The ability to recognise seagrass. Seagrass Spotter has an online guide to identifying the different seagrass species.
This is an ongoing project which you can take part in as an individual wherever you are around the coast.
Seagrass is a threatened habitat which not only provides a home for many other species but alse helps to mitigate the harmful effects of climate change.
Seagrass Spotter participants have located previously unknown seagrass beds around the UK and abroad.