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Chilean blind spots in soil biodiversity and ecosystem function research
Austral Ecology ( IF 1.5 ) Pub Date : 2022-08-18 , DOI: 10.1111/aec.13232
César Marín 1 , Javiera Rubio 2 , Roberto Godoy 3
Affiliation  

Soil harbour up to a quarter of the world's biodiversity, substantially contributing to many ecosystem functions and processes. It is significantly important to identify the distribution patterns of soil organisms and their ecosystem functions, to support their conservation efforts and to build policy around them. This has been recently analysed at macroecological scales, but analyses at national or local scales are scarce. Here, we identify and analyse the blind spots in soil taxa and ecosystem functions data in continental Chile. A Web of Science search (1945–2020) was conducted focusing on ten soil taxa and four ecosystem functions (nutrient cycling, decomposition, water infiltration and soil respiration). A total of 741 sampling sites were obtained from 239 articles: in 49.25% of these sites, soil biodiversity was studied alone, while this percentage was 32.65% for ecosystem functions. In 18.10% of the sites, both soil biodiversity and ecosystem functions were jointly studied, a surprisingly high percentage compared to global-scale studies. By far, bacteria/fungi and nutrient cycling were the most investigated taxa and function, respectively. Several soil taxa (Acari, Collembola, Nematoda, Formicoidea, Protista, Rotifera) were represented by just a few sampling sites concentrated in specific Chilean regions. Places like the central region (Metropolitan and Valparaíso administrative Regions), the Atacama Desert (north of the country) and the Valdivian temperate forests (La Araucanía, Los Ríos and Los Lagos administrative Regions) present the majority of studies on soil Fungi, Bacteria and nutrient cycling, reflecting the historical interests of well-established research groups. Based on this research, we are identifying the causes of the data blind spots and inviting the Chilean soil ecology community to propose ideas on how to fill them, especially targeting less studied soil taxa and ecosystem functions in neglected regions of Chile.

中文翻译:

智利土壤生物多样性和生态系统功能研究的盲点

土壤蕴藏着世界上多达四分之一的生物多样性,极大地促进了许多生态系统的功能和过程。确定土壤生物的分布模式及其生态系统功能、支持其保护工作并围绕它们制定政策非常重要。这最近在宏观生态尺度上进行了分析,但在国家或地方尺度上的分析很少。在这里,我们识别和分析了智利大陆土壤分类群和生态系统功能数据的盲点。进行了 Web of Science 搜索(1945-2020 年),重点关注 10 个土壤类群和 4 个生态系统功能(养分循环、分解、水渗透和土壤呼吸)。从 239 篇文章中总共获得了 741 个采样点:在这些采样点的 49.25% 中,单独研究了土壤生物多样性,而生态系统功能的这一比例为 32.65%。在 18.10% 的地点,对土壤生物多样性和生态系统功能进行了联合研究,与全球范围的研究相比,这一比例惊人地高。到目前为止,细菌/真菌和营养循环分别是研究最多的分类群和功能。仅集中在智利特定地区的几个采样点就代表了几种土壤分类群(Acari、Colembola、Nematoda、Formicoidea、Protista、Rotifera)。中部地区(大都会和瓦尔帕莱索行政区)、阿塔卡马沙漠(该国北部)和瓦尔迪维亚温带森林(拉阿劳卡尼亚、洛斯里奥斯和洛斯拉各斯行政区)等地对土壤真菌、细菌和营养循环,反映了知名研究小组的历史兴趣。基于这项研究,我们正在确定数据盲点的原因,并邀请智利土壤生态学界就如何填补这些盲点提出建议,特别是针对智利被忽视地区研究较少的土壤分类群和生态系统功能。
更新日期:2022-08-18
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