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77 results for “deposition analysis”
Larger pollinators deposit more pollen on stigmas across multiple plant species – a meta-analysis
<p>Abstract</p> <p><b>1.</b> Many insect species provide essential pollination services. However, the amount of pollen deposited onto a stigma when visiting a flower ("single visit pollen deposition", SVD) can vary greatly among taxa depending on morphological traits of pollinators. Further, SVD is commonly measured using one of two methods ('static': waiting for an insect to visit a flower present on plant, and 'active': removing the flower and presenting it to a flower visitor) that may also differ in their effectiveness.</p> <p><b>2.</b> To gain a more comprehensive understanding of how SVD compares among pollinators, we conducted a hierarchical meta-analysis using data from 28 studies identified by a systematic review. These contained SVD data for 94 bee and 33 fly taxa (hereafter "wild pollinators"), across 30 plant species from which we included 127 observations. In the analysis of each study, we used the western honey bee (<i>Apis mellifera</i>) as a comparator species.</p> <p><b>3.</b> Wild pollinators deposited more pollen onto stigmas per single visit than honeybees, and those with larger body deposited significantly more pollen than smaller ones. Of the two methodological approaches to assess SVD, 'static' versus 'active', we found no significant difference regarding the amount of deposited pollen.</p> <p><b>4.</b> <i>Synthesis and applications. </i>Our meta-analysis highlights the breadth of wild pollinators that contribute to pollination effectiveness via their delivery of pollen to many crop and non-crop plant species. However, just 25% of the observations assessed the amount of pollen deposited by fly species. Our findings point to the need to further quantify the pollination effectiveness of non-bee pollinators as studies have largely focused on managed and wild bee species.</p>
Tsunami Deposits in the Guerrero Seismic Gap, Mexico: Insights from Location Analysis, Earthquake and Tsunami Models, and Proxy Dataset
<p><strong>Globally, the most significant tsunamigenic earthquakes have occurred along subduction zones. Catastrophic events surpassing magnitude 9, such as those witnessed in Chile, Sumatra, and Japan, have occurred in regions where instrumental records of similar events are lacking. Despite the absence of such occurrences along the 1000-kilometer-long Mexican subduction zone, historical and geological evidence strongly suggests the likelihood of a magnitude 8.6 tsunamigenic earthquake. However, the Guerrero seismic gap has remained devoid of high-magnitude earthquakes for over a century. In this study, we present findings from analyses of sediment grain size, geochemistry, microfossils, magnetic properties, and radiometric and optically stimulated luminescence dating conducted along the Guerrero coast. Our research provides compelling evidence of a 2000-year history of significant tsunamis triggered by potentially large earthquakes. Numerical modeling reinforces our conclusions, pointing to a magnitude >8 event occurring around the year 1300 in the Guerrero seismic gap. This evidence underscores the critical importance of evaluating earthquake and tsunami potential through long-term evidence and instrumental observations along subduction zones globally. Additionally, this dataset includes the locations of study sites, proxy data, and earthquake and tsunami models.</strong></p> <p><strong>Source data:</strong></p> <ol> <li>Grain size - Figure S1</li> <li>Geochemical - Figure S2</li> <li>Maximum tsunami wave amplitude - Figure 3d and S4</li> <li>Maximum tsunami wave amplitude - Figure S5c</li> </ol> <p> </p>
Fig. 16 in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 16 Limestones from the Padina Brașoavei outcrop (Urdărița horst). a Limestones from the lower part of the succession [(the yellow arrows indicates the first brecciated level (with green-greyish matrix), while the red arrows indicate the second, black pebble bearing brecciated level]. b Well-bedded limestones from the upper part of the succession. c, d Fine laminated fenestral limestones from the lower part (c) and the upper part (d) of the succession. e The first brecciated level, with green-greyish matrix. f Black pebble-bearing level.
Fig. 2 Reefal facies. a-c in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 2 Reefal facies. a-c Coral-microbial boundstone; coral colonies are heavily encrusted by problematic microorganisms (a) or bordered by syndepositional, radiaxial-fibrous cements (b). d-h Bioclastic packstone (d, e, g-h) and bioclastic grainstone (f) internal sediment with dasycladalean algae [Steinmanniporella kapelensis (Sokač & Nikler)] (d), sponges (e), mollusks, corals, Crescentiella (f), microstalactitic (g) and microthrombolitic (h) microbial crusts.
Fig. 14 in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 14 Micro-cycles within supratidal carbonates. Alternations of fractured fenestral non-fossiliferous mudstone and ostracod-bearing mudstone; horizontal, oblique and vertical cracks are present within the non-fossiliferous levels (1); fractured cavities contain vadose silt; storm deposits (2) and pond type facies (ostracod-bearing mudstone) (3).
Fig. 10 Intertidal limestones. a in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 10 Intertidal limestones. a Fine laminated peloidal grainstone; well-sorted limestones with frequent ripples (1) and horizontal or small-scale oblique laminations (2). b Subaerially exposed fenestral peloidal-bioclastic grainstone with vadose microstalactitic cement (arrowed).
