2016
DOI: 10.22179/revmacn.18.428
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Recent changes in animal and plant distribution in the southern extreme of the Paranaense biogeographical province (northeastern Buenos Aires province, Argentina): ecological responses to climate change?

Abstract: The Northern region of Buenos Aires province, in Argentina, suffered an uninterrupted increase in rainfall and temperature values during the last decades. The aim of the present contribution is to analyze the effects of such climatic change in the distribution of local flora and fauna. The analysis resulted in the recognition of distributional shifts in a total of 115 species. These changes represented the progressive southern expansion of species typically present in subtropical areas. Because all these chang… Show more

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Cited by 15 publications
(14 citation statements)
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References 22 publications
(27 reference statements)
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“…Empirical evidence has demonstrated that geographic distributions of many species have shifted due to changing climatic conditions [ 61 64 ]. In Argentina, a mean temperature rise of 0.5°C was registered during the last 100 years [ 65 ] and more than 100 subtropical species of plants and animals have experienced distributional shifts representing a progressive southern expansion [ 66 ]. Increases in precipitation due to climate change with the consequent increase of floods [ 65 ] may also favour the establishment of W .…”
Section: Discussionmentioning
confidence: 99%
“…Empirical evidence has demonstrated that geographic distributions of many species have shifted due to changing climatic conditions [ 61 64 ]. In Argentina, a mean temperature rise of 0.5°C was registered during the last 100 years [ 65 ] and more than 100 subtropical species of plants and animals have experienced distributional shifts representing a progressive southern expansion [ 66 ]. Increases in precipitation due to climate change with the consequent increase of floods [ 65 ] may also favour the establishment of W .…”
Section: Discussionmentioning
confidence: 99%
“…El desconocimiento de la presencia de estas especies en el Sistema serrano de Tandilia puede deberse a que existen escasas colecciones botánicas de esta región. El centro y sur bonaerense han sido consideradas áreas pobremente muestreadas, sin grandes colecciones biológicas en el pasado (Guerrero et Agnolin, 2016).…”
Section: Discussionunclassified
“…Tal vez las poblaciones actuales sean un relicto de la vegetación de períodos de mayores temperaturas como por ejemplo el Máximo Térmico del Holoceno (7500-4500 años AP), cuando elementos faunísticos subtropicales llegaron hasta Azul (Tonni, 2017). Pero también una alternativa posible es que estas poblaciones hayan avanzado hacia el sur debido a los incrementos en la precipitación y temperatura que ocurrieron durante el siglo pasado (Guerrero et Agnolin, 2016;Tonni, 2017). Los pelos largos en las espiguillas probablemente contribuyan a su dispersión por el viento.…”
Section: Discussionunclassified
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“…El aumento progresivo de las precipitaciones (Berbery et al, 2006) y la temperatura en la región (Barros et al, 2015) podrían estar provocando la expansión hacia el sur de numerosos animales y plantas del norte de Buenos Aires (Guerrero & Agnolin, 2016;Guerrero & Cellini, 2017). En el este y sur de la provincia algunos organismos han sufrido extensiones hacia el sur de su distribución geográfica que pueden estar relacionadas con el mismo fenómeno (e.g., Farina, 2006;Zamorano & Scillatto Yané, 2008;Doumecq-Milieu et al, 2012; Nuñez Bustos, 2016).…”
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