Allometric equations for integrating remote sensing imagery into forest monitoring programmes
Copyright policy )Allometric equations for integrating remote sensing imagery into forest monitoring programmes
AbstractRemote sensing is revolutionizing the way we study forests, and recent technological advances mean we are now able – for the first time – to identify and measure the crown dimensions of individual trees from airborne imagery. Yet to make full use of these data for quantifying forest carbon stocks and dynamics, a new generation of allometric tools which have tree height and crown size at their centre are needed. Here, we compile a global database of 108753 trees for which stem diameter, height and crown diameter have all been measured, including 2395 trees harvested to measure aboveground biomass. Using this database, we develop general allometric models for estimating both the diameter and aboveground biomass of trees from attributes which can be remotely sensed – specifically height and crown diameter. We show that tree height and crown diameter jointly quantify the aboveground biomass of individual trees and find that a single equation predicts stem diameter from these two variables across the world's forests. These new allometric models provide an intuitive way of integrating remote sensing imagery into large‐scale forest monitoring programmes and will be of key importance for parameterizing the next generation of dynamic vegetation models.
[SDV.SA.SF]Life Sciences [q-bio]/Agricultural sciences/Silviculture, STEM DIAMETER DISTRIBUTIONS, airborne laser scanning, Height–diameter allometry, Forests, BIOMASS, Trees, CARBON, HEIGHT, carbon mapping, height-diameter allometry, [SDV.SA.SF]Life Sciences [q-bio]/Agricultural sciences/Silviculture, forestry, FORESTS, Biomass, CANOPY ARCHITECTURE, TREE, ALLOMETRY, stem diameter distributions, Ecology, CARBON MAPPING, crown architecture, Airborne laser scanning, forestry, Aboveground biomass, Biological Sciences, FOREST, PE&RC, HEIGHT–DIAMETER ALLOMETRY, Biological sciences, height–diameter allometry, MONITORING SYSTEM, TREES, [INFO.INFO-MO] Computer Science [cs]/Modeling and Simulation, [SDV.SA.SF] Life Sciences [q-bio]/Agricultural sciences/Silviculture, forestry, aboveground biomass, ABOVEGROUND BIOMASS, REMOTE SENSING TECHNOLOGY, Crown architecture, 570, CROWN ARCHITECTURE, Life on Land, AIRBORNE SENSING, Leerstoelgroep Bosecologie en bosbeheer, 333, REMOTE SENSING, Carbon Cycle, Settore BIO/07 - ECOLOGIA, Bosecologie en Bosbeheer, 580, Stem diameter distributions, DIAMETER, Primary Research Articles, [INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation, Forest Ecology and Forest Management, Carbon, Environmental sciences, Earth sciences, Remote Sensing Technology, CARBON CYCLE, Carbon mapping, FOREST CANOPY, AIRBORNE LASER SCANNING, Environmental Sciences
[SDV.SA.SF]Life Sciences [q-bio]/Agricultural sciences/Silviculture, STEM DIAMETER DISTRIBUTIONS, airborne laser scanning, Height–diameter allometry, Forests, BIOMASS, Trees, CARBON, HEIGHT, carbon mapping, height-diameter allometry, [SDV.SA.SF]Life Sciences [q-bio]/Agricultural sciences/Silviculture, forestry, FORESTS, Biomass, CANOPY ARCHITECTURE, TREE, ALLOMETRY, stem diameter distributions, Ecology, CARBON MAPPING, crown architecture, Airborne laser scanning, forestry, Aboveground biomass, Biological Sciences, FOREST, PE&RC, HEIGHT–DIAMETER ALLOMETRY, Biological sciences, height–diameter allometry, MONITORING SYSTEM, TREES, [INFO.INFO-MO] Computer Science [cs]/Modeling and Simulation, [SDV.SA.SF] Life Sciences [q-bio]/Agricultural sciences/Silviculture, forestry, aboveground biomass, ABOVEGROUND BIOMASS, REMOTE SENSING TECHNOLOGY, Crown architecture, 570, CROWN ARCHITECTURE, Life on Land, AIRBORNE SENSING, Leerstoelgroep Bosecologie en bosbeheer, 333, REMOTE SENSING, Carbon Cycle, Settore BIO/07 - ECOLOGIA, Bosecologie en Bosbeheer, 580, Stem diameter distributions, DIAMETER, Primary Research Articles, [INFO.INFO-MO]Computer Science [cs]/Modeling and Simulation, Forest Ecology and Forest Management, Carbon, Environmental sciences, Earth sciences, Remote Sensing Technology, CARBON CYCLE, Carbon mapping, FOREST CANOPY, AIRBORNE LASER SCANNING, Environmental Sciences
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