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 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 Valpara ıso administrative Regions), the Atacama Desert (north of the country) and the Valdivian temperate forests (La Araucan ıa, Los R ıos 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.
Soil harbor up to a quarter of the worlds biodiversity, contributing to many ecosystem functions. It is of great importance to identify distribution patterns of soil organisms and their ecosystem functions to support their conservation and policy building. This has been recently analyzed at macroecological scales, but analyses at national/local scales are scarce. Here we identify and analyze the blind spots in soil taxa and ecosystem functioning data in continental Chile, through a Web of Science articles (1945-2020) search, and focusing on ten soil taxonomic groups and four ecosystem functions (nutrient cycling, decomposition, water infiltration, soil respiration). A total of 741 sampling sites were obtained from 239 articles. In 49.25% of the sites soil biodiversity was studied, while this percentage was 32.65% for ecosystem functions; in 18.10% of the sites both soil biodiversity and ecosystem functions were investigated at the same time, a surprisingly high percentage compared to global studies. By far, Bacteria/Fungi and nutrient cycling were the most investigated taxa and function, respectively. There is a significant number of soil taxa (Acari, Collembola, Nematoda, Formicoidea, Protista, Rotifera) represented by just a few sites concentrated in specific Chilean regions. Places like the central regions, the Atacama desert, and the Valdivian temperate forests present a proliferation of studies on soil Fungi, Bacteria, and nutrient cycling, reflecting historical interests of established research groups. Based on this research, we are identifying the causes of the data blind spots and invite the Chilean soil ecology community to propose ideas on how to fill them.
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