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272 results for “Central Andes”
Figure 5 from: Lagomarsino LP, Santamaría-Aguilar D (2015) Two new species of Siphocampylus (Campanulaceae, Lobelioideae) from the Central Andes. PhytoKeys 58: 105-117. https://doi.org/10.3897/phytokeys.58.6973
Figure 5 - Siphocampylus siberiensis. A Habit B Detail of young stem C Detail of leaf margin and venation on abaxial leaf surface D Flower bud E Capsule F Lateral view of flower in pistillate phase G Anterior view of corolla, showing corolla aperture H Abaxial leaf surface I Adaxial leaf surface. All photos of the type collection, taken in the field by L. Lagomarsino; D. Santamaría-Aguilar is shown collecting the type in A.
Figure 2 from: Lagomarsino LP, Santamaría-Aguilar D (2015) Two new species of Siphocampylus (Campanulaceae, Lobelioideae) from the Central Andes. PhytoKeys 58: 105-117. https://doi.org/10.3897/phytokeys.58.6973
Figure 2 - Siphocampylus antonellii. A Habit and high-elevation grassland (puna) habitat B Flowering branch C Cross-section of stem showing woody habit D Adaxial leaf surface E Abaxial leaf surface F Lateral view of flower in staminate phase G Anterior view of a flower, showing corolla aperture. All photos of the type collection, taken in the field by L. Lagomarsino.
Figure 1 from: Lagomarsino LP, Santamaría-Aguilar D (2015) Two new species of Siphocampylus (Campanulaceae, Lobelioideae) from the Central Andes. PhytoKeys 58: 105-117. https://doi.org/10.3897/phytokeys.58.6973
Figure 1 - Siphocampylus antonellii. A Flowering branch B Leaf, abaxially, including detail of leaf margin and stellate hairs that cover surface C Staminate-phase flower, including bibracteolate pedicel, with detail of sepal and stellate hairs that cover the outer corolla surface D Longitudinal section of a pistillate-phase flower, showing the insertion of staminal tube to corolla, style and stigma as situated relative to the stamens, and bilocular ovary with axile placentation E Corolla lobe detail F Detail of anther tube, including apical hairs on ventral anthers, and stigma. Drawing by Bobbi Angel from the type.
Data from: First record of Toxodontidae (Mammalia, Notoungulata) from the late Miocene–early Pliocene of the southern central Andes, NW Argentina
A new species of toxodontid notoungulate, Xotodon maimarensis n. sp., is described from the Maimará Formation (late Miocene–early Pliocene), Jujuy Province, northwestern Argentina. This is the first record of a toxodontid from the Eastern Cordillera. The specimen is housed at the Museo de Geología, Mineralogía y Paleontología, Instituto de Geología y Minería de la Universidad Nacional de Jujuy. It consists of an incomplete mandible preserving the right mandibular ramus with part of the dental series, partially preserved symphysis with all the incisors, and a small portion of the left ramus without teeth. The following characters distinguish it as a new taxon: symphysis long and narrow with slight divergence of its lateral borders; strong procumbence of lower incisors and deeply implanted i3; chin angle lower than in X. major and X. cristatus and bulging labial keel limiting strong lateral concavities. Comparative analysis in the context of the recently revised Neogene Toxodontidae indicates that the Maimará specimen shares mandibular features and dental characters with Xotodon and Mixotoxodon, differing from the latter by the more upraised symphysis. The phylogenetic position of Xotodon maimarensis n. sp. supports the taxonomic interpretation of the studied specimen as a new species of Xotodon. This new Toxodontidae increases the knowledge of the diversity and radiation of this group of notoungulates in northwest Argentina.
Figure 3 from: Caicedo-Martínez LS, Henao-Osorio JJ, Arias-Monsalve HF, Rojas-Morales JA, Ossa-López PA, Rivera-Páez FA, Ramírez-Chaves HE (2024) A new species of terrestrial toad of the Rhinella festae group (Anura, Bufonidae) from the highlands of the Central Cordillera of the Andes of Colombia. ZooKeys 1196: 149-175. https://doi.org/10.3897/zookeys.1196.114861
Figure 3 Female (MHN-UCa-Am 1698; paratype) of Rhinella kumanday sp. nov. in life (SVL 35.01 mm).
Figure 2 from: Fernandez-Hilario R, Smith SD (2017) A new species of Saracha (Solanaceae) from the Central Andes of Peru. PhytoKeys 85: 31-43. https://doi.org/10.3897/phytokeys.85.12607
Figure 2 - Distribution map of Saracha andina.
