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102 results for “edaphic”
Data for: Diversity of Functional Edaphic Macrofauna in Musa acuminata x Musa balbisiana (AAB) Agroecosystems
<p>The Dataset is linked to the article <strong>Diversity of Functional Edaphic Macrofauna in <em>Musa acuminata x Musa balbisiana</em> (AAB) Agroecosystems.</strong> The collected individuals were analyzed by order, and family and quantified and identified by gender (Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187.), The collection and taxonomic identification phase is explained in the protocol.i (dx.doi.org/10.17504/protocols.io.rm7vzby75vx1/v1).</p> <p>This dataset was a modification as was indicated for the #GlobalSoilMacroFauna | Official template to report Data to the MACROFAUNA database (<a href="../records/7691884">#GlobalSoilMacroFauna | Official template to report Data to the MACROFAUNA database (zenodo.org)</a>) cited by [Mathieu, J., Antunes, A. C., Barot, S., Bonato Asato, A. E. ., Bartz, M. L. C. ., Brown, G. G., Calderon-Sanou, I., Decaëns, T., Fonte, S. J., Ganault, P., Gauzens, B., Gongalsky, K. B., Guerra, C. A., Hengl, T., Lavelle, P., Marichal, R., Mehring, H., Peña-Venegas, C. P., Castro, D., Potapov, A., Thébault, E., Thuiller, W., Witjes, M., Zhang, C., & Eisenhauer, N. (2022). sOilFauna - a global synthesis effort on the drivers of soil macrofauna communities and functioning: WORKSHOP REPORT . <em>SOIL ORGANISMS</em>, <em>94</em>(2), 111–126. https://doi.org/10.25674/so94iss2id282]</p>
PEW01 Plant species composition and edaphic properties in wallow and non-wallow plots at Konza Prairie
Bison wallows—bare depressions formed by repeated trampling and dust-bathing—introduce fine-scale heterogeneity to tallgrass prairie soils and plant communities. We compared plant communities and edaphic properties of wallows to adjacent non-wallow plots and cattle-grazed plots. Wallows had reduced organic matter and nitrogen but elevated clay and sodium. Non-fenced wallows had lower plant species richness than fenced wallows and all non-wallows. However, wallows supported distinct plant communities, including wetland species in temporary pools. While bison-grazed areas generally had higher plant diversity, wallows added localized variation not found in cattle or fenced plots. Our results suggest wallows function as small-scale ecosystem engineering features, shaping soil conditions and plant composition.
Data for Water inputs across the Namib Desert: implications for dryland edaphic microbiology
<p>These are the data files required to run the analyses in Water inputs across the Namib Desert: implications for dryland edaphic microbiology.</p>
Figure 1 in Edaphic Oniscidea, Diplopoda and Chilopoda from Pădurea Călugărească (South-Eastern Romania)
Figure 1. Sampling points locations in Pădurea Călugărească (purple circles) within the three habitats (H1-orange; H2- yellow; H3-red); inset: map of Romania showing the location of Pădurea Călugărească.
Fig. 2 in Saproxylic weevils and edaphic beetles as indicators of environmental quality of relict forests in Piedmont lowlands (Coleoptera)
Fig. 2 – Map of Parco della Partecipanza, completely surrounded by agroecosystems. Map data: Google Earth, Maxar Technologies, used according to Google Earth Terms of Service.
Fig. 1 in Saproxylic weevils and edaphic beetles as indicators of environmental quality of relict forests in Piedmont lowlands (Coleoptera)
Fig. 1 – The collecting sites. Map data: Google Earth, Maxar Technologies, used according to Google Earth Terms of Service.
Fig. 5 in Saproxylic weevils and edaphic beetles as indicators of environmental quality of relict forests in Piedmont lowlands (Coleoptera)
Fig. 5 – Some of the weevils collected in the research. a, Kyklioacalles navieresi (Boheman, 1837); b, Kyklioacalles aubei (Boheman, 1837); c, Acalles echinatus (Germar, 1824); d, Echinodera hypocrita (Boheman, 1837). From Stüben (2014-2020), used with permission.
Fig. 2 in Diversity and abundance of edaphic arthropods associated with conventional and organic sugarcane crops in Brazil
Fig. 2. Principal component analysis of the arthropod communities in organic (ORG) and conventional (CON) sugarcane fields.
