Search results for: C. Voigt

Items from 1 to 20 out of 191 results

article

Low foraging rates drive large insectivorous bats away from urban areas

Laura Stidsholt, Carolin Scholz, Uwe Hermanns, Tobias Teige, more

Global Change Biology > 30 > 1 > n/a - n/a

Urbanization has significant impacts on wildlife and ecosystems and acts as an environmental filter excluding certain species from local ecological communities. Specifically, it may be challenging for some animals to find enough food in urban environments to achieve a positive energy balance. Because urban environments favor small‐sized bats with low energy requirements, we hypothesized that common...

article

Increasing species richness along elevational gradients is associated with niche packing in bat assemblages

Rohit Chakravarty, Viktoriia Radchuk, Shreyas Managave, Christian C. Voigt

Journal of Animal Ecology > 92 > 4 > 863 - 874

The change in species richness along elevational gradients is a well‐known pattern in nature. Niche theory predicts that increasing species richness in assemblages can either lead to denser packing of niche space (‘niche packing’) or an expansion into its novel regions (‘niche expansion’). Traditionally, these scenarios have been studied using functional traits but stable isotopes provide advantages...

article

Activity of forest specialist bats decreases towards wind turbines at forest sites

Julia S. Ellerbrok, Anna Delius, Franziska Peter, Nina Farwig, more

Journal of Applied Ecology > 59 > 10 > 2497 - 2506

Worldwide, wind turbines are increasingly being built at forest sites to meet the goals of national climate strategies. Yet, the impact on biodiversity is barely understood. Bats may be heavily affected by wind turbines in forests, because many species depend on forest ecosystems for roosting and hunting and can experience high fatality rates at wind turbines. We performed acoustic surveys in...

article

Urban affinity and its associated traits: A global analysis of bats

Janis M. Wolf, Jonathan M. Jeschke, Christian C. Voigt, Yuval Itescu

Global Change Biology > 28 > 19 > 5667 - 5682

Urbanization is a major contributor to the loss of biodiversity. Its rapid progress is mostly at the expense of natural ecosystems and the species inhabiting them. While some species can adjust quickly and thrive in cities, many others cannot. To support biodiversity conservation and guide management decisions in urban areas, it is important to find robust methods to estimate the urban affinity of...

article

Limitations of acoustic monitoring at wind turbines to evaluate fatality risk of bats

Christian C. Voigt, Danilo Russo, Volker Runkel, Holger R. Goerlitz

Mammal Review > 51 > 4 > 559 - 570

Wind turbines (WTs) frequently kill bats worldwide. During environmental impact assessments, consultant ecologists often use automated ultrasonic detectors (AUDs) to estimate the activity and identity of bats in the zone of highest mortality risk at WTs in order to formulate mitigation schemes, such as increased curtailment speeds to prevent casualties. While acknowledging the potential of acoustic...

article

Bat conservation and zoonotic disease risk: a research agenda to prevent misguided persecution in the aftermath of COVID‐19

R. Rocha, S. A. Aziz, C. E. Brook, W. D. Carvalho, more

Animal Conservation > 24 > 3 > 303 - 307

article

The oestrous cycle of the Damaraland mole‐rat revisited: evidence for induced ovulation

C. Voigt, K. Medger, N. C. Bennett

Journal of Zoology > 314 > 2 > 85 - 95

African mole‐rats (family Bathyergidae) show a wide variety of social organization, from strictly solitary to highly social. Within the family, both modes of ovulation, spontaneous and induced, have been found and are thought to relate to seasonality of reproduction and opportunities for dispersal. Damaraland mole‐rats (Fukomys damarensis) are cooperative breeders, which breed year‐round and exhibit...

article

Identifying migratory pathways of Nathusius' pipistrelles (Pipistrellus nathusii) using stable hydrogen and strontium isotopes

Cecilia Kruszynski, Liam D. Bailey, Alexandre Courtiol, Lothar Bach, more

Rapid Communications in Mass Spectrometry > 35 > 6 > n/a - n/a

Rationale Identifying migratory corridors of animals is essential for their effective protection, yet the exact location of such corridors is often unknown, particularly for elusive animals such as bats. While migrating along the German coastline, Nathusius' pipistrelles (Pipistrellus nathusii) are regularly killed at wind turbines. Therefore, we explored the paths taken on their annual journey....

