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61 results for “Andes Mountains”
Figs. 1–2 in First high-altitude record of Bucculatrix mirnae Vargas and Moreira (Lepidoptera, Bucculatricidae) on a newly documented host plant: the importance of host plant distribution for conservation on the western slopes of the Andes mountains of northern Chile
Figs. 1–2. The habitats of Bucculatrix mirnae in the arid northern Chile. (1) The lowland Azapa Valley (type locality) located in the coastal Atacama Desert close sea level. (2) The highland neighborhood of Putre village at about 3500 m elevation on the western slopes of the Andes.
Citizen science data reveals altitudinal movement and seasonal ecosystem use by hummingbirds in the Andes Mountains
Ensuring connectivity is crucial to protect landscapes but it requires knowledge about how animals use ecosystems throughout the year. However, animal movements remain largely unknown in biodiversity hotspots, even for species that fulfill key ecological roles, as is the case of hummingbirds in the Andes. In the complex topography of mountain slopes, movement of these avian pollinators may occur either between habitat patches with asynchronous plant blooms or across ecosystems that are located within same elevation bands or along altitudinal gradients. Here, we used two decades (2000-2020) of records from citizen science data and boosted regression trees to predict monthly distributions for 55 hummingbird species in the Andes. We identified shifts in altitudinal distribution between contiguous months and calculated changes in the proportion of predicted distributions occupied by ecosystem types. Our findings reveal substantial altitudinal movement and differences in the proportion of ecosystem types utilized throughout the year that had not been previously reported for several species. Yet the magnitude of altitudinal and ecosystem shifts varies between hummingbird clades, and in some cases changes in the proportion of ecosystem types within estimated distributions occurs with little variation in altitude. All ecosystems across the Andes show temporal changes in hummingbird occurrence, but these are higher in natural landscapes compared to croplands or urban areas. Finally, we used phylogenetic logistic regression to test whether altitudinal and ecosystem shifts affect population trends. We found that higher ecosystem seasonality is more strongly associated with decreasing populations in comparison to altitudinal shifts. Altogether, our study reveals complex patterns of movement in hummingbirds and highlights the importance of ecological connectivity across different ecosystem types. More generally, it demonstrates the opportunity of using citizen science data to increase understanding about species' seasonal occurrences so that landscapes can be better managed to protect animal movement.
Citizen science data reveal altitudinal movement and seasonal ecosystem use by hummingbirds in the Andes Mountains
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FIGURE 2 in A new species of Mountain Viscacha (Chinchillidae: Lagidium Meyen) from the Ecuadorean Andes
FIGURE 2. Multivariate relationships among Lagidium spp. Projections of individual specimen scores from principal component analysis on the 1st and 2nd factors of 13 log-transformed cranial measurements. Taxa indicated are: L. peruanum (open circles), L. viscacia (open triangles), L. wolffsohni (filled diamonds), and L. ahuacaense sp. nov. (filled squares).
FIGURE 1 in A new species of Mountain Viscacha (Chinchillidae: Lagidium Meyen) from the Ecuadorean Andes
FIGURE 1. Skull length (GLS) and geographical distribution (latitude) of Lagidium specimens studied. L. peruanum (open circles), L. viscacia (open triangles), L. wolffsohni (filled diamonds), and L. ahuacaense sp. nov. (filled square).
FIGURE 4 in A new species of Mountain Viscacha (Chinchillidae: Lagidium Meyen) from the Ecuadorean Andes
FIGURE 4. Plantar view of right hind foot (A) and right fore foot (B) of L. ahuacaense sp. nov. h = hypothenar pad, t = thenar pad; 1–3 = first through third interdigital pad. Scale bar = 10 mm.
FIGURE 3 in A new species of Mountain Viscacha (Chinchillidae: Lagidium Meyen) from the Ecuadorean Andes
FIGURE 3. The most likely phylogram resulting from maximum likelihood analysis of the molecular data set. Bootstrap support values ≥ 50% are indicated at branches. Numbers on nodes represent bootstrap support values for maximumlikelihood/maximum-parsimony (above), and neighbor-joining distance analyses (below).
FIGURE 3 in Macrobrachium santanderensis, new species of freshwater prawn (Crustacea: Decapoda: Palaemonidae) from the northeastern Andes mountains of Colombia
FIGURE 3. Macrobrachium santanderensis, new species, holotype, tl. 40 mm. A. Mandible; B. Maxillula; C. Maxilla; D. First Maxilliped; E. Second Maxilliped; F. Third Maxilliped. Scale bars equal 1.0 mm.
FIGURE 2 in Macrobrachium santanderensis, new species of freshwater prawn (Crustacea: Decapoda: Palaemonidae) from the northeastern Andes mountains of Colombia
FIGURE 2. Macrobrachium santanderensis, new species, holotype, tl. 40 mm. A. Carapace; B. Telson; C. Antenna; D. Antennule. Scale bars equal 1.0 mm.
