Full Text Journal Articles by
Author Klaus Fischer

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Birds of different morphs use slightly different strategies to achieve similar reproductive performance following heatwave exposure.

Rita Fragueira, Fabrice Helfenstein, Klaus Fischer, Michaël Beaulieu,

Responses to extreme climatic events may differ between individuals of distinct morphs which differ in life-history strategies, resulting in climate change 'winners' and 'losers' within species. We examined the reproductive performance and carry-over effects on offspring of black- and red-headed Gouldian finches Erythrura gouldiae after exposure to simulated heatwaves of ... Read more >>

J Anim Ecol (The Journal of animal ecology)
[2021, :]

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Biodiversity in agricultural landscapes: Grassy field margins and semi-natural fragments both foster spider diversity and body size

Eva Plath, Tamara Rischen, Tobias Mohr, Klaus Fischer,

Agricultural intensification is one of the most important drivers of biodiversity loss. To preserve taxonomic diversity in agricultural landscapes, there is an increasing need for refuge areas within agroecosystems, but best practices for providing such sites are debated. Here, we compared the taxonomic diversity and trait composition of spiders, being ... Read more >>

(Agriculture, ecosystems & environment.)
[2021, 316:Not Available]

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Inhibition of the activated sludge-associated enzyme phosphatase by transition metal oxyanions.

Beatriz Böger, Marion Wacht, Michaela Leuck, Raquel de O Vilhena, Maria Riese, Klaus Fischer,

Organic esters of phosphoric acid and other organophosphorous compounds are enzymatically hydrolyzed during wastewater treatment by microbial phosphoesterases, especially by phosphomonoesterase (phosphatase). For physiological reasons, the enzyme is inhibited by its main inorganic reaction product, ortho-phosphate. It is known that oxyanions of transition metals, resembling the molecular topology of ortho-phosphate, ... Read more >>

Water Sci Technol (Water science and technology : a journal of the International Association on Water Pollution Research)
[2021, 83(11):2629-2639]

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RP-HPLC Analysis of Phenolic Lignin Monomers with DAD and Coulometric Array Detection.

Klaus Fischer, Susanne Höffler,

An high performance liquid chromatography (HPLC) method, applying diode array (DAD) and coulometric array detection simultaneously, was developed to determine monomeric phenolic compounds in lignin hydrolysates. To allow for additional mass spectrometric detection, a formic acid gradient was designed as an alternative to the non-volatile phosphate buffer gradient. Within a ... Read more >>

J Chromatogr Sci (Journal of chromatographic science)
[2021, 59(4):312-324]

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Anthropogenic and natural barriers affect genetic connectivity in an Alpine butterfly.

Daronja Trense, Thomas L Schmidt, Qiong Yang, Jessica Chung, Ary A Hoffmann, Klaus Fischer,

Dispersal is a key biological process serving several functions including connectivity among populations. Habitat fragmentation caused by natural or anthropogenic structures may hamper dispersal, thereby disrupting genetic connectivity. Investigating factors affecting dispersal and gene flow is important in the current era of anthropogenic global change, as dispersal comprises a vital ... Read more >>

Mol Ecol (Molecular ecology)
[2021, 30(1):114-130]

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Clinal variation in investment into reproduction versus maintenance suggests a 'pace-of-life' syndrome in a widespread butterfly.

Franziska Günter, Michaël Beaulieu, Kristin Franke, Nia Toshkova, Klaus Fischer,

Extreme weather events such as heat waves are predicted to increase in the course of anthropogenic climate change. Widespread species are exposed to a variety of environmental conditions throughout their distribution range, often resulting in local adaptation. Consequently, populations from different regions may vary in their capacity to deal with ... Read more >>

Oecologia (Oecologia)
[2020, 193(4):1011-1020]

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Species-specific effects of thermal stress on the expression of genetic variation across a diverse group of plant and animal taxa under experimental conditions.

