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901 results for “Amazon Basin”
Fig. 16 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 16. Distinction in dorsal keel character states, well developed in Tropidophis taczanowskyi (Steindachner, 1880) (top, DHMECN 16391), and inconspicuous or absent in Tropidophis cacuangoae sp. nov. (bottom, DHMECN 16725).
Fig. 17 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 17. An extralimital tropidophiid from mainland South America, Tropidophis paucisquamis (Müller in Schenkel, 1901), from Ubatuba, São Paulo, Brazil. Photograph credit: Edelcio Muscat.
Fig. 11 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 11. Micro-CT images of the lateral view of the skulls of Tropidophis cacuangoae sp. nov., ♀ (DHMECN 15893, paratype), T. taczanowskyi (Steindachner, 1880) (NMW 14858, lectotype), T. melanurus (Schlegel, 1837) (ZFMK 65041), and Trachyboa boulengeri Peracca, 1910 (ZFMK 98727). Different skull elements are digitally colored and the mandibulae are removed for better visualization. Abbreviations: BO = basioccipital; BS = basisphenoid; COL = columella; CPS = conchal process of septomaxilla; ECP = ectopterygoid; EXO = exoccipital; F = frontal; MX = maxilla; NA = nasal; P = parietal; PAL = palatine; PFR = prefrontal; PMX = premaxilla; PO = postorbital; PRO = prootic; PT = pterygoid; Q = quadrate; SO = supraoccipital; ST = supratemporal.
Fig. 13 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 13. Micro-CT images of the right mandibula of Tropidophis cacuangoae sp. nov., ♀ (DHMECN 15893, paratype), T. taczanowskyi (Steindachner, 1880) (NMW 14858, lectotype), T. melanurus (Schlegel, 1837) (ZFMK 65041), and Trachyboa boulengeri Peracca, 1910 (ZFMK 98727) in lateral, medial, dorsal, and ventral views (from top to bottom). Different bones are digitally colored for better visualization. Abbreviations: AN = angular; CO = coronoid; CP = compound bone; D = dentary; DPD = dorsal process of dentary; PCR = prearticular crest of compound bone; RP = retroarticular process of compound bone; SAC = surangular crest of compound bone; SP = splenial; VPD = ventral process of dentary.
Fig. 12 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 12. Micro-CT images of the ventral view of the skulls of Tropidophis cacuangoae sp. nov., ♀ (DHMECN 15893, paratype), T. taczanowskyi (Steindachner, 1880) (NMW 14858, lectotype), T. melanurus (Schlegel, 1837) (ZFMK 65041), and Trachyboa boulengeri Peracca, 1910 (ZFMK 98727). Different skull elements are digitally colored and the mandibulae, and right palatine, pterygoid, ectopterygoid and quadrate are removed for better visualization. Abbreviations: BO = basioccipital; BS = basisphenoid; CHP = choanal process of palatine; COL = columella; ECP = ectopterygoid; EXO = exoccipital; F = frontal; MX = maxilla; P = parietal; PAL = palatine; PFR = prefrontal; PMX = premaxilla; PO = postorbital; PRO = prootic; PSP = parasphenoid rostrum; PT = pterygoid; Q = quadrate; SMX = septomaxilla; ST = supratemporal; V = vomer.
Fig. 9 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 9. Micro-CT images of the dorsal view of the skulls of Tropidophis cacuangoae sp. nov., ♀ (DHMECN 15893, paratype), T. taczanowskyi (Steindachner, 1880) (NMW 14858, lectotype), T. melanurus (Schlegel, 1837) (ZFMK 65041), and Trachyboa boulengeri Peracca, 1910 (ZFMK 98727). Different skull elements are digitally colored and the mandibulae are removed for better visualization. Abbreviations: ECP = ectopterygoid; EXO = exoccipital; F = frontal; MX = maxilla; NA = nasal; P = parietal; PAL = palatine; PFR = prefrontal; PMX = premaxilla; PO = postorbital; PRO = prootic; PT = pterygoid; Q = quadrate; SMX = septomaxilla; SO = supraoccipital; ST = supratemporal.
Fig. 10 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 10. Micro-CT images of the anterior view of the skulls of Tropidophis cacuangoae sp. nov., ♀ (DHMECN 15893, paratype), T. taczanowskyi (Steindachner, 1880) (NMW 14858, lectotype), T. melanurus (Schlegel, 1837) (ZFMK 65041), and Trachyboa boulengeri Peracca, 1910 (ZFMK 98727). Different skull elements are digitally colored for better visualization. Abbreviations: AN = angular; CO = coronoid; CP = compound bone; D = dentary; ECP = ectopterygoid; F = frontal; MX = maxilla; NA = nasal; P = parietal; PFR = prefrontal; PMX = premaxilla; PO = postorbital; PT = pterygoid; Q = quadrate; SMX = septomaxilla; SO = supraoccipital; SP = splenial; ST = supratemporal.
Fig. 7 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 7. Head views of Tropidophis cacuangoae sp. nov. in life. A–C. ♂, holotype (DHMECN 16725). D–F. ♀, paratype (DHMECN 15893). Photograph credits: A–C = H. Mauricio Ortega-Andrade; D–F= Danilo Medina.
Fig. 6 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 6. Dorsal view of Tropidophis cacuangoae sp. nov., ♀, paratype (DHMECN 15893) in life. Photograph credits: Danilo Medina.
