R. Hughes

Acid fog and ozone: Their possible role in birch deterioration around the Bay of Fundy, Canada

R. Cox, J. Spavold-Tims, R. Hughes, 1989 .

CHANGES IN ACID PRECIPITATION-RELATED WATER CHEMISTRY OF LAKES FROM SOUTHWESTERN NEW BRUNSWICK, CANADA, 1986–2001

T. Clair, J. Choate, R. Hughes, 2003, Environmental monitoring and assessment.

Acidic fog and temperature effects on stigmatic receptivity in two birch species

R. Cox, R. Hughes, 1994 .

Sampling Ozone Exposure of Canadian Forests at Different Scales: Some Case Studies

R. Cox, J. Malcolm, R. Hughes, 2001, TheScientificWorldJournal.

Nutrient conditions for different levels of ecological status and biological quality in surface waters (Phase 1). R&D Technical Report P2-260/4.

Jessica Winder, Laurence Carvalho, Don Monteith, 2002 .