Fig. 18 in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 18 Main microfossils from the Cheile Dămbovicioarei Formation. a Bramkampella arabica; b Selliporella neocomiensis; c Pseudocymopolia jurassica; d Salpingoporella praturloni; e, f Haplophragmoides joukowskyi; g Montsalevia salevensis; h Scythiolina sp.; i Pseudotextulariella courtionensis; j Coscinoconus cherchiae; k Coscinoconus cf. perconigi; l Coscinoconus cf. campanellus; m Danubiella gracilima; n, o Paracoskinolina? jourdanensis; p Protopeneroplis ultragranulata; q Thaumatoporella parvovesiculifera. Scale-bar = 0.25 mm (a-c, e-q); 0.50 mm (d).
Fig. 13 Supratidal limestones. a in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 13 Supratidal limestones. a Fenestral muds with horizontal, vertical and oblique desiccation cracks. The horizontal cracks are parallel with the lamination while the upper part of the cracks is filled with vadose silt (arrow). b, c Pedogenetically modified supratidal limestones. Fractured fenestral mudstone (b, c); it contains horizontal, oblique and vertical cracks; c, detail of b; cavities are filled by micro-stalactitic and meniscus cements which from vadoid crusts (arrows 1); the lower part of the cavities contains vadose silt (arrow 2).
Fig. 1 in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 1 Location of the Cheile Dâmbovicioarei within the Dâmbovicioara Area. a Location of the Dâmbovicioara zone on the Romanian map; b Location of the sampled profile on the geological map 1:50000 (redrawn from Dimitrescu et al., 1971 and Patrulius et al., 1971).
Fig. 19 in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 19 Distribution of main microfossils from Dâmbovicioarei Gorges. Facies legend: 1, reef limestone; 2, intraclastic bioclastic rudstone/grainstone with black pebbles; 3, predominantly micritic-fenestral limestone; 4, predominantly peloidal-cyanobacterial fenestral limestone; 5, bioclastic-intraclastic rudstone and grainstone; 6, marls; F-fault.
Text-fig. 1. Taphonomic and pathological phenomena of cave bear bones from Late Pleistocene deposits from Vařekova chodba in Za Hájovnou Cave (Moravia, the Czech Republic); a – fragment of vertebra with bite marks; b – fragment of right humerus, proximal part with bite marks; c – thoracic vertebra with pathological rib facet; d–e – fused left astragalus with left calcaneus (d: medial view, e: dorsal view). in Basic Population And Taphonomic Analysis Of Bear Assemblages From Za Hájovnou Cave (Moravia, The Czech Republic): A Fossil Record From 1987-2007
Text-fig. 1. Taphonomic and pathological phenomena of cave bear bones from Late Pleistocene deposits from Vařekova chodba in Za Hájovnou Cave (Moravia, the Czech Republic); a – fragment of vertebra with bite marks; b – fragment of right humerus, proximal part with bite marks; c – thoracic vertebra with pathological rib facet; d–e – fused left astragalus with left calcaneus (d: medial view, e: dorsal view).
Larger pollinators deposit more pollen on stigmas across multiple plant species – a meta-analysis
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Transcriptomic Analysis between Normal and High-intake Feeding Geese Provides Insight into Adipose Deposition and Susceptibility to Fatty Liver in Migratory Birds
GEO Series GSE119421. Anser cygnoides. 18 samples. Type: Expression profiling by high throughput sequencing; Non-coding RNA profiling by high throughput sequencing.
Transcriptome analysis unveils multiple reasons behind delayed and slower deposition of intramuscular fat compared to subcutaneous fat in cattle
GEO Series GSE290253. Bos taurus. 10 samples. Type: Expression profiling by high throughput sequencing.
Genome wide uH2A localization analysis highlights Bmi1-dependent deposition of the mark at repressed genes.
GEO Series GSE15896. Mus musculus. 2 samples. Type: Genome binding/occupancy profiling by high throughput sequencing.
Comprehensive analysis of the SWR1 complex reveals the coupling of H2A.Z deposition with nucleosome sliding in Arabidopsis [RNA-Seq]
GEO Series GSE139458. Arabidopsis thaliana. 10 samples. Type: Expression profiling by high throughput sequencing.
RNA-Seq Analysis of Genes Differentially Expressed across temporal and spatial deposition of wall ingrowths in Arabidopsis Phloem Parenchyma Transfer Cells
GEO Series GSE107778. Arabidopsis thaliana. 18 samples. Type: Expression profiling by high throughput sequencing.
Fig. 6 in Microfacies Analysis And Depositional Environments Of The Tithonian-Valanginian Limestones From Dâmbovicioara Gorges (Cheile Dâmbovicioarei), Getic Carbonate Platform, Romania
Fig. 6 Peritidal limestones from the Dâmbovicioara Gorges.
Analysis of Tumor Deposit at the Fusion Site of the Right Gastric Mesentery and Left Gastric Mesentery in the Patients With Gastric Cancer Who Received Proximal Gastrectomy
ClinicalTrials.gov study NCT06728891. IPD Sharing: UNDECIDED. Countries: 1. Publications: 0.
Analysis of Deposition With Nebulizers Membrane
ClinicalTrials.gov study NCT02501655. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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