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272 results for “Central Andes”
Spatiotemporal variability of stable isotopes in precipitation and stream water in a high elevation tropical catchment in the Central Andes of Colombia
<p>Stable isotopes data set for the manuscript "Spatio-temporal variability of stable isotopes in precipitation and stream water of a high elevation tropical catchment in the Central Andes of Colombia".</p> <p>Data also used by Andrés Tangarife-Escobar for the thesis "Analysis of the spatial and temporal distribution of stable isotopes and their driving factors in the Upper Claro River Basin, Colombian Andes" to obtain the title of MSc in "Tropical Hydrogeology and Environmental Engineering" at the Technische Universität Darmstadt (Germany) in 2019. </p> <p>Samples collected by Jorge Ceballos from IDEAM (Colombia) and analyzed by the Servicio Geologico Colombiano. </p> <p> </p> <p> </p> <p> </p> <p> </p>
Figures 4–12 in Cystowithius ankeri sp. nov. (Arachnida: Pseudoscorpiones: Withiidae), a new pseudoscorpion from the Central Andes of Colombia
Figures 4–12. Cystowithius ankeri sp. nov., Jardín Botánico de la Universidad de Caldas, Manizales, Caldas, Colombia: (4–8, 10–12) holotype male, ICN-APs-837; (9) paratype male, ICN-APs-766. (4) Carapace, dorsal view; (5) left chelicera, dorsal view; (6) right rallum; (7) left chela showing trichobothrial pattern, retrolateral view; (8) right pedipalp, ventral view; (9) patches of glandular setae on sternite VIII; (10) sternite XI and tergite XI; (11) left leg I, lateral view; (12) left leg IV, lateral view. Scale bars: 0.05 mm (10), 0.1 mm (5, 9), 0.5 mm (4, 7, 8, 11, 12).
Figures 1–3 in Cystowithius ankeri sp. nov. (Arachnida: Pseudoscorpiones: Withiidae), a new pseudoscorpion from the Central Andes of Colombia
Figures 1–3. Cystowithius ankeri sp. nov. in situ, Jardín Botánico de la Universidad de Caldas, Manizales, Caldas, Colombia: (1) paratype male, ICN-APs682; (2) paratype male, ICN-APs-766; (3) paratype female, ICN-APs-767. Photographs by Arthur Anker.
Figures 15–19 in Cystowithius ankeri sp. nov. (Arachnida: Pseudoscorpiones: Withiidae), a new pseudoscorpion from the Central Andes of Colombia
Figures 15–19. Male specimens and distribution records of five species of Cystowithius: (15) C. ankeri sp. nov., paratype, MPEG PSE 000012; (16) C. chamberlini, incomplete holotype, CAS 18448; (17) C. colombicus, paratype, NHMW 24058; (18) C. ecuadoricus, paralectotype, NHMW 24056; (19) C. smithersi, paratype, MNHN, no number provided. Scale bars: 0.5 mm (15, 16); 1 mm (17, 18); without scale (19).
Figures 13–14 in Cystowithius ankeri sp. nov. (Arachnida: Pseudoscorpiones: Withiidae), a new pseudoscorpion from the Central Andes of Colombia
Figures 13–14. Habitat of Cystowithius ankeri sp. nov.: (13) type locality, Eucalyptus grandis alley, Jardín Botánico de la Universidad de Caldas, Manizales, Caldas, Colombia; (14) Eucalyptus grandis plantation, Vereda Gallinazo, Villamaría, Caldas, Colombia.
Drivers of plant diversity, community composition, functional traits and soil processes along an alpine gradient in the central Chilean Andes
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Data from: Caught in the act: Incipient speciation at the southern limit of Viburnum in the Central Andes
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Shortwave surface albedo of glaciers in the central Chilean Andes
<p>Data used to analyse glacier surface albedo change in the central Chilean Andes for the manuscript:</p> <p>Glacier albedo reduction and drought effects in the extratropical Andes, 1986-2020</p> <p>Thomas E. Shaw1, Genesis Ulloa2, David Farías-Barahona3, Rodrigo Fernandez2, Jose Lattus2, James McPhee1,4</p> <p>1 Advanced Mining Technology Center, Universidad de Chile, Santiago, Chile<br> 2 Department of Geology, Universidad de Chile, Santiago, Chile<br> 3 Institute für Geographie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany<br> 4 Department of Civil Engineering, Universidad de Chile, Santiago, Chile</p> <p>Corresponding author: Thomas E. Shaw (thomas.shaw@amtc.uchile.cl)<br> Keywords: Albedo, Andes, Glacier, Drought, Remote sensing, Climate</p> <p>%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%</p> <p>Sub-folders:<br> <strong> [Albedo]:</strong><br> '<strong>Albedo_ChileanGlaciers_DATA.mat'</strong> = matlab file that contains a structure of all information for analyses. <br> 'DATA' structure contains: <br> NAME = Glacier name<br> ALBEDO = 3D albedo matrices for each named glacier<br> DEM = ASTER DEM of same resolution + size<br> DEMtif = as above, but within a georeferenced GRIDobj