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19 results for “Afar”
Geological map of the Afar Depression
<p><strong>Content</strong></p> <p>This dataset contains a geological map of the Afar Depression (1:1’000’000), including all the associated data.</p> <p>This dataset includes:</p> <ul> <li>The map in JPEG, PDF, and GeoTIFF format</li> <li>The shapefiles of the map</li> <li>One document listing all sources used for the compilation of this map (<em>Source_Material_Afar Depression.pdf)</em></li> <li>One document describing the uncertainty of the map (<em>Reliability_geol_map.pdf</em>)</li> <li>One dating database compiling published datings from the literature in .txt and shapefile formats. This database has been reviewed and mistakes in coordinates were corrected (see comments column). The precision of the position is also evaluated (1 = poor - possibly up to more than 10km uncertainty; 2 = average - no precise GPS measurement of the coordinates but good localisation on map or description of the outcrop; 3 = very good - most of the time GPS measurement or very precise descriptions/map).</li> </ul> <p> </p> <p>This database is an additional complement to the paper ‘Rime, V., Foubert, A., Ruch, J. & Kidane, T. (2023), Tectonostratigraphic evolution and significance of the Afar Depression, <em>Earth-Science Reviews</em>, 244, 104519, <a href="https://doi.org/10.1016/j.earscirev.2023.104519">https://doi.org/10.1016/j.earscirev.2023.104519</a> ’<em>.</em></p> <p>Note that a smaller-scale map of the region is available as 'Rime, V., Foubert, A., Atnafu, B. and Kidane, T. (2022) Geological map of the southern Red Sea & western Gulf of Aden region. <em>Zenodo</em>. <a href="https://doi.org/10.5281/zenodo.7351765">https://doi.org/10.5281/zenodo.7351765</a> '</p> <p> </p> <p><strong>References</strong></p> <p>The map was developed by compiling a large number of published maps, descriptions, datings and other studies, complemented by fieldwork and remote sensing. All sources and references are mentioned in the <em>Source_Material_Afar_Depression</em>. Material and methods of mapping have been described in detail within the paper.</p> <p> </p> <p><strong>Citation</strong></p> <p>When using the data, please cite the data as ‘Rime, V., Foubert, A., Atnafu, B. & Kidane, T. (2022) Geological map of the Afar Depression. Zenodo, https://doi.org/10.5281/zenodo.7351643’ and refer to the accompanying paper as ‘Rime, V., Foubert, A., Ruch, J. & Kidane, T. (2023), Tectonostratigraphic evolution and significance of the Afar Depression, <em>Earth-Science Reviews</em>, 244, 104519, <a href="https://doi.org/10.1016/j.earscirev.2023.104519">https://doi.org/10.1016/j.earscirev.2023.104519</a> ’<em>.</em></p> <p>The map and additional data are given without any guarantee of correctness. Any use of these are under the user’s full responsibility. The authors decline any responsibility.</p> <p> </p> <p><strong>Acknowledgements</strong></p> <p>This study was funded by the Swiss National Science Foundation (SNF project SERENA – SEdimentary REcord of the Northern Afar 200021_163114). We are grateful to the University of Fribourg (Switzerland), the University of Addis Ababa (Ethiopia), the Ethiopian Ministry of Mines and Energy, the Ethiopian Geological Survey, Circum Minerals, former Allana Potash and Yara Dallol for their support. We particularly acknowledge Samuel Getachew that helped us to access some of the geological maps. We thank David Jaramillo-Vogel, Jean-Charles Schaegis, Haileyesus Negga, Addis Endeshaw, Ermias Gebru, Eva de Boever, Juan-Carlos Braga, Pia Wyler, Xenia Haberditz, the Ethioder team as well as the regional and local administration of the Afar for their help and support during fieldwork.</p>
Dataset: Aura FAT Projects Acquisition Corp (AFAR) Stock Performance
This dataset provides historical stock market performance data for specific companies. It enables users to analyze and understand the past trends and fluctuations in stock prices over time. This information can be utilized for various purposes such as investment analysis, financial research, and market trend forecasting.
Dataset: Aura FAT Projects Acquisition Corp (AFAR) Stock Performance
This dataset provides historical stock market performance data for specific companies. It enables users to analyze and understand the past trends and fluctuations in stock prices over time. This information can be utilized for various purposes such as investment analysis, financial research, and market trend forecasting.
