Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: A solution for reducing high bias in estimates of stored carbon in
  tropical forests (aboveground biomass)   A nondestructive method for estimating the amount of carbon stored by
individuals, communities, vegetation types, and coverages, as well as their
volume and aboveground biomass, is presented. This methodology is based on
information on carbon stocks obtained through three-dimensional analysis of
tree architecture and artificial neural networks. This technique accurately
incorporates the diversity of plant forms measured in plots, transects, and
relev\'es. Stored carbon in any vegetation type is usually calculated as half
the biomass of sampled individuals, estimated with allometric formulas. The
most complete of these formulas incorporate diameter, height, and specific
gravity of wood but do not consider the variation in carbon stored in different
organs or different species, nor do they include information on the wide array
of architectures present in different plant communities. To develop these
allometric models, many individuals of different species must be sacrificed to
identify and validate samples and to minimize error. It is common to find
cutting-edge studies that encourage logging to improve estimates of carbon. In
our approach we replace this destructive methodology with a new technique for
quantifying global aboveground carbon. We demonstrate that carbon content in
forest aboveground biomass in the pantropics could rise to 723.97 Pg C. This
study shows that a reevaluation of climatic and ecological models is needed to
move toward a better understanding of the adverse effects of climate change,
deforestation, and degradation of tropical vegetation.

13
The categories of this paper are: quant-ph
23
The categories of this paper are: solv-int
26
The categories of this paper are: bayes-an
11
The categories of this paper are: hep-lat
4
The categories of this paper are: cond-mat
17
The categories of this paper are: q-fin
7
The categories of this paper are: hep-th
2
The categories of this paper are: math
20
The categories of this paper are: acc-phys
35
The categories of this paper are: mtrl-th
31
The categories of this paper are: ao-sci
32
The categories of this paper are: atom-ph
34
The categories of this paper are: chem-ph
37
The categories of this paper are: supr-con
25
The categories of this paper are: patt-sol
3
The categories of this paper are: physics