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1. "From freeze with moths": First discovery of a habitat in Andean salars for noctuid moths

Author:
Angulo, A.O.; Camano, A.; Angulo, G.A.
Source:
Neotropical entomology 2006 v.35 no.4 pp. 556-557
ISSN:
1519-566X
Subject:
moths; Noctuidae; Lycium; cacti and succulents; habitats; new geographic records; Chile
Abstract:
... Noctuid moths flutter in the high Andes nights at 4,000 m. s. n. m. Their larvae feed on aerial or underground parts of succulent plants. Many of these species are new to science. Strategies and adaptations of the moths for survival in the high Andes mountains are: a circulatory system that includes an abdominal thoracic countercurrent heat exchanger, and they are insulated from the environment by ...
DOI:
10.1590/S1519-566X2006000400020
PubMed:
17061807

2. 1,4-Benzoxazin-3-one, 2-Benzoxazolinone and Gallic Acid from Calceolaria thyrsiflora Graham and their Antibacterial Activity

Author:
Héctor R. Bravo; Sylvia V. Copaja; Sebastián Figueroa-Duarte; Madeleine Lamborot; José San Martín
Source:
Zeitschrift für Naturforschung 2014 v.60 no.5-6 pp. 389-393
ISSN:
1865-7125
Subject:
Calceolaria; Scrophulariaceae; antibacterial properties; flowers; gallic acid; leaves; medicinal plants; secondary metabolites; Chile
Abstract:
... Secondary metabolites, DIBOA, HBOA, 7-OH-HBOA, BOA and gallic acid, were isolated and quantified from Calceolaria thyrsiflora Graham, a native medicinal plant of Chile belonging to the Scrophulariaceae family. The highest DIBOA contents were determined in leaves (145 mmol kg⁻¹ dry wt) and flowers (161 mmol kg⁻¹ dry wt). Antibacterial activities of DIBOA, HBOA, BOA, gallic acid and infusions of flo ...
DOI:
10.1515/znc-2005-5-604

3. An 11‐country study to benchmark the implementation of recommended nutrition policies by national governments using the Healthy Food Environment Policy Index, 2015‐2018

Author:
Stefanie Vandevijvere; Simon Barquera; Gabriela Caceres; Camila Corvalan; Tilakavati Karupaiah; Maria Fernanda Kroker‐Lobos; Mary L'Abbé; See Hoe Ng; Sirinya Phulkerd; Manuel Ramirez‐Zea; Salome A. Rebello; Marcela Reyes; Gary Sacks; Carmen María Sánchez Nóchez; Karina Sanchez; David Sanders; Mark Spires; Rina Swart; Viroj Tangcharoensathien; Zoey Tay; Anna Taylor; Lizbeth Tolentino‐Mayo; Rob Van Dam; Lana Vanderlee; Fiona Watson; Clare Whitton; Boyd Swinburn
Source:
Obesity reviews 2019 v.20 Suppl S2 pp. 57-66
ISSN:
1467-7881
Subject:
experts; foods; healthy diet; infrastructure; issues and policy; taxes; Australia; Chile; England; Guatemala; Singapore
Abstract:
... The Healthy Food Environment Policy Index (Food‐EPI) aims to assess the extent of implementation of recommended food environment policies by governments compared with international best practices and prioritize actions to fill implementation gaps. The Food‐EPI was applied in 11 countries across six regions (2015‐2018). National public health nutrition panels (n = 11‐101 experts) rated the extent o ...
DOI:
10.1111/obr.12819

4. 128 Next-generation RNA sequencing of horse adipose and endometrial mesenchymal stem cells from the same donors unveils striking differences in their transcriptomic pattern

Author:
F. Navarrete; E. Mellisho; Y. Wang; J. Cabezas; L. L. Rodriguez-Alvarez; A. Navarro; F. Saravia; F. O. Castro
Source:
Reproduction, fertility, and development 2019 v.31 no.1 pp. 189-190
ISSN:
1031-3613
Subject:
adhesion; angiogenesis; biogenesis; cell growth; cell lines; cell proliferation; endometrium; gene expression regulation; gene ontology; gene overexpression; genes; heat; high-throughput nucleotide sequencing; horses; immune response; immune system; interleukin-8; mesenchymal stromal cells; messenger RNA; osteoblasts; phenotype; platelet-derived growth factor; principal component analysis; stem cells; transcriptomics; Chile
Abstract:
... Earlier we successfully isolated and characterised endometrial (eMSC) and adipose (aMSC) mesenchymal stem cells from the same donors. Mesenchymal stem cells share biological traits but display different surface marker phenotype and migration ability. Here we extended our research to their mRNA signature using next-generation sequencing. The RNA from cells (3 biological replicates from each cell ty ...
DOI:
10.1071/RDv31n1Ab128

5. 12th IFDC 2017 Special Issue –Challenges facing the establishment and management of a national food composition database in Argentina

Author:
Norma Samman; Maria Constanza Rossi
Source:
Journal of food composition and analysis 2019 pp. -
ISSN:
0889-1575
Subject:
Food and Agriculture Organization; consumer protection; food composition; food industry; foods; funding; human resources; international trade; nutrient databanks; nutrition; Argentina; Chile; Paraguay
Abstract:
... Food composition data play a key role in areas such as nutrition, agriculture, food industry, and trade. Therefore it is still essential to have recent and reliable data on the composition of the main foodstuffs that a country produces and consumes. In Argentina the objective is to form a national network of institutions to provide information and data to a national food composition database (NFCD ...
DOI:
10.1016/j.jfca.2019.103292

6. 13,000 years of sociocultural plant use in the Atacama Desert of northern Chile

Author:
Paula C. Ugalde; Virginia McRostie; Eugenia M. Gayo; Magdalena García; Claudio Latorre; Calogero M. Santoro
Source:
Vegetation history and archaeobotany 2021 v.30 no.2 pp. 213-230
ISSN:
0939-6314
Subject:
Holocene epoch; Pleistocene epoch; archaeobotany; climate; coasts; food shortages; history; landscapes; vegetation; wild plants; Andes region; Arctic region; Chile; Kalahari Desert
Abstract:
... Throughout Earth’s most extreme environments, such as the Kalahari Desert or the Arctic, hunter–gatherers found ingenious ways to obtain proteins and sugars provided by plants for dietary requirements. In the hyperarid Atacama Desert, wild plant resources are scarce and unevenly distributed due to limited water availability. This study brings together all available archaeobotanical evidence gather ...
DOI:
10.1007/s00334-020-00783-1

