Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon
Carapa guianensis Aubl., widely distributed throughout the Amazon, is recognized for its ecological, economic, and social importance, and constitutes a key source of income for numerous extractive communities. However, fruit production exhibits marked spatial variation that may be influenced by soil...
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| Format: | info:eu-repo/semantics/workingPaper |
| Language: | Inglés |
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Preprints.org (MDPI)
2026
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| Online Access: | http://hdl.handle.net/20.500.12955/2979 |
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| author | Angulo Villacorta, Carlos Darwin Silva da Conceição, Denilson Chuchon Remon, Rodolfo Juan Manigat, Donald Antunez Jimenez, Lorena de Toledo, José Julio |
| author_browse | Angulo Villacorta, Carlos Darwin Antunez Jimenez, Lorena Chuchon Remon, Rodolfo Juan Manigat, Donald Silva da Conceição, Denilson de Toledo, José Julio |
| author_facet | Angulo Villacorta, Carlos Darwin Silva da Conceição, Denilson Chuchon Remon, Rodolfo Juan Manigat, Donald Antunez Jimenez, Lorena de Toledo, José Julio |
| author_sort | Angulo Villacorta, Carlos Darwin |
| collection | Repositorio INIA |
| description | Carapa guianensis Aubl., widely distributed throughout the Amazon, is recognized for its ecological, economic, and social importance, and constitutes a key source of income for numerous extractive communities. However, fruit production exhibits marked spatial variation that may be influenced by soil properties and climatic factors. In this study, we assessed this variability using data from 21 studies conducted in the Brazilian Amazon, incorporating georeferenced information from each site on climate and soil characteristics. Environmental variables were evaluated using Random Forest models. Average fruit productivity showed a broad range (0.34 to 34.6 kg·tree⁻¹·year⁻¹), with higher values in várzea forests (16.5 kg·tree⁻¹·year⁻¹) and lower values in igapó forests (2.5 kg·tree⁻¹·year⁻¹). The model explained 42% of the observed variability (R² = 0.83 in cross-validation), identifying soil organic carbon, mean annual temperature, and clay content as the most influential predictors. These findings demonstrate that fruit production is shaped by the interaction between edaphic and climatic conditions, which determine the species' productivity patterns, and highlight the need to foster adaptive management strategies that ensure the sustainable use of andiroba across Amazonian ecosystems. |
| format | info:eu-repo/semantics/workingPaper |
| id | INIA2979 |
| institution | Institucional Nacional de Innovación Agraria |
| language | Inglés |
| publishDate | 2026 |
| publishDateRange | 2026 |
| publishDateSort | 2026 |
| publisher | Preprints.org (MDPI) |
| publisherStr | Preprints.org (MDPI) |
| record_format | dspace |
| spelling | INIA29792026-01-06T16:12:48Z Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon Angulo Villacorta, Carlos Darwin Silva da Conceição, Denilson Chuchon Remon, Rodolfo Juan Manigat, Donald Antunez Jimenez, Lorena de Toledo, José Julio Carapa guianensis Amazon Edaphoclimatic factors Fruit production Random Forest Sustainable forest management Amazonía Factores edafoclimáticos Producción frutícola Bosque aleatorio Gestión forestal sostenible https://purl.org/pe-repo/ocde/ford#4.01.04 Bosque tropical; Monsoon forest; Suelos; Soil; Carbono orgánico; Organic carbón; Temperatura; Temperature; Pluviosidad; Induced rain; Propiedad del suelo; Soil properties. Carapa guianensis Aubl., widely distributed throughout the Amazon, is recognized for its ecological, economic, and social importance, and constitutes a key source of income for numerous extractive communities. However, fruit production exhibits marked spatial variation that may be influenced by soil properties and climatic factors. In this study, we assessed this variability using data from 21 studies conducted in the Brazilian Amazon, incorporating georeferenced information from each site on climate and soil characteristics. Environmental variables were evaluated using Random Forest models. Average fruit productivity showed a broad range (0.34 to 34.6 kg·tree⁻¹·year⁻¹), with higher values in várzea forests (16.5 kg·tree⁻¹·year⁻¹) and lower values in igapó forests (2.5 kg·tree⁻¹·year⁻¹). The model explained 42% of the observed variability (R² = 0.83 in cross-validation), identifying soil organic carbon, mean annual temperature, and clay content as the most influential predictors. These findings demonstrate that fruit production is shaped by the interaction between edaphic and climatic conditions, which determine the species' productivity patterns, and highlight the need to foster adaptive management strategies that ensure the sustainable use of andiroba across Amazonian ecosystems. 2026-01-06T15:47:08Z 2026-01-06T15:47:08Z 2025-12-17 info:eu-repo/semantics/workingPaper Angulo-Villacorta, C. D., Silva da Conceição, D., Chuchon-Remon, R. J., Manigat, D., Antunes-Jimenez, L., & de Toledo, J. J. (2025). Variability in fruit production of Carapa guianensis associated with edaphoclimatic factors in the Amazon. Preprints. https://doi.org/10.20944/preprints202512.1500.v1 http://hdl.handle.net/20.500.12955/2979 ttps://doi.org/10.20944/preprints202512.1500.v1 eng Preprints.org info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by/4.0/ application/pdf application/pdf Preprints.org (MDPI) BR Instituto Nacional de Innovación Agraria Repositorio Institucional - INIA |
| spellingShingle | Carapa guianensis Amazon Edaphoclimatic factors Fruit production Random Forest Sustainable forest management Amazonía Factores edafoclimáticos Producción frutícola Bosque aleatorio Gestión forestal sostenible https://purl.org/pe-repo/ocde/ford#4.01.04 Bosque tropical; Monsoon forest; Suelos; Soil; Carbono orgánico; Organic carbón; Temperatura; Temperature; Pluviosidad; Induced rain; Propiedad del suelo; Soil properties. Angulo Villacorta, Carlos Darwin Silva da Conceição, Denilson Chuchon Remon, Rodolfo Juan Manigat, Donald Antunez Jimenez, Lorena de Toledo, José Julio Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon |
| title | Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon |
| title_full | Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon |
| title_fullStr | Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon |
| title_full_unstemmed | Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon |
| title_short | Variability in Fruit Production of Carapa Guianensis Associated with Edaphoclimatic Factors in the Amazon |
| title_sort | variability in fruit production of carapa guianensis associated with edaphoclimatic factors in the amazon |
| topic | Carapa guianensis Amazon Edaphoclimatic factors Fruit production Random Forest Sustainable forest management Amazonía Factores edafoclimáticos Producción frutícola Bosque aleatorio Gestión forestal sostenible https://purl.org/pe-repo/ocde/ford#4.01.04 Bosque tropical; Monsoon forest; Suelos; Soil; Carbono orgánico; Organic carbón; Temperatura; Temperature; Pluviosidad; Induced rain; Propiedad del suelo; Soil properties. |
| url | http://hdl.handle.net/20.500.12955/2979 |
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