Citation
Eigenbrod, F., Anderson, B.J., Armsworth, P.R., Heinemeyer, A., Gillings, S., Roy, D.B., Thomas, C.D. & Gaston, K.J. 2010. Representation of ecosystem services by tiered conservation strategies. Conservation Letters 3: 191. doi:10.1111/j.1755-263X.2010.00102.x