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72 results for “soil fauna”
High dimensionality of stoichiometric niches in soil fauna
The ecological niche is a fundamental concept to understand species coexistence in natural communities. The recently developed framework of the multidimensional stoichiometric niche (MSN) characterizes species niches using chemical elements in living organisms. Despite the fact that living organisms are composed by multiple elements, stoichiometric studies have so far mostly focused on carbon (C), nitrogen (N), and phosphorus (P), and therefore a quantitative analysis of the dimensionality of the MSN in living organisms is still lacking, particularly for animals. Here we quantified ten elements composing the biomass of nine soil animal taxa (958 individuals) from three trophic groups. We found that all ten elements exhibited large variation among taxa, which was partially explained by their phylogeny. Overlaps of MSNs among the nine soil animal taxa were relatively smaller based on ten elements, compared with those based on only C, N, and P. Discriminant analysis using all ten elements successfully differentiated among the nine taxa (accuracy: 90%), whereas that using only C, N, and P resulted in a lower accuracy (60%). Our findings provide new evidence for MSN differentiation in soil fauna and demonstrate the high dimensionality of organismal stoichiometric niches beyond C, N, and P.
Water availability rather than temperature control soil fauna community structure and prey-predator interactions
<p>The ongoing climate change may strongly impact soil biodiversity with cascading effects on the processes they drive. Thus, it is of prime interest to improve our knowledge about responses by soil organisms such as collembolans to expected shifts in environmental conditions by considering communities comprising both detritivores and predators.</p> <p>The aim of the present study was to evaluate how simulated climate change and predation under laboratory conditions alter a collembolan community.</p> <p>To infer the impact of climate change, we applied a decreased level of soil moisture (60% <em>vs.</em> 30% soil water holding capacity) and an increasing air temperature (15 °C <em>vs. </em>25 °C) to a collembolan community constituted by four species (<em>Folsomia candida</em>, <em>Protaphorura fimata</em>, <em>Proisotoma minuta</em> and <em>Mesaphorura macrochaeta</em>) exhibiting distinct functional traits, e.g. body size and furca presence, in presence or absence of a predatory gamasid Acari (<em>Stratiolaelaps scimitus</em>) during two months in a microcosm experiment.</p> <p>We observed that decreasing soil moisture altered the collembolan community with species-specific responses. Interaction between soil moisture, temperature and predation indicates that low soil moisture reduced total collembolan abundance especially i) by suppressing the positive effect of increasing temperature and ii) by increasing the predatory control on collembolan abundance.</p> <p>These results highlight that soil moisture is the major driver of Collembola community and by consequence, a shift in climatic parameters with the ongoing climate change should strongly modify the Collembola community structure and the predator-prey interaction. Our findings are highly important since a strengthening of predation impact on Collembola prey could have major consequences on the whole soil food web being able to lead to a slowdown of key ecosystem processes they drive (e.g., litter decomposition and nutrient recycling). Finally, our study promotes the need to study more complex systems considering distinct soil-dwelling species, their functional traits and their trophic interactions to better predict the ecosystem responses to the ongoing climate change.</p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Jeanbille_et_al_2024_Exclusion_experiment_ANALYSIS: code and data for "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly"
<p>Release of code and data associated with the publication "Size exclusion experiment in a grassland field unravels top-down control of the soil fauna on microbial community assembly".</p>
Soil fauna-microbial interactions complexity triggers shifts in both fungal and bacterial communities under a contamination disturbance
<p>meta.otu.june2020.txt : Willow morphological data, data related to qPCR of PAH-RHD genes and phenanthrene amounts found by GC-MS in soil, associated to the paper entitled: Soil fauna-microbial interactions complexity triggers shifts in both fungal and bacterial communities under a contamination disturbance.</p> <p>Files starting by 16s, its, gn and gp are data tables of bioinformatically processed amplicon sequencing data containing filtered and rarefied counts corresponding to 4 set of genes (16S rRNA gene, fungal ITS, PAH-RHD Gram Negative and Gram Positive bacteria) and corresponding taxonomy. </p>
