Presence of Dromiciops gliroides (Microbiotheria: Microbiotheriidae) in the deciduous forests of central Chile

Lobos, Gabriel; Charrier, A.M.; Carrasco, Gonzalo; Palma, R. Eduardo

doi:10.1016/j.mambio.2005.06.002

Cited by 26 publications

(18 citation statements)

References 7 publications

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“…These observations were conducted in pine stands with dense (>20%) understory. Our observations also expanded the known distribution of the species 35 Km to the North (previous limit was Los Ruiles National Reserve 35°50'S 72°30'W [17]). The latter agrees with the predictions by Martin [20] whose models give a 1-10% probability of presence of monito del monte between 34-36°S in the Coastal Range of Central Chile.…”

Section: Discussionsupporting

confidence: 65%

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Persistence of Dromiciops gliroides in landscapes dominated by Pinus radiata plantations

Uribe

Chiappe

Estades

2017

Rev. Chil. de Hist. Nat.

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Background: Monitos del monte (Dromiciops gliroides) are old-growth forest specialists and, thus, believed to be very sensitive to habitat transformation, although some recent studies show some level of plasticity of their habitat selection patterns. Findings: In this note we report on records of D. gliroides living in a very modified environment, composed mostly by industrial pine plantations and small fragments of Nothofagus spp. forests and we report the extension of the northernmost limit of its currently known distribution. Conclusions: Although highly reliant on native vegetation, Dromiciops gliroides has been able to persist in industrial forest landscapes dominated by pine plantations.

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Section: Discussionsupporting

confidence: 65%

“…In contrast, the information available for D. gliroides living in deciduous forests is very scant and anecdotal (e.g. [16,17]). In this note we report on observations of some of the northernmost populations of D. gliroides, living in landscapes dominated by pine plantations.…”

Section: Introductionmentioning

confidence: 99%

Persistence of Dromiciops gliroides in landscapes dominated by Pinus radiata plantations

Uribe

Chiappe

Estades

2017

Rev. Chil. de Hist. Nat.

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“…Su singularidad radica en que es considerado un "fósil viviente" por ser el único representante vivo del Orden Microbiotheria, una línea filogenéticamente primitiva de los marsupiales (Palma & Spotorno 1999). Su distribución está restringida a los bosques templados de Chile y Argentina (Lobos et al 2005), desde el bosque Maulino (35° S) hasta Chiloé continental, incluyendo la isla de Chiloé (43° S). Actualmente, D. gliroides es una especie potencialmente amenazada de acuerdo a UICN debido a la pérdida de su hábitat.…”

Section: Demografía Y Conservación Del Monito Del Monte (Dromiciops Gunclassified

Estación Biológica Senda Darwin: Investigación ecológica de largo plazo en la interfase ciencia-sociedad

Carmona

Aravena

Bustamante‐Sánchez

et al. 2010

Rev. chil. hist. nat.

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RESUMENLa Estación Biológica Senda Darwin (EBSD) constituye un centro de investigación inmerso en el paisaje rural del norte de la Isla de Chiloé (42º S), donde fragmentos del bosque siempreverde original coexisten con praderas de uso ganadero, turberas de Sphagnum, matorrales sucesionales, plantaciones de Eucalyptus y otras formaciones de origen antropogénico. Desde 1994 hemos realizado estudios de largo plazo centrados en algunas especies de plantas (e.g., Pilgerodendron uviferum D. Don) y animales (e.g., Aphrastura spinicauda Gmelin, Dromiciops gliroides [Thomas]) catalogados como amenazados o escasamente conocidos y en ecosistemas nativos de importancia regional y global (e.g., turberas de Sphagnum, bosque Valdiviano y Nordpatagónico). Las investigaciones han considerado las respuestas de las especies y de los ecosistemas frente al cambio antropogénico del paisaje y cambio climático, así como los efectos de diferentes formas de manejo. Este escenario es semejante al de otras regiones de Chile y Latinoamérica lo que da generalidad a nuestros resultados y modelos. En este período, investigadores asociados a la EBSD han producido más de un centenar de publicaciones en revistas nacionales e internacionales y 30 tesis de pre y postgrado. Entendiendo el papel clave de los seres humanos en los procesos ecológicos de la zona rural, la EBSD ha desarrollado un programa de educación ecológica y vinculación del avance científico con la sociedad local y nacional. La integración de la EBSD a la naciente red de Sitios de Estudios Socio-Ecológicos de Largo Plazo en Chile consolidará y fortalecerá la investigación básica y aplicada que realizamos para proyectarla hacia la siguiente década. and animals (e.g., Aphrastura spinicauda, Dromiciops glirioides) that are considered threatened, poorly known or important for their ecological functions in local ecosystems, and on ecosystems of regional and global relevance (e.g., Sphagnum bogs, North Patagonian and Valdivian rain forests). Research has assessed the responses of species and ecosystems to anthropogenic land-use change, climate change, and the impact of management. During this period, more than 100 scientific publications in national and international journals, and 30 theses (graduate and undergraduate) have been produced by scientists and students associated with SDBS. Because of our understanding of the key role that humans play in ecological processes at this agricultural frontier, since the establishment of SDBS we have been committed to creative research on the communication of science to society and ecological education. The integration of SDBS to the nascent Chilean network of long-term socio-ecological research will consolidate and strengthen basic and applied research to project our work into the next decade.Key words: biodiversity, education, long-term socio-ecological research, private protected area, temperate rainforests. INTRODUCCIÓNLos bosques templados del sur de Sudamérica, distribuidos entre los 35° y 55º S en el margen occidental del continente, se carac...

