| Texto completo | |
| Autor(es): |
David, Luiz H.
;
Pinho, Sara M.
;
Agostinho, Feni
;
Costa, Jesaias, I
;
Portella, Maria Celia
;
Keesman, Karel J.
;
Garcia, Fabiana
Número total de Autores: 7
|
| Tipo de documento: | Artigo Científico |
| Fonte: | JOURNAL OF CLEANER PRODUCTION; v. 331, p. 11-pg., 2022-01-10. |
| Resumo | |
Aquaponics is a food production system that aims higher sustainability by integrating advantages gained from aquaculture and hydroponic production. Aquaponics aims to mimic the biological process that happens in the natural environment in a controlled production system. As it can be applied to small scales, aquaponics is considered an important alternative for urban regions, which have low availability of agricultural land and water resources. Furthermore, the advantage is that it is located close to final consumers. Aquaponics has been labeled as an environmentally friendly food production system, but its demand for energy and materials cast doubt on its sustainability. A systemic understanding of aquaponics production systems is needed to determine the magnitude and balance between its potentialities and constraints, in which emergy synthesis appears as a powerful tool for this purpose. This study applies emergy synthesis to assess the sustainability of two different (scale and marketable products) urban aquaponics farms in Brazil, but differently from other emergy studies, ecosystem services and disservices are included in the analysis as an attempt to represent the system performance holistically. Results show that the type of materials used in aquaponics infrastructures has the highest influence on total emergy demand. Surprisingly, electricity and fish feed showed a low influence on the total emergy, reinforcing the idea that aquaponics systems have a more efficiency feeding management than traditional aquaculture systems. Besides producing vegetables and fish, the inclusion of ecosystem services highlights the importance of aquaponics for educational and tourism purposes. Finally, the obtained indicators from modeling scenarios revealed that replacing the water source and some materials deserves priority attention to increase the sustainability of urban aquaponics farms. (AU) | |
| Processo FAPESP: | 18/20463-9 - Sistemas de produção de tilápia com potencial de certificação |
| Beneficiário: | Luiz Henrique Castro David |
| Modalidade de apoio: | Bolsas no Brasil - Doutorado |
| Processo FAPESP: | 19/21703-6 - Uso de modelos matemáticos e síntese emergética para identificação e valoração dos serviços ecossistêmicos e externalidades na produção aquícola |
| Beneficiário: | Luiz Henrique Castro David |
| Modalidade de apoio: | Bolsas no Exterior - Estágio de Pesquisa - Doutorado |
| Processo FAPESP: | 18/13235-0 - Inovações tecnológicas para a utilização do sistema de bioflocos na aquaponia desacoplada |
| Beneficiário: | Sara M Pinho |
| Modalidade de apoio: | Bolsas no Brasil - Doutorado |
| Processo FAPESP: | 17/50431-9 - Sistemas multitróficos inteligentes e integrados para produção urbana de alimentos: uma abordagem para economia de água e energia visando a urbanização global (CityFood) |
| Beneficiário: | Maria Célia Portella |
| Modalidade de apoio: | Auxílio à Pesquisa - Regular |
| Processo FAPESP: | 19/21315-6 - Modelagem de sistemas FLOCpônicos com múltiplos compartimentos: balanços de água, energia e nutrientes |
| Beneficiário: | Sara M Pinho |
| Modalidade de apoio: | Bolsas no Exterior - Estágio de Pesquisa - Doutorado |
| Processo FAPESP: | 18/23605-9 - Sistemas multitróficos inteligentes para produção de alimentos na cidade: uma abordagem para economia de energia e água na urbanização global |
| Beneficiário: | Jesaias Ismael da Costa |
| Modalidade de apoio: | Bolsas no Brasil - Pós-Doutorado |