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Influence of biotic and abiotic factors on the structure of burrows of the cavy Microcavia australis Mastozool. neotrop.
Taraborelli,Paula; Borruel,Natalia; Sandobal,Ana J.; Giannoni,Stella.
Burrows provide a stable microclimate and give small mammals protection from extreme temperatures and from predators on the ground surface. The objective was to determine the influence of biotic and abiotic factors on the structure of burrows used by the cavy Microcavia australis. The study was conducted on two sites with different climate conditions, predation risk and size of plant patches. A total of 18 main burrows and 13satellite burrows were characterized at Ñacuñán, and 12 main and 3 satellite burrows at El Leoncito. The larger number of holes and higher development of main and satelliteburrows at Ñacuñán is likely related to higher risk of raptor predation. At both sites burrows would function as shelter from the environment since temperature in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Biotic and abiotic factors; Burrow structure; Microcavia australis; Monte desert.
Ano: 2009 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-93832009000200013
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