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1,104 results for “arid”
Spring Precipitation Amount and Timing Predict Restoration Success in a Semi-Arid Ecosystem Code and Data
<table> <tbody> <tr> <td>The data here is summary data compiled from all years of the project that lead to the publication Spring Precipitation Amount and Timing Predict Restoration Success in a Semi-Arid Ecosystem with the Journal of Applied Ecology and code to analyze these data. Our study was focused on the Northern Great Basin ecosystem. We conducted surveys at 48 sites over the course of five years (2016-2020). All were located on public lands managed by either the Bureau of Land Management, Idaho Department of Lands, or Oregon State Lands Department. We looked at the influence of management, biotic, abiotic and weather variables predicting seedling establishment success, 45 predictor variables in all. Machine learning techniques were used to select most important predictor variables to be used in future work predicting good seedling establishment windows. </td> </tr> </tbody> </table>
Accompanying data for the open-source book Modeling of Hydrological Systems in Semi-Arid Central Asia
<p>This data set is used to reproduce examples in the open-source book <a href="https://hydrosolutions.github.io/caham_book/">"Modeling of Hydrological Systems in Semi-Arid Central Asia"</a> which is part of a free course on hydrological modeling in Central Asia. The course teaches how to use publicly available data to implement a hydrological model for climate impact studies (Marti et al., 2023). </p> <p>To use the data set to reproduce the examples in the book: Download the book from https://doi.org/10.5281/zenodo.6350042 and this data set to the same hierarchical level in your file system: </p> <p>|- caham_book<br> |- caham_data<br> |- AmuDarya<br> |- central_asia_domain<br> |- student_case_study_basins<br> |- SyrDarya</p> <p>You will need a working installation of R (https://www.r-project.org/) and a GUI (e.g. Posit, formerly RStudio https://posit.co/) to reproduce the scripted examples in the book. Once your software is set up, you can proceed to run the examples. </p> <p> </p>
SNE01 Species richness, community evenness (Evar) and ANPP effects of nitrogen addition across a gradient of 8 levels in a semi-arid shortgrass steppe and a mesic tallgrass prairie, 2014-2018
This dataset contains the first five years (2014-2018) of the effect of nitrogen addition on species richness, species evenness (Evar) and productivity for a long-term nitrogen addition gradient experiment in two North American grasslands: a semi-arid shortgrass steppe and a mesic tallgrass prairie. Fertilization with time-release urea has been on-going since 2014 in a gradient of eight levels: 0, 2.5, 5, 10, 15, 20, 30 g/m-2. The effect of nitrogen on richness, evenness and Aboveground Net Primary Productivity (ANPP g/m-2 yr) is calculated as the absolute change in value from control plots to treatment plots within each block.
Map of 15 Ecoclimatic Arid and Semi-Arid zones in Africa (6°S-39°N)
<p>Ecoclimatic Arid and Semi-Arid zones in Africa (6°S-39°N) based were derived from a multiway analysis of the WorldClim database (1950-2000). See details in the paper:<em> Leibovici DG,<strong> </strong>Quillevere G and Desconnets J-C (2007) A method to Classify Ecoclimatic Arid and Semi-Arid Zones in Circum-Saharan Africa Using Dynamics of Multiple Indicators. <strong>IEEE Transaction in Geoscience And Remote Sensing, 45(12), 4000-4007. </strong></em>doi:<a href="https://doi.org/10.1109/TGRS.2007.908878">10.1109/TGRS.2007.908878</a></p> <p>A follow up paper is part of the zip archive for multiscale consideration (Leibovici, D. G., & Jackson, M. (2011). Multi-scale integration for spatio-temporal ecoregioning delineation. <strong><em>International Journal of Image and Data Fusion</em>, <em>2</em>(2), 105-119</strong>. doi:<a href="https://doi.org/10.1080/19479832.2010.542893">10.1080/19479832.2010.542893</a>)</p>
Figure 15 in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 15. Distribution map: Ascogaster brevivena sp. nov., grey circle; Ascogaster ferruginegaster sp. nov., black triangle; Ascogaster prolixogaster sp. nov., grey triangle; Ascogaster rubriscapa sp. nov., black square.