frame read by TopoToolbox<br> CLASS = classification as 0 (no data), 1 (ice) or 2 (snow)<br> OTSUindex = The histogram separation value per year (per glacier) based upon Otsu inter-class variance<br> SHADOW = Shadowed pixels based upon solar geometry<br> SOLAR_AZI = Solar Azimuth per year taken from Landsat metadata<br> SOLAR_ELE = Solar Elevation per year taken from Landsat metadata<br> NIR = The Near-Infrared band of Landsat images for the Osu classification<br> SLOPE = The calculated slope angle based upon the DEM (GRIDobj format)</p> <p><br> 'SHAPE' is an 18*1 structure of the imported shapefiles in matlab format. Can be plotted using 'mapshow'</p> <p> <strong>[Shapefiles]:</strong><br> '<strong>CentralChileGlaciers.shp</strong>' = Shapefile of glacier boundaries delineated based upon April 2020 3 m PlanetScope imagery.</p> <p><br> <strong>[Climate]:</strong><br> '<strong>Ta_Precip_HY.mat</strong>' = Mean Monthly Air temperature (°C) and monthly total precipitation (mm) at long term DGA weather stations for each Hydrological year (April-March)<br> 'TAmonth_HY' = A matrix of 35 x 12 mean month air temperatures (°C) where rows (x35) = the hydrological year starting 1985-1986 and columns (x12) = the months of the hydrological year so that the first column is April and the final column is March of the following year<br> 'PPmonth_HY' = As above but a 3D matrix of 35 x 12 x 3 for monthly sums of precipitation (mm). The rows and columns are defined above and the third dimension are the stations Riecillos (32.92°S, 70.35°W ,1290 m a.s.l.), Embalse Yeso (33.67°S, 70.08°W, 2475 m a.s.l.) and Rengo (34.19°S, 70.75°W, 515 m a.s.l.), respectively.<br> <br> </p> <p><br> <br> </p>
Figure 4. Species accumulation curve for species richness and a in Food habits of the Cougar Puma concolor (Carnivora: Felidae) in the Central Andes of the Colombian Coffee Region
Figure 4. Species accumulation curve for species richness and a non-parametric estimator of species richness Chao 2 at several sectors of the Central Andes of the Coffee Region in Colombia. The species accumulation curve indicates that the sampling shows 100% of the species consumed by the cougar in this area.
Figure 2 in Food habits of the Cougar Puma concolor (Carnivora: Felidae) in the Central Andes of the Colombian Coffee Region
Figure 2. (A) Puma concolor photographed by camera trap in study area. (B) Feces sample. (C) Bones and hair separated from the sample.
Figure 1 in Food habits of the Cougar Puma concolor (Carnivora: Felidae) in the Central Andes of the Colombian Coffee Region
Figure 1. Places of collected puma scats within Central Andes of Colombia. The localities are: (1) Camino de La Fe, (2) El Topacio, (3) Romeral II, (4) Los Alpes, (5) Torre Cuatro, (6) La Enea, and (7) La María.
Figure 3 in Food habits of the Cougar Puma concolor (Carnivora: Felidae) in the Central Andes of the Colombian Coffee Region
Figure 3. Relative biomass of prey orders found in Puma concolor feces at the Central Andes of Colombia.
Figure 4 in Hectopsylla pulex (Haller, 1880) (Siphonaptera: Tungidae) infestation on Eptesicus furinalis (Chiroptera: Vespertilionidae) in the Central Andes of Colombia
Figure 4. Phylogenetic tree based on partial sequences of the COI gene.The tree was inferred through Maximum Likelihood (ML) method with the GTR + I evolution model. The sequences obtained in this study (bold) and the GenBank accessions numbers are provided within brackets. Numbers at nodes are bootstrap support values. The tree is drawn to scale, with branch lengths measured in the number of substitutions per site.
Figure 3 in Hectopsylla pulex (Haller, 1880) (Siphonaptera: Tungidae) infestation on Eptesicus furinalis (Chiroptera: Vespertilionidae) in the Central Andes of Colombia
Figure 3. Phylogenetic tree based on partial sequences of the 12S rRNA gene. The tree was inferred through Maximum Likelihood (ML) method with the Tamura 3-parameter evolution model. The sequences obtained in this study (bold) and GenBank accessions numbers are provided within brackets. Numbers at nodes are bootstrap support values.
Figure 2 in Hectopsylla pulex (Haller, 1880) (Siphonaptera: Tungidae) infestation on Eptesicus furinalis (Chiroptera: Vespertilionidae) in the Central Andes of Colombia
Figure 2. Adult female of the Argentine Bat, Eptesicus furinalis infested by seven individuals of Hectopsylla pulex in dorsal (A) and lateral (B) views. (C) lateral view of female, in the neosomal form of H. pulex. The specimen (MHN-UCa-M 3299) was collected in a peri-urban area at the northeastern part of the Municipality of Dosquebradas, Department of Risaralda, Colombia.