7. 145 Preliminary attempts to cryopreserve sperm of the Dredge Oyster, Ostrea chilensis

Author:
Serean L. Adams; John F. Smith; Jolene Taylor; H. Robin Tervit; Lindsay T. McGowan
Source:
Cryobiology 2013 v.67 no.3 pp. 439
ISSN:
0011-2240
Subject:
Ostrea; ambient temperature; breeding programs; breeding season; breeding stock; brooders; cryopreservation; cryoprotectants; dimethyl sulfoxide; disease resistance; eggs; farms; fisheries; fluorescence microscopy; genetic lines; germplasm; hermaphroditism; nitrogen; oysters; parasites; propidium; propylene glycol; rearing; selection methods; sperm motility; spermatozeugmata; staining; storage temperature; straw; trehalose; viability; Chile; New Zealand
Abstract:
... The dredge oyster, Ostrea chilensis, is native to New Zealand and Chile. Although this species has been commercially fished for decades, it is only recently that farming trials have been initiated. The “wild” commercial fishery was decimated in the 1980s by the parasite, Bonamia and so breeding for disease resistance is imperative for the progress of the aquaculture industry. Cryopreservation can ...
DOI:
10.1016/j.cryobiol.2013.09.151

8. 16S rRNA–Based Analysis Reveals Differences in the Bacterial Community Present in Tissues of Choromytilus chorus (Mytilidae, Bivalvia) Grown in an Estuary and a Bay in Southern Chile

Author:
Tamara Valenzuela; Joaquin I. Rilling; Giovanni Larama; Jacquelinne J. Acuña; Marco Campos; Nitza G. Inostroza; Macarena Araya; Katherine Altamirano; So Fujiyoshi; Kyoko Yarimizu; Fumito Maruyama; Milko A. Jorquera
Source:
Diversity 2021 v.13 no.5 pp. -
ISSN:
1424-2818
Subject:
Mollicutes; Mytilidae; Proteobacteria; aquaculture; bacterial communities; discriminant analysis; estuaries; functional diversity; mussels; phylotype; quantitative polymerase chain reaction; Chile
Abstract:
... Microbiota associated with bivalves have drawn considerable attention because studies have suggested their relevance to the fitness and growth of marine bivalves. Although the mussel Choromytilus chorus is a valuable resource for Chilean aquaculture and fisheries, its microbiota is still unknown. In this study, the composition and predicted functions of the bacterial community in tissues of C. cho ...
DOI:
10.3390/d13050209

9. A 17,300-year record of mercury accumulation in a pristine lake in southern Chile

Author:
Y.-M. Hermanns; H. Biester
Source:
Journal of paleolimnology 2013 v.49 no.4 pp. 547-561
ISSN:
0921-2728
Subject:
atmospheric deposition; bedrock; carbon; copper; dissolved organic matter; lakes; mercury; mineral soils; principal component analysis; sediments; vegetation; watersheds; weathering; yttrium; Argentina; Chile
Abstract:
... Anthropogenic mercury accumulation in lake sediments has been studied extensively, but natural processes that controlled mercury accumulation in the past are still poorly understood. We present a 17,300-year record of mercury accumulation in the sediments of Lake Hambre, southernmost Patagonia, Chile (53°S, 70°W), in combination with an investigation of environmental changes in the region. Mercury ...
DOI:
10.1007/s10933-012-9668-4

10. The 1877-1878 El Niño episode: associated impacts in South America

Author:
Aceituno, Patricio; Prieto, Maríadel del Rosario; Solari, María Eugenia; Martínez, Alejandra; Poveda, Germán; Falvey, Mark
Source:
Climatic change 2009 v.92 no.3-4 pp. 389-416
ISSN:
0165-0009
Subject:
El Nino; basins; climate change; coasts; drought; floods; greenhouse effect; highlands; humans; people; rain; semiarid zones; starvation; winter; Africa; Andes region; Asia; Brazil; Chile; Ecuador
Abstract:
... At times when attention on climate issues is strongly focused on the assessment of potential impacts of future climate change due to the intensification of the planetary greenhouse effect, it is perhaps pertinent to look back and explore the consequences of past climate variability. In this article we examine a large disruption in global climate that occurred during 1877-1878, when human influence ...
DOI:
10.1007/s10584-008-9470-5

11. A 19 Year Analysis of Small Mammals Associated with Human Hantavirus Cases in Chile

Author:
Fernando Torres-Pérez; R. Eduardo Palma; Dusan Boric-Bargetto; Cecilia Vial; Marcela Ferrés; Pablo A. Vial; Constanza Martínez-Valdebenito; Carlos Pavletic; Alonso Parra; Pablo A. Marquet; Gregory J. Mertz
Source:
Viruses 2019 v.11 no.9 pp. -
ISSN:
1999-4915
Subject:
Andes orthohantavirus; Oligoryzomys longicaudatus; animal viruses; antibodies; disease transmission; human population; immunoassays; probability; regression analysis; rodents; seroprevalence; small mammals; traps; zoonoses; Chile
Abstract:
... Small mammals present in areas where hantavirus cardiopulmonary syndrome (HCPS) cases had occurred in central and southern Chile were captured and analyzed to evaluate the abundance of rodents and seroprevalence rates of antibodies to Andes orthohantavirus (ANDV). Sampling areas ranged from the Coquimbo to Aysén regions (30–45° S approx.) regions. Ninety-two sites in peridomestic ...
DOI:
10.3390/v11090848
PubMed:
31547341
PubMed Central:
PMC6784195