Fig. 1 in Diversity and abundance of edaphic arthropods associated with conventional and organic sugarcane crops in Brazil
Fig. 1. Curve estimating species richness of edaphic arthropods in conventional and organic sugarcane fields in Jaboticabal, São Paulo, Brazil. Error bars represent the standard deviation.
Linked collectors and determiners for: Size Spectra of the edaphic fauna of Argiudol typical soils of the rolling Pampa region, Argentina.
Natural history specimen data linked to collectors and determiners held within, "Size Spectra of the edaphic fauna of Argiudol typical soils of the rolling Pampa region, Argentina". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/6c685c4f-021a-40e2-a8a0-ac0ffc84c215">https://bionomia.net/dataset/6c685c4f-021a-40e2-a8a0-ac0ffc84c215</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/6c685c4f-021a-40e2-a8a0-ac0ffc84c215">https://gbif.org/dataset/6c685c4f-021a-40e2-a8a0-ac0ffc84c215</a>. Formatted as a Frictionless Data package.
Figure 2 in Edaphic characteristics and environmental impact of rubber tree plantations on soil mite (Acari) communities
Figure 2 Abundance logarithmic transformation – logx (+1) of Gamasida (A) and Oribatida (B) major groups across the land use types. SF: secondary forests, R7: 7-year-old rubber plantations, R12: 12- year-old rubber plantations, R25: 25-year-old rubber plantations. N = 120; one-way ANOVA test,p
Soil nitrous oxide (N2O) and carbon dioxide (CO2) flux from a Central Iowa crop field and accompanying soil edaphic and climatic variables.
To quantify the magnitude of soil nitrous oxide flux and the drivers of nitrous oxide emissions in a representative central Iowa corn-soybean agricultural system, we measured greenhouse gas emissions (N2O and CO2) from 2017 to 2019 (primarily using custom automated chambers) along with soil chemical and physical parameters across a topographic gradient in a typically managed agricultural field near Ames, Iowa, USA. More details can be found in the associated manuscript, Lawrence et al. (2021).
Data from: The edaphic control of plant diversity
<p>BACKGROUND: The central thesis of plant ecology is that climate determines the distribution of global vegetation. Within a vegetation type, however, finer-scale environmental features such as the physical and chemical properties of soil (edaphic variation) control plant distributions and diversity patterns.<br> <br> AIMS: Here, we review the literature to provide a mechanistic framework for the edaphic control of plant diversity. First, we review three examples where soils have known, prevalent effects on plant diversity: during soil formation, on unusual soils, and in regions with high edaphic heterogeneity. Second, we synthesize how edaphic factors mediate the relative importance of the four key processes of community assembly (speciation, ecological drift, dispersal, and niche selection). Third, we review the potential effects of climate change in edaphically heterogeneous regions. Finally, we outline key knowledge gaps for understanding the edaphic control of plant diversity. In our review, we emphasize floras of unusual edaphic areas (i.e., serpentine, limestone, granite), as these areas disproportionately contribute to the world's biodiversity hotspots.<br> <br> TAXA: Terrestrial plants<br> <br> LOCATION: Global<br> <br> CONCLUSION: Edaphic variation is a key driver of biodiversity patterns and influences the relative importance of speciation, dispersal, ecological drift, niche selection, and interactions among these processes. Research is still needed to better understand the underlying mechanisms by which edaphic variation influences these community assembly processes, and unusual soils provide excellent natural systems for such tests. Furthermore, incorporating edaphic variation into climate change research will help increase the predictive power of species distribution models, help identify potential climate refugia, and help identify species with adaptations that buffer them from climate change.</p>
Data from: Edaphic factors, successional status, and functional traits drive habitat associations of trees in naturally regenerating tropical dry forests
1. Many studies have examined individual environmental drivers of tropical tree species distributions, but edaphic and successional gradients have not been considered simultaneously. Furthermore, determining how functional traits influence species distributions along these gradients may help to elucidate mechanisms behind community assembly. 2. To assess the influence of environmental filtering on tropical dry forest (TDF) tree species distributions we used forest inventory data from sites with large edaphic and successional gradients in NW Costa Rica. Our goals were to determine (1) whether edaphic or successional factors are more important determinants of the abundance of individual tree species in regenerating TDF, (2) how species-level functional traits are related to edaphic and/or successional niche associations of tree species, and (3) correlations between species-level edaphic and successional niche associations. 3. The distributions of 82 focal tree species were strongly driven by both edaphic and successional gradients. Overall, 94% of species responded to soil chemistry, 89% to soil texture, and 94% to stand age gradients. Some functional traits were correlated with the edaphic and successional niche associations of TDF tree species. Species that specialized on soils with high total nutrient concentrations had higher foliar nutrient concentrations (nitrogen and phosphorus) and lower leaf dry matter content (LDMC). Species with wider stand age niches had lower LDMC and wood density. There were no correlations between edaphic and successional niche optima of TDF tree species. 4. Our results indicate that successional and edaphic gradients concurrently drive community assembly in regenerating TDF. Moreover, our work underscores the importance of considering how the functional characteristics of TDF trees dictates species distributions across environmental gradients.
