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  4. Global Tree Cover and Biomass Carbon on Agricultural Land: The contribution of agroforestry to global and national carbon budgets

Global Tree Cover and Biomass Carbon on Agricultural Land: The contribution of agroforestry to global and national carbon budgets

  • Link
    www.sciencedirect.com/science/article/abs/pii/S1161030110001061
  • Autores
    Wang, Mingcheng | van Noordwijk, Meine | Trabucco, Antonio | Bossio, Deborah | Ahrends, Antje | Xu, Jianchu | J.Neufeldt, Henry | Zomer, Robert J.
  • Instituição do autor correspondente
    Key Laboratory for Plant Diversity and Biogeography of East Asia
  • Contacto
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  • Revista e nº
    Scientific Reports 6: 29987
  • Ano
    2016
  • DOI
    10.1038/srep29987
Projeto
-
Resumo

Agroforestry systems and tree cover on agricultural land make an important contribution to climate change mitigation, but are not systematically accounted for in either global carbon budgets or national carbon accounting. This paper assesses the role of trees on agricultural land and their significance for carbon sequestration at a global level, along with recent change trends. Remote sensing data show that in 2010, 43% of all agricultural land globally had at least 10% tree cover and that this has increased by 2% over the previous ten years. Combining geographically and bioclimatically stratified Intergovernmental Panel on Climate Change (IPCC) Tier 1 default estimates of carbon storage with this tree cover analysis, we estimated 45.3?PgC on agricultural land globally, with trees contributing >75%. Between 2000 and 2010 tree cover increased by 3.7%, resulting in an increase of >2?PgC (or 4.6%) of biomass carbon. On average, globally, biomass carbon increased from 20.4 to 21.4?tC ha?1. Regional and country-level variation in stocks and trends were mapped and tabulated globally, and for all countries. Brazil, Indonesia, China and India had the largest increases in biomass carbon stored on agricultural land, while Argentina, Myanmar, and Sierra Leone had the largest decreases.

Palavras-Chave
Agroecology; Climate; Ecosystem ecology; Ecosystem services; change mitigation
  • Tags
    change mitigation | Ecosystem services | Ecosystem ecology | Climate | Agroecology
  • geral@cncalteracoesclimaticas.pt
© 2021 INIAV,I.P.

Financimento:

PDR 2020 - Programa de Desenvolvimento Rural 2020

Portugal 2020

Fundo Europeu Agrícola de Desenvolvimento Rural (FEADER)

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