TY - BOOK AU - West,P.W. TI - Tree and forest measurement SN - 9783319147079 U1 - 634.9285 PY - 2015/// CY - Berlin, New York PB - Springer KW - Forests and forestry KW - Measurement N1 - 1 Introduction 1.1 This Book 1.2 What Measurements Are Considered? 1.3 Scale of Measurement 2 Measurements 2.1 Measuring Things 2.2 Accuracy 2.3 Bias 2.4 Precision 2.5 Bias, Precision and the Value of Measurements 3 Stem Diameter 3.1 Basis of Diameter Measurement 3.2 Stem Cross-Sectional Shape 3.3 Measuring Stem Diameter 3.4 Stem Irregularities 3.5 Bark Thickness 4 Tree Height 4.1 Basis of Height Measurement 4.2 Height by the Direct Method 4.3 Height by the Trigonometric Method 4.4 Height by the Geometric Method 5 Stem Volume. 5.1 Reasons for Volume Measurement 5.2 'Exact' Volume Measurement 5.3 Volume by Sectional Measurement. 5.3.1 Sectional Volume Formulae 5.3.2 Tree Stem Shape 5.3.3 Sectional Measurement of Felled Trees 5.3.4 Sectional Measurement of Standing Trees 5.4 Volume by Centroid Sampling Stem Volume and Taper Functions 6.1 The Functions 6.2 Volume Functions 6.2.1 Volume from Diameter and Height 6.2.2 Merchantable Stem Volume 6.3 Taper Functions 6.3.1 Examples of Taper Functions 6.3.2 Using Taper Functions Biomass 7.1 Reasons for Biomass Measurement 7.2 Measuring Biomass 7.2.1 Branches and Foliage 7.2.2 Stems 7.2.3 Roots 7.2.4 Carbon Content of Biomass 7.3 Above-Ground Biomass Estimation Functions 7.4 Biomass Estimation Functions for Tree Parts 7.4.1 Allometric Functions 7.4.2 Biomass Expansion Factors 7.4.3 Leaves 7.4.4 Roots Stand Measurement 8.1 Stands and Why They Are Measured 8.2 Measurements Taken in Stands 8.3 Age 8.4 Basal Area 8.4.1 Plot Measurement 8.4.2 Point Sampling 8.4.3 Practicalities of Point Sampling 8.4.4 Plot Measurement Versus Point Sampling. 8.5 Stocking Density 8.6 Quadratic Mean Diameter 8.7 Site Productive Capacity 8.7.1 Geocentric and Phytocentric Measures 8.7.2 Dominant Height 8.7.3 Site Index 8.8 Volume 8.8.1 Plot Measurement 8.8.2 Point Sampling 8.9 Biomass 8.9.1 Root Biomass 8.9.2 Fine Root Biomass and Area 8.10 Stand Growth 9 Measuring Populations 9.1 Forest Inventory and Sampling 9.2 Subjective Versus Objective Sample Selection 9.3 Population Statistics 9.3.1 Measures of Central Tendency 9.3.2 Variance and Confidence Limits 9.4 Calculating the Population Statistics 10 Sampling Theory 10.1 Sampling Techniques and Their Efficiency 10.2 Stratified Random Sampling 10.3 Sampling with Probability Proportional to Size 10.4 Sampling with Probability Proportional to Prediction 10.5 Model-Based Sampling 10.6 Choosing the Sampling Technique 11 Conducting an Inventory 11.1 Objectives 11.2 Approach and Methods 11.3 Forest Area 11.4 Sampling Pattern 11.5 Stand Measurement 11.5.1 Shape 11.5.2 Positioning 11.5.3 Size 11.5.4 Edge Plots 11.6 Confidence Limits 11.7 More Advanced Inventory, 12 The Plane Survey 12.1 Mapping 12.2 Survey Example 12.3 Conducting the Survey 12.4 Calculating the Survey Results 12.5 Area of a Surveyed Region 12.6 Global Positioning System 13 Remote Sensing 13.1 Ground Measurement 13.1.1 Tree Stems and Crowns Using Lasers 13.1.2 Leaf Area Index Using Sunlight 13.1.3 Roots 13.2 Airborne Measurement 13.2.1 Aerial Photography 13.2.2 Laser Scanning 13.2.3 Spectrometry 13.3 Satellites ER -