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Provedor de dados:  Anais da ABC (AABC)
País:  Brazil
Título:  First Assessment of Carbon Stock in the Belowground Biomass of Brazilian Mangroves
Autores:  SANTOS,DANIEL M.C.
ESTRADA,GUSTAVO C.D.
FERNANDEZ,VIVIANE
ESTEVAM,MARCIEL R.M.
SOUZA,BRUNNA T. DE
SOARES,MÁRIO L.G.
Data:  2017-09-01
Ano:  2017
Palavras-chave:  Global climate change
Guaratiba State Biological Reserve
Roots
Sepetiba bay
Trench method
Resumo:  ABSTRACT Studies on belowground roots biomass have increasingly reported the importance of the contribution of this compartment in carbon stock maintenance in mangrove forests. To date, there are no estimates of this contribution in Brazilian mangrove forests, although the country has the second largest area of mangroves worldwide. For this study, trenches dug in fringing forests in Guaratiba State Biological Reserve (Rio de Janeiro, Brazil) were used to evaluate the contribution of the different classes of roots and the vertical stratification of carbon stock. The total carbon stock average in belowground roots biomass in these forests was 104.41 ± 20.73 tC.ha−1. From that, an average of 84.13 ± 21.34 tC.ha−1 corresponded to the carbon stock only in fine roots, which have diameters smaller than 5 mm and are responsible for over 80% of the total belowground biomass. Most of the belowground carbon stock is concentrated in the first 40 cm below the surface (about 70%). The root:shoot ratio in this study is 1.14. These estimates demonstrate that the belowground roots biomass significantly contributes, more than 50%, to the carbon stock in mangrove forests. And the mangrove root biomass can be greater than that of other Brazilian ecosystems.
Tipo:  Info:eu-repo/semantics/article
Idioma:  Inglês
Identificador:  http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000401579
Editor:  Academia Brasileira de Ciências
Relação:  10.1590/0001-3765201720160496
Formato:  text/html
Fonte:  Anais da Academia Brasileira de Ciências v.89 n.3 2017
Direitos:  info:eu-repo/semantics/openAccess
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