12. The 2010 Mw 8.8 Maule Megathrust Earthquake of Central Chile, Monitored by GPS

Author:
Vigny, C.; Socquet, A.; Peyrat, S.; Ruegg, J.-C.; Métois, M.; Madariaga, R.; Morvan, S.; Lancieri, M.; Lacassin, R.; Campos, J.; Carrizo, D.; Bejar-Pizarro, M.; Barrientos, S.; Armijo, R.; Aranda, C.; Valderas-Bermejo, M.-C.; Ortega, I.; Bondoux, F.; Baize, S.; Lyon-Caen, H.; Pavez, A.; Vilotte, J.P.; Bevis, M.; Brooks, B.; Smalley, R.; Parra, H.; Baez, J.-C.; Blanco, M.; Cimbaro, S.; Kendrick, E.
Source:
Science 2011 v.332 no.6036 pp. 1417-1421
ISSN:
0036-8075
Subject:
deformation; earthquakes; geodesy; global positioning systems; kinematics; models; Chile
Abstract:
... Large earthquakes produce crustal deformation that can be quantified by geodetic measurements, allowing for the determination of the slip distribution on the fault. We used data from Global Positioning System (GPS) networks in Central Chile to infer the static deformation and the kinematics of the 2010 moment magnitude (Mw) 8.8 Maule megathrust earthquake. From elastic modeling, we found a total r ...
DOI:
10.1126/science.1204132

13. The 2010–2015 Megadrought and its influence on the fire regime in central and south‐central Chile

Author:
Mauro E. González; Susana Gómez‐González; Antonio Lara; René Garreaud; Ignacio Díaz‐Hormazábal
Source:
Ecosphere 2018 v.9 no.8 pp. e02300
ISSN:
2150-8925
Subject:
climate change; drought; fire hazard; fire regime; fire season; forest fires; forest management; forest plantations; forests; land use; landscape management; landscapes; planning; prediction; rain; statistics; temperature; vegetation cover; winter; Chile
Abstract:
... Forest fire activity has increased in recent years in central and south‐central Chile. Drought conditions have been associated with the increase of large wildfires, area burned and longer fire seasons. This study examines the influence of drought on fire regimes and discusses landscape management opportunities to decrease fire hazard. Specifically, we investigate the effect of the 2010–2015 Megadr ...
DOI:
10.1002/ecs2.2300

14. The 2010–2020 'megadrought' drives reduction in lake surface area in the Andes of central Chile (32º - 36ºS)

Author:
Magdalena Fuentealba; Camila Bahamóndez; Pablo Sarricolea; Oliver Meseguer-Ruiz; Claudio Latorre
Source:
Journal of hydrology 2021 v.38 pp. 100952
ISSN:
2214-5818
Subject:
Landsat; evaporation; freshwater; lakes; meteorological data; rain; snowmelt; surface area; temperature; water management; Andes region; Chile
Abstract:
... Andes central Chile (32ºS-36ºS) / Lakes Mountain lakes play a key role in the terrestrial freshwater reservoir, both for storage of snow melt and precipitation. Although lakes are sensitive to climate variability, the effect of global warming on water availability remains uncertain. Semiarid regions are especially sensitive to relatively small changes in temperature and precipitation as these have ...
DOI:
10.1016/j.ejrh.2021.100952

15. The 2011 Magnitude 9.0 Tohoku-Oki Earthquake: Mosaicking the Megathrust from Seconds to Centuries

Author:
Simons, Mark; Minson, Sarah E.; Sladen, Anthony; Ortega, Francisco; Jiang, Junle; Owen, Susan E.; Meng, Lingsen; Ampuero, Jean-Paul; Wei, Shengji; Chu, Risheng; Helmberger, Donald V.; Kanamori, Hiroo; Hetland, Eric; Moore, Angelyn W.; Webb, Frank H.
Source:
Science 2011 v.332 no.6036 pp. 1421-1425
ISSN:
0036-8075
Subject:
earthquakes; geophysics; models; Chile; Japan
Abstract:
... Geophysical observations from the 2011 moment magnitude (Mw) 9.0 Tohoku-Oki, Japan earthquake allow exploration of a rare large event along a subduction megathrust. Models for this event indicate that the distribution of coseismic fault slip exceeded 50 meters in places. Sources of high-frequency seismic waves delineate the edges of the deepest portions of coseismic slip and do not simply correlat ...
DOI:
10.1126/science.1206731

16. The 2016 red tide crisis in southern Chile: Possible influence of the mass oceanic dumping of dead salmons

Author:
Julien Armijo; Vera Oerder; Pierre-Amaël Auger; Angela Bravo; Ernesto Molina
Source:
Marine pollution bulletin 2020 v.150 pp. 110603
ISSN:
0025-326X
Subject:
Alexandrium catenella; algal blooms; ammonium; coasts; marine pollution; risk; satellite altimetry; surface water temperature; toxicity; Chile
Abstract:
... In 2016, a massive harmful algal bloom (HAB) of Alexandrium catenella around Chiloé island caused one of the major socio-ecological crisis in Chilean history. This red tide occurred in two distinct pulses, the second, most anomalous, bursting with extreme toxicity on the Pacific coast, weeks after the highly controversial dumping off Chiloé of 4,700 t of rotting salmons, killed by a previous HAB o ...
DOI:
10.1016/j.marpolbul.2019.110603

17. The 2030 Agenda for Sustainable Development and China’s Belt and Road Initiative in Latin America and the Caribbean

Author:
Yuanbo Li; Xufeng Zhu
Source:
Sustainability 2019 v.11 no.8 pp. -
ISSN:
2071-1050
Subject:
United Nations; governance; issues and policy; politics; risk; sustainable development; trade; Caribbean; Chile; China; Latin America
Abstract:
... During the initial implementation of the 2030 Agenda for Sustainable Development (the 2030 Agenda), the Second Ministerial Meeting of the Forum of China and the Community of Latin American and Caribbean States (CELAC) was held in Santiago, Chile, in January 2018. During this forum, China officially invited 33 countries in Latin America and the Caribbean (LAC) to join the Belt and Road Initiative ( ...
DOI:
10.3390/su11082297

18. 2050 LCOE (Levelized Cost of Energy) projection for a hybrid PV (photovoltaic)-CSP (concentrated solar power) plant in the Atacama Desert, Chile

Author:
C. Parrado; A. Girard; F. Simon; E. Fuentealba
Source:
Energy 2016 v.94 pp. 422-430
ISSN:
0360-5442
Subject:
carbon dioxide; carbon footprint; electricity; electricity costs; electricity generation; greenhouse gas emissions; mining; power plants; solar collectors; solar energy; thermal energy; Chile
Abstract:
... This study calculates the LCOE (Levelized Cost of Energy) on the PSDA (Atacama Solar Platform) for a solar–solar energy mix with the objective of evaluate new options for continuous energy delivery. LCOE was calculated for three 50 MW (megawatt) power plants: A PV (photovoltaic), a CSP (concentrated solar power) plant with 15 h TES (thermal energy storage) and a hybrid PV-CSP plant constituted wit ...
DOI:
10.1016/j.energy.2015.11.015

