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| Indexado |
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| DOI | 10.5194/BG-18-5573-2021 | ||||
| Año | 2021 | ||||
| Tipo | revisión |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Although the burrowing activity of some species (e.g., gophers) is well studied, a comprehensive inventory of burrowing animals in adjacent biomes is not yet known, despite the potential importance of burrowing activity on the physical and chemical evolution of Earth's surface. In this study, we review the available information with a focus on the following: (a) an inventory of burrowing vertebrates and invertebrates along the climate and ecological gradient in Chile; (b) the dimensions and characteristics of burrows; and (c) calculation of excavation rates by local species compositions. Methods used include a literature compilation (>g1000 studies) of Chilean burrowing animal species integrated with global, species-specific excavation rates. A field study augments literature findings with quantification of the zoogeomorphic effects on hillslope mass transport at the animal community level and along the arid to humid-temperate climate gradient within the Chilean Coastal Cordillera (27-38g gS latitude). The literature review indicates a minimum of 45 vertebrate and 345 invertebrate burrowing species distributed across Chile in different biomes. Burrowing depths for Chilean mammals range between 3gm (e.g., for skunks, Conepatus) and 0.25gm (for rock rats, Aconaemys). For invertebrates, burrowing depths in Chile range between 1gm for scorpions to 0.3gm for spiders. In comparison, globally documented maximum burrow depths reach up to more than 6gm for vertebrates (gopher tortoises and aardvarks) and 4gm for invertebrates (ants). Minimum excavation rates of local animal communities observed from field sites in Chile are 0.34gm3gha-1gyr-1 for the arid site, 0.56gm3gha-1gyr-1 for the semiarid site, 0.93gm3gha-1gyr-1 for the mediterranean site and 0.09gm3gha-1gyr-1 for the humid-temperate site, with the latter likely an underestimation. The calculated minimum Chilean excavation rates are within the large range of globally observed single species rates ranging between 0.01 and 56.20gm3gha-1gyr-1 for vertebrates and from 0.01 to 37.31gm3gha-1gyr-1 for invertebrates. Taken together, results not only highlight the diverse and latitudinally varying number of burrowing vertebrates and invertebrates present in different biomes, but also foster the understanding of how burrowing activity changes over a gradient and is influenced by mean annual temperature, mean annual precipitation, slope aspect and latitudinal-related incoming solar energy.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Ubernickel, Kirstin | Mujer |
Eberhard Karls Universität Tübingen - Alemania
UNIV TUBINGEN - Alemania |
| 2 | PIZARRO-ARAYA, JAIME | Hombre |
Universidad de la Serena - Chile
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| 3 | Bhagavathula, Susila | - |
Eberhard Karls Universität Tübingen - Alemania
UNIV TUBINGEN - Alemania |
| 4 | Paulino, L. | Hombre |
Universidad de Concepción - Chile
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| 5 | Ehlers, Todd A. | Hombre |
Eberhard Karls Universität Tübingen - Alemania
UNIV TUBINGEN - Alemania |
| Fuente |
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| University of La Serena, La Serena, Chile |
| University of La Serena |
| ASCRS Research Foundation |
| EarthShape: Earth Surface Shaping by Biota |
| German Research Foundation (DFG) priority research program |
| Agradecimiento |
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| Financial support. This research has been supported by the Ger- |
| This research has been supported by the German Research Foundation (DFG) priority research program SPP-1803 "EarthShape: Earth Surface Shaping by Biota", grant nos. DFG EH329/17-1 and DFG EH329/17-2 to Todd A. Ehlers. Jaime Pizarro-Araya has been supported by the University of La Serena, La Serena, Chile, grant no. DIDULS PR2121210. |