1. Ainsworth EA, Long SP (2005) What have we learned from 15 years of free-air CO2 enrichment (FACE)? A meta-analytic review of the responses of photosynthesis, canopy properties and plant production to rising CO2? New Phytol 165:351–372
2. Allan GE, Southgate RI (2002) Fire regimes in the spinifex landscapes of Australia. In: Bradstock RA, Williams JE, Gill MA (eds) Flammable Australia: the fire regimes and biodiversity of a continent. Cambridge University Press, Cambridge, pp 145–176
3. Archer S, Schimel DS, Holland EA (1995) Mechanisms of shrubland expansion: landuse, climate or CO2? Clim Change 29:91–99
4. Archer S, Boutton TW, Hibbard KA (2000) Trees in grasslands: biogeochemical consequences of woody plant expansion. In: Schulze E-D, Harrison SP, Heimann M, Holland EA, Lloyd J, Prentice IC, Schimel D (eds) Global biogeochemical cycles in the climate system. Academic Press, San Diego, pp 115–137
5. Ash J (1983) Tree rings in tropical Callitris macleayana F. Muell. Aust J Bot 31:277–281