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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Juliane Röder, Tim Appelhans, Marcell K. Peters, Thomas Nauss, and Roland Brandl
Web Ecol., 24, 11–33, https://doi.org/10.5194/we-24-11-2024, https://doi.org/10.5194/we-24-11-2024, 2024
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We studied rates of litter decomposition in natural and disturbed vegetation on elevation gradients of Mount Kilimanjaro to disentangle effects of climate and disturbance. Decomposition was slower in disturbed than in natural forests, but we did not find a negative effect of disturbance for non-forest vegetation. Decomposition slowed down with increasing land-use intensity, but only in the warm wet season. Temperature and humidity were the most important drivers of decomposition in all analyses.
Paulina Grigusova, Annegret Larsen, Roland Brandl, Camilo del Río, Nina Farwig, Diana Kraus, Leandro Paulino, Patricio Pliscoff, and Jörg Bendix
Biogeosciences, 20, 3367–3394, https://doi.org/10.5194/bg-20-3367-2023, https://doi.org/10.5194/bg-20-3367-2023, 2023
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In our study, we included bioturbation into a soil erosion model and ran the model for several years under two conditions: with and without bioturbation. We validated the model using several sediment fences in the field. We estimated the modeled sediment redistribution and surface runoff and the impact of bioturbation on these along a climate gradient. Lastly, we identified environmental parameters determining the positive or negative impact of bioturbation on sediment redistribution.
Diana Kraus, Roland Brandl, Jörg Bendix, Paulina Grigusova, Sabrina Köhler, Annegret Larsen, Patricio Pliscoff, Kirstin Übernickel, and Nina Farwig
EGUsphere, https://doi.org/10.5194/egusphere-2022-1427, https://doi.org/10.5194/egusphere-2022-1427, 2023
Preprint archived
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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.
Paulina Grigusova, Annegret Larsen, Sebastian Achilles, Roland Brandl, Camilo del Río, Nina Farwig, Diana Kraus, Leandro Paulino, Patricio Pliscoff, Kirstin Übernickel, and Jörg Bendix
Earth Surf. Dynam., 10, 1273–1301, https://doi.org/10.5194/esurf-10-1273-2022, https://doi.org/10.5194/esurf-10-1273-2022, 2022
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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.
Daniel Acquah-Lamptey and Roland Brandl
Web Ecol., 18, 81–89, https://doi.org/10.5194/we-18-81-2018, https://doi.org/10.5194/we-18-81-2018, 2018
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In the absence of mosquitoes, diseases such as Malaria and Yellow fever will not exist. Although mosquito larvae have been identified to be a non-selective food to dragonfly larvae, it is unclear if the two naturally co-exist, hence reported as a non-viable strategy for controlling mosquito populations. However, a simple experiment in tropical Africa has shown a significant reduction in mosquitoes following colonization of mosquito larvae habitats by the dragonfly, Bradinopyga strachani.
Jutta Stadler, Stefan Klotz, Roland Brandl, and Sonja Knapp
Web Ecol., 17, 37–46, https://doi.org/10.5194/we-17-37-2017, https://doi.org/10.5194/we-17-37-2017, 2017
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During early succession plant communities show a decrease in the initial species richness and a change in the phylogenetic structure from random or clustered to overdispersion. We tested this general model in two regional distinct sites. In one region we found the expected trajectory of species richness while phylogenetic structure did not follow the expected trend. In the other region species richness did not follow the expected trajectory and phylogenetic structure remained clustered.
G. H. Kagezi, M. Kaib, P. Nyeko, C. Bakuneeta, M. Schädler, J. Stadler, and R. Brandl
Web Ecol., 16, 51–58, https://doi.org/10.5194/we-16-51-2016, https://doi.org/10.5194/we-16-51-2016, 2016
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Tropical forests are faced with a loss of forest cover with effects on ecosystem processes. We quantified decomposition within forest fragments and sites affected by increasing levels of agricultural land-use intensity. Mass loss increased with the area of forest fragments and decreased with land-use intensification. Fragmentation has negative effects on litter decomposition. However, the magnitude of this negative effect was not as large as expected.
