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4,462 results for “South America”
Figure 2 in Myrmarachne colombiana sp. n. (Araneae: Salticidae), a new species of ant-mimic spider in copal from Colombia, South America
Figure 2. Dorsal view of Myrmarachne colombiana sp. n. Scale bar = 57 µm. Insert shows detail of club-shaped setae covering cephalothorax. Scale bar = 0.8 µm.
Figure 10 in Myrmarachne colombiana sp. n. (Araneae: Salticidae), a new species of ant-mimic spider in copal from Colombia, South America
Figure 10. Posterior view of tip of abdomen of Myrmarachne colombiana sp. n. showing an elongate lung slit (LS) and spinnerets (arrows). Scale bar = 600 µm.
FIGURE 1 in A new genus and species of Platypodini pinhole borers from South America (Coleoptera, Curculionidae, Platypodinae)
FIGURE 1. Amplioscapus mirabilis Kirkendall, male holotype. (A) Dorsal view. (B) Lateral view. (C) Frontal view. (D) Angled posterior view of declivity. (E) Ventral view.
FIGURE 2 in A new genus and species of Platypodini pinhole borers from South America (Coleoptera, Curculionidae, Platypodinae)
FIGURE 2. Amplioscapus mirabilis Kirkendall, female allotype. (A) Dorsal view. (B) Lateral view. (C) Frontal view. (D) Angled posterior view of declivity. (E) Ventral view.
FIGURE 6 in Dentispicotermes trapezia (Isoptera: Termitidae: Amitermitinae), a new termite species from the Pantanal-Chaco Region of South America
FIGURE 6. Field habitus of the soldier and worker (larger specimen) of Dentispicotermes trapezia sp. nov.
FIGURE 7 in Dentispicotermes trapezia (Isoptera: Termitidae: Amitermitinae), a new termite species from the Pantanal-Chaco Region of South America
FIGURE 7. Localities (red dots) of Dentispicotermes trapezia sp. nov. Orange biome is Chaco/Pantanal from Turchetto‐Zolet et al. (2013).
FIGURE 4 in Dentispicotermes trapezia (Isoptera: Termitidae: Amitermitinae), a new termite species from the Pantanal-Chaco Region of South America
FIGURE 4. Worker gut of Dentispicotermes trapezia sp. nov.: A) dorsal, B) right, C) ventral, and D) left view (labels: C= crop, M=mesenteron, MS= mixed segment, P1=proctodeal segment 1, P2=enteric valve with EVA seating, P3–P5=proctodeal segment 3–5.
FIGURE 2 in Dentispicotermes trapezia (Isoptera: Termitidae: Amitermitinae), a new termite species from the Pantanal-Chaco Region of South America
FIGURE 2. Soldier cephalic projection of Dentispicotermes trapezia sp. nov.: A) lateral (arrow points to tubercle) and B) anterior view.
FIGURE 3 in Dentispicotermes trapezia (Isoptera: Termitidae: Amitermitinae), a new termite species from the Pantanal-Chaco Region of South America
FIGURE 3. Worker of Dentispicotermes trapezia sp. nov.: A) dorsal and B) lateral habitus; C) dorsal and D) lateral head capsule.
FIGURE 1 in Dentispicotermes trapezia (Isoptera: Termitidae: Amitermitinae), a new termite species from the Pantanal-Chaco Region of South America
FIGURE 1. Holotype soldier of Dentispicotermes trapezia sp. nov.: A) dorsal, B) lateral (vertical lines show head height relative to protuberance height), C) ventral frontal and D) posterior view.
