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208 results for “Atacama”
FIGURE 1 in The discarded cow from the flowered desert: revalidation of Gyriosomus crispaticollis Fairmaire, 1886 stat. rev. (Coleoptera: Tenebrionidae) in Southern Atacama, Chile
FIGURE 1. Overview of distribution and habitat of Gyriosumus species studied. a) Shaded area with the distribution area of G. crispaticollis (blueish), G. luczotii (yellowish) and G. multigranulosus (redish) based on Pizarro-Araya & Flores (2004), Pizarro-Araya and Jerez (2004) and own data. Samples of Gyriosomus used for genetic analyses are marked with circles: G. crispaticollis (blue circles), G. luczotii (yellow circles) and G. multigranulosus (red circle). Pointed blue light line represents the landmark Quebrada Seca. b) Overview of the habitat and specimens in situ of G. crispaticollis in Termas de Socos. c) Overview of the habitat and specimen in situ of G. luczotii in Cuesta Porotitos and d) Overview of the habitat and specimens in situ of G. multigranulosus in Ovalle.
Precolumbian Transregional Captive Rearing of Amazonian Parrots in the Atacama Desert
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Range expansion and contraction of Tillandsia landbeckii lomas in hyperarid Chilean Atacama Desert indicate ancient introgression and geneflow
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Data from: An integrative approach to understanding the evolution and diversity of Copiapoa (Cactaceae), a threatened endemic Chilean genus from the Atacama Desert
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Setting the evolutionary timeline: Tillandsia landbeckii in the Chilean Atacama Desert
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Figure 5 from: Espinoza-Donoso S, Bobadilla D, Huanca-Mamani W, Vargas-Ortiz M, Vargas HA (2020) A new species of Ithome Chambers (Lepidoptera, Cosmopterigidae, Chrysopeleiinae) from the Atacama Desert revealed by morphology and DNA barcodes. ZooKeys 912: 125-138. https://doi.org/10.3897/zookeys.912.47562
Figure 5 Habitat and host plant of Ithome tamarugensis Vargas, sp. nov. in the Atacama Desert. A Habitat near La Tirana village, Pampa del Tamarugal, northern Chile B a tree of tamarugo, Prosopis tamarugo (Fabaceae) C inflorescences of P. tamarugo at bud and flowering stages.
Figure 1 from: Espinoza-Donoso S, Bobadilla D, Huanca-Mamani W, Vargas-Ortiz M, Vargas HA (2020) A new species of Ithome Chambers (Lepidoptera, Cosmopterigidae, Chrysopeleiinae) from the Atacama Desert revealed by morphology and DNA barcodes. ZooKeys 912: 125-138. https://doi.org/10.3897/zookeys.912.47562
Figure 1 Maximum likelihood tree of the haplotypes of the DNA barcode fragment of Ithome tamarugensis Vargas, sp. nov. and Ithome tiaynai. Numbers indicate bootstrap percentages (1000 replicates). One sequence of Ithome curvipunctella was used as outgroup.
Figure 4 from: Espinoza-Donoso S, Bobadilla D, Huanca-Mamani W, Vargas-Ortiz M, Vargas HA (2020) A new species of Ithome Chambers (Lepidoptera, Cosmopterigidae, Chrysopeleiinae) from the Atacama Desert revealed by morphology and DNA barcodes. ZooKeys 912: 125-138. https://doi.org/10.3897/zookeys.912.47562
Figure 4 Female genitalia of Ithome tamarugensis Vargas, sp. nov. A Female genitalia in ventral view B papillae analis C ornamentation of intersegmental membrane between papillae and segment VIII D lamella postvaginalis E signum. Scale bar: 0.1 mm.
