Composición y preferencia de materiales en nidos de vertebrados nidificadores de cavidades en el bosque templado andino de Chile

Honorato, María Teresa; Altamirano, Tomás A.; Ibarra, José Tomás; Maza, Mariano de la; Bonacic, Cristián; Martin, Kathy

doi:10.4067/s0717-92002016000300005

Cited by 16 publications

(17 citation statements)

References 13 publications

(26 reference statements)

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“…; Honorato et al . ). The nest boxes were made using the same wood type and thickness, with consistent inner dimensions (length = 16.5 cm, width = 13.2 cm, depth from entrance to base = 17.1 cm), and an entrance‐hole diameter of 3.1 cm.…”

Section: Methodsmentioning

confidence: 97%

“…We dissected each nest on a grid which allowed us to estimate the relative proportion of the nest volume for each nesting material (±5%; Honorato et al . ). This estimation was conducted by M.T.…”

Section: Methodsmentioning

confidence: 97%

“…spinicauda (Lombardo ; Honorato et al . ) and D. gliroides :

<! [C D A T A false[nest {volume}_{A . s p i n i c a u d a} ({cm}^{3}) = ()(, N_{l} N_{w} N_{h}) - cup volume false]] >

<! [C D A T A false[nest {volume}_{D . g l i r o i d e s} ({cm}^{3}) = ()(, N_{l} N_{w} N_{h}) false]] >

…”

Section: Methodsmentioning

confidence: 99%

“…; Honorato et al . ). Also, nest materials can have different insulation capacities depending on the prevailing environmental conditions (Schöll & Hille ).…”

Section: Introductionmentioning

confidence: 97%

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Elevation has contrasting effects on avian and mammalian nest traits in the Andean temperate mountains

et al. 2019

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Nest building is a widespread breeding strategy across taxa. Nest composition and structure can play a critical role in the breeding success and/or adult survival of nest-building vertebrates. Although nest traits are expected to vary adaptively across elevational gradients, few studies address this relationship. We studied the variation in nest traits (composition and structure) across elevation for two taxa with two different functions in the Andean temperate forests of southern Chile: a bird (Aphrastura spinicauda, Furnariidae, 170 breeding nests) and a marsupial mammal (Dromiciops gliroides, Microbiotheriidae, 91 winter torpor nests). For A. spinicauda, we further assessed how nest traits influenced clutch size and hatching success. Both species used fewer types of nest materials (items) with increasing elevation, and a greater proportion of leaves were used in highland compared to lowland forests. Aphrastura spinicauda used feathers and hair, and D. gliroides used bryophytes more frequently in lowland forests. The mass and volume of nests decreased with increasing elevation for A. spinicauda and increased for D. gliroides. Nest traits had subsequent fitness consequences for A. spinicauda, such that: (i) greater cup volume and depth were associated with larger clutch sizes, (ii) more items used during nest building were linked to improved clutch size at high elevation only, and (iii) nest wall thickness was negatively associated with hatching success. Thus, in temperate mountain ecosystems, elevation may be an important factor influencing nest-building behaviour for cavity-using vertebrates. However, the direction of the elevational effects may vary among taxa and nest functions in these ecosystems.Abstract in Spanish is available with online material.

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Section: Methodsmentioning

confidence: 97%

Section: Methodsmentioning

confidence: 97%

“…spinicauda (Lombardo ; Honorato et al . ) and D. gliroides :

<! [C D A T A false[nest {volume}_{A . s p i n i c a u d a} ({cm}^{3}) = ()(, N_{l} N_{w} N_{h}) - cup volume false]] >

<! [C D A T A false[nest {volume}_{D . g l i r o i d e s} ({cm}^{3}) = ()(, N_{l} N_{w} N_{h}) false]] >

…”

Section: Methodsmentioning

confidence: 99%

“…; Honorato et al . ). Also, nest materials can have different insulation capacities depending on the prevailing environmental conditions (Schöll & Hille ).…”

Section: Introductionmentioning

confidence: 97%

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Elevation has contrasting effects on avian and mammalian nest traits in the Andean temperate mountains

et al. 2019

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“…Son importantes reguladores del ciclo del agua en bosques y turberas (Rieley et al, 1979;van Breemen, 1995;van Seters & Price, 2001) y protegen los suelos de la erosión causada por viento, agua y temperaturas extremas (Ross et al, 1984). Los briófitos proveen hogar y protección a un sinnúmero de pequeños invertebrados como insectos, arácnidos, rotíferos, nemátodos, tardígrados, moluscos y anélidos (Gerson, 1982;Suren, 1993), y son utilizados por aves y pequeños mamíferos como material de nidificación (Calvelo et al, 2006;Torres-Dowdall et al, 2007;Honorato et al, 2013).…”

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Los briófitos de la Estancia Cerro Paine, Parque Nacional Torres del Paine, Magallanes, Chile.

