News

Concrete reefs for corals finally in place in the Koster Sea

All 160 artificial reefs that will save Sweden’s coral reefs are finally in place in the Koster Sea. Launching them has taken longer than expected, since the project was affected by the windy summer weather. Now there will be a few years of anxious waiting before they know whether the experiment has succeeded or not. But until then, the reefs will be a hotel for other marine animals, such as fish, squat lobsters, and sea anemones.

Concrete stars to save Sweden’s coral reefs

Now the concrete reefs are being launched to save Sweden’s coral reefs. 132 star-shaped reef structures will be placed in six locations in the Koster and Väderö fjords. The goal is for small coral larvae to find their way there and start building new living reefs.

Spawn to settling in lab

We have finished up another season of coral spawning (see video below) and experiments with larvae. The larvae have given us a hint on what

Analyses of settling panels

We have now started to retrieve some of the settling panels that now have been sitting on the sea floor for one and a half

Video about the project

A five minutes video introducing the project in English is now available on the webb, under Om projektet. The video was made to an online

The annual spawning event

Right now the corals spawn and release a lot of eggs and sperm in the aquaria at Tjärnö marine laboratory (see also news Coral factory

Deployment of test panels at Tisler reef

For testing the suitability of different substrate types and structures for larval settling we placed several test settling panels out at Tisler reef in Norway.