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The agroecological matrix as alternative to the land-sparing/agriculture intensification model

机译:农业生态矩阵替代土地节约/农业集约化模型

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摘要

Among the myriad complications involved in the current food crisis, the relationship between agriculture and the rest of nature is one of the most important yet remains only incompletely analyzed. Particularly in tropical areas, agriculture is frequently seen as the antithesis of the natural world, where the problem is framed as one of minimizing land devoted to agriculture so as to devote more to conservation of biodiversity and other ecosystem services. In particular, the “forest transition model” projects an overly optimistic vision of a future where increased agricultural intensification (to produce more per hectare) and/or increased rural-to-urban migration (to reduce the rural population that cuts forest for agriculture) suggests a near future of much tropical aforestation and higher agricultural production. Reviewing recent developments in ecological theory (showing the importance of migration between fragments and local extinction rates) coupled with empirical evidence, we argue that there is little to suggest that the forest transition model is useful for tropical areas, at least under current sociopolitical structures. A model that incorporates the agricultural matrix as an integral component of conservation programs is proposed. Furthermore, we suggest that this model will be most successful within a framework of small-scale agroecological production.
机译:在当前粮食危机所涉及的无数并发症中,农业与自然界之间的关系是最重要的关系之一,但仍未进行完整的分析。尤其是在热带地区,农业经常被视为自然世界的对立面,在该问题中,问题被认为是最大程度地减少了用于农业的土地,从而更多地致力于生物多样性和其他生态系统服务的保护。特别是,“森林过渡模式”对未来的发展前景过于乐观,因为未来农业集约化程度提高(每公顷土地生产更多)和/或农村向城市的移民增加(减少为森林砍伐的农村人口)表明在不久的将来将有许多热带森林和更高的农业产量。回顾生态理论的最新发展(显示碎片之间迁移和局部灭绝速率的重要性)以及经验证据,我们认为几乎没有迹象表明森林过渡模型至少在当前的社会政治结构下对热带地区有用。提出了将农业矩阵作为保护计划不可或缺组成部分的模型。此外,我们建议该模型将在小规模农业生态生产的框架内最成功。

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