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  1. Biomass equations for shrub species of Tamualipan thornscrub of North-Eastern Mexico

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    Author(s): J. Navar; E. Mendez; A. Najera; J. Graciano; V. Dale; B. Parresol
    Date: 2004
    Source: Journal of Arid Environments, Vol. 59: 657-674
    Publication Series: Miscellaneous Publication
    PDF: View PDF  (379 KB)

    Description

    Nine additive allometric equations for computing above-ground, standing biomass were developed for the plant community and for each of 18 single species typical of the Tamaulipan thornscrub of north-eastern Mexico. Equations developed using additive procedures in seemingly unrelated linear regression provided statistical efficiency in total biomass estimates at the scales of both individual species and at the plant community. A single equation for each species improves efficiency in biomass estimates by 12.5% in contrast to using a single equation for the plant community. Therefore, additive equations developed in seemingly unrelated linear regression of parameter estimation are recommended to compute biomass components and total biomass for the species described.

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    Citation

    Navar, J.; Mendez, E.; Najera, A.; Graciano, J.; Dale, V.; Parresol, B. 2004. Biomass equations for shrub species of Tamualipan thornscrub of North-Eastern Mexico. Journal of Arid Environments, Vol. 59: 657-674

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