Figure 3 from: Espinoza-Donoso S, Bobadilla D, Huanca-Mamani W, Vargas-Ortiz M, Vargas HA (2020) A new species of Ithome Chambers (Lepidoptera, Cosmopterigidae, Chrysopeleiinae) from the Atacama Desert revealed by morphology and DNA barcodes. ZooKeys 912: 125-138. https://doi.org/10.3897/zookeys.912.47562
Figure 3 Male genitalia and pregenital abdominal segments of Ithome tamarugensis Vargas, sp. nov. A Abdominal segments VII and VIII B genitalia in ventral view, phallus removed, asterisk shows the right valva C phallus in lateral view D apex of the hook of the left valva (marked with arrow in B) E apex of phallus, arrow shows the dorsal excavation F cornutus. Scale bar: 0.1 mm.
FIG. 3 in The ways of fish beyond the sea: fish circulation and consumption in the Atacama desert, northern Chile, during the Formative period (500 cal B.C. - 700 cal A.D.)
FIG. 3. — Coastal fishing toolkit: A, gaff or "garabato" (uncertain chronology; Berenguer 2008: 25); B, C, stone line-weights from Caleta Huelén 20; D, stone line-weight from Hornitos 01; E, stone line-weight from Punta Blanca 01 (the four from the Formative Period; Ballester & Clarot 2014: 58); F, copper hook from Punta Grande 02; G, bone hook from Michilla 11; H-J, spine cactus hooks from Las Loberas (the five from the Formative Period; Ballester & Clarot 2014: 58); K, braided cotton line from Las Loberas (Formative Period; Ballester & Clarot 2014: 58); L, harpoon head made by a bone stem and cactus spine barbs from Caleta Huelén 31 (Formative Period; Spahni 1967: Pl. V, 17); M, harpoon head made by a bone stem and cactus spine barbs from Las Loberas (Formative Period; Ballester & Clarot 2014: 60); N, complete harpoon device scheme (Llagostera 1989: 62, fig. 2); O, complete fishing net from Las Loberas (Formative Period; Sinclaire 2008: 82). Scale bar: 10 cm.
FIG. 8 in The ways of fish beyond the sea: fish circulation and consumption in the Atacama desert, northern Chile, during the Formative period (500 cal B.C. - 700 cal A.D.)
FIG. 8. — Graphic showing the taxonomic richness of the different localities from the Atacama Desert. It has been distinguished between coast, oasis and routes. For coastal sites column, we have employed the information available in publications about Formative period archaeological sites from Antofagasta region (Bravo 1981, 1985; Llagostera 1990; Castelleti 2007; Castelleti & Maltraín 2010).
FIG. 1 in The ways of fish beyond the sea: fish circulation and consumption in the Atacama desert, northern Chile, during the Formative period (500 cal B.C. - 700 cal A.D.)
FIG. 1. — Atacama Desert (Chile) map with the localities (, current cities and towns;, archaeological localities and sites) and circulation routes (dotted lines) mentioned.
FIG. 5 in The ways of fish beyond the sea: fish circulation and consumption in the Atacama desert, northern Chile, during the Formative period (500 cal B.C. - 700 cal A.D.)
FIG. 5. — Human isotope values from the different cemeteries mentioned, separated by localities (Knudson et al. 2012; Torres-Rouff et al. 2012a; Ballester & Clarot 2014; Pestle et al. 2015a, b; Pestle 2017).
Figure 2 from: Moreira-Muñoz A, Muñoz-Schick M (2020) Rediscovery and taxonomic placement of Solanum polyphyllum Phil. (Solanaceae), a narrow endemic from the Chilean Atacama Desert. PhytoKeys 156: 47-54. https://doi.org/10.3897/phytokeys.156.53703
Figure 2 Solanum polyphyllum at an alluvial cone at the Tarapacá precordillera A habitat B flower details C leaves D flower E calyx F fruits G seeds H habit. Photos by A. Moreira-Muñoz, drawings by M. Muñoz-Schick.