Supplementary Data for Crelier et al. (2025) entitled "Mobility of South America's Transcontinental Drainage Divide and Shrinkage of the Paraná River Basin Linked to Lithologic and Geodynamic Controls"
<p>Supplementary Data for Crelier et al. (2025) entitled “Mobility of South America’s Transcontinental Drainage Divide and Shrinkage of the Paraná River Basin Linked to Lithologic and Geodynamic Controls” and published in Springer Nature's Scientific Reports.</p>
A georeferenced rRNA amplicon database of aquatic microbiomes from South America
<p>Here we present the samples and data used in Metz & Huber et al. (2022) to construct <strong>µSudAqua[db].</strong></p> <p><strong>µSudAqua[db]</strong> contains over 866 georeferenced samples with contextual environmental information manually revised. For its integration and validation, we constructed a curated database (<strong>µSudAqua[db.sp]</strong>) using the DADA2 pipeline (https://github.com/microsudaqua/usudaquadb). It comprised ~60% of the total georeferenced samples of the <strong>µSudAqua[db]</strong>.</p> <p>Here we provide five files compressed in a zip file .</p> <ul> <li>The <em>microsudaqua_metadata_Vx </em>presents the metadata associated with the samples used to build the <strong>µSudAqua[db] </strong>database. For samples included in the <strong>µSudAqua[db.sp]</strong> database, the number of high-quality reads and Amplicon Sequences Variants (ASVs) defined is also indicated.</li> <li>The archive <em>microsudaqua_rawtable_Vx </em>harvests the<em> </em>number of reads in each sample (<strong>µSudAqua[db.sp]</strong>).</li> <li>The archive <em>microsudaqua_rawseqs_Vx</em> harvests the nucleotide sequences of each ASV (<strong>µSudAqua[db.sp]</strong>).</li> <li>The archive <em>microsudaqua_rawtaxonomy_blast_silva132_nr99_Vx </em>harvests taxonomic classification of each ASV (<strong>µSudAqua[db.sp]</strong>).</li> <li>The archive <em>microsudaqua_bacteria_filtered_50reads_with_taxonomy_Vx</em> harvests the Bacterial filtered ASVs, with more than 50 reads in at least three samples (<strong>µSudAqua[db.sp]</strong>).</li> </ul> <p>Further information regarding data usage and processing is available in the @microsudaqua GitHub (https://github.com/microsudaqua/usudaquadb)</p> <h3><strong>Version history</strong></h3> <ul> <li>February 2025 / version V.1.1: microsudaqua_data_V1.1_Feb2025.zip <ul> <li>The metadata file has been updated: microsudaqua_metadata_V1.1_Feb2025.txt</li> </ul> </li> </ul> <ul> <li>July 2022 / version V.1.0: microsudaqua_data_V1.0_July2022.zip.</li> </ul> <p> </p>
Data for: Reflections of Grinnellian and Eltonian niches on the distribution of phyllostomid bats in Atlantic Forest of South America
<p>Abstract</p> <p><b>Aim: </b>Ecological niches are complex and the product of interactions with biotic and abiotic environments across the entire geographic range of species. One recent distinction is between Grinnellian niche characteristics that reflect influences at large spatial scales such as climate and Eltonian niche characteristics that reflect influences at the local level such as distribution of resources and how they are shared among species. Aims of this research were to estimate Grinnellian and Eltonian niche characteristics of phyllostomid bats distributed throughout the Atlantic Forest, examine degree of phylogenetic non-independence of distribution and niche characteristics, and estimate relative contribution of niche characteristics to distribution of bats across this large Neotropical region.\</p> <p><b>Location: </b>The Atlantic Forest</p> <p>T<b>axon:</b> Phyllostomid bats</p> <p><b>Methods:</b> Canonical correlation analysis was used to characterize association between Grinnellian and Eltonian niche characteristics. Phylogenetic non-independence was estimated with phylogenetic eigenvector regression. Variation partitioning was used to distinguish relative contributions of different niche characteristics to distribution of bats.</p> <p><b>Results: </b> Grinnellian and Eltonian niche characteristics were strongly and significantly associated. Phylogenetic signal was weak for Grinnellian and strong for Eltonian niche characteristics. Both suites accounted for significant unique variation in distribution of phyllostomid bats in the Atlantic Forest. Grinnellian niche characteristics accounted for more than five times the variation in distribution than Eltonian characteristics.</p> <p><b>Main Conclusions: </b> Distinct Grinnellian and Eltonian perspectives on the niche provide valuable insights into the distribution of species. The degree to which these two different set of characteristics account for distribution is likely scale dependent with Grinnellian characteristics more important at geographic spatial scales and Eltonian characteristics more important at local spatial scales. Grinnellian and Eltonian niches are important corollaries of α- and β- niches and their associated traits and similarities and differences in the two distinct concepts should be better explored across different taxa and geographic domains.</p>
Distribution. Grasslands and scrub forest of C South America, from NE Brazil through the Chaco of Paraguay into Rio Grande do Sul State, Brazil, W to Bolivia and Peru border, and S into Uruguay and Argentina to the 30° S parallel. in Canidae
Distribution. Grasslands and scrub forest of C South America, from NE Brazil through the Chaco of Paraguay into Rio Grande do Sul State, Brazil, W to Bolivia and Peru border, and S into Uruguay and Argentina to the 30° S parallel.