Klaus Fischer, Jürgen Kreyling, Michaël Beaulieu, Ilka Beil, Manuela Bog, Dries Bonte, Stefanie Holm, Sabine Knoblauch, Dustin Koch, Lena Muffler, Pierick Mouginot, Maria Paulinich, J F Scheepens, Raijana Schiemann, Jonas Schmeddes, Martin Schnittler, Gabriele Uhl, Marieke van der Maaten-Theunissen, Julia M Weier, Martin Wilmking, Robert Weigel, Phillip Gienapp,

Assessing the genetic adaptive potential of populations and species is essential for better understanding evolutionary processes. However, the expression of genetic variation may depend on environmental conditions, which may speed up or slow down evolutionary responses. Thus, the same selection pressure may lead to different responses. Against this background, we ... Read more >>

Heredity (Edinb) (Heredity)
[2021, 126(1):23-37]

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Genotype-environment interactions rule the response of a widespread butterfly to temperature variation.

Franziska Günter, Michaël Beaulieu, Kasimir F Freiberg, Ines Welzel, Nia Toshkova, Anamarija Žagar, Tatjana Simčič, Klaus Fischer,

Understanding how organisms adapt to complex environments is a central goal of evolutionary biology and ecology. This issue is of special interest in the current era of rapidly changing climatic conditions. Here, we investigate clinal variation and plastic responses in life history, morphology and physiology in the butterfly Pieris napi ... Read more >>

J Evol Biol (Journal of evolutionary biology)
[2020, 33(7):920-929]

Cited: 1 time

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Characterisation of polymorphic microsatellite loci in three copper butterfly species (Lycaena spp.).

Daronja Trense, Elisabeth Reim, Klaus Fischer,

The genus Lycaena is widely used for studying life history evolution, local adaptation, stress biology, and behavior. Furthermore, several species are currently declining and thus of conservation concern. In order to provide the molecular basis for population genetics and conservation biology, we report the development of 36 microsatellite markers for ... Read more >>

Mol Biol Rep (Molecular biology reports)
[2019, 46(6):6585-6591]

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Sexual differences rather than flight performance underlie movement and exploration in a tropical butterfly

Elisabeth Reim, Klaus Fischer, Stefan Kahl, Katja Metschke,

1. Individual movement behaviour governs several routine processes, and may scale up to important ecological processes, including dispersal. However, movement is affected by a wealth of factors, including abiotic conditions, flight performance, and behavioural traits. Although it has been historically assumed that insect flight is in the first place ruled ... Read more >>

Ecol Entomol (Ecological entomology)
[2019, 44(5):648-658]

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The Back College for nurses - an evaluation of intermediate effects.

Bianca Kusma, Aki Pietsch, Helge Riepenhof, Sören Haß, Daniel Kuhn, Klaus Fischer, Albert Nienhaus,

Background:Nursing staff and care workers run an increased risk of work related musculoskeletal disorders such as low back pain. The Institution for Statutory Accident Insurance and Prevention in the Health and Welfare Services (BGW) offers its insured persons the opportunity to participate in a three-week Back College with the aim ... Read more >>

J Occup Med Toxicol (Journal of occupational medicine and toxicology (London, England))
[2019, 14:19]

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Simultaneous removal of a cationic and an anionic textile dye from water by a mixed sorbent of vermicompost and Persian charred dolomite.

Elham Khalilzadeh Shirazi, Jörg W Metzger, Klaus Fischer, Amir Hessam Hassani,

The potential of a mixed sorbent consisting of vermicompost and Persian charred dolomite for simultaneous adsorption of Basic Violet 16 (BV<sub>16</sub>) and Reactive Red 195 (RR<sub>195</sub>) was investigated. First-order derivative spectrophotometry was used for simultaneous analysis of the two dyes. In single dye experiments, the maximum adsorption capacity of vermicompost ... Read more >>

Chemosphere (Chemosphere)
[2019, 234:618-629]

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Effects of adult temperature on gene expression in a butterfly: identifying pathways associated with thermal acclimation.

Kristin Franke, Isabell Karl, Tonatiuh Pena Centeno, Barbara Feldmeyer, Christian Lassek, Vicencio Oostra, Katharina Riedel, Mario Stanke, Christopher W Wheat, Klaus Fischer,

<h4>Background</h4>Phenotypic plasticity is a pervasive property of all organisms and considered to be of key importance for dealing with environmental variation. Plastic responses to temperature, which is one of the most important ecological factors, have received much attention over recent decades. A recurrent pattern of temperature-induced adaptive plasticity includes increased ... Read more >>

BMC Evol Biol (BMC evolutionary biology)
[2019, 19(1):32]

Cited: 1 time

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The Conservative Treatment of Traumatic Thoracolumbar Vertebral Fractures.

