Articles | Volume 18, issue 20
https://doi.org/10.5194/bg-18-5573-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-18-5573-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Reviews and syntheses
| 
18 Oct 2021
Reviews and syntheses |
| 18 Oct 2021
| 18 Oct 2021
Reviews and syntheses: Composition and characteristics of burrowing animals along a climate and ecological gradient, Chile
Kirstin Übernickel
CORRESPONDING AUTHOR
Department of Geosciences, University of Tübingen, 72076
Tübingen, Germany
Jaime Pizarro-Araya
Laboratorio de Entomología Ecológica, Departamento de
Biología, Facultad de Ciencias, Universidad de La Serena, La Serena,
Chile
Susila Bhagavathula
Department of Geosciences, University of Tübingen, 72076
Tübingen, Germany
Leandro Paulino
Departamento de Suelos y Recursos Naturales, Facultad de
Agronomía, Universidad de Concepción, Chillán, Chile
Todd A. Ehlers
Department of Geosciences, University of Tübingen, 72076
Tübingen, Germany
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Andrea Madella, Christoph Glotzbach, and Todd A. Ehlers
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Mirjam Schaller and Todd A. Ehlers
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Soil production, chemical weathering, and physical erosion rates from the large climate and vegetation gradient of the Chilean Coastal Cordillera (26 to 38° S) are investigated. Rates are generally lowest in the sparsely vegetated and arid north, increase southward toward the Mediterranean climate, and then decrease slightly, or possible stay the same, further south in the temperate humid zone. This trend is compared with global data from similar soil-mantled hillslopes in granitic lithologies.
Emilija Krsnik, Katharina Methner, Marion Campani, Svetlana Botsyun, Sebastian G. Mutz, Todd A. Ehlers, Oliver Kempf, Jens Fiebig, Fritz Schlunegger, and Andreas Mulch
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Here we present new surface elevation constraints for the middle Miocene Central Alps based on stable and clumped isotope geochemical analyses. Our reconstructed paleoelevation estimate is supported by isotope-enabled paleoclimate simulations and indicates that the Miocene Central Alps were characterized by a heterogeneous and spatially transient topography with high elevations locally exceeding 4000 m.
Sean D. Willett, Frédéric Herman, Matthew Fox, Nadja Stalder, Todd A. Ehlers, Ruohong Jiao, and Rong Yang
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The cooling climate of the last few million years leading into the ice ages has been linked to increasing erosion rates by glaciers. One of the ways to measure this is through mineral cooling ages. In this paper, we investigate potential bias in these data and the methods used to analyse them. We find that the data are not themselves biased but that appropriate methods must be used. Past studies have used appropriate methods and are sound in methodology.
Hemanti Sharma, Todd A. Ehlers, Christoph Glotzbach, Manuel Schmid, and Katja Tielbörger
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We study effects of variable climate–vegetation with different uplift rates on erosion–sedimentation using a landscape evolution modeling approach. Results suggest that regardless of uplift rates, transients in precipitation–vegetation lead to transients in erosion rates in the same direction of change. Vegetation-dependent erosion and sedimentation are influenced by Milankovitch timescale changes in climate, but these transients are superimposed upon tectonically driven uplift rates.
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Short summary
Animal burrowing is important because it impacts the physical and chemical evolution of Earth’s surface. However, most studies are species specific, and compilations of animal community effects are missing. We present an inventory of the currently known 390 burrowing species for all of Chile along its climate gradient. We observed increasing amounts of excavated material from an area with dry conditions along a gradient towards more humid conditions.
Animal burrowing is important because it impacts the physical and chemical evolution of...
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