Cependant, il existe beaucoup moins de compilations de la littérature scientifique qui portent sur les calculs des composantes de la biomasse. Il y a eu un grand nombre d’équations qui ont été développées pour estimer la biomasse des composantes des arbres et des arbustes dans différents écosystèmes. Les études portant sur l’estimation de la biomasse, la productivité des stations et la contribution des forêts à l’équilibre mondial du carbone nécessitent l’emploi d’équations allométriques.This information is critical for the establishment of environmental projects that aim to estimate conventional parameters (i.e., productivity, habitat quality and fuel wood) as well as environmental features (i.e., stocks and fluxes of carbon and nitrogen).In order to use nondestructive procedures of biomass estimation such as the fractal theory, the null hypothesis that the mean slope b value is equal to 2.67 was rejected for Latin American biomass species. I also discuss statistical methods of parameter estimation and recommend the dissection of two conventional allometric equations when biomass studies are conducted on a wide range of diameters.The selection of the appropriate allometric model is a key element in the accurate estimation of biomass, stand productivity, carbon stocks and fluxes, and as a consequence, it is important to apply special effort to the selection and estimation of biomass equations.I report a total of 229 sets of allometric equations to estimate biomass components for 102 species in 72 different forest communities of arid, semi-arid, subtropical, tropical and temperate Latin-American ecosystems.

However, there are less literature compilations that address the calculations of biomass components.

There have been a great number of equations developed to estimate biomass components of trees and shrubs in various ecosystems. Studies dealing with the estimation of biomass, site productivity and the contribution of forests to the global carbon balance require the use of allometric equations.

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