Search Results - "Vidal, Marcela A"

Genetic Diversity, Morphometric Characterization, and Conservation Reassessment of the Critically Endangered Freshwater Snail, Heleobia atacamensis , in the Atacama Saltpan, Northern Chile by Collado, Gonzalo A, Torres-Díaz, Cristian, Vidal, Marcela A, Valladares, Moisés A

“…Evaporitic ecosystems of the Atacama Desert contain a rich endemic fauna, including mollusk species. A recent study performed in the freshwater snail , endemic…”
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Identifying Strategies for Effective Biodiversity Preservation and Species Status of Chilean Amphibians by Vidal, Marcela A, Henríquez, Nayadet, Torres-Díaz, Cristian, Collado, Gonzalo, Acuña-Rodríguez, Ian S

“…Resources are limited in global biodiversity conservation efforts, which emphasizes the significance of setting conservation priorities. Using standardized…”
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Distribution, conservation assessment and management perspectives of Chilean micro-snails of the family Charopidae by Collado, Gonzalo A., Flores, Nataly, Vidal, Marcela A., Torres-Díaz, Cristian, Valladares, Moisés A.

“…The biodiversity of molluscs is highly threatened in marine, terrestrial and freshwater ecosystems worldwide. This research aimed at studying the distribution…”
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Morphological and molecular identification of the invasive freshwater snail Physa acuta (Gastropoda: Physidae) into Llanquihue Lake, Chilean Patagonia by COLLADO, GONZALO A., VIDAL, MARCELA A., TORRES-DÍAZ, CRISTIAN, CABRERA, FRANCISCO J., ARAYA, JUAN F., DARRIGRAN, GUSTAVO

“…Abstract The sewage snail Physa acuta, native to North America, is an effective invasive species around the world. In Chile, it was first reported in 2014 in…”
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Geometric Morphometric Analysis of the Head of Microlophus Atacamensis (Tropiduridae) in a Latitudinal Gradient by Ibáñez, Soledad, Vidal, Marcela A, Ortiz, Juan Carlos, Torres-Pérez, Fernando

“…Background Clinal variation is defined as gradual variation in a character associated with geographic distance among sites. Microlophus atacamensis is a medium…”
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Intra and interspecific variation in thermal performance and critical limits in anurans from southern Chile by Vidal, Marcela A., Rezende, Enrico L., Bacigalupe, Leonardo D.

“…The relationship between temperature and performance can be illustrated through a thermal performance curve (TPC), which has proven useful in describing…”
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Amphibian responses in experimental thermal gradients: Concepts and limits for inference by Navas, Carlos A., Gouveia, Sidney F., Solano-Iguarán, Jaiber J., Vidal, Marcela A., Bacigalupe, Leonardo D.

“…The interpretation of thermal-gradient data depends on the behavioral drives reported or assumed, and on the underlying behavioral models explaining how such…”
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Geography, Temperature, and Water: Interaction Effects in a Small Native Amphibian by Vidal, Marcela A, Barría-Oyarzo, Ismael, Contreras, Carolina, Bacigalupe, Leonardo D

“…Amphibian locomotor capacity is strongly linked to temperature and hydration. However, organisms in nature experience covariation of multiple environmental…”
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Thermoregulation and activity pattern of the high-mountain lizard Phymaturus palluma (Tropiduridae) in Chile by Vidal, Marcela A., Habit, Evelyn, Victoriano, Pedro, González-Gajardo, Angélica, Ortiz, Juan C.

“…Behavioral and physiological mechanisms of thermoregulation in ectotherms are conditioned by thermal constraints. These mechanisms may be even more restrictive…”
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Amphibian phylogenetic diversity in the face of future climate change: not so good news for the chilean biodiversity hotspot by Rodriguez, Leonardo J., Barbosa, Olga A., Azat, Claudio, Alvarado-Rybak, Mario, Correa, Claudio, Méndez, Marco A., Moreno-Gómez, Felipe N., Rabanal, Felipe E., Vidal, Marcela A., Velásquez, Nelson A., Bacigalupe, Leonardo D.

