Teacher
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Di Filippo Alfredo
(syllabus)
Introduction. Scientific measurements. Measurement Units. Main statistics and the concept of error. Sampling approaches. Correlation, linear and non-linear regression.
Shape and Biomass of Trees. Allocation of Biomass in the Tree. Tree shape. Allometric relationships. Volume, Density, Biomass. Dendrometric prototypes, formula of revolution solids. Coefficient of Shape and Coefficient of Reduction. Shape Indices: tapering, slenderness.
Volume of standing trees. Diameter, circumference, basal area: importance, principles and methods of measurement, measuring instruments. Height: importance, principles and methods of measurement, measuring instruments. Hypsometers and Clisimeters. Tree Crown: importance, principles and modes of measurement, measuring instruments.
Volume in downed logs. Formulas and approaches: Huber, Smalian, Knights, by Sections. The silometer. Commercial dendrometry. Examples of wood assortments. Wood processing loss. Measuring wood piles.
Volume of forest stands. Site description. The structure of forest stands. Vertical and horizontal structure, stand density, structural stages. The quantitative description of forest stands. Essential dendrometric instruments, topographic compass, clinometer. Census vs sampling. Sampling methods and plot features. The construction of the H-DBH curve. Mean and dominant height, stature. Synthetic and analytical methods for cubing forest stands. Stereometric tables. Growth Rates. Alsometric tables. Model tree method. The measurement of standing and ground necromass.
Elements of relascopic dendrometry. Theoretical foundations of relascopy, the Bitterlich mirror relascope. Relascopic adiametric and diametric tests, indirect volume estimation.
Elements of auxology and auxometry. Tools and methods for determining age and woody increment of trees. Growth and increments. Method of stem analysis. Calculation of current increment of a single felled tree and percentage increment of a standing tree. Calculation of percent stand increment: procedure of Pressler, Schneider and Hellrigl. Estimation of current stand increment by the rate difference method and periodic increment by the mass balance method.
New Technologies in Dendrometry. LIDAR technology. Satellites.
The National Inventory of Forests and Carbon Sinks (INFC).
(reference books)
Orazio la Marca, Elementi di Dendrometria. Bologna: Patron
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