QUANTIFICATION OF CARBON IN FOREST NECROMASS: STATE OF THE ART

AUTOR(ES)

Maas, Greyce Charllyne Benedet; Sanquetta, Carlos Roberto; Marques, Renato; Machado, Sebastião do Amaral; Sanquetta, Mateus Niroh Inoue

FONTE

CERNE

DATA DE PUBLICAÇÃO

2020-03

RESUMO

ABSTRACT Necromass play a significant ecological function, including the deposition of organic matter, which is essential for carbon cycling in forest ecosystems. Despite the devoted attention to the role of forest necromass into the global carbon cycle, international organizations such as IPCC and FAO have reported the lack of compatible data concerning the carbon stocks in forest necromass among different regions. This paper reviews the terminologies and sampling methods regarding the quantification of carbon stock in forest necromass. Volume, biomass and carbon content determination methods were examined into the literature and then notably in Brazil. We address the problems associated with sampling methods and spatial distribution in related studies. Conflict in nomenclatures, components and diameter threshold confound the comparison of regional results. Meanwhile, we present a standard terminology for similar studies. Coarse woody and non-woody (litter) necromass are frequently computed, although fine woody necromass stands ignored in most studies and reports. Finally, we provide recommendations on specific sampling and measurement methods, taking into account necromass size and spatial pattern for both necromass and litter.

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