Figure 13 in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 13. Phanerotoma nigriscapulata sp. nov.: (a) habitus, lateral, paratype, scale line = 1 mm; (b) head, anterior, holotype, scale line = 0.5 mm; (c) mesosoma, dorsal, paratype, scale line = 1 mm; (d) fore wing, paratype, scale line = 1 mm.
Figure 2 in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 2. Tree resulting from the Bayesian phylogenetic analysis of the COI data for the genus Ascogaster. Numbers on branches show posterior probabilities. Abbreviations: (a) PTP analysis; (b) GMYC (single); (c) GMYC (multi); (d) morphology.
Figure 3 in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 3. Tree resulting from the Bayesian phylogenetic analysis of the COI data for the genus Phanerotoma. Numbers on branches show posterior probabilities. Abbreviations: (a) PTP analysis; (b) GMYC (single); (c) GMYC (multi); (d) morphology.
Figure 10 in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 10. Phanerotoma bushblitz sp. nov.: (a) habitus, lateral, holotype, scale line = 1 mm; (b) head, anterior view, paratype, scale line = 0.5 mm; (c) metasoma, dorsal, paratype, scale line = 1 mm; (d) fore wing, paratype, scale line = 1 mm.
Figure 6 in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 6. Ascogaster prolixogaster sp. nov.: (a) habitus, lateral, holotype, scale line = 1 mm; (b) head, anterior, holotype, scale line = 0.5 mm; (c) metasoma, dorsal, holotype, scale line = 1 mm, metasomal teeth arrowed; (d) fore wing, paratype, scale line = 1 mm.
Figure 8. Phanerotoma behriae Zettel, 1988a in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 8. Phanerotoma behriae Zettel, 1988a: (a) habitus, lateral, holotype, scale line = 1 mm, inset type label; (b) head, anterior, holotype, scale line = 0.5 mm; (c) head, dorsal, holotype, scale line = 1 mm; (d) metasoma, dorsal, holotype, scale line = 1 mm; (e) fore wing, other material, scale line = 1 mm.
Figure 4 in New species of Australian arid zone chelonine wasps from the genera Phanerotoma and Ascogaster (Hymenoptera: Braconidae) informed by the 'Bush Blitz' surveys of national reserves
Figure 4. Ascogaster brevivena sp. nov.: (a) habitus, lateral, holotype, scale line = 1 mm; (b) mesosoma and metasoma, dorsal view, holotype, scale line = 1 mm; (c) head, dorsal, holotype, scale line = 0.5 mm; (d) head, anterior, holotype, scale line = 0.5 mm; (e) fore wing, paratype, scale line = 0.5 mm.
Figure 3 in Aspects of natural history in a sand boa, Eryx muelleri (Erycidae) from arid savannahs in Burkina Faso, Togo, and Nigeria (West Africa)
Figure 3. Relationships between (a) Snout-Vent-Length (SLV) and Tail Length (TL), and between (b) SVL and Head Length (HL) in Eryx muelleri. Specimens from Togo, Burkina Faso and Nigeria were pooled.
Figure 1 in Aspects of natural history in a sand boa, Eryx muelleri (Erycidae) from arid savannahs in Burkina Faso, Togo, and Nigeria (West Africa)
Figure 1. (a) Eryx muelleri from Kebbe, north-western Nigeria (Photo: Luca Luiselli); (b) dry savannah habitat of Eryx muelleri in northern Burkina Faso (Photo: Emmanuel Hema).
