EVALUACIÓN Y PLANIFICACIÓN DE SISTEMAS AGROFORESTALES SUSTENTABLES DE CACAO (Theobroma cacao L.) Y BAMBÚ (Guadua angustifolia K.), MONTALVO, ECUADOR

Torres, Antonio Alcívar; Vásquez, Guillermo García; Piedrahita, Dalton Cadena; Vásquez, Viviana Sánchez

doi:10.5281/zenodo.3473533

Cited by 1 publication

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“…Meanwhile, agroforestry systems (AFSs) stand out for the structure and composition of plant species, dependent on biophysical conditions and management [17,18], positioning them as a potential carbon storage alternative [7,9,19]. Furthermore, due to their wide diversification, AFSs are considered sustainable systems that provide social, economic, and environmental benefits [8,20,21], since they contribute to the conservation of biodiversity and food security due to the close interaction between crops, animals, trees, the environment, and humans [2,17]. In this sense, cocoa, being one of the main crops under AFSs in the tropics and requiring little radiation, is able to associate with a variety of forest species that provide shade and have a positive influence on the quality and amount of OM in the soil through the contributions of crop residues, pruning, and leaf litter [18,21] that stimulate edaphic activity and microbial transformations [22].…”

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confidence: 99%

Biodiversity and Carbon Sequestration in Chakra-Type Agroforestry Systems and Humid Tropical Forests of the Ecuadorian Amazon

Huera-Lucero,

Lopez-Piñeiro,

Torres

et al. 2024

Forests

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Currently, there are several studies related to climate change, carbon sequestration, and floristic composition in different scenarios and land uses. In this context, the objective of this research is: (a) to characterize biodiversity based on ecological indicators and diversity indices and (b) to evaluate carbon sequestration in different components of chakra-type agroforestry systems and secondary tropical humid forests of the Ecuadorian Amazon. For this, temporary sampling plots of 1600 m2 are established on the properties to be investigated. The study found that the structural characteristics and floristic composition vary according to the forest arrangement and the management system. Secondary forests are the most diverse, according to the Shannon (3.49), Simpson (0.96), and Margaleft (9.34) diversity indices, in addition to having the largest carbon stores with 233 (Mg C ha−1), followed by agroforestry systems in association with timber trees (TAFS) and fruit trees (FAFS) with 97.8 and 95.1 (Mg C ha−1) respectively, and cocoa monoculture (CMC) with 90.4 (Mg C ha−1). These results demonstrate the importance of conserving the remnants of tropical forests that still remain, due to the diversity of species, ecosystem services, and the total carbon they contain, as well as the agroforestry systems (AFS), systems analogous to forests, which are gradually becoming important management systems, especially if they are associated with potential species to sequester carbon, such as those documented in this and several other studies that seek solutions to global climate change.

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