Isbell et al. (2017)
Also: Isbell et al. 2017
Linking the influence and dependence of people on biodiversity across scales
Isbell, F., Gonzalez, A., Loreau, M., Cowles, J., DÃaz, S., Hector, A., Mace, G.M., Wardle, D.A., O'Connor, M.I., Duffy, J. Emmett, Turnbull, L.A., Thompson, P.L. & Larigauderie, A. (2017). Linking the influence and dependence of people on biodiversity across scales. Nature. 546(7656),65-72. PDF
https://doi.org/10.1038/nature22899
References
All IPCC definitions taken from Climate Change 2007: The Physical Science Basis. Working Group I Contribution to the Fourth Assessment Report of the Intergovernmental Panel on Climate Change, Annex I, Glossary, pp. 941-954. Cambridge University Press.