The measurement of methane losses from grazing animals

Bakken, 1994, Energy use and emission of greenhouse gases from grassland agriculture systems, 361 Bouwman, 1990, Soils and the Greehouse Effect, 575 Crutzen, 1991, Methane sinks and sources, Nature (London), 350, 380, 10.1038/350380a0 Denmead, 1994, Measuring fluxes of CH4 and N2O between agricultural systems and the atmosphere, 209 IPPC, 1992, Climate Change, 365 Jarvis, 1991, Losses of methane and ammonia from grassland production systems, 131 Jarvis, 1994, Methane emission from dairy farming systems, 218 Jarvis, 1994, Greenhouse gas emissions from intensive livestock systems: their estimation and technologies for reduction, Climatic Change, 30, 1 Jarvis, 1994, Preliminary studies of the exchanges of methane between grassland and the atmosphere, 408 Kirchgessner, 1991, Release of methane and carbon dioxide by dairy cattle, Agrobiol. Res., 44, 2 Leng, 1991 Lockyer, 1984, A system for the measurement in the field of losses of ammonia through volatilisation, J. Sci. Food & Agric., 35, 837, 10.1002/jsfa.2740350805 MAFF, 1993 Moe, 1979, Methane production in dairy cows, J. Dairy Sci., 62, 1583, 10.3168/jds.S0022-0302(79)83465-7 Moss, 1993, Methane: Global Warming and Production by Animals, 105 Rodhe, 1990, A comparison of the contribution of various gases to the greenhouse effect, Science, 248, 1217, 10.1126/science.248.4960.1217 Shibita, 1994, Methane production in ruminants, 105 Steele, 1992, Slowing down of the global accumulation of atmospheric methane during the 1980s, Nature (London), 358, 313, 10.1038/358313a0 Watt Committee on Energy, 1993, 171