Subspecies and Distribution. B. a. alleni Thomas, 1880 — South America, E of the Andes. B. a. medius Thomas, 1909 — Choc6 region of W Colombia, Ecuador, and NW Venezuela. B. a. orinomus Goldman, 1912 — E Panama. in Procyonidae
Subspecies and Distribution. B. a. alleni Thomas, 1880 — South America, E of the Andes. B. a. medius Thomas, 1909 — Choc6 region of W Colombia, Ecuador, and NW Venezuela. B. a. orinomus Goldman, 1912 — E Panama.
Figure 11 in Systematic revision of Nacella (Patellogastropoda: Nacellidae) based on a complete phylogeny of the genus, with the description of a new species from the southern tip of South America
Figure 11. Nacella edgari, Kerguelen and Heard Islands, sub-Antarctic Indian Ocean. Scale bar = 1.0 cm for all unless specified otherwise. A = Port-aux-Français, Kerguelen Island, B = Îles du Prince-de-Monaco, Kerguelen Island, C = Atlas Cove, Heard Island. A–F, shell morphology and coloration of Nacella edgari. A–C, lateral view. D–F, dorsal view. G, mantle tentacles, cephalic tentacles and foot coloration patterns. H, radula. I, distribution.
Figure 7 in Systematic revision of Nacella (Patellogastropoda: Nacellidae) based on a complete phylogeny of the genus, with the description of a new species from the southern tip of South America
Figure 7. Nacella flammea, Patagonia, South America. Scale bar = 1.0 cm for all unless specified otherwise. A = Melimoyu, B = Port Famine, C = Falkland/Malvinas Islands. A–F, shell morphology and coloration of Nacella flammea. A–C, lateral view. D–F, dorsal view. G, mantle tentacles, cephalic tentacles and foot coloration patterns. H, radula. I, distribution.
Figure 10 in Systematic revision of Nacella (Patellogastropoda: Nacellidae) based on a complete phylogeny of the genus, with the description of a new species from the southern tip of South America
Figure 10. Nacella kerguelenensis, Kerguelen and Heard Islands, sub-Antarctic Indian Ocean. Scale bar = 1.0 cm for all unless specified otherwise. A = Port-aux-Français, Kerguelen Island, B = Baie des Cascades, Kerguelen Island, C = Atlas Cove, Heard Island. A–F, shell morphology and coloration of Nacella kerguelenensis. A–C, lateral view. D–F, dorsal view. G, mantle tentacles, cephalic tentacles and foot coloration patterns. H, radula. I, distribution.
Figure 6 in Systematic revision of Nacella (Patellogastropoda: Nacellidae) based on a complete phylogeny of the genus, with the description of a new species from the southern tip of South America
Figure 6. Nacella mytilina, Patagonia, South America. Scale bar = 1.0 cm for all unless specified otherwise. A = Port Famine, B = Navarino Island, C = Falkland/Malvinas Islands. A–F, shell morphology and coloration of Nacella mytilina. A–C, lateral view. D–F, dorsal view. G, mantle tentacles, cephalic tentacles and foot coloration patterns. H, radula. I, distribution.
Figure 4 in Systematic revision of Nacella (Patellogastropoda: Nacellidae) based on a complete phylogeny of the genus, with the description of a new species from the southern tip of South America
Figure 4. Nacella magellanica, Patagonia, South America. Scale bar = 1.0 cm for all unless specified otherwise. A = Chiloé, B = Port Famine, C = Falkland/Malvinas Islands. A–F, shell morphology and coloration of Nacella magellanica. A–C, lateral view. D–F, dorsal view. G, mantle tentacles, cephalic tentacles and foot coloration patterns. H, radula. I, distribution.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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.