changes in carbon cycling during development of successional agroforestry

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ID: 219567
2017
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Abstract
Successional agroforestry systems (SAFS) mimic the structure of natural forests while providing economical outputs. This study clarifies how carbon cycling and carbon sequestration change during successional development of SAFS. In Brazil, three successional stages of SAFS, 6, 12, and 34 years old, were compared in terms of carbon balance. Aboveground biomass, fruit harvest, litterfall, soil respiration, and soil organic carbon were measured for two years and analyzed. Carbon sequestration expressed by net primary productivity increased with age of SAFS from 9.8 Mg·C·ha−1·year−1 in 6-year-old system to 13.5 Mg·C·ha−1·year−1 in 34-year-old system. Accumulation of plant biomass and increased internal carbon cycling in SAFS led to an intensive sequestration of carbon. SAFS can be a sustainable way of agricultural production on vulnerable tropical soils.
Reference Key
selecky2017agriculturechanges Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Tomas Selecky;Sonoko D. Bellingrath-Kimura;Yuji Kobata;Masaaki Yamada;Iraê A. Guerrini;Helio M. Umemura;Dinaldo A. Dos Santos
Journal BMC women's health
Year 2017
DOI
10.3390/agriculture7030025
URL
http://www.mdpi.com/2077-0472/7/3/25
Keywords
carbon cycling soil fertility brazil litterfall soc

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