Browsing by Author "e0cadc00-5aef-4364-845c-abe1cb9d79eb"
Now showing items 1-20 of 46
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Kenagy, G. J.; Vásquez Salfate, Rodrigo; Nespolo, Roberto F.; Bozinovic, Francisco (Sociedad de Biologia de Chile, 2002)We present an analysis of time and energy allocation in a day-active caviomorph rodent, the degu, Octodon degus, in central Chile. We quantified components of surface activity in the field on a daily basis in individual ...
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Bozinovic, Francisco; Catalán, Tamara P.; Estay, Sergio A.; Sabat Kirkwood, Alejandro Pablo (2013)Background: Among the predictions of the effect of future climate change, the impact of thermal conditions at local levels on the physiological performance of individuals and their acclimation capacities is key to ...
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Bozinovic, Francisco; Contreras, Luis C. (Springer-Verlag, 1990)We studied the energetics of two herbivorous desert rodents from South America. The two species had slightly lower basal metabolic rates, lower thermal conductances, and higher temperature differentials than those expected ...
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Lagos, Nelson A.; Fuentes-Contreras, Eduardo; Bozinovic, Francisco; Niemeyer, Hermann M. (2001)The effects of parasitisation by Aphidius ervi on the thermoregulatory behaviour of the pea aphid Acyrtosiphon pisum were studied in alfalfa fields and in an experimental thermal gradient. In the field, mummies were found ...
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Bozinovic, Francisco; Medel Contreras, Rodrigo (Springer-Verlag, 1988)An inferential analysis of the foraging mode (opportunist or mediate by prey selection) of a taxonomic assemblage of raptors in central Chile was conducted. The analysis of energetic aspects such as daily requirements of ...
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González Gómez, Paulina L.; Madrid López, Natalia; Salazar, Juan E.; Suárez, Rodrigo; Razeto Barry, Pablo; Mpodozis Marín, Jorge; Bozinovic, Francisco; Vásquez Salfate, Rodrigo (2014)In scatter-hoarding species, several behavioral and neuroanatomical adaptations allow them to store and retrieve thousands of food items per year. Nectarivorous animals face a similar scenario having to remember quality, ...
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Zamorano, Jorge; Bozinovic, Francisco; Veloso Iriarte, Claudio (Elsevier, 2017)In this article, we assessed the effect of the rearing temperature on life history traits of the poorly known fly Phasmovora phasmophagae (Diptera: Tachinidae), a parasitoid of Agathemera crassa (Phasmatodea: Agathemeridae) ...
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Sabat Kirkwood, Alejandro Pablo; Narváez, Cristóbal; Peña Villalobos, Isaac; Aranda Contreras, Carolina Andrea; Maldonado, Karin; Sánchez Hernández, Juan C.; Newsome, Seth D.; Nespolo, Roberto; Bozinovic, Francisco (Frontiers media SA, 2017)Many physiological adjustments occur in response to salt intake in several marine taxa, which manifest at different scales from changes in the concentration of individual molecules to physical traits of whole organisms. ...
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Bozinovic, Francisco; Bacigalupe, Leonardo D.; Vásquez Salfate, Rodrigo; Visser, G. Henk; Veloso Iriarte, Claudio; Kenagy, G. J. (Elsevier Inc., 2004)Animals process and allocate energy at different seasons at variable rates, depending on their breeding season and changes in environmental conditions and resulting physiological demands. Overall total energy expenditure, ...
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Kenagy, G. J.; Nespolo, Roberto F.; Vásquez Salfate, Rodrigo; Bozinovic, Francisco (Sociedad de Biologia de Chile, 2002)We present an analysis of behavioral flexibility in a day-active caviomorph rodent, the degu, Octodon degus, in response to temporal (daily and seasonal), spatial, and thermal heterogeneity of its environment. We quantified ...
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Sabat Kirkwood, Alejandro Pablo; Novoa, Fernando; Bozinovic, Francisco; Martínez del Río, Carlos (University of Chicago Press, 1998)The adaptive modulation hypothesis posits that the expression of digestive proteins should be modulated in response to intake of their respective substrates. A corollary of this hypothesis suggests that dietary flexibility ...
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Clavijo-Baquet, Sabrina; Boher, Francisca; Ziegler, Lucia; Martel, Sebastián; Estay, Sergio; Bozinovic, Francisco (Nature Publishing Groups, 2014)Temperature is a major factor affecting population abundance and individual performance. Net reproductive rate (R0) and intrinsic rate of increase (r) differ in their response to different temperature regimes, and much of ...
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Meynard, Christine; López-Calleja, M. Victoria; Bozinovic, Francisco; Sabat Kirkwood, Alejandro Pablo (American Ornithologist Society, 1999)We studied the activity of three intestinal membrane-bound digestive enzymes in the Rufous-tailed Plantcutter (Phytotoma rara), one of the smallest species of avian herbivores. We selected the disaccharidases (sucrase and ...
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Naya, Daniel E.; Farfán, Gonzalo; Sabat Kirkwood, Alejandro Pablo; Méndez, Marco; Bozinovic, Francisco (Elsevier Inc., 2005)Gut plasticity is a trait with implications on animal performance. However, and despite their importance as study models in physiology, research on gut flexibility in amphibians is scarce. In the present work, we analyse ...
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Does digestion rate affect diet selection? A study in Octodon degus, a generalist herbivorous rodent Bozinovic, Francisco; Torres-Contreras, Hugo (Springer Verlag, 1998)Dietary chemistry and an animal digestive physiology should be considered in any explanation of behavioral patterns of food use, as both influence dietary preference. In the degu Octodon degus (Molina, 1782), a generalist ...
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Cavieres, Grisel; Núñez Villegas, Mónica; Bozinovic, Francisco; Sabat Kirkwood, Alejandro Pablo (The Company of Biologists Ltd., 2017)We studied the putative effect of early life experience on the physiological flexibility of metabolic and osmoregulatory traits in the leaf-eared mouse, Phyllotis darwini, an altricial rodent inhabiting seasonal Mediterranean ...
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Ramírez Otarola, Natalia; Sarria, Mauricio; Rivera, Daniela S.; Sabat Kirkwood, Alejandro Pablo; Bozinovic, Francisco (Springer Verlag, 2019)© 2018, Springer-Verlag GmbH Germany, part of Springer Nature. The relationships between immunity, oxidative stress, and diet have not often been studied together. Despite this, it has been shown that dietary proteins can ...
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González Gómez, Paulina L.; Bozinovic, Francisco; Vásquez Salfate, Rodrigo (Academic Press, 2011)Episodic memory has been described as the ability to recall personal past events, involving what, where and when an event has been experienced. Cognitive abilities like learning and memory are pivotal to the performance ...
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Canals, Mauricio; Rosenmann, Mario; Bozinovic, Francisco (1989)Huddling in small mammals appears as an efficient response to low ambient temperatures with important consequences in thermoregulatory energy savings. These energy savings have been ascribed to a decrease in the exposed ...
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Bacigalupe, Leonardo D.; Araya, Nury M.; Carter, Mauricio J.; Catalán, Tamara P.; Lardies, Marco A.; Bozinovic, Francisco (2007)