Daily fraction of photosynthetically active radiation (fPAR), edaphic, and weather conditions from 20220410 to 20230409 in Kulen, Cambodia
<ol><li><strong>Sub-title 1:</strong> Daily mean and standard deviation of Soil water content, soil temperature, soil saturation extracted electrical conductivity of evergreen forests, regrowth forests, and cashew plantations in Kulen, Cambodia. (<strong>File name:</strong> <i>Edaphic_fPAR_Pub.txt</i>)</li><li><strong>Sub-title 2:</strong> Daily weather condition data from 20220410 to 20230409 in Kulen, Cambodia. (<strong>File name:</strong> <i>Weather_Pub.txt</i>)</li><li><strong>Sub-title 3:</strong> Photosynthetically active radiation (<i>PAR</i>) data from 20220410 to 20230409 in Kulen weather station, Cambodia. (<strong>File name:</strong> <i>PARa_Pub.txt</i>)</li></ol>
Edaphic heterogeneity and the evolutionary trajectory of Amazonian plant communities
<p>Fern community data.</p>
Polyploidy promotes divergent evolution across the leaf economics spectrum and plant edaphic niche in the Dianthus broteri complex
<ol> <li>The evolution of the leaf economics spectrum (LES) is known to be constrained by genetic relatedness but also promoted at small geographic and phylogenetic scales. In those cases, we hypothesised that polyploidy would play a prominent role as an outstanding source of functional divergence and adaptive potential.</li> <li>We registered leaf-level nutrient, water and light economy related traits from the LES as well as edaphic properties in the four cytotypes of the autopolyploid <i>Dianthus broteri</i> complex (2×, 4×, 6× and 12×). We analysed the effect of ploidy level on the integration of the LES network, checked if concerted evolution occurred between LES and soil niche and tested the influence of phylogeny on the variables. Alternative evolutionary models for both sets of traits were compared.</li> <li> <span>We found higher divergence of polyploids (especially 6</span>×<span> and 12</span>×<span>) compared to diploids</span> in the LES and soil niche, but these traits are not coevolving. <span>6</span>×<span> and 12</span>× showed opposite ecological strategies regarding resource use and higher uncoupling of the LES network. Early divergence of traits prevailed in both LES and edaphic niche (supported by better fitted evolutionary models with one optimum per cytotype), but post-polyploidization processes played an important role for the photochemical behaviour.</li> <li> <i>Synthesis.</i><b> </b><span>Our results indicated shifts in ecological strategies across <i>D. broteri</i> cytotypes and suggested a powerful role of polyploidy in overcoming constraints for the evolution of plant functional traits.</span> </li> </ol>
Plant specialisation may limit climate‐induced vegetation change to within topographic and edaphic niches on a sub‐Antarctic island
<p>Extreme changes in temperature, rainfall and wind regimes have been correlated with plant species range expansion upslope on sub-Antarctic islands. Ongoing climatic changes are expected to continue driving changes in species distributions globally, but niche specialisations may limit the capacity for range shifts. We hypothesised that non-climatic characteristics of ecological niches of vascular plant species could limit climate induced range shifts. We determined the altitudinal ranges of vascular plant species (n=13) on sub-Antarctic Marion Island and measured air temperature, topographic, foliar and soil properties along transects on geologically distinct substrates. Climatic and non-climatic associations were determined using multiple linear regression and boosted regression tree (BRT) analyses. The degree of niche specialisation was determined using outlying mean index analysis (OMI) within the range of species on the island. Several species (7 of 13) exhibited niche-specialisation. Correlation analysis revealed that edaphic properties including soil depth, loss on ignition, the principal component of most soil nutrients (Mg, Cl, K, Ca, Cu, Zn, P, S), Si, Mn and clay dominated the BRT prediction of overall plant cover. Although air temperature was correlated with plant cover in linear models, model simplification dropped temperature in both BRT and linear models. As a consequence, multiple determinants, including temperature, climate, topography and soils control the distribution of vascular plant species on this sub-Antarctic island.</p>
