Underwood CN, Davies TW & Queirós AM (2017). Artificial light at night alters trophic interactions of intertidal invertebrates. Journal of Animal Ecology 86(4):781–789.
United Nations (2017). The first global integrated marine assessment: world ocean assessment I 2017, Cambridge University Press, Cambridge.
Unsworth RFK & Cullen-Unsworth LC (2014). Biodiversity, ecosystem services, and the conservation of seagrass meadows. Coastal Conservation 19:95.
Ushiama S, Mayer-Pinto M, Bugnot AB, Johnston EL & Dafforn KA (2019). Eco-engineering increases habitat availability and utilisation of seawalls by fish. Ecological Engineering 138:403–411.