“…Climate change is projected to be the most extensive human-induced disturbance to occur on natural ecosystems, inducing changes in different biodiversity…”
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Correction: Amphibian phylogenetic diversity in the face of future climate change: not so good news for the Chilean biodiversity hotspot by Rodriguez, Leonardo J., Barbosa, Olga A., Azat, Claudio, Alvarado-Rybak, Mario, Correa, Claudio, Méndez, Marco A., Moreno-Gómez, Felipe N., Rabanal, Felipe E., Vidal, Marcela A., Velásquez, Nelson A., Bacigalupe, Leonardo D.

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Multiple late‐Pleistocene colonisation events of the Antarctic pearlwort Colobanthus quitensis (Caryophyllaceae) reveal the recent arrival of native Antarctic vascular flora by Biersma, Elisabeth M., Torres‐Díaz, Cristian, Molina‐Montenegro, Marco A., Newsham, Kevin. K., Vidal, Marcela A., Collado, Gonzalo A., Acuña‐Rodríguez, Ian S., Ballesteros, Gabriel I., Figueroa, Christian C., Goodall‐Copestake, William P., Leppe, Marcelo A., Cuba‐Díaz, Marely, Valladares, Moisés A., Pertierra, Luis R., Convey, Peter

“…Aim Antarctica's remote and extreme terrestrial environments are inhabited by only two species of native vascular plants. We assessed genetic connectivity…”
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Morphological and molecular analysis of cryptic native and invasive freshwater snails in Chile by Collado, Gonzalo A., Vidal, Marcela A., Aguayo, Karina P., Méndez, Marco A., Valladares, Moisés A., Cabrera, Francisco J., Pastenes, Luis, Gutiérrez Gregoric, Diego E., Puillandre, Nicolas

“…Species delimitation in minute freshwater snails is often difficult to perform using solely shell morphology. The problem intensifies when invasive species…”
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Modeling warming predicts a physiological threshold for the extinction of the living fossil frog Calyptocephalella gayi by Vidal, Marcela A., Novoa-Muñoz, Francisco, Werner, Enrique, Torres, Cristian, Nova, Ricardo

“…Global climate change will have a greater impact on ectotherms in tropical and subtropical communities than at higher latitudes, because ambient temperatures…”
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Phylogeography of a Patagonian lizard and frog: Congruent signature of southern glacial refuges by Vidal, Marcela A., Ibáñez, Soledad, Moreno, Patricio I., Poulin, Elie

“…Pleistocene glaciations produced significant increases in continental ice cover in polar and mid‐latitude temperate areas, sea‐level declines and shifts and…”
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Stable isotopes document mainland–island divergence in resource use without concomitant physiological changes in the lizard Liolaemus pictus by Vidal, Marcela A., Sabat, Pablo

“…Shifts in feeding ecology are believed to promote island–mainland divergence. The lizard Liolaemus pictus has several different subspecies on Chilean islands…”
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Genetic diversity and insular colonization of Liolaemus pictus (Squamata, Liolaeminae) in north-western Patagonia by VIDAL, MARCELA A., MORENO, PATRICIO I., POULIN, ELIE

“…The Chilotan Archipelago and surrounding areas of north‐western Patagonia (41°–43°S, 72°–74°W) offer a unique opportunity to study the interplay between the…”
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Seasonal and geographic variation in thermal biology of the lizard Microlophus atacamensis (Squamata: Tropiduridae) by Sepúlveda, Maritza, Vidal, Marcela A., Fariña, José M., Sabat, Pablo

“…1. We studied physiological thermal adaptation in the lizard Microlophus atacamensis along a latitudinal range. 2. Field body temperatures were independent…”
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Eye orbit geometric shape in Liolaemus as an indicator of polygyny or monogamy Geometría de la órbita ocular en Liolaemus como indicador de poliginia o monogamia by Marcela. A Vidal Maldonado

“…Most animal groups have sexual dimorphism in morphological characters, especially body size. In many cases, sexual dimorphism may be a consequence of a…”
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Patterns of endemism in south-eastern Pacific benthic polychaetes of the Chilean coast by Moreno, Rodrigo A., Hernández, Cristián E., Rivadeneira, Marcelo M., Vidal, Marcela A., Rozbaczylo, Nicolás

“…Aim In this study we evaluate patterns of endemism for benthic polychaete species along the southeastern Pacific coast of Chile. Our goals were (1) to describe…”
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