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