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184 results for “Arkansas”
Figure 10 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 10. Collection locations for Cryptoscatomaseter acuminatus. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 2 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 2. Installation of a burrow pitfall trap: a) burrow is excavated revealing foraging chamber; b) small cup is inserted in bottom of foraging chamber and filled with antifreeze and then a cup containing malt sugar and pig manure is placed above the cup; c) a board is placed over the pitfall and covered with dirt to seal the trap from the surface.
Figure 15 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 15. Collection locations for Euphoria discicollis. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 9 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 9. Collection locations for Ptomaphagus geomysi. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 6 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 6. Collection locations for Onthophilus kirni. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 8 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 8. Collection locations for Catops geomysi. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 3 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 3. Collection locations for Atholus minutus. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 14 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 14. Collection locations for Dellacasiellus kirni. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 13 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 13. Collection locations for Dellacasiellus concavus. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 7 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 7. Collection locations for Spilodiscus gloveri. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 17 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 17. Collection locations for Scabrostomus sepultus. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 16 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 16. Collection locations for Geomyphilus insolitus. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 5 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 5. Collection locations for Geomysaprinus rugosifrons. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 1 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 1. Arkansas county map denoting counties where pocket gopher beetle inquilines were collected. Note: Stars indicate counties where collections were made and do not necessarily denote the exact locale. Counties either containing single or multiple collection sites are only referenced with a single star per county.
Figure 4 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 4. Collection locations for Geomysaprinus goffi. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Figure 11 in Coleoptera (Histeridae, Leiodidae and Scarabaeidae) inhabiting the burrows of Baird's pocket gopher (Rodentia: Geomyidae: Geomys breviceps) in Arkansas
Figure 11. Collection locations for Cryptoscatomaseter haldemani. Note: Gray shading represents Geomys spp. distribution. Circles represent published pocket gopher records. Stars represent new Arkansas records.
Abiotic and biotic data collected from Spadra and Greenbriar Creeks in Clarksville, Arkansas in spring, 2024.
University of the Ozarks stream ecology students collected biotic (macroinvertebrate and fish community) and abiotic (temperature, pH, conductivity, dissolved oxygen, discharge) data in the spring 2024 semester. Macroinvertebrate data was collected using kick nets, D-nets, and visual inspection, and fish were collected using seine nets. Temperature is being logged in perpetuity with a HOBO, MX2201 data logger, and pH, conductivity, and dissolved oxygen were recorded using a YSI Quatro handheld multiparameter probe. River discharge was calculated manually using the surface float method, and a qualitative habitat assessment was conducted. This data package is a long-term, temporal, student-led data generation effort designed to be shared with the freshwater community.
Figure 3 in First Cretaceous teleostean otolith assemblage (Arkadelphia Formation, upper Maastrichtian) from Arkansas, USA, early Gadiformes, and the Western Interior Seaway
Figure 3. Location of the study area near Cabot, Lonoke County, Arkansas, USA.
Feasibility Assessment of Warm Mix Asphalt in Arkansas
<p>The future of Warm Mix Asphalt (WMA) technologies is promising in the U.S. However, the Arkansas Department of<br> Transportation (ARDOT) does not have any specific guidelines to implement them in the field. This research aims to<br> provide necessary baseline data for WMA as a proof of concept. In this study, three ARDOT approved Performance<br> Grade (PG) binders namely PG 64-22, PG 70-22, and PG 76-22 were investigated. Each of these binders was obtained<br> from two different sources. They were modified by varying doses of four selected additives: Sasobit®, Advera®,<br> Evotherm®, and Rediset®. Additionally, four different types of aggregates (sandstone, limestone, gravel, and dolomite)<br> from different quarries in Arkansas were evaluated for their compatibility with modified binders. Empirical test<br> (Penetration test), Superpave Performance tests such as Rotational Viscometer, Rolling Thin-Film Oven (RTFO),<br> Pressure-Aging Vessel (PAV), Dynamic Shear Rheometer (DSR), and Bending Beam Rheometer), PG Plus tests such as<br> Multiple Stress Creep Recovery and Frequency Sweep, chemical analyses (SARA analysis, FTIR, pH), science-based<br> test (Surface Free Energy), and Texas Boiling Test on loose mixture samples were conducted at different aging<br> conditions. Based on the RV test results, reduced mixing and compaction temperatures have been observed for Sasobit®,<br> Evotherm®, and Rediset® modified samples. The DSR test results suggest that both Sasobit® and Advera® can reduce rut<br> potential. On the other hand, BBR test results indicate that both Evotherm® and Rediset® have the capabilities of<br> improved resistances against fatigue and low-temperature thermal cracking. Binder samples modified by these have also<br> demonstrated minimal stripping in SFE and Texas Boiling Test. Advera® has modified the chemical compositions of the<br> neat binders, which was also observed in the SARA analysis. The findings of this study will help the agency to select the<br> most appropriate WMA additive along with its application rate.</p>
Development of Metals Corrosion Maps of Arkansas and Maintenance of Cross-Drains
<p>Corresponding data set for Tran-SET Project No. 18GTASU01. Abstract of the final report is stated below for reference:</p> <p>"Corrosion potential of metallic structures in alluvial soils is governed by chemical and electromagnetic properties of the soils. Geotechnical engineers are generally more concerned about different types of soils and their physical and mechanical properties than the chemical aspects. The main objective of this study is to analyze the geotechnical, electrochemical and electromagnetic properties of soils in Arkansas. Important parameters (e.g., soil resistivity) related to corrosion potential of metal culverts have been predicted through neural network (NN) models. The developed NN models have been trained and verified by using laboratory test results of soil samples collected from Arkansas Department of Transportation (ARDOT), and survey data obtained from the United States Department of Agriculture (USDA) and Arkansas Department of Environmental Quality (ADEQ). Finally, the Geographic Information System (GIS) based corrosion risk maps of three different types of metal pipes have been developed based on the available soil properties, metal properties, and water quality data. The developed maps will help ARDOT engineers to assess corrosion potential of metal pipes prior to the new construction and repair projects and use proper culvert and cross drain materials."</p>
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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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.