Coupled socio-ecological changes in response to soybean expansion along the 2001–2010 decade in Argentina

IF 3.3 2区 地球科学 Q2 ENVIRONMENTAL SCIENCES
Florencia Rositano , Sebastián Pessah , Patricia Durand , Pedro Laterra
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引用次数: 2

Abstract

The socio-economic benefits and environmental spillover effects of the international soybean trade have commanded scientific attention in recent years. This is particularly true for exporting countries, where soybean has promoted the replacement of other agricultural productions and also the an also the transformation of native ecosystems. Better understanding of the problem requires spatially disaggregated analysis of these dimensions, with focus on their interactions. This study assessed socio-ecological trends at county scale during the 2001–2010 growing expansion period of soybean cultivation in Argentina. The study sample comprised 126 counties within (1) the Chaco region, one of the largest natural forest regions until the expansion of the agricultural frontier; and (2) the Pampa region, the largest agricultural production area in the country. The relative variation of socio-economic, ecological and agricultural indicators was calculated for examination of patterns of variation and interrelation through uni- and multivariate analyses. Results indicate different patterns and trade-offs among soybean expansion, socio-economic and ecological indicators of soybean expansion, socio-economic and ecological. Soybean expansion, which mainly occurred in the Pampa region, was based on the replacement of other crops and pastures as well as the loss of livestock and ecosystem services provision. At the same time, the expansion of soybean promoted immigration and unemployment, and reduced improvements in alphabetization and growth in economically active population density. The pattern of soybean expansion triggered notable trends, mostly in the Chaco region where they were related to deforestation and rangeland loss. Findings of the study highlight the utility of a coupled approach in revealing socio-ecological patterns that may not be possible through more fragmentary analyses.

2001-2010年间阿根廷大豆扩张导致的社会生态耦合变化
近年来,国际大豆贸易的社会经济效益和环境溢出效应引起了科学界的关注。对于出口国来说尤其如此,在那里,大豆促进了其他农业产品的替代,也促进了当地生态系统的转变。要更好地理解这个问题,需要对这些维度进行空间分解分析,重点是它们之间的相互作用。本研究评估了2001-2010年阿根廷大豆种植扩张期县域尺度的社会生态趋势。研究样本包括:(1)查科地区的126个县,在农业边疆扩张之前,查科地区是最大的自然林区之一;(2) Pampa地区,该国最大的农业生产区。通过单变量和多变量分析,计算了社会经济、生态和农业指标的相对变化,以检验变化模式和相互关系。结果表明,大豆扩张、大豆扩张的社会经济和生态指标、社会经济和生态指标之间存在不同的模式和权衡。大豆的扩张主要发生在潘帕草原地区,其基础是替代其他作物和牧场,以及牲畜和生态系统服务的丧失。与此同时,大豆的扩张促进了移民和失业,降低了字母排序的改善和经济活动人口密度的增长。大豆扩张的模式引发了显著的趋势,主要是在查科地区,在那里它们与森林砍伐和牧场丧失有关。该研究的发现突出了耦合方法在揭示社会生态模式方面的效用,这可能无法通过更零碎的分析来实现。
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来源期刊
Anthropocene
Anthropocene Earth and Planetary Sciences-Earth and Planetary Sciences (miscellaneous)
CiteScore
6.30
自引率
0.00%
发文量
27
审稿时长
102 days
期刊介绍: Anthropocene is an interdisciplinary journal that publishes peer-reviewed works addressing the nature, scale, and extent of interactions that people have with Earth processes and systems. The scope of the journal includes the significance of human activities in altering Earth’s landscapes, oceans, the atmosphere, cryosphere, and ecosystems over a range of time and space scales - from global phenomena over geologic eras to single isolated events - including the linkages, couplings, and feedbacks among physical, chemical, and biological components of Earth systems. The journal also addresses how such alterations can have profound effects on, and implications for, human society. As the scale and pace of human interactions with Earth systems have intensified in recent decades, understanding human-induced alterations in the past and present is critical to our ability to anticipate, mitigate, and adapt to changes in the future. The journal aims to provide a venue to focus research findings, discussions, and debates toward advancing predictive understanding of human interactions with Earth systems - one of the grand challenges of our time.
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