<p>Contents</p><p>1. Introduction to Physical, Physiological and Causal Forest Ecology </p><p>2. The Approach to Construct and Test the Theory of Forest Ecology</p><p>3. Environmental Factors</p><p>3.1 Properties of Environment</p><p>3.2 Diurnal Cycle in Environmental Factors</p><p>3.3 Annual Cycle of Environmental Factors</p><p>3.4 Environmental Factors Inside a Canopy</p><p>Annex: Annual Cycle of Radiation</p><p>4. Processes in Living Structures</p><p>4.1 Structure of Vegetation</p><p>4.1.1 Cellular Level</p><p>4.1.2 Tissues</p><p>4.1.3 Organs</p><p>4.1.4 Individual</p><p>4.1.5 Stand</p><p>4.2 Vegetation Processes</p><p>4.2.1 Annual Cycle of Processes</p><p>4.2.2 Photosynthesis and Transpiration</p><p>4.2.3 Respiration</p><p>4.2.4 Senescence</p><p>4.2.5 Uptake of Water and Nutrients by Roots</p><p>4.2.6 Bud Burst Phenology</p><p>4.2.7 Shoot Elongation</p><p>4.2.8 Nox Exchange of Needles</p><p>4.3 Structure of Forest Soil</p><p>4.3.1 Mineral Soil</p><p>4.3.2 Soil Organic Matter</p><p>4.3.3 Soil Structure, Water and Air</p><p>4.3.4 Soil Organisms</p><p>4.3.5 Soil Horizons and Distribution</p><p>4.4 Processes in Soil</p><p>4.4.1 General Considerations About Processes in Soil</p><p>4.4.2 Ion Exchange and Retention</p><p>4.4.3 Decomposition of Soil Organic Matter</p><p>4.4.4 Nitrogen Processes in Soil</p><p>4.5 Forest Animals</p><p>Annex: Transport</p><p>5. Fluxes of Carbon, Water and Nutrients</p><p>5.1 Water and Sugar Transport in Trees</p><p>5.1.1 Introduction</p><p>5.1.2 Upward Flow of Water in Xylem</p><p>5.1.3 Assimilate Transport in Phloem</p><p>5.2 Water Dynamics in Forest Soil</p><p>5.3 Carbon Dioxide in Soil</p><p>5.4 Co2, Water Vapour and Energy Fluxes Between Forest Ecosystem and Atmosphere</p><p>5.4.1 Structural, Metabolic and Physical Background of the Fluxes</p><p>5.4.2 Processes Generating Co2 and Water Vapour Fluxes Between Ecosystems and the Atmosphere</p><p>5.4.3 Co2 and Water Vapour Fluxes Between Forest Ecosystem and the Atmosphere</p><p>5.4.4 Energy Fluxes Within and Over Forest</p><p>5.5 Statistical Analysis of the Daily Photosynthetic Production of Coniferous Canopies Consistent with Process Knowledge</p><p>5.6 Annual Energy, Carbon, Nitrogen, Water and Ion Fluxes and Amounts at SMEAR II</p><p>6. Structural Regularities in Trees</p><p>6.1 Functional Basis of the Regularities in Tree Structure</p><p>6.2 Tree Structure as Balanced Water Transport System</p><p>6.3 Nitrogen Concentration in Leaves, Wood and Fine Roots in Scots Pine</p><p>7. Dynamics of Carbon and Nitrogen Fluxes and Pools in Forest Ecosystem</p><p>7.1 Structural, Metabolic and Evolutionary Basis of Ecosystem Development</p><p>7.2 Quantification of Carbon and Nitrogen Dynamics: Ecosystem Model Microforest</p><p>7.2.1 Trees</p><p>7.2.2 Growth of Ground Vegetation</p><p>7.2.3 Carbon and Nitrogen Dynamics in Soil</p><p>7.2.4 Connections Between Trees, Ground Vegetation and Soil</p><p>7.3 Carbon and Nitrogen Dynamics in Forest Ecosystem Around SMEAR II</p><p>7.3.1 Field Measurements</p><p>7.3.2 Parameter Values</p><p>7.3.3 Simulation of the Forest Ecosystem Around SMEAR II</p><p>7.3.4 Evaluation of the Simulations At SMEAR II</p><p>7.4 Test of Microforest Against Data On Tree Growth</p><p>7.4.1 First Test of Microforest</p><p>7.4.2 Second Test of Microforest</p><p>Annex: List of Parameter Values and Units in MicroForest</p><p>Annex: List of Variables in MicroForest Model</p><p>8. How to Utilize The Knowledge of Causal Responses?</p><p>8.1 Applications to Forestry</p><p>8.1.1 The Effect Thinnings On Wood Production</p><p>8.1.2 The Effect of Whole Tree Harvesting On The Site Fertility</p><p>8.1.3 The Effect of Nitrogen Deposition On Forest Production</p><p>8.2 Climate Change and Forests</p><p>8.2.1 Physical Background of Climate Change</p><p>8.2.2 Mechanisms of Climate Change</p><p>8.2.3 Observed and Projected Changes in Climate</p><p>8.2.4 Responses of Forest Ecosystems to Climate Change</p><p>8.2.5 Response of Boreal Forests to Climate Change</p><p>8.2.6 Feedback from Forests to Climate Change</p><p>9. Station for Measuring Ecosystem-Atmosphere Relations – SMEAR</p><p>10. The Physical and Physiological Theory of Forest Ecology and its Evaluation</p><p>Index</p>