Edwards, G. R., H. Clark, and P. C. D. Newton. 2001. The effects of
elevated CO2 on seed production and seedling recruitment in a
sheep-grazed pasture. Oecologia 127:383-394.
http://link.springer.de/link/service/journals/00442/contents/00/00602/
Edwards, G. R., P. C. D. Newton, J. C. Tilbrook, and
H. Clark. 2001. Seedling performance of pasture species under elevated
CO2. New Phytologist 150(2):359-369.
Newton, P. C. D., H. Clark, and G. R. Edwards. 2001. The effect of
climate change on grazed grasslands, pp. 297-311 in Structure and
Function of Agroecosystem Design and Management (Shiyomi, M., and
H. Kozumi, eds.). CRC Press, Boca Raton, Florida, USA.