19. 240Pu/239Pu signatures allow refining the chronology of radionuclide fallout in South America

Author:
Pierre-Alexis Chaboche; Fabien Pointurier; Pierre Sabatier; Anthony Foucher; Tales Tiecher; Jean P.G. Minella; Marcos Tassano; Amélie Hubert; Sergio Morera; Stéphane Guédron; Christophe Ardois; Béatrice Boulet; Catherine Cossonnet; Pablo Cabral; Mirel Cabrera; Guillermo Chalar; Olivier Evrard
Source:
Science of the total environment 2022 v.843 pp. 156943
ISSN:
0048-9697
Subject:
USSR; environment; plutonium; radioactive fallout; sediments; Chile; Polynesia; Uruguay
Abstract:
... Atmospheric nuclear tests (1945–1980) have led to radioactive fallout across the globe. French tests in Polynesia (1966–1974) may influence the signature of fallout in South America in addition to those conducted by USA and former USSR until 1963 in the Northern hemisphere. Here, we compiled the ²⁴⁰Pu/²³⁹Pu atom ratios reported for soils of South America and conducted additional measurements to ex ...
DOI:
10.1016/j.scitotenv.2022.156943

20. 3,7-Dimethylpentadecane: a Novel Sex Pheromone Component from Leucoptera sinuella (Lepidoptera: Lyonetiidae)

Author:
Wilson Barros-Parada; Jan Bergmann; Tomislav Curkovic; Cristian Espinosa; Eduardo Fuentes-Contreras; Jorge Guajardo; Heidy Herrera; Sebastián Morales; Abel F. O. Queiroz; Álvaro Vidal
Source:
Journal of chemical ecology 2020 v.46 no.9 pp. 820-829
ISSN:
0098-0331
Subject:
Leucoptera; Populus; bait traps; chemical ecology; dose response; exports; extracts; feeding behavior; gas chromatography; hexane; industry; larvae; leafminers; leaves; males; mass; mass spectrometry; moths; orchards; pupation; raw fruit; sampling; sex pheromones; testing; trees; virgin females; Chile
Abstract:
... Leucoptera sinuella is a leaf-miner moth present in several regions in the world, which has been recently introduced into Chile. The larvae feed exclusively on the leaves of poplar and willow trees, and the damage caused by the feeding behavior poses a threat to the wood-producing industry. Besides, L. sinuella larvae invade nearby orchards for pupation, causing rejections in Chilean fresh fruit f ...
DOI:
10.1007/s10886-020-01208-z

21. A 30-year update of the climbers and vascular epiphytes inventory of the Cerro Ñielol Natural Monument (La Araucanía, Chile): a database

Author:
Jimmy Pincheira-Ulbrich; Bárbara Vallejos; Jorge Huincaguelo; Ulises Zambrano; Fernando Peña-Cortés
Source:
Biodiversity data journal 2021 v.9 pp. e72521
ISSN:
1314-2828
Subject:
Lapageria rosea; anthropogenic activities; botanical composition; climate change; conservation areas; data collection; databases; ecosystems; ecotones; epiphytes; ferns and fern allies; forest soils; forests; hosts; indicator species; introduced species; inventories; microhabitats; monuments; phytogeography; shrubs; species abundance; species richness; tree and stand measurements; trees; vascular plants; vines; Chile
Abstract:
... Plant species diversity may be seriously threatened in ecotone zones under global climate change. Therefore, keeping updated inventories of indicator species seems to be a good strategy for monitoring wild areas located in these strips. The database comes from an inventory of climbers and vascular epiphytes conducted in the Cerro Ñielol Natural Monument, a small protected area (89 hectares) locate ...
DOI:
10.3897/BDJ.9.e72521

22. 3D mapping, hydrodynamics and modelling of the freshwater-brine mixing zone in salt flats similar to the Salar de Atacama (Chile)

Author:
M.A. Marazuela; E. Vázquez-Suñé; E. Custodio; T. Palma; A. García-Gil; C. Ayora
Source:
Journal of hydrology 2018 v.561 pp. 223-235
ISSN:
0022-1694
Subject:
aquifers; digital images; evaporation; freshwater; geometry; hydrodynamics; lithium; mathematical models; minerals; mixing; permeability; wetlands; Chile
Abstract:
... Salt flat brines are a major source of minerals and especially lithium. Moreover, valuable wetlands with delicate ecologies are also commonly present at the margins of salt flats. Therefore, the efficient and sustainable exploitation of the brines they contain requires detailed knowledge about the hydrogeology of the system. A critical issue is the freshwater-brine mixing zone, which develops as a ...
DOI:
10.1016/j.jhydrol.2018.04.010

23. 3‐D ballistic transport of ellipsoidal volcanic projectiles considering horizontal wind field and variable shape‐dependent drag coefficients

Author:
Daniel Bertin
Source:
Journal of geophysical research 2017 v.122 no.2 pp. 1126-1151
ISSN:
2169-9313
Subject:
geophysics; mathematical models; research; wind speed; Chile
Abstract:
... An innovative 3‐D numerical model for the dynamics of volcanic ballistic projectiles is presented here. The model focuses on ellipsoidal particles and improves previous approaches by considering horizontal wind field, virtual mass forces, and drag forces subjected to variable shape‐dependent drag coefficients. Modeling suggests that the projectile's launch velocity and ejection angle are first‐ord ...
DOI:
10.1002/2016JB013320

24. 4-Methyl-1-hepten-3-one, the Defensive Compound from Agathemera elegans (Philippi) (Phasmatidae) Insecta

Author:
Guillermo Schmeda-Hirschmann
Source:
Zeitschrift für Naturforschung 2014 v.61 no.7-8 pp. 592-594
ISSN:
1865-7125
Subject:
Phasmatidae; blindness; females; humans; insects; males; Andes region; Chile
Abstract:
... Insects of the genus Agathemera (Phasmatidae) live in the Chilean Andes over 1500 m above sea level. On disturbing, the insects release a spray that can cause temporary blindness in humans. Very little is known on the composition of chemicals used for defense by South American phasmids. Here we show that both female and male defensive secretion of Agathemera elegans is made up of 4-methyl-1-hepten ...
DOI:
10.1515/znc-2006-7-820

