Seahorse recovery threatened by changing weather patterns
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Volunteers in Studland Bay, Dorset, England, have observed increasing numbers of seahorses following habitat recovery efforts, but experts worry that more severe storms could damage the seagrass meadows vital to the creatures’ survival.
The Seahorse Trust and the Studland Bay Marine Partnership have worked to restore seagrass, a marine plant that prevents seabed erosion, and introduced eco-moorings to protect it from boat damage.
Divers have reported frequent seahorse sightings this summer, after a period where they were rarely seen, especially during pandemic lockdowns when boat traffic decreased. However, this positive trend is threatened by predictions of more intense winter storms linked to the developing El Niño weather pattern. Studland Bay’s location offers some protection from prevailing winds, but easterly storms can damage the shallow seagrass meadows where seahorses breed.
Healthy seagrass is essential for seahorses during their breeding cycle, as they retreat to deeper waters in the winter. Researchers at the University of Southampton are monitoring the situation, and volunteers continue to survey the bay under strict conditions designed to protect the seahorses. Currently, 87 eco-moorings are in place, with plans for expansion, but the long-term impact of increasingly severe weather on the bay’s fragile ecosystem remains a concern.