Seasonal Effects in Gastrointestinal Parasite Prevalence, Richness and Intensity in Vervet Monkeys Living in a Semi-Arid Environment
<p>Data and R Notebook for Seasonal Effects in Gastrointestinal Parasite Prevalence, Richness and Intensity in Vervet Monkeys Living in a Semi-Arid Environment</p>
One and a half million yearlong aridity during the middle Eocene in north-west China linked to a global cooling episode
<p>Here we present new paleoclimate data from the Eocene red clay sequence deposited between 40 and 50 Ma in Altun Shan at the northeastern edge of the Tibetan Plateau. After building an age model using a compilation of magnetostratigraphy and cyclostratigraphy, we demonstrate that our record of magnetic susceptibility in the Altun Shan red clay exhibits variations linked to eccentricity cycles. Our age model allows us to estimate the age of eight short geomagnetic events, cryprochrons, in Altun Shan. Further we show that the aridification interval in Altun Shan coincides with (i) a cooling event recorded in the global oxygen isotope record, (ii) a sea surface temperature record on the east Tasmanian plateau, and (iii) an aridity record in the surrounding sedimentary basins of Central Asia. The middle Eocene aridity and cooling reached its maximum 45.5-44 Ma.</p>
Groundwater level data used in the manuscript titled "An explainable Bayesian TimesNet for probabilistic groundwater level prediction with application to semi-arid regions"
<p>The standardized semimonthly groundwater levels collected from 30 monitoring wells in Dalad County, China. The data were obtained from the Ministry of Water Resources of China and the groundwater yearbooks. The data are used in our submitted manuscript titled "An explainable Bayesian TimesNet for probabilistic groundwater level prediction with application to semi-arid regions". If you find this dataset useful for your research, please consider to cite our manuscript upon publication. </p>
Figure 6 in A new species of the troglobitic genus Spelaeogammarus da Silva Brum, 1975 (Amphipoda: Artesiidae) from a cave in the Brazilian semi-arid region, with new records of its congener, Spelaeogammarus spinilacertus Koenemann and Holsinger, 2000
Figure 6.Preserved specimen of Spelaeogammarus spinilacertus Koenemann and Holsinger, 2000 from Buraco do Cão cave, Iraquara municipality, state of Bahia, Brazil (A) and live specimen of S. spinilacertus from Canoa Quebrada cave, municipality of Iraquara, state of Bahia, Brazil (B). Photograph: (A) Luciana B.R. Fernandes, (B) Adriano Gambarini.
Figure 4 in A new species of the troglobitic genus Spelaeogammarus da Silva Brum, 1975 (Amphipoda: Artesiidae) from a cave in the Brazilian semi-arid region, with new records of its congener, Spelaeogammarus spinilacertus Koenemann and Holsinger, 2000
Figure 4. Spelaeogammarus ginae sp. nov., Gruna da Serra Verde cave, Serra do Ramalho, state of Bahia, Brazil. Paratype male, body length 11.31 mm; pleopod 1 (A); pleopod 2 (B); pleopod 3 (C); uropod 1 (D); uropod 2 (E); uropod 3 (F); telson (G). Scale bars: A–F = 1 mm; G = 200 μm. Specimens of Spelaeogammarus ginae sp. nov. were found (C); map indicating the state of Bahia, the Gruna da Serra Verde cave, and the land use and land cover of the area (D). Photographs: M.E. Bichuette.
Figure 2 in A new species of the troglobitic genus Spelaeogammarus da Silva Brum, 1975 (Amphipoda: Artesiidae) from a cave in the Brazilian semi-arid region, with new records of its congener, Spelaeogammarus spinilacertus Koenemann and Holsinger, 2000
Figure 2. Spelaeogammarus ginae sp. nov., Gruna da Serra Verde cave, Serra do Ramalho, state of Bahia, Brazil. Paratype male, body length 11.31 mm; antenna 1 (A); antenna 2 (B); upper lip (C); lower lip (D); maxilla 1 (E); maxilla 2 (F); left mandible (G); right mandible (H); maxilliped (I); simple setae, present in various structures, the last one is more common on the uropods (J); aesthetasc, from antenna 1 (K); multicuspidate seta, from maxilla 1 outer plate (L); plumose setae, from antenna 1, maxilla 1 inner plate, maxilla 2 inner plate, mandibles and maxilliped, maxilliped and gnathopods, pleopods (M); (stout) cuspidate setae with accessory seta, present in various structures, first one more common on gnathopods and last one from telson (N); bifid and trifid setae, from maxilliped inner ramus, mandibles palp, gnathopods and uropod 3, pleopod 7, maxilliped palp (O). Scale bars: A, B = 600 μm; C–I = 200 μm; J–O = enlarged setae to see details.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
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.