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208 results for “Atacama”
FIGURE 20 in Rumikiru, n. gen. (Scorpiones: Bothriuridae), a New Scorpion Genus from the Atacama Desert
FIGURE 20. Rumikiru lourencoi (Ojanguren- Affilastro, 2003), n. comb., ♂ (MACN-Ar), dextral pedipalp femur. A. Dorsal aspect. B. External aspect. C. Ventral aspect. D. Internal aspect. Scale bar = 1 mm.
FIGURE 16. Rumikiru atacama, n in Rumikiru, n. gen. (Scorpiones: Bothriuridae), a New Scorpion Genus from the Atacama Desert
FIGURE 16. Rumikiru atacama, n. sp., ♂ (MACN-Ar), dextral pedipalp femur. A. Dorsal aspect. B. External aspect. C. Ventral aspect. D. Internal aspect. Scale bar = 1 mm.
FIGURE 21 in Rumikiru, n. gen. (Scorpiones: Bothriuridae), a New Scorpion Genus from the Atacama Desert
FIGURE 21. Rumikiru lourencoi (Ojanguren- Affilastro, 2003), n. comb., ♂ (MACN-Ar), dextral pedipalp patella. A. Dorsal aspect. B. External aspect. C. Ventral aspect. D. Internal aspect. Scale bar = 1 mm.
FIGURE 17. Rumikiru atacama, n in Rumikiru, n. gen. (Scorpiones: Bothriuridae), a New Scorpion Genus from the Atacama Desert
FIGURE 17. Rumikiru atacama, n. sp., ♂ (MACN-Ar), dextral pedipalp patella. A. Dorsal aspect. B. External aspect. C. Ven- tral aspect. D. Internal aspect. Scale bar = 1 mm.
Data from: A sedimentary eDNA record of the Atacama Trench reveals biodiversity changes in the most productive marine ecosystem
<p>The hadopelagic environment remains highly understudied due to the inherent difficulties in sampling at these depths. The use of sediment eDNA can overcome some of these restrictions as settled and preserved DNA represent an archive of the biological communities. We use sediment eDNA to assess changes in the community within one of the world's most productive open ocean ecosystems: the Atacama Trench. The ecosystems around the Atacama Trench have been intensively fished and are affected by climate oscillations, but the understanding of potential impacts on the marine community is limited. We sampled five sites using sediment cores at water depths from 2400 to ~8000m. The chronologies of the sedimentary record were determined using 210Pbex. Environmental DNA was extracted from core slices and metabarcoding was used to identify the eukaryote community using two separate primer pairs for different sections of the 18S rDNA gene (V9 and V7) effectively targeting pelagic taxa. The reconstructed communities were similar among markers and mainly composed of chordates and members of the Chromista kingdom. Alpha-diversity was estimated for all sites in intervals of 15 years (from 1842 to 2018), showing a severe drop in biodiversity from 1970 to 1985 that aligns with one of the strongest known El Niño events. We argue that the harsh adverse ENSO events potentially combined with extensive fishing efforts during this period of time resulted in a distinct reduction of marine biodiversity. Fish and cnidarian read abundance was examined separately to determine if fishing had a direct impact, but no direct relation was found. These results demonstrate that sediment eDNA can be a valuable emerging tool providing insight in historical perspectives on ecosystem developments. This study constitutes one of the first steps toward an improved understanding of the importance of environmental and anthropogenic drivers in affecting open and deep ocean communities.</p>
Fig. 4 in Drainage Network Morphology Influences Population Structure and Gene Flow of the Andean Water Frog (Anura: Telmatobiidae) of the Atacama Desert, Northern Chile.
Fig. 4. Results of the Geneland analysis. A: Bar plot of posterior probability density according to the number of clusters; B: posterior probability maps for the delimited clusters.
Fig. 3 in Drainage Network Morphology Influences Population Structure and Gene Flow of the Andean Water Frog (Anura: Telmatobiidae) of the Atacama Desert, Northern Chile.
Fig. 3. Pairwise FST between localities of Telmatobius pefauri obtained using mitochondrial (A) and microsatellite (B) data. The colour scale corresponding to the values of FST is shown to the right of each matrix. Significant (Bonferroni corrected) comparisons showing p <0.05, p <0.01 and p <0.001 are denoted by *, ** and ***, respectively.
Fig. 2 in Drainage Network Morphology Influences Population Structure and Gene Flow of the Andean Water Frog (Anura: Telmatobiidae) of the Atacama Desert, Northern Chile.
Fig. 2. Median-joining network based on the fragment of the analysed control region. Table 1. Indices of mitochondrial diversity, nuclear diversity, and inbreeding coefficients (FIS) by locality
Fig. 1 in Drainage Network Morphology Influences Population Structure and Gene Flow of the Andean Water Frog (Anura: Telmatobiidae) of the Atacama Desert, Northern Chile.