article

Movement‐mediated community assembly and coexistence

Ulrike E. Schlägel, Volker Grimm, Niels Blaum, Pierluigi Colangeli, more

Biological Reviews > 95 > 4 > 1073 - 1096

Organismal movement is ubiquitous and facilitates important ecological mechanisms that drive community and metacommunity composition and hence biodiversity. In most existing ecological theories and models in biodiversity research, movement is represented simplistically, ignoring the behavioural basis of movement and consequently the variation in behaviour at species and individual levels. However,...

article

Plasma proteomic profiles differ between European and North American myotid bats colonized by Pseudogymnoascus destructans

Alexander M. Hecht‐Höger, Beate C. Braun, Eberhard Krause, Angelika Meschede, more

Molecular Ecology > 29 > 9 > 1745 - 1755

Emerging fungal diseases have become challenges for wildlife health and conservation. North American hibernating bat species are threatened by the psychrophilic fungus Pseudogymnoascus destructans (Pd) causing the disease called white‐nose syndrome (WNS) with unprecedented mortality rates. The fungus is widespread in North America and Europe, however, disease is not manifested in European bats. Differences...

article

Landscape structure influences the use of social information in an insectivorous bat

Manuel Roeleke, Torsten Blohm, Uwe Hoffmeister, Lara Marggraf, more

Oikos > 129 > 6 > 912 - 923

In anthropogenic landscapes, aerial insectivores are often confronted with variable habitat complexity, which may influence the distribution of prey. Yet, high mobility may allow aerial insectivores to adjust their foraging strategy to different prey distributions. We investigated whether aerial‐hunting common noctules Nyctalus noctula adjust their foraging strategy to landscapes with different habitat...

article

Fatty acid profiles of the European migratory common noctule bat (Nyctalus noctula)

Christian C. Voigt, Elisabeth Rosner, Christopher G. Guglielmo, Shannon E. Currie

The Science of Nature > 2019 > 106 > 7-8 > 1-8

In animals, fatty acids (FA) are essential as structural components in membranes and for energy storage in adipocytes. Here, we studied the relative proportions of FA in a mammal with extreme changes in metabolic rates. Common noctule bats (Nyctalus noctula) switch from energetically demanding long-distance migration at high metabolic rates to regular torpor with extremely low metabolic rates. We...

article

Orientation and flight behaviour identify the Soprano pipistrelle as a migratory bat species at the Baltic Sea coast

O. Lindecke, A. Elksne, R. A. Holland, G. Pētersons, more

Journal of Zoology > 308 > 1 > 56 - 65

Migration routes of bats remain largely unknown, as previous orientation studies have been challenging even with newly developed techniques in tracking, genetic and stable isotope studies. However, a lack of knowledge about migrations poses problems for species conservation, especially in newly described species for which ecological information is not yet available. Here, we aimed to test flight orientation...

article

Multiple isotope tracers in fur keratin discriminate between mothers and offspring

Kseniia A. Kravchenko, Linn S. Lehnert, Anton S. Vlaschenko, Christian C. Voigt

Rapid Communications in Mass Spectrometry > 33 > 10 > 907 - 913

Rationale Isoscape origin models for mammals may be impaired by fractionation and routing of isotopes during lactation. Here, we tested if the stable carbon, nitrogen and hydrogen ratios of juvenile bats differ from those of their mothers and if derived isotopic dietary niches and geographical assignments vary accordingly between mothers and juveniles. Methods During the post‐lactation period,...

article

Rapid descent flight by a molossid bat (Chaerephon plicatus) returning to its cave

Christian C. Voigt, Sara Bumrungsri, Manuel Roeleke

Mammalian Biology > 2019 > 95 > 1 > 15-17

In Southeast Asia, wrinkle-lipped bats (Chaerephon plicatus) roost in colonies that may count several million individuals. Birds of prey frequently hunt these bats when they emerge from or return to their colonies. Here, we report on an extreme anti-predator behavior of this species during return flights at dawn. Based on data logger, we documented that bats may ascend to several hundred meters altitude...

article

Sex‐specific dietary specialization in a terrestrial apex predator, the leopard, revealed by stable isotope analysis

C. C. Voigt, M. Krofel, V. Menges, B. Wachter, more

Journal of Zoology > 306 > 1 > 1 - 7

Apex predators in terrestrial ecosystems, such as leopards in the African savanna, feed on a wide variety of prey species, yet it is unknown whether individuals specialize on certain prey, and whether specialization changes with body traits. Here, we asked whether individual specialization of adult leopards (Panthera pardus) varies with sex, body mass, body length and age classes. We used the variation...