Vegetation growth and landscape genetics of Tillandsia lomas at its dry limits in the Atacama Desert shows fine-scale response to environmental parameters
<p>1. Ecosystems at its dry limits have been studied while focusing on species biology, fitness and interactions of biotic and abiotic parameters; however, the interactive effects of these parameters remain under-explored and, therefore, information is often lacking about the putative effect of global climate change on these ecosystems.</p> <p>2. Here, we conducted an analysis of the interplay of fine-scale landscape genetics and biotic and abiotic factors of terrestrial <i>Tillandsia</i> lomas in the hyperarid Atacama Desert, characterized by a fog-dependent vegetation type consisting of almost one single vascular plant species only.</p> <p>3. We showed that metapopulations of <i>Tillandsia landbeckii</i> are genetically connected over many hundreds of squarekilometres, and despite a large potential to propagate clonally genetic diversity is structured, regionally and locally. On landscape-level genetic diversity correlates well with fitness parameters such as growth, flowering and vegetation density, and we observed also fine-scaled correlation with a 3-D landscape model indicating a positive feedback with saisonal fog occurrence and availability. The various interdependies of biotic and abiotic factors also result in regular linear banding patterns of vegetation arranged orthogonally towards landscape slope. <i>Ex-situ</i> growth experiments indicate that <i>T. landbeckii</i> growths at optimal rates within this extreme, hyperarid environment, and we can extrapolate mean biomass production for this particular ecosystem.</p> <p>4. <i>Synthesis.</i> Our results suggest that the unique ecosystem of terrestrial <i>Tillandsia</i> lomas in the hyperarid Atacama Desert is an evolutionary balanced and fine-scaled system. Vegetation itself is built up by long-lived and persistent modules. We developed a descriptive model of the various interacting factors, thereby highlighting also a severe threat caused by global climate change.</p>
Figure 1 from: Muñoz-Pedreros A, Norambuena HV, Gil C, Rau J (2020) Selective consumption of rodents by the Variable hawk Geranoaetus polyosoma (Accipitriformes: Accipitridae) in the Atacama Desert, northern Chile. Zoologia 37: 1-6. https://doi.org/10.3897/zoologia.37.e55615
Figure 1 Map showing the location of Ojo Apache at Antofagasta region, Chile; and the type of habitat present in the area. Satellite view of the Ojo Apache (top left); broad view of the valley, showing the topography and main phytophysiognomy (in the centre); and detailed view of the local vegetation (bottom left).
FIGURE 5 in A new species of Psectrascelis (Coleoptera: Tenebrionidae: Pimeliinae) from the coastal dunes of the Atacama Desert, Chile
FIGURE 5. Dorsal view of the Neotype female of Psectrascelis conjugens and the original labels.
DEATHSTAR - Nearby AGB stars with the Atacama Compact Array
<p>Low- and intermediate-mass stars develop slow and massive stellar winds when they reach the end of their lives. Investigating the mass-loss phenomenon on the asymptotic giant branch (AGB) is crucial in gaining a better understanding of late stellar evolution, as well as of the galactic chemical evolution, as AGB stars contribute significantly to the enrichment of the interstellar medium. DEATHSTAR is a large project aimed at improving the accuracy of stellar wind-parameter measurements. Constraining the size of the CO-emitting circumstellar envelope is the first step of the project, by mapping the envelopes in CO J=2–1 and 3–2 lines with the Atacama Compact Array (ACA). The first published DEATHSTAR sample consists of 69 nearby (<1 kpc) AGB stars of the three chemical types. In this video, I present the results from our initial analysis and the current status of the DEATHSTAR project.</p>
Supplementary material 1 from: Vargas HA (2022) Scrobipalpulopsis aguilaensis sp. nov. (Lepidoptera, Gelechiidae), the first representative of the genus discovered in the Atacama Desert, northern Chile. ZooKeys 1114: 105-119. https://doi.org/10.3897/zookeys.1114.84509
Figures S1, S2
FIGURE 9 in Revision of the genus Luispenaia Martínez (Coleoptera: Scarabaeidae: Melolonthinae: Tanyproctini), with description of three new species from the Atacama Desert, Chile
FIGURE 9. Male holotype of Luispenaia paradoxa Martínez. Scale: 1 mm.
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Allen Brain Atlas
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Annotated Behaviour and Observability Dataset (ABODe)
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