Articles | Volume 17, issue 2
https://doi.org/10.5194/we-17-29-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/we-17-29-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Genetic diversity in the Alpine flatworm Crenobia alpina
Martin Brändle
CORRESPONDING AUTHOR
Department of Ecology – Animal Ecology, Faculty of Biology,
Philipps-Universität Marburg, Karl-von-Frisch Strasse 8, 35032
Marburg, Germany
Jan Sauer
Department of Ecology – Animal Ecology, Faculty of Biology,
Philipps-Universität Marburg, Karl-von-Frisch Strasse 8, 35032
Marburg, Germany
Lars Opgenoorth
Department of Ecology – Animal Ecology, Faculty of Biology,
Philipps-Universität Marburg, Karl-von-Frisch Strasse 8, 35032
Marburg, Germany
Roland Brandl
Department of Ecology – Animal Ecology, Faculty of Biology,
Philipps-Universität Marburg, Karl-von-Frisch Strasse 8, 35032
Marburg, Germany
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We investigate the effect of bioturbators on near-surface soil by measuring the physical properties clay, silt and sand and the chemical macronutrients C, N and P for soil samples taken from mounds created via bioturbation and soil samples from surrounding soil as controls in three different climatic regions (arid, semi-arid and Mediterranean) in coastal Chile. Our findings show that already minor input of especially C and N by bioturbators in arid climates can impact ecosystem functioning.
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In our study, we developed, tested, and applied a cost-effective time-of-flight camera to autonomously monitor rainfall-driven and animal-driven sediment redistribution in areas affected by burrowing animals with high temporal (four times a day) and spatial (6 mm) resolution. We estimated the sediment redistribution rates on a burrow scale and then upscaled the redistribution rates to entire hillslopes. Our findings can be implemented into long-term soil erosion models.
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