Ulrich J Spiegl, Klaus Fischer, Jörg Schmidt, Jörg Schnoor, Stefan Delank, Christoph Josten, Tobias Schulte, Christoph-Eckhardt Heyde,

<h4>Background</h4>The conservative treatment of traumatic thoracolumbar vertebral fractures is often not clearly defined.<h4>Methods</h4>This review is based on articles retrieved by a systematic search in the PubMed and Web of Science databases for publications up to February 2018 dealing with the conservative treatment of traumatic thoracolumbar vertebral fractures. The search initially ... Read more >>

Dtsch Arztebl Int (Deutsches Arzteblatt international)
[2018, 115(42):697-704]

Cited: 1 time

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Successful despite poor flight performance: range expansion is associated with enhanced exploratory behaviour and fast development.

Elisabeth Reim, Simone Blesinger, Lisa Förster, Klaus Fischer,

Anthropogenic interference forces species to respond to changing environmental conditions. One possible response is dispersal and concomitant range shifts, allowing individuals to escape unfavourable conditions or to track the shifting climate niche. Range expansions depend on both dispersal capacity and the ability to establish populations beyond the former range. We ... Read more >>

J Evol Biol (Journal of evolutionary biology)
[2018, 31(8):1165-1179]

Cited: 3 times

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[Rehabilitation after Traumatic Fracture of Thoracic and Lumbar Spine].

Hartmut Bork, Stefan Simmel, Eckhardt Böhle, Ulrich Ernst, Klaus Fischer, Bernd Fromm, Jean-Jacques Glaesener, Bernhard Greitemann, P Krause, S Panning, V Pullwitt, J Schmidt, Andreas Veihelmann, Lutz Vogt,

On the basis of the S2-k guideline "Rehabilitation after traumatic fractures of the thoracic und lumbar spine without neurologic disorder", this article gives an overview of target-oriented rehabilitation of patients with minor fractures or those with column stability and unstable spinal fractures which are stabilised by surgery. To obtain early ... Read more >>

Z Orthop Unfall (Zeitschrift fur Orthopadie und Unfallchirurgie)
[2018, 156(5):533-540]

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Movement Patterns Differ between Sexes and Depend on Weather Conditions in the Butterfly Lycaena tityrus

Elisabeth Reim, Alexander Seliger, Aninha Lassen, Carolin Vallinga, Felix Närmann, Inga Neunaber, Ingo Arnstedt, Isabel Barwisch, Julia Eberspach, Julia Ellerbrok, Klaus Fischer, Letro Letro, Lukas Guth, Maria Möller, Martin Wagner, Max Baumgarten, Mulugeta Gebremeskel, Philipp Vögele, Rebecca Meth, Sascha Bock, Simon Küpper, Wilderich v. Stein,

Habitat loss and anthropogenic climate change are important threats to biodiversity conservation. Owing to the concomitantly deteriorating habitat quality, individuals are often forced to disperse to new habitats, rendering dispersal an ecologically important process. However, dispersal ability may differ within and among populations, and is further dependent on environmental conditions. ... Read more >>

(Journal of insect behavior.)
[2018, 31(3):309-320]

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Nutritional stress reduces flight performance and exploratory behavior in a butterfly.

Elisabeth Reim, Danny Eichhorn, Jan D Roy, Philip O M Steinhoff, Klaus Fischer,

Anthropogenic global change, including agricultural intensification and climate change, poses a substantial challenge to many herbivores due to a reduced availability of feeding resources. The concomitant food stress is expected to detrimentally affect performance, amongst others in dispersal-related traits. Thus, while dispersal is of utmost importance to escape from deteriorating ... Read more >>

Insect Sci (Insect science)
[2019, 26(5):897-910]

Cited: 1 time

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A reply to Nieberding and Holveck: beyond experimental design and proximate mechanisms - mate choice in the face of sexual conflict.

