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7,883 results for “Tropic”
FIGURES 51–54 in Nine new species of Horismenus Walker (Hymenoptera: Eulophidae) in Brazil, with an emphasis on the fauna of one of the largest tropical forests on the planet, the Atlantic Forest
FIGURES 51–54. Horismenus parvicavus sp. nov., female, holotype: 51, habitus, lateral view; 52, head, frontal view; 53, fore wing, admarginal setae indicated by circles; 54, mesosoma, dorsal view. MV = marginal vein; PM = postmarginal vein; ST = stigmal vein. Scale bar: 100 μm.
FIGURES 49–50. Horismenus spp., females. 49, H in Nine new species of Horismenus Walker (Hymenoptera: Eulophidae) in Brazil, with an emphasis on the fauna of one of the largest tropical forests on the planet, the Atlantic Forest
FIGURES 49–50. Horismenus spp., females. 49, H. novaiguassuensis sp. nov., paratype. 50, H. sagittatus sp. nov., holotype. E = eye; fc = frontal cross-carina; MS = malar space; su = malar sulcus. Scale bar = 50 μm.
Data from: Untangling the complex food webs of tropical rainforest streams.
<p>This submission encompasses biological data sampled in five stream stretches at the Cananeia watershed in São Paulo State (Brazil) in 2019.</p> <p>The dataset includes:</p> <p>1) Individually measured data from invertebrates and fish.</p> <p>2) Gut content data from fish species.</p> <p>3) Stable Isotopes data from animals and basal resources.</p> <p>4) A literature compilation of trophic interactions for the species in the dataset.</p>
ECMWF IFS potential salinity and temperature data interpolated to ALAMO float positions. Results of tropical cyclone tracking algorithm for TC Irma, Florence, Teddy and Ida simulations with ECMWF IFS.
<p>ECMWF IFS potential salinity and temperature data interpolated to ALAMO float positions. The data is from forecasts of tropical cyclone Irma, Florence, Teddy and Ida performed at horizontal atmosphere resolutions of TCo1279, TCo2559, TCo3999, TCo7999 and ocean resolutions of eORCA025 and eORCA025.</p> <p> </p> <p>Data also contains the results of tracking these tropical cyclones in the ECMWF IFS simulations. </p>
Data from: Seed functional traits as predictors of seedling establishment success in Brazilian tropical forest restoration
<p>Several ecological filters in deforested and degraded areas reduce seedling emergence and establishment and hinder ecological restoration by direct seeding. Understanding whether functional traits are related to a species' capacity to overcome these filters and predict their field performance might improve the success of direct seeding techniques for ecological restoration. We assessed eight seed functional traits of tropical tree species, seeking those that best explained their establishment success in direct seeding restoration projects. We analyzed a dataset from 52 studies that tested direct seeding techniques with tree species in Brazil. From each study, we collected the mean establishment percentage for all tree species. Seed mass, cotyledon function, and germination speed were the only functional traits that significantly affected the species establishment percentage in direct seeding restoration projects. Species with larger seeds, storage cotyledons, and faster germination had higher establishment percentages. Choosing species with these functional traits for seed mixes will provide higher establishment percentages and, consequently, improve restoration success by direct seeding techniques.</p>
Data from: Evolutionary patterns of ploidy and genome size variations show positive correlations with taxonomic diversity in tropical gingers (Zingiberaceae)
<p><strong>Premise: </strong>Cytogenetic traits such as an organism's chromosome number and genome size are taxonomically critical and can define angiosperm diversity. Variations in these cytogenetic traits by evolutionary processes such as polyploidization are known to be common, although underexplored in tropical plants. Zingiberaceae is a pantropical monocot family with ~1500 species where cytogenetic characters have often been used to define taxonomic boundaries, but a family-wide synthesis of cytogenetic patterns is absent.</p> <p><strong>Methods:</strong> A time-calibrated Bayesian phylogenetic tree was constructed to test for different models of chromosome number and genome size evolution in Zingiberaceae. We next tested how chromosome number and genome size variations differed with lineage-age, taxonomic diversity, and distributional range at two taxonomic ranks: within the family Zingiberaceae, and in the genus Hedychium using correlations, generalized linear models and phylogenetic least square models.