Legal reserves ensure alpha and beta ant diversity in highly modified agricultural landscapes

IF 4 2区环境科学与生态学 Q1 BIODIVERSITY CONSERVATION

Perspectives in Ecology and Conservation Pub Date : 2022-10-01 DOI:10.1016/j.pecon.2022.08.001

Kelley Rita Przybyszewski , Ricardo Eduardo Vicente , José Victor Alves Ferreira , Mônica Josene Barbosa Pereira , Thiago Junqueira Izzo , Danielle Storck-Tonon

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引用次数: 1

Abstract

To preserve biodiversity, the Brazilian law postulates that rural properties must keep a percentage of native vegetation cover, denominated as “Legal Reserve” (LR). Recent political efforts are being made to disoblige the farmer to keep the LRs. In this study we evaluated the role of LRs in ensuring the ant biodiversity on LRs and soybean plantations. Ants were collected in 42 landscapes within Amazonian forests and Cerrado savannahs and the transition vegetation between them. In each landscape, sets of pitfall traps were placed in a paired design, in the Legal Reserve area and in the adjacent soybean cultivation matrix. As expected, the number of species was extremely lower on soybean plantations. Despite richness, we observed strong turnover between the LRs and plantations. The landscape types on which the Legal Reserve was inserted did not influence the number, but did influence the composition of species. Also, the similarity among samples decay with geographic distance only on LRs. Our results show the importance of the maintenance of Legal Reserve areas for the ants and associated biodiversity in agro-ecosystems. This fact reinforces the need to preserve the Legal Reserves as described in Brazilian law.

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法律储备确保了高度改良的农业景观中α蚁和β蚁的多样性

为了保护生物多样性，巴西法律规定，农村土地必须保留一定比例的原生植被覆盖，称为“法定保护区”(LR)。最近正在进行政治努力，以解除农民保留LRs的义务。在本研究中，我们评估了小蚁园在保证小蚁园和大豆种植园蚂蚁生物多样性方面的作用。在亚马逊森林和塞拉多大草原以及两者之间的过渡植被中的42个景观中收集了蚂蚁。在每个景观中，在法律保留区和相邻的大豆种植基质中，以成对的设计放置了几组陷阱。正如预期的那样，大豆种植园的物种数量非常少。尽管丰富，我们观察到LRs和人工林之间的强烈更替。设置法定保护区的景观类型对物种数量没有影响，但对物种组成有影响。此外，样本间的相似性仅在LRs上随地理距离而衰减。研究结果表明，在农业生态系统中，保护法定保护区对蚂蚁及其相关生物多样性具有重要意义。这一事实加强了巴西法律中所述的保留法定准备金的必要性。

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来源期刊

Perspectives in Ecology and Conservation Environmental Science-Nature and Landscape Conservation

CiteScore

7.80

自引率

4.30%

发文量

审稿时长

59 days

期刊介绍： Perspectives in Ecology and Conservation (PECON) is a scientific journal devoted to improving theoretical and conceptual aspects of conservation science. It has the main purpose of communicating new research and advances to different actors of society, including researchers, conservationists, practitioners, and policymakers. Perspectives in Ecology and Conservation publishes original papers on biodiversity conservation and restoration, on the main drivers affecting native ecosystems, and on nature’s benefits to people and human wellbeing. This scope includes studies on biodiversity patterns, the effects of habitat loss, fragmentation, biological invasion and climate change on biodiversity, conservation genetics, spatial conservation planning, ecosystem management, ecosystem services, sustainability and resilience of socio-ecological systems, conservation policy, among others.