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The ecological value of long-term studies of birds and mammals in Central America, South America and Antarctica RChHN
Taig-Johnston,Megan; Strom,Madeline K.; Calhoun,Kendall; Nowak,Kendra; Ebensperger,Luis A.; Hayes,Loren.
Abstract This review covers long-term ecological studies in Central America, South America, and Antarctica that include at least 10 years of data on both terrestrial and marine mammals as well as birds. Specifically, we compiled long-term research on social systems, population ecology, and community ecology. Long-term research is necessary to understand decadal trends and dynamics that would otherwise go unnoticed in short-term studies. This review highlights the impact of ecological conditions as well as territoriality and conflict on social organization and structure, the role that environmental perturbations and climate change have on populations, and how interaction between biotic and abiotic factors influence entire ecological communities. It...
Tipo: Journal article Palavras-chave: Long-term studies; Social systems; Population ecology studies; Community ecology studies; ENSO; Small mammals.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2017000100501
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Male degus, Octodon degus, modify their dustbathing behavior in response to social familiarity of previous dustbathing marks RChHN
Ebensperger,Luis A.; Caiozzi,Andrea.
A previous experiment suggested that male degus, Octodon degus, use dustbathing during intrasexual communication. Herein, we assessed whether dustbathing by male and female degus is influenced by the social familiarity of previous marks. During 15-min tests, we contrasted the behavior of degus individually exposed during to an arena containing loose, previously dustbathed sand by a same-sex and socially familiar individual with that of degus exposed to an arena with soil previously dustbathed by a same-sex but socially unfamiliar conspecific. We measured the number of dusbathing eventts per min, the latency of first dusbathing event, and the location of dusbathing events by depositor and responser individuals. Both male and female degus dusbathe at a...
Tipo: Journal article Palavras-chave: Social familiarity; Sandbathing; Scent-marking; Social communication.
Ano: 2002 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2002000100015
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