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519 results for “organic soil”
MIMICS-BC_v1.0: Modeling biochar effects on soil organic carbon on croplands in a microbial decomposition model
<p>The code and data of MIMICS-BC_v1.0 related to the manuscript in submission</p>
Рис. 2. РаспреΑеΛение земΛяных выбросов поΑземной поΛевки (коΛония KS-11, октябрь 1985 г., «Αес на ВорскΛе») Fig. 2. Distribution of soil emissions made by the common pine vole (colony KS-11, October, 1985; "Forest on the Vorskla") in Spatial Organization Of Common Pine Vole (Microtus Subterraneus Selys-Longchamps, 1836) Colonies
Рис. 2. РаспреΑеΛение земΛяных выбросов поΑземной поΛевки (коΛония KS-11, октябрь 1985 г., «Αес на ВорскΛе») Fig. 2. Distribution of soil emissions made by the common pine vole (colony KS-11, October, 1985; "Forest on the Vorskla")
Supplementary material 3 from: Tóth Z, Hornung E, Báldi A (2018) Effects of set-aside management on certain elements of soil biota and early stage organic matter decomposition in a High Nature Value Area, Hungary. Nature Conservation 29: 1-26. https://doi.org/10.3897/natureconservation.29.24856
Table S3 :
Supplementary material 5 from: Tóth Z, Hornung E, Báldi A (2018) Effects of set-aside management on certain elements of soil biota and early stage organic matter decomposition in a High Nature Value Area, Hungary. Nature Conservation 29: 1-26. https://doi.org/10.3897/natureconservation.29.24856
Map file :
Supplementary material 2 from: Tóth Z, Hornung E, Báldi A (2018) Effects of set-aside management on certain elements of soil biota and early stage organic matter decomposition in a High Nature Value Area, Hungary. Nature Conservation 29: 1-26. https://doi.org/10.3897/natureconservation.29.24856
Table S2 :
Supplementary material 4 from: Tóth Z, Hornung E, Báldi A (2018) Effects of set-aside management on certain elements of soil biota and early stage organic matter decomposition in a High Nature Value Area, Hungary. Nature Conservation 29: 1-26. https://doi.org/10.3897/natureconservation.29.24856
Table S4 :
Supplementary material 1 from: Tóth Z, Hornung E, Báldi A (2018) Effects of set-aside management on certain elements of soil biota and early stage organic matter decomposition in a High Nature Value Area, Hungary. Nature Conservation 29: 1-26. https://doi.org/10.3897/natureconservation.29.24856
Table S1 :
Impact of deadwood decomposition on soil organic carbon sequestration in Estonian and Polish forests
<p>Data for publication.</p>
Figure 4 in Organic farming and moderate tillage change the dominance and spatial structure of soil Collembola communities but have little effects on bulk abundance and species richness
Figure 4. Spatial random effects explaining abundance, number of species and Berger-Parker index in samples in different management types. Grayscale palette shows scales (meters, 25cm-plots, 7-cm plots). Barplots show Tau parameter of the (spatial) random effects; mixed-effects models were run in each management type separately.
Figure 1 in Organic farming and moderate tillage change the dominance and spatial structure of soil Collembola communities but have little effects on bulk abundance and species richness
Figure 1. Location of the fields studied with different treatments: ODISK (Organic farming and Disking - C and D circles), OTILL (Organic farming and Tillage - A and Bsquares), and CONV (Conventional farming - E and F triangles). Coordinates of locations: A: N 54.482 E 34.928, B: N 54.496 E 34.933, C: N 54.543 E 34.880, D: N 54.555 E 34.996, E: N 54.585 E 35.0187, F: N 54.570 E 34.974. The altitude was from 175 to 234 m above sea level depending on the field.
Figure 2 in Organic farming and moderate tillage change the dominance and spatial structure of soil Collembola communities but have little effects on bulk abundance and species richness
Figure 2. Spatially nested hierarchical sampling design. In total, 486 samples were collected from 6 fields across 3 management types.
Figure 1 in Comparison of soil invertebrate communities in organic and conventional production systems in Southern Brazil
Figure 1. Location of sampling sites in Quitandinha county, part of the greater Curitiba metropolitan area, State of Paraná, Brazil.
Figure 2 in Comparison of soil invertebrate communities in organic and conventional production systems in Southern Brazil
Figure 2. Relative abundance of the most representative soil invertebrate groups (> 2 %) and the 'others' group of soil macrofauna (A) and soil mesofauna (B) in four land-use systems (NF = Native forest, OH = organic horticulture, RT = reduced tillage, and CH = conventional horticulture) in Quitandinha, Brazil.
Linked collectors and determiners for: Global soil organisms.
Natural history specimen data linked to collectors and determiners held within, "Global soil organisms". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/9f0e1ca6-fb08-4c72-9a4a-1e3b7a528c10">https://bionomia.net/dataset/9f0e1ca6-fb08-4c72-9a4a-1e3b7a528c10</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/9f0e1ca6-fb08-4c72-9a4a-1e3b7a528c10">https://gbif.org/dataset/9f0e1ca6-fb08-4c72-9a4a-1e3b7a528c10</a>. Formatted as a Frictionless Data package.
