Artículos (Villarrica)
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Browsing Artículos (Villarrica) by browse.metadata.categoria "Biología"
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- ItemActivity patterns by two colour morphs of the vulnerable guina, Leopardus guigna (Molina 1782), in temperate forests of southern Chile(2015) Hernandez, F.; Gálvez Robinson, Nicolás Cristián; Gimona, A.; Laker, J.; Bonacic Salas, Cristián
- ItemBeyond species richness : an empirical test of top predators as surrogates for functional diversity and endemism(2015) Ibarra Eliessetch, José Tomás; Martin, Kathy
- ItemBreeding strategies of open-cup-nesting birds in sub-Antarctic forests of Navarino Island, Chile(2019) Altamirano Oyarzún, Tomás Alberto; Ibarra Eliessetch, José Tomás; Jara, Rocío Fernanda; Crego, Ramiro Daniel; Arellano, Francisco Javier; Rozzi, Ricardo; Jiménez, Jaime EnriqueAbstract Background There is limited knowledge about the breeding strategies of birds inhabiting in South American temperate forests. This is particularly true for open-cup forest passerines breeding at high latitudes (> 42°). To better understand the ecology of these species, in this study we described and compared the breeding strategies (i.e., nest dimensions, nest height from the ground, egg laying rhythm, clutch size, length of the developmental periods, breeding phenology, and diversity of nesting substrate) of five passerine birds that inhabit sub-Antarctic ecosystems. Methods During three breeding seasons (2014–2017), we monitored 103 nests of the five most abundant open-cup forest-dwelling passerines (Phrygilus patagonicus, Anairetes parulus, Turdus falcklandii, Elaenia albiceps, and Zonotrichia capensis) on Navarino Island (55°S), Cape Horn Biosphere Reserve, southern Chile. Additionally, we compared the breeding strategies of T. falcklandii to another population breeding at lower latitude (39°S). Results Most of the species started laying eggs the last week of September; only E. albiceps started 2 months later. During the breeding season of 2016–2017 both E. albiceps and Z. capensis started laying eggs earlier than the previous year. Anairetes parulus and Z. capensis were the most specialized in terms of nesting substrate. Turdus falcklandii had larger clutch sizes and nested closer to the ground on Navarino Island compared to the northern population, which might put this and other ground nesting species of this island at a higher risk of predation by the recently introduced American mink (Neovison vison). Conclusions Our five study species breed exclusively in open-cups (not in cavities) in sub-Antarctic forests, and some of them built their nests closer to the ground compared to populations breeding at lower latitudes. This may be associated with the lack of terrestrial predators on Navarino Island. Our study opens further questions about the mechanisms driving differences in breeding strategies among populations.
- ItemComposición y preferencia de materiales en nidos de vertebrados nidificadores de cavidades en el bosque templado andino de Chile(2016) Honorato, M. T.; Altamirano Oyarzún, Tomás Alberto; Ibarra Eliessetch, José Tomás; De La Maza, M.; Bonacic Salas, Cristián; Martin, K.
- ItemConsumo de queltehue (Vanellus chilensis) por tucúquere (Bubo magellanicus) en el bosque templado andino de La Araucanía : ¿depredación o carroñeo?(2016) Novoa, F.; Altamirano Oyarzún, Tomás Alberto; Ibarra Eliessetch, José Tomás
- ItemHistoria natural y autoecología del chuncho (glaucidium nana) en el bosque templado andino de la Araucanía, sur de Chile(2015) Ibarra Eliessetch, José Tomás; Altamirano Oyarzún, Tomás Alberto; Vergara, G.; Vermehren, A.; Vargas, F.H.; Martin, K.
- ItemHow Can We Teach Our Children if We Cannot Access the Forest? Generational Change in Mapuche Knowledge of Wild Edible Plants in Andean Temperate Ecosystems of Chile(2016) Barreau, A.; Ibarra Eliessetch, José Tomás; Wyndham, F.; Rojas, A.; Kozak, R.
- ItemInfluence of Anthropogenic Disturbances on Stand Structural Complexity in Andean Temperate Forests: Implications for Managing Key Habitat for Biodiversity(2017) Caviedes, J.; Ibarra Eliessetch, José Tomás
- ItemMaintaining ecosystem resilience: functional responses of tree cavity nesters to logging in temperate forests of the Americas(2017) Ibarra Eliessetch, José Tomás; Martin, Michaela; Cockle, Kristina L.; Martin, Kathy
- ItemObservations of a Tree-cavity Nest of the Rufous-legged Owl and Predation of an Owl Nestling by a Chimango Caracara in Andean Temperate Forests(2017) Ibarra Eliessetch, José Tomás; Altamirano Oyarzún, Tomás Alberto; Vermehren, A; Vargas, F; Martin, K
- ItemPuma Puma concolor density estimation in the Mediterranean Andes of Chile(2016) Guarda, Nicolás; Gálvez Robinson, Nicolás Cristián; Leichtle, Jorge; Osorio, Christian; Bonacic Salas, Cristián
- ItemReproductive life-history variation in a secondary cavity-nester across an elevational gradient in Andean temperate ecosystems(2015) Altamirano Oyarzún, Tomás Alberto; Ibarra Eliessetch, José Tomás; Maza Musalem, Mariano Andrés de la; Navarrete C., Sergio; Bonacic Salas, Cristián
- ItemResponse of a small felid of conservation concern to habitat fragmentation(2016) Fleschutz, Mira M.; Gálvez Robinson, Nicolás Cristián; Pe'er, Guy; Davies, Zoe G.; Henle, Klaus; Schüttler, Elke
- ItemRoosting records in tree cavities by a forest-dwelling bat species (Histiotus magellanicus) in Andean temperate ecosystems of southern Chile. Registro de utilización de cavidades de árboles como refugios por un murciélago de bosque (Histiotus magellanicus) en ecosistemas templados andinos del sur de Chile.(2017) Altamirano Oyarzún, Tomás Alberto; Ibarra Eliessetch, José Tomás; Novoa, Fernando; Vermehren, Alejandra; Martin, Kathy; Bonacic Salas, Cristián
- ItemSeasonal dynamics of avian guilds inside and outside core protected areas in an Andean Biosphere Reserve of southern Chile(2017) Ibarra Eliessetch, José Tomás; Gálvez Robinson, Nicolás Cristián; Altamirano Oyarzún, Tomás Alberto; Caviedes, Julián; Rojas, Isabel M.; Bonacic Salas, Cristián; Martin, Kathy
- ItemThe conservation value of tree decay processes as a key driver structuring cavity nest webs in South American temperate rainforests(2017) Altamirano Oyarzún, Tomás Alberto; Ibarra Eliessetch, José Tomás; Martin, Kathy; Bonacic Salas, Cristián
- ItemTowards an Ecology of Design Praxis(2015) Salazar Preece, Gonzalo; Baxter, Seaton