Sandra Lavorel's Special Feature on ecosystem services is available to access, for free, online via http://onlinelibrary.wiley.com/doi/10.1111/jec.2012.101.issue-1/issuetoc.

Music credit:

[Cirus Marcus](http://freemusicarchive.org/music/CIRCUSMARCUS/) -

(http://freemusicarchive.org/music/CIRCUSMARCUS/Aux_puces/Circus_Marcus_-_Aux_puces_n5)