Data from: Microplastics negatively affect soil fauna but stimulate microbial activity: insights from a field-based microplastic addition experiment
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Data from: Decomposition of leaf litter mixtures across biomes: The role of litter identity, diversity and soil fauna
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Water availability rather than temperature control soil fauna community structure and prey-predator interactions
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High dimensionality of stoichiometric niches in soil fauna
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From: Soil fauna accelerate litter mixture decomposition globally, especially in dry environments
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Data from: Soil fauna responses to invasive alien plants are determined by trophic groups and habitat structure: a global meta-analysis
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Data from: Nutrient scarcity strengthens soil fauna control over leaf litter decomposition in tropical rainforests
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Biodiversity - Fauna - Soil Fauna - Species List
Arthropod and isopod species list
Figure 3 in A call for collaboration to create the European Atlas of Soil Fauna
Figure 3. Overview of the steps involved for becoming a co-creator of the Atlas initiative as well as the handling of data and mapping of soil fauna distribution. Links: google questionnaire: https://docs. google.com/forms/d/1Ki5LEaK9q8yCKBOs4yDaP634U6fM_ SCKTsV6m4pikSU/edit, Atlas data template: https://drive.google. com/drive/folders/1Om94lMTiZP_Uu-ob1xQfJYcslCxnbkR0, EUdaphobase website, Twitter account: @soilfaunaAtlas. For further information, please contact Maria Tsiafouli (tsiafoul@bio. auth.gr) and Jérôme Cortet (jerome.cortet@univ-montp3.fr).
Figure 6 in Deep soil floatation in Chile reveals diverse and mainly nameless fauna of endogean beetles (Coleoptera)
Figure 6. Maximum Likelihood DNA barcode tree of 85 non-Staphylinidae endogean beetles of Chile. Families are colour coded. Terminal names consist of specimen number, the family name (superfamily for specimens GR0312 and GR0313), the most detailed current taxonomic identification (species, genus, tribe, or subfamily), sample number, length of the DNA barcode fragment [with the number of ambiguously read bases in angle brackets], BIN number [if applicable, also denoted on the tree with black dots], and GenBank accession number. Digits at internodes are rapid bootstrap values of 50 % and above.
Figure 1 in Deep soil floatation in Chile reveals diverse and mainly nameless fauna of endogean beetles (Coleoptera)
Figure 1. (A) map of central Chile between Santiago and Valdivia showing the 15 localities where 50 deep soil samples were taken; (B) a pit producing the soil sample CH01 (note the piolet used for digging, a sifter used to sift the soil, and one bag of sifted soil ready to be floated in the barrel with water); (C) the floatation process, with the floating fraction scooped by a kitchen sieve and deposited on a fine mesh on the ground; (D) a standard floated sample after rinsing in water and before being wrapped in two additional layers of thicker cloth; (E) two plastic boxes used for sample transportation and temperature/humidity management, each containing 16 floated samples; (F) Sundriven specimen extraction with floated samples spread on chicken wire and placed on top of aluminium pans (note on the background a funnel suspended from a tree, through which water from all pans was filtered daily).
Figure 1 in Soil fauna contribution to winter decomposition in subalpine grasslands
Figure 1. Litter mass loss in small mesh (white bars) and large mesh (grey bars) litterbags, after winter decomposition in the pots and in the field, averaging for litter type. The results of the 2 pairwise tests are shown for each location (ns: p = 0.70, ***: p <0.001). The thick line corresponds to the median, the box to the first and third quartiles, the whiskers to the minimum and maximum values, and points to outliers.
Figure 3 in Structural characteristics of the soil fauna community in beach wetlands of the Poyang Lake region
Figure 3. Distribution of soil fauna in the 0–20 cm soil layer at different sampling sites in the Poyang Lake region.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.