25. 400 years for long-distance dispersal and divergence in the northern Atacama desert – Insights from the Huaynaputina pumice slopes of Moquegua, Peru

Author:
Schwarzer, Christian; Huamaní, Fatima Cáceres; Cano, Asunción; La Torre, María I.; Weigend, Maximilian
Source:
Journal of arid environments 2010 v.74 no.11 pp. 1540-1551
ISSN:
0140-1963
Subject:
pumice; soil; flora; Angiospermae; vegetation; climate; Argentina; Chile; Bolivia; Peru
Abstract:
... The Huaynaputina eruption (1600 AD, Moquegua, S Peru) in the northern Atacama Desert denuded the Omate area of all vegetation and deposited deep pumice layers. Data on the flora, climate and soil characteristics of these slopes near Omate at 1600-2600 m a.s.l. are provided. Fifty-nine angiosperm species established themselves on the pumice slopes in the past ca. 400 years, with the bulk of the sma ...
DOI:
10.1016/j.jaridenv.2010.05.034

26. A 400-year tree-ring record of the Puelo River summer-fall streamflow in the Valdivian Rainforest eco-region, Chile

Author:
Lara, Antonio; Villalba, Ricardo; Urrutia, Rocío
Source:
Climatic change 2008 v.86 no.3-4 pp. 331-356
ISSN:
0165-0009
Subject:
El Nino; La Nina; Libocedrus chilensis; atmospheric circulation; farmed fish; fish production; growth rings; rain forests; rivers; spectral analysis; sport fishing; stream flow; surface temperature; temporal variation; tourism; water power; Chile
Abstract:
... The Puelo River is a watershed shared between Chile and Argentina with a mean annual streamflow of 644 m³ s-¹. It has a high ecologic and economic importance, including introduced farmed salmon, tourism, sports fishing and projected hydroelectricity. Using Austrocedrus chilensis and Pilgerodendron uviferum tree-ring records we reconstructed summer-fall (December-May) Puelo River streamflow, which ...
DOI:
10.1007/s10584-007-9287-7

27. 50 years of water extraction in the Pampa del Tamarugal basin: Can Prosopis tamarugo trees survive in the hyper-arid Atacama Desert (Northern Chile)?

Author:
R.O. Chávez; J.G.P.W. Clevers; M. Decuyper; S. de Bruin; M. Herold
Source:
Journal of arid environments 2016 v.124 pp. 292-303
ISSN:
0140-1963
Subject:
Landsat; Prosopis tamarugo; basins; canopy; diurnal variation; dry environmental conditions; ecosystems; forests; groundwater; leaves; reflectance; remote sensing; summer; trees; water stress; winter; Chile
Abstract:
... Groundwater-dependent ecosystems are threatened worldwide by unsustainable groundwater (GW) extraction. This is the case of the Prosopis tamarugo Phil forest in the hyper-arid Atacama Desert (Northern Chile), one of the most extreme ecosystems on Earth. Despite concerns about the conservation of this ecosystem, little research has been done to quantify the effects of the increasing GW depth (GWD) ...
DOI:
10.1016/j.jaridenv.2015.09.007

28. 60 Years of Glacier Elevation and Mass Changes in the Maipo River Basin, Central Andes of Chile

Author:
David Farías-Barahona; Álvaro Ayala; Claudio Bravo; Sebastián Vivero; Thorsten Seehaus; Saurabh Vijay; Marius Schaefer; Franco Buglio; Gino Casassa; Matthias H. Braun
Source:
Remote Sensing 2020 v.12 no.10 pp. -
ISSN:
2072-4292
Subject:
balance studies; digital elevation models; drought; ecosystems; freshwater; glaciers; ice; lidar; radar; remote sensing; topographic maps; topography; water resources; watersheds; Andes region; Chile
Abstract:
... Glaciers in the central Andes of Chile are fundamental freshwater sources for ecosystems and communities. Overall, glaciers in this region have shown continuous recession and down-wasting, but long-term glacier mass balance studies providing precise estimates of these changes are scarce. Here, we present the first long-term (1955–2013/2015), region-specific glacier elevation and mass change estima ...
DOI:
10.3390/rs12101658

29. A 600 years warm-season temperature record from varved sediments of Lago Plomo, Northern Patagonia, Chile (47°S)

Author:
Julie Elbert; Martin Jacques-Coper; Maarten Van Daele; Roberto Urrutia; Martin Grosjean
Source:
Quaternary International 2015 v.377 pp. 28-37
ISSN:
1040-6182
Subject:
altitude; data collection; glaciers; ice; lakes; melting; meteorological data; reflectance; sediment transport; sediments; summer; suspended sediment; temperature; warm season; winter; Argentina; Chile
Abstract:
... High-resolution records of calibrated proxy data for the past millennium are fundamental to place current changes into the context of pre-industrial natural forced and unforced variability. Although the need for regional spatially-explicit comprehensive reconstructions is widely recognized, the proxy data sources are still scarce, particularly for the Southern Hemisphere and especially for South A ...
DOI:
10.1016/j.quaint.2015.01.004

30. A 600-year-long stratigraphic record of tsunamis in south-central Chile

Author:
Isabel Hong; Tina Dura; Lisa L Ely; Benjamin P Horton; Alan R Nelson; Marco Cisternas; Daria Nikitina; Robert L Wesson
Source:
Holocene v.27 no.1 pp. 39-51
ISSN:
1477-0911
Subject:
Bacillariophyceae; cesium; earthquakes; freshwater; peat; radiocarbon dating; radionuclides; river valleys; rivers; sand; stratigraphy; tsunamis; Chile
Abstract:
... The stratigraphy within coastal river valleys in south-central Chile clarifies and extends the region’s history of large, earthquakes and accompanying tsunamis. Our site at Quidico (38.1°S, 73.3°W) is located in an overlap zone between ruptures of magnitude 8–9 earthquakes in 1960 and 2010, and, therefore, records tsunamis originating from subduction-zone ruptures north and south of the city of Co ...
DOI:
10.1177/0959683616646191