Figure 1 from: Graham JG, Janovec JP (2016) A remarkable new species of Brunfelsia (Solanaceae) from the eastern Andes of Central Peru. PhytoKeys 75: 81-91. https://doi.org/10.3897/phytokeys.75.10759
Figure 1 - Location of known specimens of Brunfelsia cabiesesiana.
Figure 5 from: Graham JG, Janovec JP (2016) A remarkable new species of Brunfelsia (Solanaceae) from the eastern Andes of Central Peru. PhytoKeys 75: 81-91. https://doi.org/10.3897/phytokeys.75.10759
Figure 5 - Profile of a flower of Brunfelsia cabiesesiana at anthesis.
Data from: First record of Toxodontidae (Mammalia, Notoungulata) from the late Miocene–early Pliocene of the southern central Andes, NW Argentina
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Rock glaciers, Central Andes, Argentina, Version 1
Primary rock glaciers are fed by avalanche chutes. At the El Salto rock glacier, surveys have been undertaken in order to determine the creep rate. Between 1981 and 1986 temperatures at elevations between 3500 and 3600 m were measured in the active layer to a depth of 1 m with a multipoint temperature recorder (Grant). On the basis of these measurement Buk (1983) determined that the permafrost table was at a depth of about 3 m and the base of the permafrost at 68 m. Similar conclusions were reached by Barsch and King (1989). As an illustration of the importance of avalanches to these forms, the base camp there was destroyed by an avalanche in November 1983. The surface of the basin of Morenas Coloradas is 54 square km, of which 10.4 square km is seasonally frozen ground. The remaining 60% of the surface is typically periglacial with rock glaciers as the most important forms. In the glacigenic rock glacier, the clean glacier ice ends in detritus-covered or morainic tongues which result in glacigenic ice being incorporated within the substrate. In this way, ice persists at lower altitudes and under very arid conditions (Lliboutry, 1986; Garleff and Stingl, 1986; Schrott, 1992). Interconnected rock glaciers are generated which undergo different phases of activity not always in agreement with those expected as a resulted of their elevations. That is, they continue to show signs of activity not only at the height of the present 0 degrees C air isotherm, but at lower elevations. In the last step downwards towards the valleys these rock glaciers become inactive, and finally morphologically relict or fossil rock glaciers are found. Meteorological, hydrological and geophysical measurements as well as 5 drillings to a depth of 5 m have been carried out in Morenas Coloradas. At an elevation of 3560 m the temperature oscillates around 0 degrees C (with a maximum variation of 0.5 degrees C) at depths between 4 and 5 m. The annual precipitation (1991-93) is 630 mm and the mean annual temperature is 1.6 degrees C. Using a calculated lapse rate of 0.52 degrees C per 100 m, the 0 degrees C isotherm occurs at approximately 3860 m, which represents a considerable rise in comparison with earlier years. It is assumed that this value is strongly influenced by climate warming in the 1980s and 1990s. Temperatures measured at different depths in Morenas Coloradas at 3560 m are positively correlated with the discharge of Rio Vallecitos (correlation coefficients of 0.8-0.9; significance p=0.01). There is no correlation with snowfall data, however, because of the influence of the 'zonda', a very dry and warm wind (up to 100 km/h) which impedes the accumulation of snow. Between 1978 and 1979, the zonda was active for more than 1000 hours. Discharge from the basin is of good quality and averages 505 l/s with a range from 230 l/s (early spring) to >1000 l/s (summer). In comparison, Schrott (1994) calculated the discharge of a rock glacier in the arid region of San Juan, Argentina to be only 5-8 l/s. These data are presented on the CAPS Version 1.0 CD-ROM, June 1998.
Distribution. Alpacas are found in the Central Andes from C Peru into mid-Bolivia and N Chile. In the 1980s—1990s Alpacas were imported into the USA, Australia, New Zealand, Canada, and Europe. There are no known wild /feral populations of Alpacas. in Camelidae
Distribution. Alpacas are found in the Central Andes from C Peru into mid-Bolivia and N Chile. In the 1980s—1990s Alpacas were imported into the USA, Australia, New Zealand, Canada, and Europe. There are no known wild /feral populations of Alpacas.
FIGURE 5. Miconia humifusa. A. Habit. B. Petal. C. Stamen. D in Five new species of Miconia (Melastomataceae) from the Central Peruvian Andes
FIGURE 5. Miconia humifusa. A. Habit. B. Petal. C. Stamen. D. Longitudinal section of bud, note gland-tipped hairs at base of style and long pedicel. E. Detail of hypanthium (Cardenas 456, MO).
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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.