Fig. 4 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 4. Lateral view of Tropidophis cacuangoae sp. nov., ♂, holotype (DHMECN 16725). Scale bar = 10 mm.
Fig. 1 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 1. Geographic distribution of mainland species of Tropidophis Bibron, 1840 in South America. Note the disjunct distribution pattern, with two allopatric groups: Andes mountain range (Tropidophis cacuangoae sp. nov, T. taczanowskyi (Steindachner, 1880)) and Atlantic Forest range (T. grapiuna Curcio et al., 2012, T. preciosus Curcio et al., 2012, T. paucisquamis (Müller in Schenkel, 1901)). Inset photograph: T. cacuangoae sp. nov. (not to scale).
Fig. 3 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 3. Morphological phylogeny of Squamata, inferred under Maximum Parsimony. A. Overview of full topology (Amerophidia, red; Extant Serpentes, purple; Other Squamates, black). B. Ophidia topology (Amerophidia, red; node support is Bremer Support).
Fig. 5 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 5. Lateral view of Tropidophis cauangoae sp. nov., ♀, paratype (DHMECN 15893). Scale bar = 10 mm.
Fig. 2 in A time relic: a new species of dwarf boa, Tropidophis Bibron, 1840 (Serpentes: Amerophidia), from the Upper Amazon Basin
Fig. 2. Phylogenetic relationships of amerophid snakes, based on nuclear data. A. Maximum likelihood topology (lnL = -2175.559394), based on neurotrophin-3 gene fragments, scale bar of substitution rates, bars indicate Amerophidia clade, Poisson Tree Process (PTP) and Bayesian Poisson Tree Process (bPTP) coalescent-based species delimitation analyses. B. Uncorrected p-distances. C. Patristic distances as inferred for maximum likelihood tree.
Spacial and temporal genetic pattern of Semaprochilodus insignis (Prochilodontidae), the most popular fish from the Amazon basin
<p>Dataset of 8 genotyped microsatellite loci for 180 individuals of Semaprochilodus insignis from 11 locations in the Amazon basin.</p>
Figures 1–4 in Presence of Euglossa (Euglossa) amazonica outside of the Amazon Basin - biogeographic insights
Figures 1–4. Male specimen of Euglossa (Euglossa) amazonica Dressler from Serrania de Pirre, Cana Biological Station, Darién, Panama. 1. Dorsal habitus. 2. Lateral habitus. 3. Facial aspect. 4. Outer surface of mesotibia.
Montly flux of TPM, CO2, CO and CH4 for the south of the Amazon Basin during 2020, 2021 and 2022.
<p>Base de dados da emissão média mensal do fluxo dos materiais TPM, CO2, CO e CH4 para o sul da Bacia Amazônica durante os anos 2020,2021 e 2022. Gerada a partir dos dados do instrumento ABI a bordo do satélite GOES-East, dos coeficientes de emissão do inventário FEER e fatores de emissão específicos do bioma de floresta tropical.</p> <p> </p> <p>Database of the monthly average emission flux of the materials TPM, CO2, CO, and CH4 for the southern Amazon Basin during the years 2020, 2021, and 2022. Generated from data obtained by the ABI instrument on board the GOES-East satellite, using emission coefficients from the FEER inventory and biome-specific emission factors for tropical forests.</p> <p> </p> <p> </p>
Dataset for the manuscript "Barium stable isotopes as a fingerprint of biological cycling in the Amazon River Basin" submitted to Biogeosciences Discussions
<p>This file contains the dataset of the manuscript submitted to Biogeosciences Discussions entitled "Barium stable isotopes as a fingerprint of biological cycling in the Amazon River Basin" by Charbonnier et al. It consists in three spreadsheets: (1) dissolved species concentration and dissolved Ba isotope data on river dissolved load; (2) main characteristics and Ba isotope data of river sediments; (3) compilation of major element and Ba and Li concentration in rocks (compilation made from the GEOROC database) and in the dissolved load of river draining single rock types (compilation made from previously published data and new data).</p>
FIGURE 1. Hemiodus jatuarana n in Hemiodus jatuarana, a new species of Hemiodontidae from the rio Trombetas, Amazon Basin, Brazil (Teleostei, Characiformes)
FIGURE 1. Hemiodus jatuarana n. sp., holotype, rio Trombetas, Brazil, MZUSP 54083, 192 mm SL.
Similar looking sisters: A new sibling species in the Pristimantis danae group from the southwestern Amazon basin (Anura, Strabomantidae)
<p><strong>Supplementary data <br></strong></p> <p>Köhler et al. (2024): Similar looking sisters: A new sibling species in the <em>Pristimantis danae</em> group from the southwestern Amazon basin (Anura, Strabomantidae). Zoosystematics and Evolution 100 (2): 565-582.</p> <p>Recordings of anuran advertisement calls:</p> <p><strong><em>Pristimantis asimus: </em></strong>recorded 29 November 2008 (18:15 h) by Frank Glaw, air temperature not recorded.<br>Locality: Peru: Departamento Huánuco: Provincia Puerto Inca, ACP Panguana, 9.6166°S, 74.9333°W.<br>Call voucher: MUSM 29028</p> <p><strong><em>Pristimantis reichlei</em></strong>: recorded 18 December 1998 by Jörn Köhler, air temperature 16.7 °C.<br>Locality: Bolivia: Departamento Cochabamba: Provincia Chapare: "old Chapare road", 17°07'S, 65°34'W.<br>Recording band-pass filtered at 900-3600 Hz.</p> <p> </p>
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.