Estimativa do estoque de carbono presente na biomassa vegetal arbórea do Parque Municipal Américo Renné Giannetti – Belo Horizonte/MG.
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Abstract
Climate change is a reality for the world's population and evidence is part of our daily lives. One of the discussions regarding climate change is related to atmospheric conditions, which have changed with excessive greenhouse gas (GEE) emissions. Faced with this problem arose the need to carry out specific studies to calculate the carbon stock in forests, by the carbon absorption capacity between the terrestrial and atmospheric reservoir. Carbon capture through photosynthesis occurs when plants absorb solar energy and CO2 from the atmosphere. The reverse process occurs from the emission of carbon by respiration of plants, animals and organic decomposition. To this is added GEE emissions due to deforestation, fires, industrial gases and fuel combustion: anthropic actions that contribute to the carbon cycle imbalance. The intervention can gradually decrease or increase the carbon rate in the vegetation, influencing the equilibrium and natural dynamics of carbon dioxide content in the environment. In this context, the work has the objective to determine the amount of carbon, during 2018 and beginning of 2019, present in the tree biomass of Américo Renné Giannetti Municipal Park in Belo Horizonte - MG, using the methodology created by the International Center for Research in Agroforestry - ICRAF and EMBRAPA Forests, document 73. All living and dead standing trees have been measured and the estimated carbon is 451.86 t / ha, and the park has 18.20 hectares. In terms of carbon credit trading, the PMARG has 8,223.85 tons of carbon in tree biomass, which equals a monetary value of € 21,628.73. Due to the biodiversity of the park it was possible to notice that the carbon stock varies according to the species and age of the trees. The larger the tree, the greater the biomass and consequent amount of carbon retained. During the data collection, we realized the ecosystem services provided by the park's green area and the need for preservation, awareness and reforestation practices for the maintenance of the terrestrial ecosystem.
