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89 results for “Córdoba”
Supervised land cover classification using Google Earth Engine in Córdoba, Argentina, 2018-2020
Land cover information is critical to scientific, economic, and public policy-making. There is a high demand for accurate and timely land cover information that affects the accuracy of all subsequent applications. The availability of Google Earth Engine (GEE), which derives temporal aggregation methods from time-series images (i.e., the use of metrics such as mean or median), has also enabled optimization of computation time, such as managing large amounts of data to obtain more accurate results. Our objective was to obtain a land cover map for the northwest of the province of Córdoba, Argentina. The study was carried out in rural communities that belong to the departments of Cruz del Eje and Ischilín, northwest of Córdoba, and have different degrees of intervention in the land cover. Sentinel 2 Level 2A images were acquired for the study area. Images available from January 1, 2018, to December 31, 2020, were sampled. To create a thematic map, the median value was calculated for the sample of images from the selected time interval. Finally, the Normalized Difference Vegetation Index (NDVI) was calculated and added to the total bands of the median image. Training polygons were placed there considering the visual features in the median image. The Random Forest algorithm was used as the classification method. To verify the quality of the classified map, a list of 97,753 verification pixels was obtained. In addition, a confusion matrix was created to collect the conflicts that arise between categories, and the precision and kappa coefficient was calculated to define the quality of the map obtained. Image acquisition, preprocessing, and analysis were performed on the Google Earth Engine platform. Thematic maps with eight classes were obtained, with a total area of 719880 ha. The confusion matrix showed an overall precision of 99.26% and a corrected kappa index of 0.99, the classes were correctly classified by the algorithm.
FIG. 2 in Animal food during the Late Prehispanic Period at Sierras of Córdoba, Argentina. A zooarchaeological view from Boyo Paso 2
FIG. 2. — Plain view of the archaeological floor from Boyo Paso 2 with the excavation units, post-molds and key features.
FIG. 4 in Animal food during the Late Prehispanic Period at Sierras of Córdoba, Argentina. A zooarchaeological view from Boyo Paso 2
FIG. 4. — Weathering profile for Lama cf. L. guanicoe (Müller, 1776) bones from Boyo Paso 2 (Córdoba, Argentina) (N=79).
FIG. 3 in Human-puma (Puma concolor (Linnaeus, 1771)) relations in the Dry Chaco of Córdoba, Argentina
FIG. 3. — Depiction of a hunting sequence. A, puma (Puma concolor (Linnaeus, 1771)) track; B, trap used in hunting; C, dogs (Canis lupus familiaris (Linnaeus, 1758)), the nonhuman companions, after a boar (Sus scrofa Linnaeus, 1758) hunting party. Credits: Jessica Manzano-García.
FIG. 2 in Human-puma (Puma concolor (Linnaeus, 1771)) relations in the Dry Chaco of Córdoba, Argentina
FIG. 2. — Puma's (Puma concolor (Linnaeus, 1771)) body parts. A, as nourishment waiting to be butchered; B, as ornamental skin for the domestic household; C, the skull, as ornament in a local farm cottage. Photos credits: Jessica Manzano-García.
FIG. 5 in Human-puma (Puma concolor (Linnaeus, 1771)) relations in the Dry Chaco of Córdoba, Argentina
FIG. 5. — Skeletal remains of Puma concolor (Linnaeus, 1771) and anthropic traces. A, Humerus displaying cuts (anterior view); B, tibia exhibiting cuts (medial view); C, pelvis with cut marks (posterior view); D, thoracic vertebrae exhibiting sawing traces (lateral view). Scale bars: bones, 2 cm; anthropic traces, 2 mm (except C, left trace, 5 mm). Credits: Julian Mignino.
FIG. 4. — A in Human-puma (Puma concolor (Linnaeus, 1771)) relations in the Dry Chaco of Córdoba, Argentina
FIG. 4. — A, caprine livestock in local corral; B, the fat of the predator prepared for medicinal usage. Credits: Jessica Manzano-García.
Figuras 9 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 9. Spixia josei: sistema paleal disecado, escala: 2 mm. Abreviaciones: Are: abertura recto; Au: aurícula; Aus: abertura uréter secundario; Av: área vascular; Bcm: borde collar de manto; Cm: collar de manto; Cp: Cavidad pericárdica; Gp: glándula paleal; I: intestino; Pcm: Pliegue del collar del manto; R: Riñón; Re: Recto; Tp: techo del pulmón; Up: uréter primario; Us: ureter secundario; Vam: Vena aferente marginal; Vp: vena pulmonar; V: ventrículo; Zi: zona interrámica. Figures 9. Spixia josei: Ventral view of pallial system dissected out. Scale bar: 2 mm. Abbreviations: Are: rectum aperture; Au: auricle; Aus: secondary ureter opening; Av: vascular area; Bcm: mantle collar edge; Cm: mantle collar; Cp: pericardic cavity; Gp: pallial gland; I: intestine; Pcm: mantle collar fold; R: kidney; Re: Rectum; Tp: pulmonary roof; Up: primary ureter; Us: secondary ureter; Vam: marginal afferent vein; Vp: pulmonary vein; V: ventricle; Zi: interramus zone.
Figuras 4-8 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 4-8. Spixia josei: 4: vista general de protoconcha y primeras vueltas, escala: 100 mm. 5 - 6: hileras espirales periostracales, escala: 100 mm. 7: micro escultura entre hileras espirales, escala: 10 mm. 8: Mandíbula, escala: 100 mm. Figures 4-8. Spixia josei: 4: View from protoconch and first worls, scale bar: 100 mm. 5 - 6: spiral rows of periostracum, escala: 100 mm. 7: micro sculpture between spiral rows, scale bar: 10 mm. 8: Jaw, scale bar: 100 mm.