Local adaptation from afar: migratory bird populations diverge in the initiation of reproductive timing while wintering in sympatry
<p><span>The initiation of reproduction in many seasonally breeding animals is controlled by photoperiod and tends to be clinal: populations at higher latitudes breed later than those at lower latitudes, often reflecting a higher photoperiodic threshold. Migratory animals presumably time reproduction to match conditions at their breeding grounds at least in part by cues perceived</span> on their wintering grounds<span>. </span>We asked how closely related dark-eyed junco (<i>Junco hyemalis</i>) populations that overwinter in sympatry but breed in allopatry respond to their shared winter environment by comparing early spring indices of readiness to migrate and breed (baseline and elevated testosterone). We measured stable hydrogen isotopes from feathers grown the preceding year and claws grown during winter to estimate breeding and wintering latitudes, respectively. We predicted that if reproductive initiation is adapted to the emergence of resources at their respective breeding destinations, then birds migrating to higher latitudes (slate-colored junco; <i>J. h. hyemalis</i>) should delay breeding as compared to those migrating to lower latitudes (pink-sided junco; <i>J. h. mearnsi</i>) despite a common overwinter environment. We found higher testosterone in pink-sided juncos consistent with earlier reproductive initiation, suggesting local adaptation in reproductive phenology achieved through differential responses to predictive environmental cues.</p>
AERPAW Find-a-Rover (AFAR) Challenge in December 2023
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Data from: Odour information enables patch choice by mammalian herbivores from afar, leading to predictable plant associational effects
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Local adaptation from afar: migratory bird populations diverge in the initiation of reproductive timing while wintering in sympatry
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FIGURE 9 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 9. Scanning electron micrographs of Aulacoseira helianthus (left) and A. agassizii var. malayensis (right). Note the spine morphology originating from two mantle costae, location of the separation furrow in relation to the separation spine, and spine distribution.
FIGURE 5 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 5. Diminution size reduction series pictures of A. jewsonii taken at two focal heights to examine the diameter accurately (A–C, E–G). Three valves in a filament (D, H) the top valve is a separation valve while the bottom two are linking valves. The holotype is shown at different focal heights (I–L).
FIGURE 8 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 8. Scanning electron micrographs of L. cohenii. Central fultoportula arrowed (A, B). A heavily dissolved specimen (C). Isometric view of a well preserved specimen exhibiting transverse undulation, spinules arrowed (D).
FIGURE 6 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 6. Scanning electron micrographs of A. jewsonii. Spatulate linking spines of two internal sister valves (A). Note the doubly punctate areolae that is typical of internal valves (E). Spatulate linking spines are also present on linking valves (B) that sometimes exhibit twisting costae (C). A filament of two frustules, one contains a separation valve (C) (far left), and a linking valve (middle left), the frustules on right contains two linking valves. A well preserved separation valve (D). Sister internal valves held together by spatulate linking spines (E). A single internal valve (F). A single separation valve (G).
FIGURE 3 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 3. Size diminution series of A. helianthus (A–L). Holotype shown (B). Ringleiste view (A, L). Scale bars are 10 μm throughout.
FIGURE 4 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 4. Scanning electron micrographs of A. helianthus. (A)Valve view of a separation valve. Note the separation furrow (arrowed). A linking valve (B) in valve view lacks separation spines and furrows. Internal view of two separation valves (C) two thickened costae are the internal structure of the separation furrow (arrowed). Two linking valves lacking separation spines (D). A filament of A. helianthus with separation furrow arrowed (E). Fimbria attach the two valves of the frustule (E), arrowed.
FIGURE 2 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 2. Simplified lithology of the NAO and NAW drill cores. NAO14-1B/1D is a composite of NAO14-1B with gaps filled in by NAO14-1D. A tephrostratigraphic tie point correlates NAO with NAW at ~75 mbs and ~50 mbs, respectively. Diatom presence from initial 32 cm sampling
Data from: Eggs brought in from afar: Svalbard-breeding pink-footed geese can fly their eggs across the Barents Sea
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Data from: Evidence for a Late Pliocene faunal transition based on a new rodent assemblage from Oldowan locality Hadar A.L. 894, Afar Region, Ethiopia
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FIGURE 1 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 1. Location of the NAO and NAW drill core sites in the Afar Depression of Ethiopia.
FIGURE 7 in Three novel species of Bacillariophyta (Diatoms) belonging to Aulacoseira and Lindavia from the Pliocene Hadar Formation, Afar Depression of Ethiopia
FIGURE 7. Diminution size series of L. cohenii (A–I). The Holotype at differing focal planes (J–L).
Exercise From Afar: Progressing At Risk Individuals to Independent Exercise
ClinicalTrials.gov study NCT06667817. IPD Sharing: Not stated. Countries: 1. Publications: 0.
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