Response of phosphomonoesterase activity in the lichen Cladonia portentosa to nitrogen and phosphorus enrichment in a field manipulation experiment.
Hogan
E J
EJ
School of Biology, University of Nottingham, Nottingham NG7 2RD, UK.
Minnullina
G
G
School of Biology, University of Nottingham, Nottingham NG7 2RD, UK.
Sheppard
L J
LJ
Centre for Ecology and Hydrology, Edinburgh Research Station, Bush Estate, Penicuik, Midlothian EH26 0QB, UK.
Leith
I D
ID
Centre for Ecology and Hydrology, Edinburgh Research Station, Bush Estate, Penicuik, Midlothian EH26 0QB, UK.
Crittenden
P D
PD
School of Biology, University of Nottingham, Nottingham NG7 2RD, UK.