Latitudinal variation in plant chemical defences drives latitudinal patterns of leaf herbivory

@article{Moreira2018LatitudinalVI,
  title={Latitudinal variation in plant chemical defences drives latitudinal patterns of leaf herbivory},
  author={Xoaqu{\'i}n Moreira and Bastien Castagneyrol and Luis Abdala‐Roberts and Jorge C. Berny‐Mier y Ter{\'a}n and B.G.H. Timmermans and Hans Henrik Bruun and Felisa Covelo and Ga{\'e}tan Glauser and Sergio Rasmann and Ayco J. M. Tack},
  journal={Ecography},
  year={2018},
  volume={41},
  pages={1124–1134}
}
A long-standing paradigm in ecology holds that herbivore pressure and thus plant defences increase towards lower latitudes. However, recent work has challenged this prediction where studies have found no relationship or opposite trends where herbivory or plant defences increase at higher latitudes. Here we tested for latitudinal variation in herbivory, chemical defences (phenolic compounds), and nutritional traits (phosphorus and nitrogen) in leaves of a long-lived tree species, the English oak… 

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