Search Results - "Mason, C.F."

An assessment of the total external costs of UK agriculture by Pretty, J.N., Brett, C., Gee, D., Hine, R.E., Mason, C.F., Morison, J.I.L., Raven, H., Rayment, M.D., van der Bijl, G.

“…This trans-disciplinary study assesses total external environmental and health costs of modern agriculture in the UK. A wide range of datasets have been…”
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Importance of management on the distribution and abundance of Staphylinidae (Insecta: Coleoptera) on coastal grazing marshes by Hofmann, T.A., Mason, C.F.

“…A combination of survey/multivariate analysis and field experiment was used to examine the importance of management variables in determining the distribution…”
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Mercury, cadmium and lead concentrations in five species of freshwater fish from eastern England by Barak, N A, Mason, C F

“…A total of 146 samples of five species of fish were examined between March and November 1986 in four sites from the Rivers Brett and Chelmer in eastern…”
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Mercury, cadmium and lead in eels and roach: the effects of size, season and locality on metal concentrations in flesh and liver by Barak, N A, Mason, C F

“…Mercury, cadmium and lead were measured in the liver and flesh of 885 eels and 338 roach collected from four sites on the Rivers Brett and Chelmer, eastern…”
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Spatial and seasonal variation in heavy metals in the sediments and biota of two adjacent estuaries, the Orwell and the Stour, in eastern England by WRIGHT, P, MASON, C. F

“…A study was made of the concentrations of the elements As, Cd, Cu, Hg, Mn, Ni, Pb and Zn in the sediments and biota of two adjacent estuaries, the Orwell and…”
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Organochlorine pesticide residues and PCBs in otters (Lutra lutra) from Ireland by Mason, C.F. (University of Essex, Colchester, UK), O'Sullivan, W.M

“…Carcasses of 11 female and 22 male otters (Lutra lutra) collected in Eire over the period 1984-90 were analysed for organochlorine pesticides and…”
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Long-term trends in water quality and their impact on macroinvertebrate assemblages in eutrophic lowland rivers by Parr, L.B., Mason, C.F.

“…Long-term trends in water quality in eutrophic lowland rivers in eastern England were investigated and their impact on macroinvertebrate assemblages studied…”
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Agri-environment schemes and butterflies: the utilisation of 6 m grass margins by Field, R.G., Gardiner, T., Mason, C.F., Hill, J.

“…The utilisation of 6 m countryside stewardship scheme (CSS) grass margins by butterflies was studied at two farms in Essex between 1997 and 2000. The aim of…”
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Reduction in photosynthetic efficiency of Cladophora glomerata, induced by overlying canopies of Lemna spp by Parr, L.B, Perkins, R.G, Mason, C.F

“…The duckweeds Lemna minor L. and L. minuscula Herter reduced PSII quantum efficiency ( F q′/ F m′) of the filamentous green alga Cladophora glomerata Kützing…”
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Deconstruction of the chemical effects of road salt on stream water chemistry by Mason, C.F, Norton, S.A, Fernandez, I.J, Katz, L.E

“…The chemistry of a first-order stream in Amherst, ME, with a catchment area of 103 ha has been strongly altered as a result of road salt application at a rate…”
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The role of herbicides in the erosion of salt marshes in eastern England by Mason, C.F, Underwood, G.J.C, Baker, N.R, Davey, P.A, Davidson, I, Hanlon, A, Long, S.P, Oxborough, K, Paterson, D.M, Watson, A

“…Herbicide run-off stresses saltmarsh diatoms and higher plants and may increase erosion. Laboratory studies and field trials were conducted to investigate the…”
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Decline in PCB levels in otters ( Lutra lutra) by Mason, C.F.

“…A decline in total PCB levels in tissues of otters ( Lutra lutra) from England and Wales, averaging 8% per year over the period 1983–1992, is reported. Mean…”
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Cytochromes P450, P420 & mixed-function oxidases as biomarkers of polychlorinated biphenyl (PCB) exposure in harbour seals ( Phoca vitulina) by Troisi, G.M., Mason, C.F.

“…Hepatic microsomal cytochrome P450, EROD and ECOD activity were investigated as biomarkers of PCB exposure in harbour seals ( Phoca vitulina). Due to the…”
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Mitigating the Tragedy of the Commons through Cooperation: An Experimental Evaluation by Mason, Charles F., Phillips, Owen R.

“…In a commons, each firm's costs rise with industry output. This externality can be mitigated if firms jointly restrict harvests, but higher prices result…”
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PCB congeners, DDE, dieldrin and mercury in eggs from an expanding colony of cormorants ( Phalacrocorax carbo) by Mason, C.F., Ekins, G., Ratford, J.R.

“…PCB congeners, DDE, dieldrin and Hg were determined in 21 eggs and a young chick from an expanding colony of cormorants in eastern England. Levels of all…”
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Habitat use by Lapwings and Golden Plovers in a largely arable landscape by Mason, C.F., Macdonald, S.M.

“…Numbers and habitat preferences of breeding Lapwings and of wintering Lapwings and Golden Plovers were studied over three years in a largely arable district of…”
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Spatial aspects of pollution control when pollutants have synergistic effects : evidence from a differential game with asymmetric information by LIST, J.A, MASON, C.F

“…An asymmetric information differential game is utilized to explore the normative issue: should environmental regulations be carried out locally or centrally?…”
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PCBs and organochlorine pesticide residues in otters (Lutra lutra) and in otter spraints from SW England and their likely impact on populations by Mason, C F, Macdonald, S M

“…PCB and organochlorine pesticide residues were determined in otter (Lutra lutra) spraints (faeces) from nine catchment regions in SW England over the period…”
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Impact of organochlorine pesticide residues and PCBs on otters (Lutra lutra): a study from western Britain by Mason, C F, Macdonald, S M

“…A study of otter (Lutra lutra) populations and levels of organochlorine (OC) pesticide residues and PCBs in otter droppings (spraints) was made on eight…”
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Organochlorine pesticide residues and PCBs in Danish otters (Lutra lutra) by Mason, C F, Madsen, A B

“…Tissues (71 liver, 2 muscle) of 73 otters found dead in Denmark between 1980 and 1990 were analyzed for organochlorine pesticide residues and PCBs. Geometric…”
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