Evaluation of a microplate spectrophotometer for soil organic carbon determination in south central Idaho
<p>Determination of soil organic carbon (SOC) is highly desirable for assessing fertility and carbon sequestration; however, numerous methods of determination warrant study of method agreement. Recently, a novel method was developed following dichromate oxidation using a microplate spectrophotometer. This novel method was compared with (i) total C by dry combustion - soil inorganic carbon (DC<sub>w/o pretreatment </sub>- Pcal); (ii) traditional Walkley-Black titration (WBTIT) and (iii) loss on ignition (LOI<sub>360</sub><sub>°C</sub>) in calcareous soils of south central Idaho (n=75) in conjunction with North American Proficiency Testing program soils (n=10). A two-way ANOVA was fit with soils as a blocking factor to identify any difference between methods, means were separated using Tukey's HSD (α=0.05). Additional comparisons were made for all soils (n=85) and for soils in the lower 75<sup>th</sup> percentile of SOC determined by WBTIT (n=56) using regression analysis. Only the WBTIT and LOI<sub>360</sub><sub>°C</sub> methods were statistically equivalent nevertheless there was high agreement (Lin's concordance coefficients >0.90) between all methods (n=85). Under low SOC soils (n=56) the agreement between all methods decreased, but the WBSPEC method fit other methods comparatively well r<sup>2</sup>= 0.71, 0.74, and 0.78 for LOI<sub>360</sub><sub>°C</sub>, DC<sub>w/o pretreatment </sub>- Pcal, and WBTIT respectively. The WBSPEC method provided estimates of SOC between the methods currently used in the region while reducing hazardous waste generation over traditional WBTIT and sample handling over LOI<sub>360</sub><sub>°C</sub> and DC<sub>w/o pretreatment </sub>- Pcal methods, positioning it as a sensible option for SOC determination in low SOC calcareous soils of south central Idaho.</p>
Divergent contributions of living roots to turnover of different soil organic carbon pools and their links to plant traits
<p>1. Rhizodeposits and root litter contribute critically to soil organic carbon (SOC) formation and decomposition. This root-induced SOC turnover shows great interspecific variations. Bulk SOC consists of diverse functional pools differing in formation and stabilization. Yet, it remains unclear which plant traits regulate the effects of living roots on the turnover of different SOC pools across species.</p> <p>2. By performing <sup>13</sup>CO<sub>2 </sub>continuous<sub> </sub>labelling of six grassland species for a growing season in a climate-controlled chamber, we quantified the contributions of living roots to the dynamics of the fast-cycling particulate organic C and the slow-cycling mineral-associated organic C, and explored their relations to plant traits.</p> <p>3. The results showed that new root-derived SOC varied more than threefold among the six species. The variation in new root-derived SOC was best explained by the ratio of shoot to root biomass. Plant species with higher shoot:root ratio formed more new root-derived SOC. Most of the root-derived C (72%) was incorporated into the particulate organic C pool. All species caused positive rhizosphere priming effects (RPE), which varied sevenfold across species. Among plant traits, specific root length was the best predictor of interspecific variations in the RPE, with greater RPE associated with higher specific root length. Most of the RPE (70%) occurred in the mineral-associated organic C pool. Our results also showed that most plant species caused more old SOC decomposition via the RPE than new SOC formation, leading to net SOC losses, especially for the mineral-associated organic C pool.</p> <p>4. Overall, we provide novel insights into the effects of plant traits on root-induced turnover of particulate and mineral-associated organic C. Our findings should be valuable for understanding how specific plant traits regulate SOC accumulation and stabilization.</p>
Figures 1-2 from: van Gestel CAM, Loureiro S, Zidar P (2018) Terrestrial isopods as model organisms in soil ecotoxicology: a review. In: Hornung E, Taiti S, Szlavecz K (Eds) Isopods in a Changing World. ZooKeys 801: 127-162. https://doi.org/10.3897/zookeys.801.21970
Figures 1-2 1 Design of feeding inhibition tests with isopods, applying exposure through food (left) or to contaminated soil with contaminated or uncontaminated food (right). In the test with contaminated food only, the animals are kept on a net or gauze allowing also for collecting faeces produced; this will enable estimating food assimilation efficiency. By offering the animals pre-weighed disks or pieces of leaf, food consumption can easily be determined. 2 Design of an avoidance test with isopods. The test uses containers with two compartments. One compartment is filled with contaminated soil, the other one with clean soil. After two days of exposure, the position of the animals in the container is checked. By testing a range of concentrations, including a control (clean soil in both compartments), a dose-response relationship for avoidance may be obtained. The test may also be used to assess avoidance responses to field-contaminated soils, but in that case it might be more difficult to find a proper control soil. Drawing made by Paula Tourinho.
Figure 3 from: van Gestel CAM, Loureiro S, Zidar P (2018) Terrestrial isopods as model organisms in soil ecotoxicology: a review. In: Hornung E, Taiti S, Szlavecz K (Eds) Isopods in a Changing World. ZooKeys 801: 127-162. https://doi.org/10.3897/zookeys.801.21970
Figure 3 Schematic overview of the routes of uptake and internal processing of chemical pollutants in isopods. Adapted from Donker et al. (1996).
Covariates dataset for "Temporal harmonization of a national dataset for spatial prediction of soil organic carbon"
<p>Environmental covariates used to predict the spatial distribution of soil organic carbon for the article 'Temporal harmonization of a national dataset for spatial prediction of soil organic carbon'</p>
Supplementary material 1 from: Balestrini R, Delconte C, Buffagni A, Fumagalli A, Freppaz M, Calvo E, Buzzetti I (2019) Dynamic of nitrogen and dissolved organic carbon in an alpine forested catchment: atmospheric deposition and soil solution trends. In: Mazzocchi MG, Capotondi L, Freppaz M, Lugliè A, Campanaro A (Eds) Italian Long-Term Ecological Research for understanding ecosystem diversity and functioning. Case studies from aquatic, terrestrial and transitional domains. Nature Conservation 34: 41-66. https://doi.org/10.3897/natureconservation.34.30738
: Data type: statistical data
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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