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“…A handful of studies have been conducted on this 'living fossil' (Amico and Aizen, 2000;Asher et al, 2004;Bozinovic et al, 2004;Brugni and Flores, 2007;Guglielmone et al, 2004;Kirsch et al, 1991;Lobos et al, 2005;Marin-Vial et al, 2007;Navone and Suriano, 1992;Palma and Spotorno, 1999;Pridmore, 1994;Saavedra and Simonetti, 2001;Silva, 2005;Westerman and Edwards, 1991), which, in addition to its phylogenetic relationships, describe a few basic aspects of its biology. In fact, the sole study that addressed a physiological feature of D. gliroides described it as a hibernator and reported that its basal metabolic rate was below the expected value for marsupials .…”

Section: Introductionmentioning

confidence: 99%

Bioenergetics and inter-individual variation in physiological capacities in a relict mammal – the Monito del Monte (Dromiciops gliroides)

Cortés

Pérez

Nespolo

2009

Journal of Experimental Biology

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SUMMARYIn evolutionary physiology, studies of inter-individual variation (i.e. repeatability) in functional capacities are valuable as they indicate -within populations -what attributes could respond to natural selection. Although repeatability and quantitative genetics of physiological traits in energy metabolism of eutherian mammals have been well characterized, few or no studies have been performed on marsupials. We studied the repeatability (i.e. intraclass correlation coefficient, τ) of bioenergetics for Monito del Monte (Dromiciops gliroides), the sole living representative of an otherwise extinct marsupial order (Microbiotheria). We measured resting metabolic rate as CO 2 production (V CO2 ) and O 2 consumption (V O2 ) simultaneously, together with minimum thermal conductance (C), evaporative water loss (EWL) and respiratory quotient (RQ), in a sample of ca. 20 individuals. Our results suggest that D. gliroides exhibits poor control of body temperature (T b ), with a thermal amplitude of ca. 10°C in normothermia. As a consequence, repeatability of T b and metabolic rate (either as V CO2 or V O2 ) were relatively low (τ Tb =0.25±0.04, τ VCO2 =0.14±0.03, τ VO2 =0.24±0.02, jackknife estimations of standard errors). Thermal conductance exhibited near-zero or negative repeatability and was lower than expected for marsupials. However, we found significant repeatability for RQ and EWL (τ=0.32±0.03 and 0.49±0.09, respectively). In general, these results suggest that Monito del Monte exhibits some ʻreptilianʼ physiological characteristics. The relatively low repeatability of physiological variables, which otherwise exhibit large inter-individual and genetic variance in eutherian mammals, suggests that these capacities do not exhibit evolutionary potential in the ancient order Microbiotheria.

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Presence of Dromiciops gliroides (Microbiotheria: Microbiotheriidae) in the deciduous forests of central Chile

Cited by 26 publications

References 7 publications

Persistence of Dromiciops gliroides in landscapes dominated by Pinus radiata plantations

Persistence of Dromiciops gliroides in landscapes dominated by Pinus radiata plantations

Estación Biológica Senda Darwin: Investigación ecológica de largo plazo en la interfase ciencia-sociedad

Bioenergetics and inter-individual variation in physiological capacities in a relict mammal – the Monito del Monte (Dromiciops gliroides)

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