Fig. 1. Study area, distribution of Telmatobius pefauri. Localities, 1: Socoroma (Socoroma River); 2: Murmuntani; 3: Copaquilla; 4: Chapiquiña; 5: Belén; 6: Lupica; 7: Saxamar. Localities 2 and 3 belong to the Seco River drainage; localities 4–7 belong to the Tignamar River drainage. Basin limits are indicated with dashed lines. The inset map shows the study area (highlighted by a red box) in relation to South America. SAAD = South American Arid Diagonal.
Fig. 5 in Drainage Network Morphology Influences Population Structure and Gene Flow of the Andean Water Frog (Anura: Telmatobiidae) of the Atacama Desert, Northern Chile.
Fig. 5. Scatter plot for the first two principal components obtained in the Principal Components Analysis using SSR data.
Fig. 2 in Genetic divergence of a newly documented population of the cecidogenous micromoth Eugnosta azapaensis Vargas & Moreira (Lepidoptera: Tortricidae) in the Atacama Desert of northern Chile
Fig. 2. Median joining network of the haplotypes of the DNA barcode fragment (658 bp) of the cytochrome c oxidase subunit I (COI) gene of Eugnosta azapaensis from Azapa (white) and Chaca (black) valleys, Atacama Desert of northern Chile. H1, H2, H3, H4 haplotypes; circles proportional to the frequency of the respective haplotype; numbers between circles indicates variable sites; gray triangle a median vector.
Fig. 1 in Genetic divergence of a newly documented population of the cecidogenous micromoth Eugnosta azapaensis Vargas & Moreira (Lepidoptera: Tortricidae) in the Atacama Desert of northern Chile
Fig. 1. The study area in South America (left) and the sampling sites (right) of Eugnosta azapaensis in the Atacama Desert of northern Chile. The type locality Azapa Valley (black circle) and the newly documented locality Chaca Valley (black triangle).
Figs. 1–4 in First host plant record for Strymon davara (Hewitson) (Lepidoptera, Lycaenidae) in the highly human-modified coastal valleys of the Atacama Desert
Figs. 1–4. Adults of Strymon davara reared from larvae collected on Alternanthera halimifolia. 1–2, Male, dorsal and ventral view, respectively. 3–4, Female, dorsal and ventral view, respectively. Bar = 5 mm.
Figure 4 in Two new species of plume moths (Lepidoptera: Pterophoridae) from Atacama Desert (Chile)
Figure 4. Hellinsia haverineni Ustjuzhanin, Kovtunovich & Pototski sp. nov. Adult, male, holotype.
Figure 3 in Two new species of plume moths (Lepidoptera: Pterophoridae) from Atacama Desert (Chile)
Figure 3. Lioptilodes karinupponeni Ustjuzhanin, Kovtunovich & Pototski sp. nov. Female genitalia, paratype (IZBE gen.pr. Nr. 3042359).
Figure 6 in Two new species of plume moths (Lepidoptera: Pterophoridae) from Atacama Desert (Chile)
Figure 6. Type locality. Huasco River valley by Huasco Bajo vill. 31.i.2017 (photo by R. Haverinen).
Figure 2 in Two new species of plume moths (Lepidoptera: Pterophoridae) from Atacama Desert (Chile)
Figure 2. Lioptilodes karinupponeni Ustjuzhanin, Kovtunovich & Pototski sp. nov. Male genitalia, holotype (IZBE gen.pr. Nr. 3042358).
Figure 1 in Two new species of plume moths (Lepidoptera: Pterophoridae) from Atacama Desert (Chile)
Figure 1. Lioptilodes karinupponeni Ustjuzhanin, Kovtunovich & Pototski sp. nov. Adult, male, holotype.
Figure 2 in On the natural history of Cosmophyga cortesi Vargas (Lepidoptera: Geometridae), a little-known geometrid moth of the Atacama Desert
Figure 2 Habitat of Cosmophyga cortesi Vargas, 2008 in the Livilcar Ravine, Atacama Desert of northern Chile.
Figure 1 in On the natural history of Cosmophyga cortesi Vargas (Lepidoptera: Geometridae), a little-known geometrid moth of the Atacama Desert
Figure 1 The sampling sites of Cosmophyga cortesi Vargas, 2008 in the Atacama Desert of northern Chile. Type locality (Azapa Valley) marked with yellow; new locality (Livilcar Ravine) marked with blue. Upper boxes generated with SimpleMappr (Shorthouse, 2010). Map data 2021 (C) Google for the lower box. Scale bar 10 km.
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.