PART I Climate Change and Ecosystems Chapter 1 Interaction between Climate Change and Greenhouse Gas Emissions from Managed Ecosystems in Canada ............................................ 3 J.S.Bhatti, M.J.Apps, and R.Lal Chapter 2 The Science of Changing Climates ............................................ 17 H.Hengeveld Chapter 3 Impact of Climate Change on Agriculture, Forestry, and Wetlands ............. 45 L.D.Mortsch PART II Managed Ecosystems — State of Knowledge Chapter 4 Anthropogenic Changes and the Global Carbon Cycle ........................... 71 Chapter 5 Plant/Soil Interface and Climate Change: Carbon Sequestration from the Production, Perspective ..................................................... 93 G.Hoogenboom Chapter 6 Carbon Dynamics in Agricultural Soils ...................................... 127 R.Lal Chapter 7 Plant Species Diversity: Management Implications for Temperate Pasture Production ......................................................... 149 M.A.Sanderson Chapter 8 Net Ecosystem Carbon Dioxide Exchange over a Temperate, Short-Season Grassland: Transition from Cereal to Perennial Forage ...................... 163 V.S.Baron, D.G.Young, W.A.Dugas, P.C.Mielnick, C.La Bine, R.H.Skinner, and J.Casson Chapter 9 Forests in the Global Carbon Cycle: Implications of Climate Change ......... 175 M.J.Apps, P.Y.Bernier, and J.S.Bhatti Chapter 10 Peatlands: Canada's Past and Future Carbon Legacy .......................... 201 D.H.Vitt Chapter 11 Linking Biomass Energy to Biosphere Greenhouse Gas Management .............. 217 D.B.Layzell and J.Stephen Chapter 12 Ruminant Contributions to Methane and Global Warming - A New Zealand Perspective .................................................. 233 G.C.Waghorn and S.L.Woodward Chapter 13 Strategies for Reducing Enteric Methane Emissions in Forage-Based Beef Production Systems ......................................................... 261 K.H.Ominski and K.M.Wittenberg Chapter 14 Mitigating Environmental Pollution from Swine Production ................... 273 A.L.Sutton, B.T.Richert, and B.C.Joern Chapter 15 Diet Manipulation to Control Odor and Gas Emissions from Swine Production ........................................................... 295 O.G.Clark, S.Moehn, J.D.Price, Y.Zhang, W.C.Sauer, B.Morin, J.J.Feddes, J.J.Leonard, J.K.A.Atakora, R.T.Zijlstra, I.Edeogu, and R.O.Ball PART III Knowledge Gaps and Challenges Chapter 16 Identifying and Addressing Knowledge Gaps and Challenges Involving Greenhouse Gases in Agriculture Systems under Climate Change ............... 319 D.Burton and J.Sauve Chapter 17 Knowledge Gaps and Challenges in Forest Ecosystems under Climate Change: A Look at the Temperate and Boreal Forests of North America ........ 333 P.Y.Bernier and M.J.Apps Chapter 18 Knowledge Gaps and Challenges in Wetlands under Climate Change in Canada .................................................................. 355 B.G.Warner and T.Asada PART IV Economics and Policy Issues Chapter 19 Economics of Forest and Agricultural Carbon Sinks .......................... 375 G.C. van Kooten PART V Summary and Recommendations Chapter 20 Impacts of Climate Change on Agriculture, Forest, and Wetland Ecosystems: Synthesis and Summary ...................................................... 399 J.M.R.Stone, J.S.Bhatti, and R.Lal Chapter 21 Climate Change and Terrestrial Ecosystem Management: Knowledge Gaps and Research Needs ............................................................. 411 I.E.Bauer, M.J.Apps, J.S.Bhatti, and R.Lal Index ...................................................................... 427