Navegando por Assunto "Soybean"

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Acesso aberto (Open Access)
Fronteira agrícola e conflitos territoriais nas Amazônias Brasileiras: a expansão do agronegócio da soja e seus efeitos no planalto de Santarém, Pará-Amazônia-Brasil
(Associação dos Geógrafos Brasileiros, 2020) BARROS, Márcio Júnior Benassuly; LOPES, Luís Otávio do Canto; LAURENT, François; COELHO, Andréa dos Santos
The research presented in this article aims to analyze the expansion of the agricultural frontier and the territorial confl icts generated by the arrival of soybeans on the Santarém plateau, in the state of Pará (Amazonia, Brazil). It is a case study, the methodology is based on two approaches: the synthesis of the literature and the fi eld work carried out over the past two decades. The research followed the following stages: state of the bibliographic art, fi eld work, focusing on direct observations, non-directive interviews with community members, local leaders, photographic archives, remote sensing and mapping. The main results show that the introduction of soybean in the municipality of Santarém, from 1996, led to deep territorial transformations, particularly for the communities lead into a territorial confl ict, faced with the expansion of the agricultural frontier.
Acesso aberto (Open Access)
Impactos do avanço da soja no balanço de radiação no leste da Amazônia
(Instituto Nacional de Pesquisas da Amazônia, 2013-06) SOUZA, Paulo Jorge de Oliveira Ponte de; ROCHA, Edson José Paulino da; RIBEIRO, Aristides
The deforestation of the Amazon, especially for pasture use, has been explored by several researchers who have pointed out as a consequence, serious environmental problems. The continuous expansion of agriculture on areas of cattle ranching in the Amazon, as well as on native areas, must be seen with caution since few studies have been conducted in order to investigate which probable environmental impacts can be generated due to the presence of soybean monoculture in the region. This study evaluates the local impacts of the replacement of forest by soybean (Glycine max (L.) Merrill) on radiation balance components in an area that represents the agricultural border advancement in Amazonia. A micrometeorological experiment was installed in an area of soybean cultivation in Paragominas-PA and data from forest ecosystems were collected in Caxiuanã forests located in Melgaço-PA both during 2006 and 2007. During the soybean growing season the mean impact found in net radiation represented a reduction of 17.9% of the value commonly observed in the forest. During the off-season the impact on net radiation was 15.5%. Principal mechanisms that control these impacts were associated with the high soybean albedo and high loss of long wave radiation. Although the greatest impact occurs during the crop growing season, the time of occurrence of this negative effect is restricted to only 1/3 of the year, which leads to a higher impact of the off-season on energy balance in cumulative terms.
Acesso aberto (Open Access)
O rio que embaçou no horizonte: narrativas e percepções sobre os impactos urbanos da construção e operação do terminal da Cargill em Santarém - PA
(Universidade Federal do Pará, 2025-02-27) PIMENTA, Karina Cunha; SILVA, Carlos Freire da; http://lattes.cnpq.br/7489756177996098; https://orcid.org/0000-0002-0202-8678
This study investigates the urban impacts of the installation and operation of the Cargill terminal in Santarém, Pará (Brazil), focusing on the socio-environmental transformations resulting from this intervention and the lived experiences of the city’s residents. The research emerged from an ethnographic approach initiated in 2017, aiming to understand changes in urban landscapes through the narratives of residents who, prior to the terminal’s installation, lived in the former Vera Paz beach area and were displaced to the current Laguinho neighborhood. From this perspective, the study reflects on the effects of the eradication of this leisure and sociability space, expanding the analysis to the economic dynamics of agribusiness, the expansion of soy monoculture, and the impacts of large infrastructure projects. Based on a qualitative methodology, the research employs oral narratives, life histories, interviews, poems, songs, and document analysis to explore how the transformations caused by the Cargill terminal have shaped new forms of sociability and resistance. The dissertation interrogates how processes of economic exploitation reshape urban and environmental dynamics, addressing not only economic consequences but also impacts on the "sensible" (affective, sensory, and symbolic dimensions) and the subjectivities of residents. The study also highlights the reconfiguration of the "sensible," symbolized by the disappearance of the former Vera Paz beach, and how this represents an infringement on the right to the city. It reveals an acceleration of socio-environmental violence, rendered invisible by mainstream media, and proposes an interdisciplinary lens for analyzing urban issues in the Amazon, integrating emotional and cultural dimensions often neglected in such debates. Ultimately, this work aims to pave the way for deeper investigations into Amazonian landscapes and the new forms of struggle and belonging emerging from these socio-environmental conflicts.