Relationship of woody species composition with edaphic characteristics in threatened riparian Atlantic Forest remnants in the upper Rio Doce basin, Brazil
<p class="MsoNormal"><span>Studies on the composition, richness, and diversity of plant species in <span>tropical</span> communities are essential for understanding relevant ecological processes and for developing appropriate conservation policies. </span><span>Considering that areas subject to direct impacts due to dam breach may in the long-term present changes in species composition and in soil parameters, we evaluated the composition of the flora, described the current vegetation profile, and evaluated whether differences in species composition was influenced by soil variables of three areas along the Gualaxo River, in Minas Gerais State, Brazil. In addition, we identified important plant species through occurrence and phytosociological parameters for ecological restoration projects in the affected region, serving as reference areas. We sampled plant species with DBH ≥ 5 cm (diameter at breast height – measured 1.30 m above ground level) in 77 plots distributed in three riparian forest areas. We calculated phytosociological parameters and related them to edaphic factors. </span><span>A total of 1579 individual plants belonging to 53 botanical families and 227 species were sampled in the three areas. The Fabaceae family was the most representative with 46 species. </span><span>Species composition and diversity among the sampled areas was similar and was associated with edaphic factors. Furthermore, some species (e.g. <em>Xylopia sericea</em>, <em>Cupania emarginata</em> and <em>Ocotea pulchalla</em>) showed an important relation with soil variables. Some species of the genera (e.g., <em>Byrsonima</em>, <em>Xylopia</em>, <em>Ocotea</em>, and <em>Croton</em>) and families (e.g., Fabaceae and Myrtaceae) found here, can be important species in the restauration process for the local and regional maintenance of floristic identity in the Rio Doce river.</span></p>
Elevational range-sizes and edaphic associations for plant species of the Mount Kinabalu region of Borneo (Sabah, Malaysia)
<p>Identifying physical and ecological boundaries that limit where species can occur is important for predicting how those species will respond to global change. The island of Borneo encompasses a wide range of habitats that support some of the highest richness on Earth, making it an ideal location for investigating ecological mechanisms underlying broad patterns of species distribution. We tested variation in richness and range-size in relation to edaphic specialization and vegetation zone boundaries using 3060 plant species from 193 families centered around the elevational gradient of Mt. Kinabalu, Borneo. Across species, average range-size increased with elevation, consistent with Rapoport's rule. However, plants associated with ultramafic soil, which is low in nutrient and water availability and often has high concentrations of heavy metals, had larger range-sizes and greater richness than expected along the elevational gradient, as compared to a null model with randomization of edaphic association. In contrast, non-ultramafic species had smaller range-sizes and lower richness than expected. These results suggest that tolerance of resource limitation may be associated with wider range-sizes, whereas species intolerant of edaphic stress may have narrower range-sizes, possibly owing to more intense competition in favorable soil types. Using elevation as a predictor of average range-sizes, we found that piece-wise models with breakpoints at vegetation zone transitions explained species distributions better than models that did not incorporate ecological boundaries. The greatest relative increases in range-size with respect to elevation occurred mid-elevation, within the montane cloud forest vegetation zone. Expansion of average range-size across an area without physical boundaries may indicate a shift in ecological strategy and importance of biotic versus abiotic stressors. Our results indicate that elevational range-size patterns are structured by ecological constraints such as species' edaphic association, which may limit the ability of species to migrate up or down mountains in response to climate change.</p>
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