Regeneration of a keystone semiarid shrub over its range in Spain: habitat degradation overrides the positive effects of plant–animal mutualisms

1. Rey, P.J.
2. Cancio, I.
3. Manzaneda, A.J.
4. González-Robles, A.
5. Valera, F.
6. Salido, T.
7. Alcántara, J.M.