</p> <p><strong>Key results:</strong> The most frequent changes in chromosome number within Zingiberaceae were demi-polyploidization and polyploidization (~57 % of the time), followed by ascending dysploidy (~27 %). The subfamily Zingiberoideae showed descending dysploidy at its base, while Alpinioideae showed polyploidization at its internal nodes. Although chromosome counts and genome sizes did not corroborate with each other, suggesting that they are not equivalent, at both taxonomic ranks, higher chromosome number variations and higher genome size variations were associated with higher taxonomic diversity and wider biogeographic distribution.</p> <p><strong>Conclusions:</strong> Within Zingiberaceae, multiple incidences of polyploidization were discovered, and these cytogenetic events appear to have impacted the morphology, decreased genome sizes, and increased taxonomic diversity, distributional range and invasiveness of plants within this family. </p>
Data for Nicolas & Boos, "Sensitivity of tropical orographic precipitation to wind speed with implications for future projections"
<p><span>This directory contains all data used in producing the plots in Nicolas & Boos (2024), "Sensitivity of tropical orographic precipitation to wind speed with implications for future projections". It is divided in four subdirectories:</span></p> <p><span> - wrfData contains processed simulation output needed to reproduced figures 1, 2, and SI figure 1.</span></p> <p><span> - regionsData and globalData contain processed observational (APHRODITE and IMERG) and ERA5 data necessary to reproduce figure 3 and SI figures 2 and 3.</span></p> <p><span> - cmipData contains processed CMIP surface wind data necessary to reproduce figure 4.</span></p> <p><span>Code used in producing these figures will be made available and linked to this dataset once any needed revisions are complete.</span></p>
Spatio-temporal Characterization of Coherent Structures in Simulated Tropical Cyclone Boundary Layer
<p>Jupyter-notebooks to read and analyze processed outputs from three Tropical Cyclone (TC) simulations (CONTROL, LOWOR, and NONPARAM) and plot figures. The datasets are large and can be made available by the authors upon request.</p>
Tracking climate vulnerability across spatial distribution and functional traits in Magnolia gentryi from the Peruvian tropical montane cloud forest
<p>Understanding the responses of tree species' functional traits to climate variability is essential for predicting the future of Tropical Montane Cloud Forest (TMCF) tree species through acclimation, especially in Andean montane environments where fog pockets act as moisture traps. We studied the distribution of <em>Magnolia gentryi</em> to measure its spatial arrangement and identify local hotspots, while also evaluating the extent to which climate-related factors are associated with its distribution. Finally, we analyzed variations in 13 functional traits of <em>M. gentryi</em> and the climate links to infer the shaping plant acclimate capacity. Our results show that Andean TMCF climatic factors constrain <em>M. gentryi</em> spatial distribution with significant patches or gaps, associated with high precipitation rates and mean minimum temperature. The functional traits of <em>M. gentryi</em> are constrained by Andean TMCF climatic factors, resulting in reduced within-species acclimation in functional traits associated with a hydric deficit. The association between functional traits and climate oscillation is crucial for understanding the growth conditions of relict-endemic species and is essential for conservation efforts. Changes in forest trait diversity and species composition occur because of fluctuations in hydraulic safety–efficiency gradients.</p>
Supporting files for "Towards understanding the differences between mesoscale and large-eddy simulations of tropical cyclones"
<p>This deposit includes the time- and azimuth-averaged velocity fields for the five idealized tropical cyclones described in "Towards understanding the differences between mesoscale and large-eddy simulations of tropical cyclones". The horizontal wind speed magnitude, radial velocity, tangential velocity, vertical velocity, and potential temperature fields are included for the mesoscale (d01) and LES (d02) domains.</p>
Treasure Bowl: PM2.5 Aggregation in the Eye of a Tropical Cyclone
<p>The measured data for the manuscript "Treasure Bowl: PM2.5 Aggregation in the Eye of a Tropical Cyclone"</p>
