Conventional agricultural management negatively affects soil fauna abundance, soil physicochemical quality and multifunctionality

IF 2 3区 农林科学 Q3 ECOLOGY Pedobiologia Pub Date : 2024-05-01 DOI:10.1016/j.pedobi.2024.150961
Emogine Mamabolo, René Gaigher, James S. Pryke
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Abstract

Agricultural intensification is one of the major drivers of biodiversity decline and the losses of its functions in the soil. For soil health and sustainability planning, it is important to understand the effects associated with agricultural management on soil function and biodiversity. This study explored soil fauna, physicochemical properties, soil quality and multifunctionality and how they are affected by agroecosystem management in four different land uses i.e., conventional agriculture, livestock-integrated agriculture, conservation agriculture and natural grassland. The conventional land use favoured some nutrients, however soil of both the integrated and conservation land uses had physical and chemical properties indicative of good soil quality e.g. low compaction, low C:N ratio and stable aggregates. Soil fauna abundance was more responsive to land use and the soil environment compared to species diversity which did not show significant responses as expected. Tillage is known to negatively influence soil fauna, soil functions and physicochemical properties through intense soil structure disruption. Here, its detrimental effect is reflected by the lowest record of soil fauna, poor soil physicochemical quality and low multifunctionality observed within the conventional landuses managed under deep tillage, compared to other land uses which are under zero tillage. Overall, the study shows that the implementation of sustainable soil management practices which improves the physical and chemical status will not only be beneficial for productivity but also for the promotion of important soil fauna, better soil quality and ecosystem multifunctionality.

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传统农业管理对土壤动物数量、土壤理化质量和多功能性产生负面影响
农业集约化是导致生物多样性减少和土壤功能丧失的主要原因之一。对于土壤健康和可持续性规划而言,了解农业管理对土壤功能和生物多样性的影响非常重要。本研究探讨了传统农业、畜牧业综合农业、保护性农业和天然草地这四种不同土地利用方式下的土壤动物群落、理化特性、土壤质量和多功能性,以及农业生态系统管理对它们的影响。传统的土地利用方式有利于某些养分的吸收,但综合和保护性土地利用方式的土壤都具有表明土壤质量良好的物理和化学特性,例如低压实度、低碳氮比和稳定的团聚体。与物种多样性相比,土壤动物丰度对土地利用和土壤环境的反应更大,而物种多样性并没有显示出预期的显著反应。众所周知,耕作会严重破坏土壤结构,对土壤动物、土壤功能和理化性质产生负面影响。在这里,与其他零耕作的土地利用相比,深耕管理的传统土地上土壤动物数量最少,土壤理化质量差,多功能性低,这反映了深耕的有害影响。总之,研究表明,实施可持续的土壤管理方法,改善土壤的物理和化学状况,不仅有利于提高生产力,还能促进重要土壤动物的生长,改善土壤质量和生态系统的多功能性。
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来源期刊
Pedobiologia
Pedobiologia 环境科学-生态学
CiteScore
4.20
自引率
8.70%
发文量
38
审稿时长
64 days
期刊介绍: Pedobiologia publishes peer reviewed articles describing original work in the field of soil ecology, which includes the study of soil organisms and their interactions with factors in their biotic and abiotic environments. Analysis of biological structures, interactions, functions, and processes in soil is fundamental for understanding the dynamical nature of terrestrial ecosystems, a prerequisite for appropriate soil management. The scope of this journal consists of fundamental and applied aspects of soil ecology; key focal points include interactions among organisms in soil, organismal controls on soil processes, causes and consequences of soil biodiversity, and aboveground-belowground interactions. We publish: original research that tests clearly defined hypotheses addressing topics of current interest in soil ecology (including studies demonstrating nonsignificant effects); descriptions of novel methodological approaches, or evaluations of current approaches, that address a clear need in soil ecology research; innovative syntheses of the soil ecology literature, including metaanalyses, topical in depth reviews and short opinion/perspective pieces, and descriptions of original conceptual frameworks; and short notes reporting novel observations of ecological significance.
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