Browsing by Author "Aránguiz Acuña, Adriana"

Now showing items 1-10 of 10

    • Benefits, costs and reactivity of inducible defences: an experimental test with rotifers 
      Aránguiz Acuña, Adriana; Ramos Jiliberto, Rodrigo; Sarma, Nandini; Sarma, S. S. S.; Bustamante Araya, Ramiro; Toledo, Verónica (2010)
      1. A key aspect of the ecology and evolution of adaptive prey responses to predator risk is the timing by which the former develop a defensive trait in response to inducing signals released by the latter. This property, ...
    • Between-species differences in demographic responses to temperature of coexisting cladocerans 
      Ramos Jiliberto, Rodrigo; Aránguiz Acuña, Adriana (Ecological Society of Australia, 2007)
      In this work we report on the seasonal trends of abundances in terms of temperature exposure for four coexisting cladoceran species (Daphnia ambigua (Daphniidae), Ceriodaphnia dubia (Daphniidae), Diaphanosoma chilense ...
    • Diapause may promote coexistence of zooplankton competitors 
      Aránguiz Acuña, Adriana; Ramos Jiliberto, Rodrigo (Oxford University Press, 2014)
      Production of diapausing eggs in many zooplankton species occurs after partial switching from parthenogenesis to sexual reproduction. Storage effect theory predicts the stable long-term coexistence of competitors ...
    • Differentiation of Diatom Guilds in Extreme Environments in the Andean Altiplano 
      Heine Fuster, Inger; López Allendes, Camila; Aránguiz Acuña, Adriana; Véliz Baeza, David Enrique (Frontiers Media, 2021)
      The Andean Altiplano is characterized by its isolation, high altitude (> 3,600 m a.s.l.), and a unique biodiversity, containing water systems such as lakes, rivers, wetlands, and salt flats. Near the southernmost area of ...
    • Enfrentando amenazas simultáneas: respuestas demográficas de Brachionus calyciflorus frente a riesgo de ... 
      Heine Fuster, Inger Andrea (Universidad de Chile, 2013)
      El desarrollo de defensas en respuesta a señales químicas liberadas por depredadores es una estrategia plástica presente en muchas especies que habitan diferentes ambientes. Estas respuestas son expresadas como cambios ...
    • Experimental assessment of interaction costs of inducible defenses in plankton 
      Aránguiz Acuña, Adriana; Ramos Jiliberto, Rodrigo; Bustamante Araya, Ramiro (2011)
      The expression of phenotypically plastic traits in prey organisms, triggered by changes in the abundance of their predators, is customarily assumed to involve costs in some fitness components such as fecundity, growth or ...
    • Experimental evidence that induced defenses promote coexistence of zooplanktonic populations 
      Aránguiz Acuña, Adriana; Bustamante Araya, Ramiro; Ramos Jiliberto, Rodrigo (Oxford University Press, 2011)
      Theoretical predictions suggest that adaptive phenotypic plasticity, and induced defenses in particular, exert a stabilizing effect on ecological systems and increase the likelihood of species coexistence. Nonetheless, ...
    • Immediate and delayed life-history responses of Daphnia ambigua to conspecific cues 
      Carvajal Salamanca, J. L.; Aránguiz Acuña, Adriana; Ramos Jiliberto, Rodrigo; Zúñiga, Luis R. (OXFORD UNIV PRESS, 2008-10)
      Studies of planktonic organisms have shown that various life-history traits, and consequently population growth rate, can be affected by chemical cues released by high densities of conspecifics. In this work we test for ...
    • Limnological response from high‑altitude wetlands to the water supply in the Andean Altiplano 
      García Sanz, Ignacio; Heine Fuster, Inger Andrea; Luque, José A.; Pizarro Martínez, Héctor Orlando; Castillo, Rodrigo; Pailahual, Matías; Prieto, Manuel; Pérez Portilla, Pablo; Aránguiz Acuña, Adriana (Nature, 2021)
      The Andean Altiplano-Puna is located at an elevation of approximately 4000 m.a.s.l. and is delineated by the Western and the Eastern Andes Cordillera. The high-altitude wetlands (HAWs) in the Central Andes are unique ...
    • Pre-encounter versus post-encounter inducible defenses in predator–prey model systems 
      Ramos Jiliberto, Rodrigo; Frodden, Ernesto; Aránguiz Acuña, Adriana (Elsevier, 2007)
      It has been reported that, in order to reduce mortality, prey are able to change their phenotype in response to cues released from predators. These short-time responses constitute effective antipredator strategies in ...