31. 677. tropaeolum azureum

Author:
Rix, Martyn
Source:
Curtis's botanical magazine 2010 v.27 no.3 pp. 235-241
ISSN:
1355-4905
Subject:
Tropaeolum azureum; plant propagation; botanical illustration; Chile
Abstract:
... Tropaeolum azureum Bertero ex Colla from northern Chile is described and illustrated. Its cultivation and propagation are discussed. ...
DOI:
10.1111/j.1467-8748.2010.01696.x

32. A 68 ka precipitation record from the hyperarid core of the Atacama Desert in northern Chile

Author:
Julia L. Diederich; Volker Wennrich; Roberto Bao; Christoph Büttner; Andreas Bolten; Dominik Brill; Stefan Buske; Eduardo Campos; Emma Fernández-Galego; Peggy Gödickmeier; Lukas Ninnemann; Mark Reyers; Benedikt Ritter; Laura Ritterbach; Christian Rolf; Stephanie Scheidt; Tibor J. Dunai; Martin Melles
Source:
Global and planetary change 2020 v.184 pp. 103054
ISSN:
0921-8181
Subject:
Miocene epoch; atmospheric circulation; basins; calcium sulfate; carbonates; clay; deserts; dry climates; floods; humidity; rain; sediments; summer; surface temperature; watersheds; winter; Chile
Abstract:
... The Atacama Desert in northern Chile is one of the driest deserts on Earth. Hyperaridity persists at least since the Miocene and was punctuated by pluvial phases. However, very little is known about the timing, regional spread and intensities of precipitation changes. Here, we present a new precipitation record from a sedimentary sequence recovered in a tectonically blocked endorheic basin that is ...
DOI:
10.1016/j.gloplacha.2019.103054

33. A 700-year record of climate and environmental change from a high Andean lake: Laguna del Maule, central Chile (36°S)

Author:
María L Carrevedo; Matías Frugone; Claudio Latorre; Antonio Maldonado; Patricia Bernárdez; Ricardo Prego; Daniela Cárdenas; Blas Valero-Garcés
Source:
Holocene v.25 no.6 pp. 956-972
ISSN:
1477-0911
Subject:
Bacillariophyceae; aerobic conditions; altitude; anthropogenic activities; bromine; climate; climate change; geochemistry; iron; lakes; landscapes; littoral zone; manganese; models; pollen analysis; radiocarbon dating; sediment deposition; tephra; urban population; vegetation; volcanic activity; Andes region; Chile
Abstract:
... Central Chile is heavily exploited for mineral and water resources, with agriculture and large urban populations all creating intensive landscape use. Few records of past environmental and climate change are available that afford a broader context. To aid in this assessment, we present a 700-year reconstruction from Laguna del Maule (LdM) in the high Andes of central Chile based on sedimentologica ...
DOI:
10.1177/0959683615574584

34. 753. GILLIESIA MONTANA: Amaryllidaceae – Allioideae

Author:
Martyn Rix; Kit Strange; Paula J. Rudall
Source:
Curtis's botanical magazine 2013 v.30 no.1 pp. 28-35
ISSN:
1355-4905
Subject:
plant cultural practices; botanical illustration; Gilliesia montana; Chile
Abstract:
... Gilliesia montana Poepp. & Endl., a bulbous plant from central Chile, is described and illustrated. Suggestions for its successful cultivation are provided. ...
DOI:
10.1111/curt.12014

35. 79 MicroRNAs of extracellular vesicles secreted by embryos as an early biomarker of competence

Author:
B. Melo-Baez; Y. S. Wong; J. Cabezas; C. J. Aguilera; F. O. Castro; L. Rodriguez-Alvarez
Source:
Reproduction, fertility, and development 2020 v.32 no.2 pp. 166
ISSN:
1031-3613
Subject:
biomarkers; biosynthesis; blastocyst; cattle; computer software; culture media; exosomes; fatty acids; flow cytometry; gap junctions; gene expression; gene expression regulation; genes; lysine; microRNA; nanoparticles; principal component analysis; signal transduction; stem cells; transmission electron microscopy; ultrafiltration; Canada; Chile
Abstract:
... Extracellular vesicles (EVs), including exosomes and microvesicles, are secreted by different cell types and participate in cellular communication by carrying molecules as microRNAs (miRNAs) that can interfere with gene expression of target cells. Extracellular vesicles have become relevant as a mechanism of embryo-maternal communication. The aim of this study was to evaluate miRNA content in EVs ...
DOI:
10.1071/RDv32n2Ab79

36. 80 Evaluation of extracellular vesicles from culture medium of human embryos as a possible method of pre-implantation genetic diagnosis

Author:
C. Aguilera; D. Veraguas; C. Henriquez; A. Velasquez; F. O. Castro; L. Rodriguez-Alvarez
Source:
Reproduction, fertility, and development 2020 v.32 no.2 pp. 166
ISSN:
1031-3613
Subject:
DNA; chromosome aberrations; chromosomes; comparative genomic hybridization; culture media; embryo (animal); embryo culture; exosomes; humans; intracytoplasmic sperm injection; lipids; messenger RNA; microarray technology; nanoparticles; proteins; transmission electron microscopy; viability; Chile
Abstract:
... Noninvasive methods are the clue to increase the efficiency of invitro-derived embryo selection without decreasing their competence. Embryos selection based on their morphology is the most used method but only 40% of selected embryos are able to implant and develop correctly. In humans, pre-implantation genetic diagnosis increases the efficiency of selection by excluding embryos with chromosomal a ...
DOI:
10.1071/RDv32n2Ab80

37. 853. SOPHORA CASSIOIDES: Leguminosae

Author:
Martyn Rix; Gwilym Lewis
Source:
Curtis's botanical magazine 2016 v.33 no.4 pp. 338-346
ISSN:
1355-4905
Subject:
Sophora; botany; plants (botany); taxon descriptions; Chile
Abstract:
... Sophora cassioides (Phil.) Sparre, from Chile, is illustrated and suggestions for its cultivation are given. The history of Sophora sect. Edwardsia is discussed briefly. ...
DOI:
10.1111/curt.12168