FIGURE 1 in Macrobrachium santanderensis, new species of freshwater prawn (Crustacea: Decapoda: Palaemonidae) from the northeastern Andes mountains of Colombia
FIGURE 1. Map of Colombia indicates the location (●) where specimens of the new species of Macrobrachium santanderensis were collected.
FIGURE 4 in Macrobrachium santanderensis, new species of freshwater prawn (Crustacea: Decapoda: Palaemonidae) from the northeastern Andes mountains of Colombia
FIGURE 4. Macrobrachium santanderensis, new species, holotype, tl. 40 mm. Pereiopods (A. First; B. Second; C. Third; D. Fourth; E. Fifth); Pleopods (F. First; G. Second showing appendix masculina); H. Abdomen. Scale bars equal 1.0 mm.
FIGURE 3 in A novel species of Euspondylus (Squamata: Gymnophthalmidae) from the Andes Mountains of central Peru
FIGURE 3. Comparison of body coloration of Euspondylus paxcorpus. Top two photographs: adult specimen in life (MHNC TMD1499) from the village of La Libertad, Peru. Bottom two photographs: holotype (UTA R-62329) preserved in ethanol (photographs taken by C. J. Franklin).
FIGURE 2 in A novel species of Euspondylus (Squamata: Gymnophthalmidae) from the Andes Mountains of central Peru
FIGURE 2. Head and neck region of holotype of Euspondylus paxcorpus (UTA R-62329). Top left: dorsal view; top right: ventral view; bottom left: lateral view. Scale bar = 5 mm.
FIGURE 1 in A novel species of Euspondylus (Squamata: Gymnophthalmidae) from the Andes Mountains of central Peru
FIGURE 1. Map of the northwestern Junín region, Peru with district boundaries in black. The localities where the specimens were collected are indicated by blue dots. The inset depicts the regions of Peru and the area of the larger map is contained in the red box.
Distribution. Andes Mountains of Venezuela, Colombia, Ecuador, Peru and Boliva, with controversial evidence of existence in N Argentina. in Ursidae
Distribution. Andes Mountains of Venezuela, Colombia, Ecuador, Peru and Boliva, with controversial evidence of existence in N Argentina.
Distribution. Chile's Coastal Mountain Range in Cauquenes (Maule Region), Tomé (Bio Bio Region), and Nahuelbuta National Park (L.a Araucania Region) W of the Central Valley, and through the Chilean Andes from Banos de Cauquenes (O'Higgins Region) to Banos del Rio Blanco (La Araucania Region) and adjacent Argentina (Lanin National Park, Neuquén Province). Latitudinal range 34-40° S. in Octodontidae
Distribution. Chile's Coastal Mountain Range in Cauquenes (Maule Region), Tomé (Bio Bio Region), and Nahuelbuta National Park (L.a Araucania Region) W of the Central Valley, and through the Chilean Andes from Banos de Cauquenes (O'Higgins Region) to Banos del Rio Blanco (La Araucania Region) and adjacent Argentina (Lanin National Park, Neuquén Province). Latitudinal range 34-40° S.
FIGURE 2 in The first Taeniolinum from the Andes Mountains and Colombia (Chilopoda: Geophilomorpha)
FIGURE 2. Taeniolinum neusicus sp. n., holotype (MPUJ_ENT0049000). A) First and second maxilae, B) Forcipular segment, C) ultimate leg-bearing segment; (pps) post pedal segment, (cp) coxal pores, D) Metasternites of leg-bearing segments, E) mandible; (dl) dentate lamella, (pl) pectinate lamella.
FIGURE 5 in The first Taeniolinum from the Andes Mountains and Colombia (Chilopoda: Geophilomorpha)
FIGURE 5. Correlation plot of morphological characters of T. neusicus sp. n; Long = Body lenght, Leg.p = Number of leg pairs, Ce.L= Cephalic plate lenght, Ce.W = Cephalic plate width, Ant.L = antennae length, Lab.med = median labral teeth, Lab.lat = lateral labral teeth Lab.T = Total labral teeth, Clip= clipeal setae, Ult.L= ultimate tergite length, Ult.W = Ultimate terguite width. Color indicating direction of correlation, size of the circle indicating strenght of correlation.
FIGURE 1 in The first Taeniolinum from the Andes Mountains and Colombia (Chilopoda: Geophilomorpha)
FIGURE 1. Taeniolinum neusicus sp. n., holotype (MPUJ_ENT0049000). A) Cephalic plate, B) Clipeus (Clip) and labrum (lab), C) Rigth Antennae (dorsal) showing the location of specialized setae (type a, type b and type c).
FIGURE 3 in The first Taeniolinum from the Andes Mountains and Colombia (Chilopoda: Geophilomorpha)
FIGURE 3. Habitat of Taeniolinum neusicus sp. n. tropical montane forest at 3000 m a.s.l, located inside Parque Forestal Embalse del Neusa, Colombia, Cundinamarca. (Photo: Laura Quintero).
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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)
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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.