article

Aerial-hawking bats adjust their use of space to the lunar cycle

Manuel Roeleke, Tobias Teige, Uwe Hoffmeister, Friederike Klingler, more

Movement Ecology > 2018 > 6 > 1 > 1-10

Background Animals change their habitat use in response to spatio-temporal fluctuation of resources. Some resources may vary periodically according to the moonphase. Yet it is poorly documented how animals, particularly nocturnal mammals, adjust their use of space in response to the moonphase.Here, we asked if an obligate nocturnal mammal, the aerial-hawking common noctule bat (Nyctalus noctula),...

article

Dietary changes in predators and scavengers in a nocturnally illuminated riparian ecosystem

Alessandro Manfrin, David Lehmann, Roy H. A. van Grunsven, Stefano Larsen, more

Oikos > 127 > 7 > 960 - 969

Aquatic and terrestrial ecosystems are linked by fluxes of carbon and nutrients in riparian areas. Processes that alter these fluxes may therefore change the diet and composition of consumer communities. We used stable carbon isotope (δ¹³C) analyses to test whether the increased abundance of aquatic prey observed in a previous study led to a dietary shift in riparian consumers in areas illuminated...

article

Linking events throughout the annual cycle in a migratory bird—non-breeding period buffers accumulation of carry-over effects

Martins Briedis, Miloš Krist, Miroslav Král, Christian C. Voigt, more

Behavioral Ecology and Sociobiology > 2018 > 72 > 6 > 1-12

Annual cycles of animals consist of distinct life history phases linked in a unified sequence, and processes taking place in one season can influence an individual’s performance in subsequent seasons via carry-over effects. Here, using a long-distance migratory bird, the collared flycatcher Ficedula albicollis, we link events throughout the annual cycle by integrating breeding data, individual-based...

article

First insights into the migration route and migratory connectivity of the Paddyfield Warbler using geolocator tagging and stable isotope analysis

Vojtěch Brlík, Mihaela Ilieva, Simeon Lisovski, Christian C. Voigt, more

Journal of Ornithology > 2018 > 159 > 3 > 879-882

The Paddyfield Warbler Acrocephalus agricola has recently expanded its breeding range westwards to the western coast of the Black Sea. Although its non-breeding range is known (southern Iran to northern Myanmar), current knowledge on how individual birds migrate and how their routes evolve alongside range expansion processes is very limited. Data from one geolocator deployed on a Paddyfield Warbler...

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INFONA - science communication portal

Search results for: C. Voigt

Low foraging rates drive large insectivorous bats away from urban areas

Increasing species richness along elevational gradients is associated with niche packing in bat assemblages

Activity of forest specialist bats decreases towards wind turbines at forest sites

Urban affinity and its associated traits: A global analysis of bats

Limitations of acoustic monitoring at wind turbines to evaluate fatality risk of bats

Bat conservation and zoonotic disease risk: a research agenda to prevent misguided persecution in the aftermath of COVID‐19

The oestrous cycle of the Damaraland mole‐rat revisited: evidence for induced ovulation

Identifying migratory pathways of Nathusius' pipistrelles (Pipistrellus nathusii) using stable hydrogen and strontium isotopes

Movement‐mediated community assembly and coexistence

Plasma proteomic profiles differ between European and North American myotid bats colonized by Pseudogymnoascus destructans

Landscape structure influences the use of social information in an insectivorous bat

Fatty acid profiles of the European migratory common noctule bat (Nyctalus noctula)

Orientation and flight behaviour identify the Soprano pipistrelle as a migratory bat species at the Baltic Sea coast

Multiple isotope tracers in fur keratin discriminate between mothers and offspring

Rapid descent flight by a molossid bat (Chaerephon plicatus) returning to its cave

Sex‐specific dietary specialization in a terrestrial apex predator, the leopard, revealed by stable isotope analysis

Aerial-hawking bats adjust their use of space to the lunar cycle

Dietary changes in predators and scavengers in a nocturnally illuminated riparian ecosystem

Linking events throughout the annual cycle in a migratory bird—non-breeding period buffers accumulation of carry-over effects

First insights into the migration route and migratory connectivity of the Paddyfield Warbler using geolocator tagging and stable isotope analysis

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