Kenneth A Kershaw FRSC (1930–2019) von Crittenden, P. D.

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Effects of nitrogen enrichment on phosphatase activity and nitrogen : phosphorus relationships in Cladonia portentosa von Hogan, E. J., Minnullina, G., Smith, R. I., Crittenden, P. D.

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Ammonia emissions from a Cape fur seal colony, Cape Cross, Namibia von Theobald, M. R., Crittenden, P. D., Hunt, A. P., Tang, Y. S., Dragosits, U., Sutton, M. A.

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Nutrient exchange in an Antarctic macrolichen during summer snowfall–snow melt events von CRITTENDEN, P. D.

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Comparative ecophysiology of three Placopsis species, pioneer lichens in recently exposed Chilean glacial forelands von Raggio, J, Green, T. G. A, Crittenden, P. D, Pintado, A, Vivas, M, Pérez-Ortega, S, De los Ríos, A, Sancho, L. G

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Lichen response to ammonia deposition defines the footprint of a penguin rookery von Crittenden, P. D., Scrimgeour, C. M., Minnullina, G., Sutton, M. A., Tang, Y. S., Theobald, M. R.

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Sex and the single lichen von MURTAGH, G. J, DYER, P. S, CRITTENDEN, P. D

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Anthropogenic metal enrichment of snow and soil in north-eastern European Russia von Walker, T R, Young, S D, Crittenden, P D, Zhang, H

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Response of phosphomonoesterase activity in the lichen Cladonia portentosa to nitrogen and phosphorus enrichment in a field manipulation experiment von Hogan, E.J, Minnullina, G, Sheppard, L.J, Leith, I.D, Crittenden, P.D

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Relationships between atmospheric nitrogen inputs and the vertical nitrogen and phosphorus concentration gradients in the lichen Cladonia portentosa von HYVÄRINEN, M., CRITTENDEN, P. D.

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Reproductive systems Sex and the single lichen von Crittenden, P. D, Murtagh, G. J, Dyer, P. S

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Attempted isolation and success in the culturing of a broad spectrum of lichen-forming and lichenicolous fungi von Crittenden, P.D, David, J.C, Hawksworth, D.L, Campbell, F.S

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Regional variation in the chemical composition of winter snow pack and terricolous lichens in relation to sources of acid emissions in the Usa river basin, northeast European Russi... von Walker, T.R, Crittenden, P.D, Young, S.D

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Growth and Nitrogen Relations in the Mat-forming Lichens Stereocaulon paschale and Cladonia stellaris von Kytöviita, M.-M, Crittenden, P.D

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Growth of the cushion-forming lichen, Cladonia portentosa, at nitrogen-polluted and unpolluted heathland sites von Hyvärinen, M, Crittenden, P.D

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Lichen response to ammonia deposition defines the footprint of a penguin rookery von Crittenden, P. D., Scrimgeour, C. M., Minnullina, G., Sutton, M. A., Tang, Y. S., Theobald, M. R.

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Translocation of ¹⁵N indicates nitrogen recycling in the mat-forming lichen Cladonia portentosa von Ellis, C. J., Crittenden, P. D., Scrimgeour, C. M., Ashcroft, C. J.

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Lichen-forming fungi: potential sources of novel metabolites von Crittenden, Peter D., Porter, Neil

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Cation ratios in Cladonia portentosa as indices of precipitation acidity in the British Isles von Hyvarinen, M, Crittenden, P.D

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Breeding systems in the lichen-forming fungal genus Cladonia von Seymour, Fabian A., Crittenden, Peter D., Dickinson, Matthew J., Paoletti, Mathieu, Montiel, Dolores, Cho, Lily, Dyer, Paul S.

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