H. Ruhnke, D. Matthies, and R. Brandl
Web Ecol., 13, 79–84, https://doi.org/10.5194/we-13-79-2013, https://doi.org/10.5194/we-13-79-2013, 2013
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Effects of management cessation on hoverflies (Diptera: Syrphidae) across Austrian and Swiss mountain meadows
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This study examines the risks of relying solely on images for biodiversity documentation. We conducted an experiment with 621 participants, revealing challenges in distinguishing artificial-intelligence-generated images. Trust is vital in biodiversity documentation, but eroded trust can hinder conservation. We call for improved communication, collaboration, and journal policies for data validation to preserve scientific credibility amidst technological advancements.
Angel Giménez-García, Alfonso Allen-Perkins, Ignasi Bartomeus, Stefano Balbi, Jessica L. Knapp, Violeta Hevia, Ben Alex Woodcock, Guy Smagghe, Marcos Miñarro, Maxime Eeraerts, Jonathan F. Colville, Juliana Hipólito, Pablo Cavigliasso, Guiomar Nates-Parra, José M. Herrera, Sarah Cusser, Benno I. Simmons, Volkmar Wolters, Shalene Jha, Breno M. Freitas, Finbarr G. Horgan, Derek R. Artz, C. Sheena Sidhu, Mark Otieno, Virginie Boreux, David J. Biddinger, Alexandra-Maria Klein, Neelendra K. Joshi, Rebecca I. A. Stewart, Matthias Albrecht, Charlie C. Nicholson, Alison D. O'Reilly, David William Crowder, Katherine L. W. Burns, Diego Nicolás Nabaes Jodar, Lucas Alejandro Garibaldi, Louis Sutter, Yoko L. Dupont, Bo Dalsgaard, Jeferson Gabriel da Encarnação Coutinho, Amparo Lázaro, Georg K. S. Andersson, Nigel E. Raine, Smitha Krishnan, Matteo Dainese, Wopke van der Werf, Henrik G. Smith, and Ainhoa Magrach
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Chun-Jing Wang, Ji-Zhong Wan, Hong Qu, and Zhi-Xiang Zhang
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K. Laze and A. Gordon
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V. G. Aschonitis, G. Castaldelli, and E. A. Fano
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V. Bonhomme, E. Forster, M. Wallace, E. Stillman, M. Charles, and G. Jones
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F. Bussotti and M. Pollastrini
Web Ecol., 15, 39–41, https://doi.org/10.5194/we-15-39-2015, https://doi.org/10.5194/we-15-39-2015, 2015
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The effects of tree diversity on the photosynthetic efficiency of tree species were assessed on six European mature forests (distributed along a latitudinal gradient) and in forest stands planted ad hoc with different levels of tree-species richness. The behaviour of Picea abies (spruce) was compared at the different sites. Site-specific responses were detected in relation to the age of the stands and their developmental stage.
M. Mikoláš, M. Svoboda, V. Pouska, R. C. Morrissey, D. C. Donato, W. S. Keeton, T. A. Nagel, V. D. Popescu, J. Müller, C. Bässler, J. Knorn, L. Rozylowicz, C. M. Enescu, V. Trotsiuk, P. Janda, H. Mrhalová, Z. Michalová, F. Krumm, and D. Kraus
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Clear-fellings to introduce heterogeneity can be an important component of a forest management plan. However, it is misleading to compare clear-fellings to protected areas dominated by old-growth forests using a simplistic measure of biodiversity and without a landscape perspective. To minimize the well-documented role of protected areas can have adverse effects on forested landscapes, primary forest remnants, and taxa that rely on forest structural elements characteristic of old-growth forests.
H.-R. Gregorius
Web Ecol., 14, 51–60, https://doi.org/10.5194/we-14-51-2014, https://doi.org/10.5194/we-14-51-2014, 2014
M. Meißner, M. Köhler, and D. Hölscher
Web Ecol., 13, 31–42, https://doi.org/10.5194/we-13-31-2013, https://doi.org/10.5194/we-13-31-2013, 2013
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