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需要恢复的地区为巴西授粉服务需求提供了一个补充机会。

Areas Requiring Restoration Efforts are a Complementary Opportunity to Support the Demand for Pollination Services in Brazil.

机构信息

Rio de Janeiro Botanical Garden, Rio de Janeiro 22460-030, Brazil.

Institute of Natural Sciences, Federal University of Alfenas, Alfenas 37130-001, Brazil.

出版信息

Environ Sci Technol. 2021 Sep 7;55(17):12043-12053. doi: 10.1021/acs.est.1c02546. Epub 2021 Aug 23.

Abstract

Crop pollination is one of Nature's Contributions to People (NCP) that reconciles biodiversity conservation and agricultural production. NCP benefits vary across space, including among distinct political-administrative levels within nations. Moreover, initiatives to restore ecosystems may enhance NCP provision, such as crop pollination delivered by native pollinators. We mapped crop pollination demand (PD), diversity of pollinator-dependent crops, and vegetation deficit (VD) (vis-a-vis Brazilian legal requirements) across all 5570 municipalities in Brazil. Pollinator-dependent crops represented ∼55% of the annual monetary value of agricultural production and ∼15% of the annual crop production. Municipalities with greater crop PD (i.e., higher degree of pollinator dependence of crop production) also had greater VD, associated with large properties and monocultures. In contrast, municipalities with a greater diversity of pollinator-dependent crops and predominantly small properties presented a smaller VD. Our results support that ecological restoration prompted by legal requirements offers great potential to promote crop productivity in larger properties. Moreover, conservation of vegetation remnants could support food security in small properties. We provided the first steps to identify spatial patterns linking biodiversity conservation and pollination service. Using Brazilian legal requirements as an example, we show that land-use management policies may be successfully used to ensure agricultural sustainability and crop production.

摘要

作物授粉是大自然对人类的贡献之一,它协调了生物多样性保护和农业生产。NCP 的益处因空间而异,包括国家内不同政治行政级别之间的差异。此外,恢复生态系统的举措可能会增强 NCP 的供应,例如由本地传粉媒介提供的作物授粉。我们在巴西的 5570 个城市中绘制了作物授粉需求(PD)、依赖传粉者的作物多样性以及植被不足(VD)(相对于巴西法律要求)的地图。依赖传粉媒介的作物占农业生产年货币价值的约 55%,占年度作物产量的约 15%。授粉需求较高的城市(即作物生产对传粉媒介的依赖程度较高)的 VD 也较高,与大农场和单一作物种植有关。相比之下,依赖传粉媒介的作物多样性较大且主要为小农场的城市的 VD 较小。我们的结果表明,法律要求推动的生态恢复为大农场的作物生产力提供了巨大的潜力。此外,保护植被残余物可以支持小农场的粮食安全。我们提供了识别将生物多样性保护和授粉服务联系起来的空间模式的第一步。我们以巴西的法律要求为例,表明土地利用管理政策可以成功地用于确保农业可持续性和作物生产。

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