Influencia del uso de la tierra sobre almacenamiento de carbono en sistemas productivos y bosque primario en Napo, Reserva de Biosfera Sumaco, Ecuador

Oswaldo  Jadán; Segundo Bolier Torres Navarrete; Sven Günter

doi:10.59410/RACYT-v01n03ep02-0017

Authors

Oswaldo Jadán Ministerio del Ambiente
Segundo Bolier Torres Navarrete Universidad Estatal Amazónica https://orcid.org/0000-0002-9182-419X
Sven Günter Centro Agronómico Tropical de Investigación y Enseñanza CATIE https://orcid.org/0000-0001-9572-1908

DOI:

https://doi.org/10.59410/RACYT-v01n03ep02-0017

Keywords:

Land use, carbon sequestration, forest, traditional agroforestry systems, Ecuadorian Amazon

Abstract

Despite growing evidence of the effect of traditional production systems on carbon sequestration and storage, little research has been conducted to examine the relationship between forest and traditional production systems based on the mitigation of climate change, especially in Amazonian ecosystems. This research was conducted in the lower area of the Sumaco Biosphere Reserve, in the province of Napo, Ecuadorian Amazon. We determined the average storage of carbon (C) in biomass and soil, in seven land use systems: Primary forest, traditional agro forestry systems (chakra) based on the cultivation of cocoa (shade-grown) propagated by seed and grafting cocoa monoculture propagated by seed and by grafts, and chakras without cacao and without shade. As a result, agricultural systems studied with the cocoa agro forestry system propagated by seed is the productive ecosystem that stores the most carbon with an average of 141.4 Mg C ha^-1; a relatively high quantity when compared with primary forest sequestration averages of 334 Mg C ha^-1 in the same area. The component with the greatest contribution to carbon storage in the forest is the live biomass with 79.1%, and in agricultural systems it is the soil, with ranges of 48.9 to 90.2%.

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