Eucalyptus Carbon Stock Research in an Integrated Livestock-Forestry System in Brazil

Eucalyptus plantations play an important role in capturing and storing atmospheric carbon, mitigating global climate change. Forest management policies encouraging integrated livestock-forestry systems require quantitative estimates of temporal and spatial patterns of carbon storage for these agricu...

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Bibliographic Details
Published in:Sustainability 2023-05, Vol.15 (10), p.7750
Main Authors: Morales, Marina Moura, Tonini, Hélio, Behling, Maurel, Hoshide, Aaron Kinyu
Format: Article
Language:English
Subjects:
Afforestation
Agroforestry
Beef cattle
Biomass
Biomass energy production
Carbon dioxide
Carbon sequestration
Cattle
Climate change
Ecosystems
Emission standards
Emissions
Eucalyptus
Farming systems
Financial analysis
Forest management
Forestry
Global temperature changes
Hardwoods
Hypotheses
Livestock
Monoculture
Phosphorus
Potassium
Reforestation
Stocks
Sustainability
Thinning
Trees
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Summary:Eucalyptus plantations play an important role in capturing and storing atmospheric carbon, mitigating global climate change. Forest management policies encouraging integrated livestock-forestry systems require quantitative estimates of temporal and spatial patterns of carbon storage for these agricultural systems. This study quantified the effects of eucalyptus management and arrangement on carbon stock dynamics in integrated livestock-forestry (ILF) systems versus monoculture eucalyptus plantings. Arrangement and management resulted in equal storage of carbon in both monoculture and ILF systems (34.7 kg per tree). Both factors are important to better understand how forest species in integrated systems stock carbon and how this can compensate for other agricultural system components, such as cattle. The extent to which ILF systems offset beef cattle (Nellore) emissions was determined by estimating changes in carbon stock over time for Eucalyptus urophylla × E. grandis, clone H13, under three scenarios (S) of wood use. These scenarios were (S1) tree growth without thinning, (S2) trees used for biomass energy without thinning, and (S3) 50% of trees used for biomass energy at five years old and 50% of trees used for both timber and energy after eight years, considering the full life cycle of eucalyptus. The S1 and S3 systems can stock 510 and 73 metric tons (t) of CO2 ha−1, respectively, while S2 emits 115 t CO2 ha−1 of biogenic carbon.
ISSN:2071-1050
2071-1050
DOI:10.3390/su15107750