Figura 17 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figura 17. Variabilidad morfológica de S. josei: 17A: serie tipo donde se pueden observar diferentes vistas de las conchillas; 17B: Paratipos, escala: 2 mm. Figure 17: Morphological variability of S. josei: 17A: Type serie in different positions; 17B: Paratypes, scale bar: 2 mm.
Figures 16 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figures 16. Comparison of penis inner wall sculpture between S. josei with more similar species, scale bar: 2 mm.
Figuras 15 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 15. Comparación morfológica las especies más afines a S. josei: S. parodizi, escala: 5 mm, S. philippii, escala: 5 mm; S. josei, escala: 2 mm; S. tumulorum, escala: 5 mm, S. champaquiana, escala: 5 mm; S. profundidens, escala 5mm. Figures 15. Morphological comparison of S. josei with more similar species of the genus Spixia: S. parodizi, scale bar: 5 mm, S. philippii, scale bar: 5 mm; S. josei, scale bar: 2 mm; S. tumulorum, scale bar: 5 mm, S. champaquiana, scale bar: 5 mm; S. profundidens, scale bar 5mm.
Figuras 13-14. 13 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 13-14. 13: Hábitat de S. josei: Estación Macha, Depto. Totoral, Córdoba. 14: Mapa de distribución de S. josei en la provincia de Córdoba, Argentina, escala: 400 km, obtenida a través del programa DIVAS- GIS. Figures 13-14. 13: Habitat of S. josei: "Estación Macha", Totoral Political Department, Córdoba. 14: Distributional map of S. josei in Córdoba province, Argentina, scale bar: 400 km, using DIVAS-GIS.
Figuras 1-3 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 1-3. Spixia josei: 1: Ejemplar vivo; 2: Conchilla holotipo, escala: 2 mm. 3: Abertura holotipo. Figures 1-3. Spixia josei: Living specimen; 2: Holotype, scale bar: 2 mm. 3: Holotype, aperture.
Figuras 10-12 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 10-12. Spixia josei: Sistema reproductor disecado. 10: vista general, escala: 5 mm. 11: escultura de área peniana I, escala: 2 mm. 12: escultura de complejo fálico, escala: 5 mm. Abreviaciones: I) Ae: área de ensanchamiento; II) porción media proximal, III) porción media distal; IV) porción distal. A: atrio; Bc: bura copulatrix; CFCE: cámara de fertilización – complejo espermateca; Dbc: ducto de bursa copulatrix; Dh: ducto hermafrodita; Ep: epifalo; F: flagelo; Ga: glándula del albumen; Mr: Músculo retractor; Ol: oviducto libre; P: pene; Pi: piláster; Pep: papila del epifalo; Pp: pared peniana; Pr: próstata; U: útero Va: vagina; Vp: vaina peniana. Figures 10-12. Spixia josei: 10: View of reproductive system dissected out, scale bar: 5 mm. 11: sculpture of penis inner wall of area I, scale bar: 2 mm. 12: sculpture of phallic complex, scale bar: 5 mm. Abbreviations: I) Ae: widening area; II) proximal medial portion, III) distal medial portion; IV) distal portion. A: atrium; Bc: bursa copulatrix; CFCE: fertilization pouch-spermathecal complex; Dbc: bursa copulatrix duct; Dh: hermaphroditic duct; Ep: epiphallus; F: flagellum; Ga: albumen gland; Mr: retractor muscle; Ol: free oviduct; P: penis; Pi: pilaster; Pep: papilla of epiphallus; Pp: penis inner wall; Pr: prostate; U: uterus; Va: vagina; Vp: penial sheath.
Figuras 16 in Spixia josei: Una nueva especie para la provincia de Córdoba, Argentina (Gastropoda: Stylommatophora: Odontostomidae)
Figuras 16. Comparación de esculturas de la pared peniana de S. josei con las especies más afines: escalas: 2 mm.
Figure 1 in Primer Mazama provincia reporte documentado de piebaldismo en gouazoubira (Artiodactyla: Cervidae) en la de Córdoba, Argentina
Figure 1. Relative location of the Espinillo Bravo Private Nature Reserve, Capilla del Monte, Punilla Department, Córdoba, Argentina. Inset at the top left, in grey, the Gran Chaco region and the limits of the Province of Córdoba, in Argentina; in the center, red box, northern sector of the Punilla Department and on the right, in green, relative location of the RNPEB within that sector.
Figuras 2 a 4 in Primer Mazama provincia reporte documentado de piebaldismo en gouazoubira (Artiodactyla: Cervidae) en la de Córdoba, Argentina
Figuras 2 a 4. Ejemplar macho con piebaldismo registrado en la reserva natural privada "Espinillo Bravo", Capilla del Monte, Córdoba. Figuras 2 y 3, capturas en cámara trampa del 25 de noviembre de 2021; figura 4, captura del 1 de enero de 2022.
Fig. 6 in Urban Green Areas, Recreational Use And Health Impact Of Victory Gardens (Córdoba - Spain)
Fig. 6. Daily pollen concentrations of the principal pollen types in the city of Córdoba during 2017, related to ornamental flora in the Gardens of Victory.
Fig. 2 in Urban Green Areas, Recreational Use And Health Impact Of Victory Gardens (Córdoba - Spain)
Fig. 2. Aerial photo of the Victory Gardens (Google earth) and architectural plan (own elaboration).
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
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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.