Figure 5 in Hectopsylla pulex (Haller, 1880) (Siphonaptera: Tungidae) infestation on Eptesicus furinalis (Chiroptera: Vespertilionidae) in the Central Andes of Colombia
Figure 5. Phylogenetic tree inferred from the concatenation of 12S and COI genes.The tree was inferred through Maximum Likelihood (ML) method with the GTR + I evolution model. The sequences obtained in this study (bold) and the GenBank accessions numbers are provided within brackets (12S; COI respectively). Numbers at nodes are above-selected branch support analysis from left to right: ultrafast bootstraps values, and Shimodaira-Hasegawa-like approximate likelihood-ratio test (SH-like aLRT). The tree is drawn to scale, with branch lengths measured in the number of substitutions per site.
Figure 1 in Hectopsylla pulex (Haller, 1880) (Siphonaptera: Tungidae) infestation on Eptesicus furinalis (Chiroptera: Vespertilionidae) in the Central Andes of Colombia
Figure 1. First document record of infestation of Hectopsylla pulex on a bat of the family Vespertilionidae in Colombia. (A) The new record in Eptesicus furinalis was obtained in Dosquebradas, Department of Risaralda (red star). Records for molossid, noctilionid, and phyllostomid species are shown. (B) Additional records of H. pulex infesting bats (Eptesicus, Histiotus, and Myotis) of the family Vespertilionidae in South America.
Data from: Warming had contrasting effects on the importance of facilitative interactions with a cushion nurse species on native and non-native species in the high-Andes of central Chile
<p>Alpine habitats are regarded as particularly vulnerable to the effects of climate change. On one hand, global warming is supposed to contributes to alpine environments becoming less stressful. On the other hand, altered snowpack due to warmer temperatures can intensify the stress in these habitats. The presence of non-native plants on some of these habitats is due to the facilitative effects exerted by native nurse plants, becoming an additional threat. According to the stress gradient hypothesis the importance of facilitative interactions with nurse species is expected to diminish as environmental harshness decreases due to climate change, yet remains important if climate change heightens the stress in alpine habitats. However, the responses also depend on climate change's impact on the nurse species. We conducted an experimental warming experiment in the Andes of the central Chile to assess the effects of warmer temperatures on the growth, reproduction and photochemical efficiency of the cushion nurse plant Azorella madreporica. Further we performed a cushion removal experiment involving three native species (Gamocarpha ventosa, Nocaccea magellanica and Rytidosperma pictum) and two non-native species (Cerastium arvense and Taraxacum officinale) to assess whether facilitative interactions changed with warming. We expected that under warmer conditions facilitation continued be important for the native species but decreased for the non-natives as the latter are abundant at warmer low elevations. We found that warmer conditions increased the photochemical efficiency and growth of the nurse cushions. Removal of cushions resulted in high mortality rates for all species. However, under warmer conditions, native species exhibited lower survival rates, whereas non-natives showed no significant changes compared to control groups. In summary, warmer temperatures were beneficial for the nurses maintaining the importance of facilitative interactions for native species, but not for the non-natives.</p>
Towards accurate quantification of ice content in permafrost of the Central Andes, part I: geophysics-based estimates from three different regions
<p>This data set contains two zip-files for a) the electrical resistivity tomography (ERT) data, and b) the refraction seismic tomography (RST) data used in</p> <p>Hilbich, C., Hauck, C., Mollaret, C., Wainstein, P., and Arenson, L. U.: Towards accurate quantification of ice content in permafrost of the Central Andes, part I: geophysics-based estimates from three different regions. The Cryosphere, 16, 1–28, https://doi.org/10.5194/tc-16-1845-2022.</p> <p> </p> <p><strong>1) Files included in allERT_Zenodo.zip:</strong></p> <p>(i) all ERT raw data files used in the paper,</p> <p>(ii) Topo_allERT.xlsx --> with the topography data of all profiles</p> <p>(iii) readme_ERT_files.txt --> with further explanations</p> <p> </p> <p><strong>2) Files included in allRST_Zenodo.zip:</strong></p> <p>(i) all RST raw data files used in the paper,</p> <p>(ii) Topo_xxx.txt with the topography data of each profile</p> <p>(iii) readme_RST_files.txt --> with further explanations</p> <p> </p> <p>Please consult the readme files first.</p>
Crustal anatomy and evolution of a subduction-related orogenic system: Insights from the Southern Central Andes (22-35°S)
<p>Kinematic models made with software MOVE, presented in the article "Crustal anatomy and evolution of a subduction-related orogenic system: Insights from the Southern Central Andes (22-35°S)".</p> <p><br> SPANISH: Modelos cinemáticos realizados en el software MOVE correspondientes al articulo: "Crustal anatomy and evolution of a subduction-related orogenic system: Insights from the Southern Central Andes (22-35°S)". (Anatomía cortical y evolución de un sistema orogénico relacionado a subducción)</p>
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