Larraín¹,

Bahamonde²

2017

Bol. Soc. Argent. Bot.

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Summary:The bryophytes of Estancia Cerro Paine, Torres del Paine National Park, Magallanes, Chile. We present a checklist of non-vascular plants for Estancia Cerro Paine, a private land located in the heart of Torres del Paine National Park. The list includes two hornworts, 29 liverworts and 93 moss species, making a total of 124 bryophyte species. We report 32 new bryophyte records for Última Esperanza Province, 11 for Magallanes Region, and three new records for Chile (Bryum apiculatum, Tortella fragilis and Valdonia microcarpa). The known distribution limits of six taxa are extended to the north, whereas for seven taxa the distribution limits are extended to the south. This is the first bryophyte species list made within the limits of Torres del Paine National Park.Key words: Bryophyta, Marchantiophyta, Anthocerotophyta, sub-Antarctic forests, Biosphere Reserve.Resumen: Se presenta una lista de plantas no vasculares para la Estancia Cerro Paine, predio particular ubicado en el centro del Parque Nacional Torres del Paine. La lista incluye dos antocerotes, 29 hepáticas y 93 especies de musgos, totalizando 124 especies de briófitos. Se reportan 32 nuevos registros para la provincia de Última Esperanza, 11 para la Región de Magallanes y tres nuevos registros para Chile (Bryum apiculatum, Tortella fragilis y Valdonia microcarpa). Se extienden hacia el norte los límites de distribución de seis taxones, mientras que los de siete se extienden hacia el sur. Este es el primer listado de briófitos realizado dentro de los límites del Parque Nacional Torres del Paine.Palabras clave: Bryophyta, Marchantiophyta, Anthocerotophyta, bosques subantárticos, Reserva de la Biósfera.

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The ecology and evolution of the monito del monte, a relict species from the southern South America temperate forests

Fontúrbel

Pérez

Bozinovic

et al. 2022

Ecology and Evolution

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The arboreal marsupial monito del monte (genus Dromiciops , with two recognized species) is a paradigmatic mammal. It is the sole living representative of the order Microbiotheria, the ancestor lineage of Australian marsupials. Also, this marsupial is the unique frugivorous mammal in the temperate rainforest, being the main seed disperser of several endemic plants of this ecosystem, thus acting as keystone species. Dromiciops is also one of the few hibernating mammals in South America, spending half of the year in a physiological dormancy where metabolism is reduced to 10% of normal levels. This capacity to reduce energy expenditure in winter contrasts with the enormous energy turnover rate they experience in spring and summer. The unique life history strategies of this living Microbiotheria, characterized by an alternation of life in the slow and fast lanes, putatively represent ancestral traits that permitted these cold‐adapted mammals to survive in this environment. Here, we describe the ecological role of this emblematic marsupial, summarizing the ecophysiology of hibernation and sociality, updated phylogeographic relationships, reproductive cycle, trophic relationships, mutualisms, conservation, and threats. This marsupial shows high densities, despite presenting slow reproductive rates, a paradox explained by the unique characteristics of its three‐dimensional habitat. We finally suggest immediate actions to protect these species that may be threatened in the near future due to habitat destruction and climate change.

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Composición y preferencia de materiales en nidos de vertebrados nidificadores de cavidades en el bosque templado andino de Chile

Cited by 16 publications

References 13 publications

Elevation has contrasting effects on avian and mammalian nest traits in the Andean temperate mountains

Elevation has contrasting effects on avian and mammalian nest traits in the Andean temperate mountains

Los briófitos de la Estancia Cerro Paine, Parque Nacional Torres del Paine, Magallanes, Chile.

The ecology and evolution of the monito del monte, a relict species from the southern South America temperate forests

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