38. Ophelimus migdanorum Molina-Mercader sp. nov. (Hymenoptera: Eulophidae): Application of Integrative Taxonomy for Disentangling a Polyphenism Case in Eucalyptus globulus Labill Forest in Chile

Author:
Gloria Molina-Mercader; Andrés O. Angulo; Tania S. Olivares; Eugenio Sanfuentes; Miguel Castillo-Salazar; Eladio Rojas; Oscar Toro-Núñez; Hugo A. Benítez; Rodrigo Hasbún
Source:
Forests 2019 v.10 no.9 pp. -
ISSN:
1999-4907
Subject:
Eucalyptus camaldulensis; Eucalyptus globulus; Eulophidae; adults; antennae; cytochrome-c oxidase; databases; forests; genes; growth habit; mitochondria; new species; phylogeny; plantations; polyphenism; taxonomic keys; wasps; Chile
Abstract:
... In 2003, a new gall-inducing wasp of the genus Ophelimus was detected in the Valparaíso Region (Chile), affecting tree plantations of Eucalyptus globulus Labill and Eucalyptus camaldulensis Dehnh. Since then Ophelimus has been frequently detected in different plantations in Chile, covering a widespread area. A preliminary collaborative study suggests that the micro-wasp detected should be classifi ...
DOI:
10.3390/f10090720

39. Sarcocornia neei as an Indicator of Environmental Pollution: A Comparative Study in Coastal Wetlands of Central Chile

Author:
Verónica Meza; Camilo Lillo; Daniela Rivera; Eva Soto; Rodrigo Figueroa
Source:
Plants 2018 v.7 no.3 pp. -
ISSN:
2223-7747
Subject:
Sarcocornia; arsenic; boron; cadmium; calcium; comparative study; copper; electrical conductivity; halophytes; heavy metals; iron; lead; magnesium; manganese; nitrogen; phosphorus; phytoremediation; potassium; saline soils; sodium; soil organic matter; soil pollution; soil sampling; soluble salts; wetlands; zinc; Chile
Abstract:
... Being adapted to saline environments, halophytes are plant species that have received considerable attention due to their ability to cope with environmental stress factors, such as high concentrations of soluble salts and heavy metals. In this work, we focused on determining if the Sarcocornia neei (S. neei) plant can be considered as an indicator of heavy metal pollution in soil. This was done by ...
DOI:
10.3390/plants7030066
PubMed:
30126116
PubMed Central:
PMC6161243

40. 13C-NMR spectroscopy of humic substances isolated from the agricultural soils of Puchuncavi (El Melón and Puchuncavi areas), central Chile

Author:
Ivan Alekseev; Evgeny Abakumov
Source:
Soil and Water Research v.15 no.3 pp. 191-198
ISSN:
1801-5395
Subject:
agricultural soils; humification; mineralization; nitrogen; nuclear magnetic resonance spectroscopy; organic carbon; pH; phosphorus; plant growth; research; soil organic matter; soil pollution; urbanization; water; Chile
Abstract:
... Chile is a well-developed agricultural country, which is faced with the problem of agricultural soil contamination with metals, such as Cu, Cd, Pb and Zn, and metalloids (As). These elements can be retained by soils through different mechanisms, i.e., complex-forming with organic matter or occlusion within organic matter. That is why studying soil contamination should also be accompanied by detail ...
DOI:
10.17221/81/2019-swr

41. 1H NMR and Multivariate Analysis for Geographic Characterization of Commercial Extra Virgin Olive Oil: A Possible Correlation with Climate Data

Author:
Domenico Rongai; Nadia Sabatini; Laura Del Coco; Enzo Perri; Paolo Del Re; Nicola Simone; Donato Marchegiani; Francesco Paolo Fanizzi
Source:
Foods 2017 v.6 no.11 pp. -
ISSN:
2304-8158
Subject:
discriminant analysis; extra-virgin olive oil; least squares; metabolomics; meteorological data; nuclear magnetic resonance spectroscopy; Australia; Chile; Italy; Portugal; Sicily; Spain; Tunisia; Turkey (country)
Abstract:
... 1H Nuclear Magnetic Resonance (NMR) spectroscopy coupled with multivariate analysis has been applied in order to investigate metabolomic profiles of more than 200 extravirgin olive oils (EVOOs) collected in a period of over four years (2009–2012) from different geographic areas. In particular, commercially blended EVOO samples originating from different Italian regions (Tuscany, Sicily and Apulia) ...
DOI:
10.3390/foods6110096
PubMed:
29112134
PubMed Central:
PMC5704140

42. ACCD-producing rhizobacteria from an Andean Altiplano native plant (Parastrephia quadrangularis) and their potential to alleviate salt stress in wheat seedlings

Author:
Jacquelinne J. Acuña; Marco Campos; María de la Luz Mora; Deb P. Jaisi; Milko A. Jorquera
Source:
Applied soil ecology 2019 pp. -
ISSN:
0929-1393
Subject:
1-aminocyclopropane-1-carboxylate deaminase; Klebsiella; Serratia; auxins; biomass; ecosystems; indigenous species; plant growth-promoting rhizobacteria; rhizosphere bacteria; roots; salt stress; salt tolerance; seedlings; siderophores; sodium chloride; superoxide dismutase; wheat; Andes region; Chile
Abstract:
... 1-Aminocyclopropane-1-carboxylate deaminase (ACCD)-producing rhizobacteria are widely studied as plant growth-promoting rhizobacteria (PGPR) to alleviate a variety of stresses in plants. However, the presence of ACCD-producing rhizobacteria in plants that naturally occur in stressful ecosystems as well as the potential PGPR activity in agriculturally relevant plants has been poorly explored thus f ...
DOI:
10.1016/j.apsoil.2019.01.005

43. AFLP comparison of distant Melampsora epitea (willow rust) populations

Author:
Hurtado, Sergio; Ramstedt, Mauritz
Source:
Mycological research 2002 v.106 pp. 1400-1407
ISSN:
0953-7562
Subject:
Melampsora; amplified fragment length polymorphism; fungi; genetic distance; genetic variation; population; Chile; France; Northern Ireland; Sweden
Abstract:
... To compare genetic variation among four geographically distant populations of the fungus species Melampsora epitea causing willow rust, a two-primer combination was used for ALFP fingerprinting of 24 isolates from Sweden, along with 10 from France, 24 from Northern Ireland, and 35 from Chile. The banding patterns of all 93 isolates were easily distinguished and revealed polymorphism among individu ...
DOI:
10.1017/S0953756202006846

