Ecological Archives E096-231-A2
Qinfeng Guo, Songlin Fei, Jeffrey S. Dukes, Christopher M. Oswalt, Basil V. Iannone Iii, and Kevin M. Potter. 2015. A unified approach for quantifying invasibility and degree of invasion. Ecology 96:2613–2621. http://dx.doi.org/10.1890/14-2172.1
Appendix B. An example of applications of the proposed DI metric based on data from various sources: Blue - northern California coastal grassland; Brown - North Coast Range, California; Pink - northern Great Plains; Black - California chaparral; Green – mountain/desert shrub lands and wetlands. For detailed descriptions about the data, see Guo, Q.F., and A. Symstad. 2008. A two-part measure of degree of invasion for cross-community comparisons. Conservation Biology 22:666–672.