Reference

Halpern BS, Walbridge S, Selkoe KA, Kappel CV, Micheli F, D’Agrosa C et al. (2008). A global map of human impact on marine ecosystems. Science 319(5865):948–952.
Stelzenmüller V, Coll M, Mazaris AD, Giakoumi S, Katsanevakis S, Portman ME et al. (2018). A risk-based approach to cumulative effect assessments for marine management. Science of the Total Environment 612:1132–1140.