44. The AMS Integrated Management Model: A decision-support system for automatic milking systems

Author:
J.I. Gargiulo; N.A. Lyons; C.E.F. Clark; S.C. Garcia
Source:
Computers and electronics in agriculture 2022 v.196 pp. 106904
ISSN:
0168-1699
Subject:
Internet; agriculture; data collection; decision support systems; economic performance; electronics; farms; mechanics; milk; model validation; models; profitability; profits and margins; Argentina; Australia; Chile; Ireland; New Zealand
Abstract:
... There is a significant opportunity to improve profitability and productivity in pasture-based automatic milking systems (AMS). A decision-support system (DSS) is required for AMS that can integrate key mechanics of dynamic biological processes with farm economics. Here we developed and evaluated a web-based DSS named the Integrated Management Model (IMM) designed for assisting AMS farmers and thei ...
DOI:
10.1016/j.compag.2022.106904

45. Abrocomaphthirus hoplai, a new genus and species of sucking louse from Chile and its relevance to zoogeography

Author:
Durden, L.A.; Webb, J.P. Jr.
Source:
Medical and veterinary entomology 1999 v.13 no.4 pp. 447-452
ISSN:
0269-283X
Subject:
hosts; zoogeography; Polyplacidae; anatomy and morphology; new combination; new species; new genus; rodents; Chile
Abstract:
... Both sexes of Abrocomaphthirus hoplai, new genus and new species (Anoplura: Polyplacidae), are described and illustrated. The endemic Chilean chinchilla rat Abrocoma bennetti Waterhouse (Rodentia: Abrocomidae) is the type host. The definition of the family Polyplacidae is amended to accommodate the new genus. Polyplax longa (Werneck), also referred to in the literature as Neohaematopinus longus We ...
DOI:
10.1046/j.1365-2915.1999.00201.x
PubMed:
10608235

46. Abscisic acid is involved in phenolic compounds biosynthesis, mainly anthocyanins, in leaves of Aristotelia chilensis plants (Mol.) subjected to drought stress

Author:
Jorge González‐Villagra; Jerry D. Cohen; Marjorie M. Reyes‐Díaz
Source:
Physiologia plantarum 2019 v.165 no.4 pp. 855-866
ISSN:
0031-9317
Subject:
Aristotelia chilensis; abscisic acid; anthocyanins; biochemical mechanisms; biosynthesis; fluridone; gene expression; leaves; phenolic compounds; quantitative polymerase chain reaction; water stress; Chile
Abstract:
... Abscisic acid (ABA) regulates the physiological and biochemical mechanisms required to tolerate drought stress, which is considered as an important abiotic stress. It has been postulated that ABA might be involved in regulation of plant phenolic compounds biosynthesis, especially anthocyanins that accumulate in plants subjected to drought stress; however, the evidence for this postulate remains el ...
DOI:
10.1111/ppl.12789

47. Absorption, translocation and allocation of glyphosate in resistant and susceptible Chilean biotypes of Lolium multiflorum

Author:
Perez, A.; Alister, C.; Kogan, M.
Source:
Weed biology and management 2004 v.4 no.1 pp. 56-58
ISSN:
1444-6162
Subject:
Lolium multiflorum; phytotoxicity; glyphosate; dose response; weed control; absorption; translocation (plant physiology); biotypes; genetic variation; Chile
DOI:
10.1111/j.1445-6664.2003.00117.x

48. Abundance and dispersion of the invasive Mediterranean annual, Centaurea melitensis in its native and non-native ranges

Author:
Jolene R. Moroney; Philip W. Rundel
Source:
Biological invasions 2013 v.15 no.3 pp. 495-507
ISSN:
1387-3547
Subject:
Centaurea; annuals; atmospheric precipitation; correlation; dispersions; invasive species; population density; soil nutrients; temperature; California; Chile; Spain
Abstract:
... In general, invasive plants are assumed to behave more aggressively in their invasive ranges than in their native range, and studies of the mechanisms of invasion often assume these differences. However, comparisons of abundances between native and invasive ranges are rarely carried out. We compared density and dispersion of the invasive plant, Centaurea melitensis (Asteraceae) in its native range ...
DOI:
10.1007/s10530-012-0302-1

49. Abundance and distribution of American beaver, Castor canadensis (Kuhl 1820), in Tierra del Fuego and Navarino islands, Chile

Author:
Oscar Skewes; Fernando Gonzalez; Rodrigo Olave; Alberto Ávila; Víctor Vargas; Peter Paulsen; Horst Erich König
Source:
European journal of wildlife research 2006 v.52 no.4 pp. 292-296
ISSN:
1612-4642
Subject:
Castor canadensis; Nothofagus; adverse effects; animals; forests; geographic information systems; islands; population distribution; population growth; wilderness; Canada; Chile
Abstract:
... Castor canadensis specimens were imported from Canada and released in the wilderness on the Argentinean part of Tierra del Fuego (TDF) in the year 1946. First studies on the development of the beaver population and subsequent environmental changes were conducted four decades later and indicated a strong expansion of these animals, with negative effects on the forest, especially the dominant Nothof ...
DOI:
10.1007/s10344-006-0038-2

50. Abundance and habitat preferences of the southernmost population of mink: implications for managing a recent island invasion

Author:
Schüttler, Elke; Ibarra, José Tomás; Gruber, Bernd; Rozzi, Ricardo; Jax, Kurt
Source:
Biodiversity and conservation 2010 v.19 no.3 pp. 725-743
ISSN:
0960-3115
Subject:
Castor canadensis; Neovison vison; beaches; coasts; habitat preferences; habitats; invasive species; islands; linear models; managers; mink; population ecology; predators; scientists; surveys; trapping; traps; wilderness; Chile
Abstract:
... Since 2001 invasive American mink has been known to populate Navarino Island, an island located in the pristine wilderness of the Cape Horn Biosphere Reserve, Chile, lacking native carnivorous mammals. As requested by scientists and managers, our study aims at understanding the population ecology of mink in order to respond to conservation concerns. We studied the abundance of mink in different se ...
DOI:
10.1007/s10531-009-9730-3