Klaus Fischer, Isabell Karl, Ian A N Dublon, Tobias Kehl,

We summarise our work on male mating behaviour in the tropical butterfly Bicyclus anynana, responding to the commentary provided by Nieberding and Holveck. We acknowledge that our laboratory studies are not free of shortcomings and potential caveats, though we attempted to address or highlight these within each paper. The concerns ... Read more >>

Front Zool (Frontiers in zoology)
[2018, 15:19]

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Temperature and humidity acclimation increase desiccation resistance in the butterfly Bicyclus anynana

Klaus Fischer, Manuela Kirste,

Desiccation resistance, that is, the ability to reduce water loss, is an ecologically important trait relevant to all terrestrial organisms, which may constrain species distributions. Nevertheless, relatively few studies have investigated plastic capacities in desiccation resistance. We here investigate plastic responses in body mass change, used as a proxy of ... Read more >>

Entomol Exp Appl (Entomologia experimentalis et applicata.)
[2018, 166(4):289-297]

Cited: 1 time

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[Does the hand solely belong in the hands of a qualified hand surgeon?]

Asim Güven, Kerstin Kols, Klaus Fischer, Michael Schönberger, Sixtus Allert,

<b>Background</b> In Germany, Hand Surgery is an additional qualification that can only be obtained by a three-year training after a completed residency in General Surgery, Plastic Surgery or Trauma and Orthopaedic Surgery. Nevertheless, injuries and diseases of the hand are also treated by physicians without this particular qualification. It is ... Read more >>

Handchir Mikrochir Plast Chir (Handchirurgie, Mikrochirurgie, plastische Chirurgie : Organ der Deutschsprachigen Arbeitsgemeinschaft fur Handchirurgie : Organ der Deutschsprachigen Arbeitsgemeinschaft fur Mikrochirurgie der Peripheren Nerven und Gefasse : Organ der V...)
[2017, 49(4):251-256]

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Effects of temperature and drought on early life stages in three species of butterflies: Mortality of early life stages as a key determinant of vulnerability to climate change?

Michael Klockmann, Klaus Fischer,

Anthropogenic climate change poses substantial challenges to biodiversity conservation. Well-documented responses include phenological and range shifts, and declines in cold but increases in warm-adapted species. Thus, some species will suffer while others will benefit from ongoing change, although the biological features determining the prospects of a given species under climate ... Read more >>

Ecol Evol (Ecology and evolution)
[2017, 7(24):10871-10879]

Cited: 1 time

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Feeding on ripening and over-ripening fruit: interactions between sugar, ethanol and polyphenol contents in a tropical butterfly.

Michaël Beaulieu, Kristin Franke, Klaus Fischer,

In ripe fruit, energy mostly derives from sugar, while in over-ripe fruit, it also comes from ethanol. Such ripeness differences may alter the fitness benefits associated with frugivory if animals are unable to degrade ethanol when consuming over-ripe fruit. In the tropical butterfly <i>Bicyclus anynana</i>, we found that females consuming ... Read more >>

J Exp Biol (The Journal of experimental biology)
[2017, 220(Pt 17):3127-3134]

Cited: 3 times

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Variation in adult stress resistance does not explain vulnerability to climate change in copper butterflies.

Michael Klockmann, Leonard Wallmeyer, Klaus Fischer,

Ongoing climate change is a major threat to biodiversity. However, although many species clearly suffer from ongoing climate change, others benefit from it, for example, by showing range expansions. However, which specific features determine a species' vulnerability to climate change? Phenotypic plasticity, which has been described as the first line ... Read more >>

Insect Sci (Insect science)
[2018, 25(5):894-904]

Cited: 1 time

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Carried over: Heat stress in the egg stage reduces subsequent performance in a butterfly.

Michael Klockmann, Friederike Kleinschmidt, Klaus Fischer,

Increasing heat stress caused by anthropogenic climate change may pose a substantial challenge to biodiversity due to associated detrimental effects on survival and reproduction. Therefore, heat tolerance has recently received substantial attention, but its variation throughout ontogeny and effects carried over from one developmental stage to another remained largely neglected. ... Read more >>

PLoS One (PloS one)
[2017, 12(7):e0180968]

Cited: 7 times

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