Co-producing knowledge with family farming organizations: a citizen science observatory in Santarém, Brazilian AmazonEmilie Coudel, Stéphanie Nasuti, Beatriz Abreu dos Santos, Mariana Piva, Valéria Fechine and Ricardo-Theophilo FolhesCah. Agric., 31 (2022) 1DOI: https://doi.org/10.1051/cagri/2021035