The damage control side is definitely important - swapping out those brutal anchor systems stops the bleeding - but there's actually active restoration happening too. They're not just waiting for seagrass to magically grow back. Teams in Dorset have been replanting shoots in areas that got hammered, basically gardening underwater. They collect healthy shoots from less damaged patches, fragment them, and anchor them into the seabed in the degraded zones. It takes patience since seagrass grows slowly, but the encouraging results people are mentioning seem to come from spots where this replanting's been done alongside the mooring upgrades.
One practical angle that doesn't always get mentioned: they're also mapping out which areas get the worst anchor damage and using that data to literally close off certain zones during peak boating season. It's low-tech but effective - rope barriers and seasonal restrictions keep boats out of the most vulnerable meadows while regrowth happens. Combined with the fixed moorings in other spots, it creates a kind of rotation system where some beds get breathing room while others stay accessible for mooring.
The real win seems to be that seagrass is tougher than people expect once you stop actively destroying it. Once the anchor traffic stops and they've got some replanted shoots establishing themselves, natural recovery picks up speed. So it's not one magic solution but a combo: stop the damage with better mooring infrastructure, actively replant in the worst areas, and tactically restrict access where it matters most.