Valdazo, J., M. A. Viera-Rodríguez, F. Espino, R. Haroun, and F. Tuya. “Massive Decline of Cystoseira Abies-Marina Forests in Gran Canaria Island (Canary Islands, Eastern Atlantic)”. Scientia Marina, vol. 81, no. 4, Dec. 2017, pp. 499-07, doi:10.3989/scimar.04655.23A.