Replication of manuscript entitled "Tropical eastern Pacific cooling trend reinforced by human activity"
<p>NCAR Command Language (NCL) codes and data for replicating main figures in a manuscript published in npj Climate and Atmospheric Science</p>
Data for "The 20-year highest tropical cyclone-generated waves associated with the maximum energy of seismic noises" (Subset 4)
<p>This is dataset of ocean wave simulations used in the paper "The 20-year highest tropical cyclone-generated waves associated with the maximum energy of seismic noises" by Shimura et al. (submitted).</p> <p>The dataset contains </p> <ul> <li>significant wave height (Subset 1),</li> <li>wave induced surface pressure (Subset 2)</li> <li>long-period componet of wave heights (Subset 3)</li> <li>long-period component of surface pressure (Subset 4)</li> </ul> <p>during 2004 from 2023 summer. </p>
Data for "The 20-year highest tropical cyclone-generated waves associated with the maximum energy of seismic noises" (Subset 1)
<p>This is dataset of ocean wave simulations used in the paper "The 20-year highest tropical cyclone-generated waves associated with the maximum energy of seismic noises" by Shimura et al. (submitted).</p> <p>The dataset contains </p> <ul> <li>significant wave height (Subset 1),</li> <li>wave induced surface pressure (Subset 2)</li> <li>long-period componet of wave heights (Subset 3)</li> <li>long-period component of surface pressure (Subset 4)</li> </ul> <p>during 2004 from 2023 summer. </p>
Data for "The 20-year highest tropical cyclone-generated waves associated with the maximum energy of seismic noises" (Subset 2)
<p>This is dataset of ocean wave simulations used in the paper "The 20-year highest tropical cyclone-generated waves associated with the maximum energy of seismic noises" by Shimura et al. (submitted).</p> <p>The dataset contains </p> <ul> <li>significant wave height (Subset 1),</li> <li>wave induced surface pressure (Subset 2)</li> <li>long-period componet of wave heights (Subset 3)</li> <li>long-period component of surface pressure (Subset 4)</li> </ul> <p>during 2004 from 2023 summer. </p>
FIGURE 2 in Species distribution ranges of Ilyocryptus Sars, 1862 (Cladocera: Ilyocryptidae) fit the transitional zone between Boreal and Tropical Provinces in the Far East
FIGURE 2. Ilyocryptus yooni Jeong et al., 2012, an adult parthenogenetic female from a large pond in Ho Chi Minh City, South Vietnam: A, general view. B, setae at posterior valve margin. C, postabdomen. D, Its preanal portion. E, Distal portion of postabdomen. F, Antenna I. Scale bars: 0.1 mm.
FIGURE 1 in Species distribution ranges of Ilyocryptus Sars, 1862 (Cladocera: Ilyocryptidae) fit the transitional zone between Boreal and Tropical Provinces in the Far East
FIGURE 1.Original records of Ilyocryptus present in southern and northern territories of the Pacific Region only (A), and penetrating the transitional zone between Boreal ("Palaeactic") and Oriental Provinces (B). Abbreviations: WE—species widely distributed in North Eurasia; ST—southern tropical species; EN—Far Eastern endemics.
FIGURE. 3. Ilyocryptus bharwaji Battish, 1981 in Species distribution ranges of Ilyocryptus Sars, 1862 (Cladocera: Ilyocryptidae) fit the transitional zone between Boreal and Tropical Provinces in the Far East
FIGURE. 3. Ilyocryptus bharwaji Battish, 1981, parthenogenetic female from Klong Rangsit, Bangkok, Thailand: A, general view. B, Head, anterior view. C, postabdomen. D–E, Antenna I. F, antenna II. G–H, its exopod and endopod. Scale bars: 0.1 mm.
Data for "Enhanced "wind-evaporation effect" drove the "deep-tropical contraction" in the early Eocene"
<p>This repository includes the data for the paper "Enhanced “wind-evaporation effect” drove the “deep-tropical contraction” in the early Eocene" (Ren et al., 2024). It contains the coupled model data we conducted.</p>
CESM1.2 simulations of Tropical Pacific heat budget and other properties across Pleistocene and Holocene climatic boundary intervals
<p>These .mat datasets contain output from Version 1.2 of the Community Earth System Model (CESM1.2) for the Tropical Pacific heat budget pertaining to ENSO feedback analysis under the following climatic boundary conditions: 0 ka, 3 ka, 6 ka, 9 ka, 12 ka, 15 ka, 18 ka, 21 ka, and 2xCO2 and 4xCO2 boundary conditions. For more information refer to Thirumalai et al. (2024; Nature).</p>
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Allen Brain Atlas
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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.