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An investigation of the effect of lead and zinc upon the production and relative competitive ability of the grasses agrostis stolonifera, festuca ovina and festuca rubra with reference to their distribution in Upper Teesdale

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Abstract

Durham E-Theses An investigation of the effect of lead and zinc upon the production and relative competitive ability of the grasses agrostis stolonifera, festuca ovina and festuca rubra with reference to their distribution in Upper Teesdale Sanderson, P.L. How to cite: Sanderson, P.L. (1974) An investigation of the effect of lead and zinc upon the production and relative competitive ability of the grasses agrostis stolonifera, festuca ovina and festuca rubra with reference to their distribution in Upper Teesdale, Durham theses, Durham University. Available at Durham E-Theses Online: http://etheses.dur.ac.uk/8913/ Use policy The full-text may be used and/or reproduced, and given to third parties in any format or medium, without prior permission or charge, for personal research or study, educational, or not-for-profit purposes provided that: • a full bibliographic reference is made to the original source • a link is made to the metadata record in Durham E-Theses • the full-text is not changed in any way The full-text must not be sold in any format or medium without the formal permission of the copyright holders. Please consult the full Durham E-Theses policy for further details. Academic Support Office, Durham University, University Office, Old Elvet, Durham DH1 3HP e-mail: [email protected] Tel: +44 0191 334 6107 http://etheses.dur.ac.uk 2 AN INVESTIGATION OF THE EFFECT OF LEAD AND ZINC UPON THE PRODUCTION AND RELATIVE COMPETITIVE ABILITY OF: THE GRASSES AGROSTIK STOLONIFERA, FESTUCA OVINA AND FESTUCA RUBRA WITH REFERENCE TO THEIR DISTRIBUTION IN UPPER TEESDALE by P. L. SANDERSON being a dissertation submitted as part of the requirements for the degree of M.Sc. ACKNOWLEDGEMENTS I am grateful to the National Environment Research Council for their award of a studentship. Thanks are due to Drr David Bellamy for his inspiration. Finally, thanks to Diana for always having the aeal.s ready J TABLE OF CONTENT

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