Contributions are welcome in the field of:
a) Global scale vegetation dynamics and feedback with climate dynamics
b) Interaction between vegetation feedbacks on a local scale and global scale feedbacks
c) Global and continental scale anthropogenic land cover change, past, present, future
d) Lifespan of the biosphere, astrobiology
e) Concepts and simplified models of climate-ecosystem feedbacks
f) Comprehensive dynamic global ecosystem models
h) Global data sets for feedbacks assessment