Linden B. & Rinkevich B. (2011) Creating stocks of young colonies from brooding coral larvae, amenable to active reef restoration. Journal of Experimental Marine Biology and Ecology, 398, 40-46.
Published source details Linden B. & Rinkevich B. (2011) Creating stocks of young colonies from brooding coral larvae, amenable to active reef restoration. Journal of Experimental Marine Biology and Ecology, 398, 40-46.
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This study is summarised as evidence for the following.
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Cultivate coral larvae in an artificial nursery located in a natural habitat Action Link |
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Cultivate corals in an ex-situ nursery Action Link |
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Cultivate coral larvae in an artificial nursery located in a natural habitat
A study (years not given) at an artificial coral nursery in a natural habitat in Eilat, Israel (Linden & Rinkevich 2011) reported that the majority of stony coral Stylophora pistillata spat (settled larvae) cultivated in artificial nurseries in a natural habitat survived. Four months after being placed in artificial nurseries, 428 of 480 spat (89%) survived and began to form 3D structures. Larvae collected from wild-growing colonies of Stylophora pistillata were taken to a laboratory and placed in settlement containers (petri dishes containing paper discs). At the age of 1–2 months, 480 spat were individually glued onto plastic pins placed in trays (45 × 32 cm) made of PVC pipes and plastic netting (0.5-cm2 mesh). Trays were attached to the coral nursery, located ith cable ties and covered with white plastic nets (1-cm2 mesh). Algae and encrusting invertebrates were removed from trays monthly. Each tray was photographed monthly (dates not given) to monitor spat mortality and growth.
(Summarised by: Anna Berthinussen)
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Cultivate corals in an ex-situ nursery
A replicated study (years not given) in a laboratory in Eilat, Israel (Linden & Rinkevich 2011) found that cultivating stony coral Stylophora pistillata larvae in lidded petri dishes containing two paper discs submerged in seawater led to higher settlement rates than cultivating larvae in open petri dishes containing one paper disc placed in a humidity chamber, and mortality rates did not differ between treatments. On average, a greater percentage of larvae settled in lidded petri dishes containing two paper discs submerged in seawater (60ؘ–63%) than in open petri dishes with one paper disc placed in a humidity chamber (45%). Larval mortality rates did not differ significantly between treatments (lidded dishes: 19–23%; open dishes: 27%). Adding silicone plugs to lidded dishes did not have a significant effect on larval settlement or mortality rates (see original paper). Larvae collected from wild-growing colonies of Stylophora pistillata were placed in 24–30 petri dishes (9 ×1.5 cm; 1–69 larvae/dish) for each of three treatments. Treatments consisted of open dishes fitted with one paper disc (in the bottom) placed in a humidity chamber; and lidded dishes, with and without silicone plugs, fitted with two paper discs (in the top and bottom) submerged in a flow-through seawater table. Discs (made from polyester, double-sided matte paper) were submerged in seawater for at least two months prior to the experiments. After each of two 48-h periods, paper discs were removed and spat (settled larvae) counted. Mortality rates were calculated at the end of the experiment.
(Summarised by: Anna Berthinussen)
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