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Forest CO2 flux has become a hot issue and larch forest ecosystems in the northern hemisphere are very suitable for this study. Larch (Larix gmelinii) forests broadly distributed in Northeast China are important parts of global larch forests. Their function in the global warming process needs to be elucidated. This book is a conspectus of four years ((2001-2004) study of a larch plantation at Laoshan station, Exerimental Forestry Farm of Northeast Forestry University. Functions of dominant canopy heterogeneous shoots and understory shrubs and grasses, respiratory CO2 efflux from leaves, stem, branch, cone and different elements of soil (soil mircrobes, litters and roots) were measured in a long-term monitoring and the inter-species difference of soil and stem respiration between larch and accompanying species of birch, mandshurica sh, Korean pine and Scots pine were also emphasized. On this data base, larch biomass and productivity as well as gas exchange data from eddy covariance method were analyzed to estimate the carbon sink capacity of the larch plantation. 11 chapters are included in this book. It will be a reference for studying carbon balance of forest ecosystems by methods of gas exchanges, biomass summation and tower monitoring by eddy covariance method. Researcher and graduates focusing on forest ecology, tree ecophysiology and global warming will be the audience of this book.

Foreword to the Series
Foreword
Preface
Chapter 1 General Introduction
Chapter 2 Study Sites
Chapter 3 Function of Larch Canopy
Chapter 4 Respiration of Stem
Chapter 5 Respiration of Branch and Cone
Chapter 6 Respiration from Soil
Chapter 7 Photosynthesis of Understories
Chapter 8 CO2 Flux by Eddy Covariance Estimation
Chapter 9 Biomass and Productivity
Chapter 10 General Discussion on Carbon Budget
Chapter 11 Conclusions
Abbreviations
References

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