Search Results - "Wagner, Annekatrin"

Thermal Tolerance and Vulnerability to Climate Change of a Threatened Freshwater Mussel by Wagner, Annekatrin, Linke, Daniel, Grunicke, Felix, Berendonk, Thomas U

“…Freshwater pearl mussels (FPMs, Margaritifera margaritifera, Linnaeus, 1758) are endangered and particularly vulnerable to climate change. To create effective…”
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Integrating Aquatic and Terrestrial Perspectives to Improve Insights Into Organic Matter Cycling at the Landscape Scale by Kayler, Zachary E., Premke, Katrin, Gessler, Arthur, Gessner, Mark O., Griebler, Christian, Hilt, Sabine, Klemedtsson, Leif, Kuzyakov, Yakov, Reichstein, Markus, Siemens, Jan, Totsche, Kai-Uwe, Tranvik, Lars, Wagner, Annekatrin, Weitere, Markus, Grossart, Hans-Peter

“…Across a landscape, aquatic-terrestrial interfaces within and between ecosystems are hotspots of organic matter (OM) mineralization. These interfaces are…”
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Temperature impact on the midsummer decline of Daphnia galeata: an analysis of long-term data from the biomanipulated Bautzen Reservoir (Germany) by Benndorf, JÜrgen, Kranich, Johannes, Mehner, Thomas, Wagner, Annekatrin

“…1. The influence of water temperature on occurrence and duration of a midsummer decline (MSD) of Daphnia galeata was studied in the biomanipulated Bautzen…”
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Riparian detritus vs. stream detritus: food quality determines fitness of juveniles of the highly endangered freshwater pearl mussels (Margaritifera margaritifera) by Grunicke, Felix, Wagner, Annekatrin, von Elert, Eric, Weitere, Markus, Berendonk, Thomas

“…Detritus is an important energy source of stream food webs. Being a mix of allochthonous and autochthonous sources, it is often unknown, which components…”
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Active movement to coarse grained sediments by globally endangered freshwater pearl mussels (Margaritifera margaritifera) by Eissenhauer, Felix, Grunicke, Felix, Wagner, Annekatrin, Linke, Daniel, Kneis, David, Weitere, Markus, Berendonk, Thomas U.

“…The freshwater pearl mussel Margaritifera margaritifera is an endangered bivalve which is usually regarded as sedentary, although individual movement has been…”
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Stable isotopes reveal the importance of terrestrially derived resources for the diet of the freshwater pearl mussel (Margaritifera margaritifera) by Brauns, Mario, Berendonk, Thomas, Berg, Sina, Grunicke, Felix, Kneis, David, Krenek, Sascha, Schiller, Thomas, Schneider, Jana, Wagner, Annekatrin, Weitere, Markus

“…The freshwater pearl mussel (FPM) is among the most endangered freshwater species worldwide. The few remaining populations suffer from low recruitment rates…”
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Climate-driven warming during spring destabilises a Daphnia population: a mechanistic food web approach by Wagner, Annekatrin, Benndorf, Jürgen

“…Temperature-driven changes in interactions between populations are crucial to the estimation of the impact of global warming on aquatic food webs. We analysed…”
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Multiple defence strategies of Daphniagaleata against predation in a weakly stratified reservoir by Huelsmann, Stephan, Wagner, Annekatrin

“…In the presence of size-selective fish daphnids were shown to exhibit two alternative inducible defence strategies: They may either escape predation by active…”
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Food-web-mediated effects of climate warming: consequences for the seasonal Daphnia dynamics by WAGNER, ANNEKATRIN, HÜLSMANN, STEPHAN, HORN, WOLFGANG, SCHILLER, THOMAS, SCHULZE, TORSTEN, VOLKMANN, SVEN, BENNDORF, JÜRGEN

“…Summary 1. In an extensive field study, we tested the hypothesis that warming during a sensitive period alters trophic interactions in pelagic food webs of…”
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Light limitation increases the edibility of Asterionella formosa Hass. for Daphnia during periods of ice cover by Wagner, Annekatrin

“…Morphological variations of Asterionella formosa were studied both in field samples from Bautzen Reservoir, Germany, and in culture experiments. It was…”
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Effects of winter conditions on Daphnia dynamics and genetic diversity in a dimictic temperate reservoir by HÜLSMANN, STEPHAN, WAGNER, ANNEKATRIN, PITSCH, MATTHIAS, HORN, WOLFGANG, PAUL, RÜDIGER, ROTHER, ANNE, ZEIS, BETTINA

“…Summary 1. Winter conditions shape plankton dynamics and community composition in temperate regions, but their effect on dynamics and genetic composition of…”
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Multiple defence strategies of Daphnia galeata against predation in a weakly stratified reservoir by Hülsmann, Stephan, Wagner, Annekatrin

“…In the presence of size-selective fish daphnids were shown to exhibit two alternative inducible defence strategies: They may either escape predation by active…”
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A phenomenological approach shows a high coherence of warming patterns in dimictic aquatic systems across latitude by Wagner, Annekatrin, Hülsmann, Stephan, Paul, Lothar, Paul, Rüdiger J., Petzoldt, Thomas, Sachse, René, Schiller, Thomas, Zeis, Bettina, Benndorf, Jürgen, Berendonk, Thomas U.

“…To predict the coherence in local responses to large-scale climatic forcing among aquatic systems, we developed a generalized approach to compare long-term…”
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Reduction of nutrient loading and biomanipulation as tools in water quality management: Long-term observations on Bautzen Reservoir and Feldberger Haussee (Germany) by Kasprzak, Peter, Benndorf, Jürgen, Gonsiorczyk, Thomas, Koschel, Rainer, Krienitz, Lothar, Mehner, Thomas, Hülsmann, Stephan, Schultz, Heinz, Wagner, Annekatrin

“…Long-term (1976-1999) biomanipulation in Bautzen Reservoir (BR) revealed that a combination of piscivore stocking and catch restrictions for piscivores led to…”
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The feeding behaviour of large perch Perca fluviatilis (L.) in relation to food availability: a comparative study by Dörner, Hendrik, Berg, Søren, Jacobsen, Lene, Hülsmann, Stephan, Brojerg, Mads, Wagner, Annekatrin

“…Issue Title: Shallow Lakes 2002 The aim of the present study was to analyse and compare the feeding behaviour of large perch (>25 cm total length) in two lakes…”
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Predation by piscivorous fish on age-0 fish: spatial and temporal variability in a biomanipulated lake (Bautzen reservoir, Germany) by Dörner, Hendrik, Wagner, Annekatrin, Benndorf, Jürgen

“…Predation by perch (Perca fluviatilisL.) and zander (Stizostedion luciopercaL.) on their new-hatched fish was studied in the littoral and pelagic zone in the…”
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Reduction of the filtration rate of Daphnia galeata by dissolved photosynthetic products of edible phytoplankton by WAGNER, Annekatrin, KAMJUNKE, Norbert

“…The filtration rate of Daphnia galeata was determined in in situ experiments in Bautzen Reservoir and in laboratory experiments, where daphnids were exposed to…”
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Temperature impact on the midsummer decline of Daphnia galeata: An analysis of long-term data from the biomanipulated Batuzen Reservoir (Germany) by Benndorf, Jurgen, Kranich, Johannes, Mehner, Thomas, Wagner, Annekatrin

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Phytoplankton responses to grazing by Daphnia galeata in the biomanipulated Bautzen reservoir by BÖING, W. J, WAGNER, A, VOIGT, H, DEDDE, T, BENNDORF, J

“…We studied the response of phytoplankton to grazing by Daphnia galeata in the hypertrophic Bautzen reservoir (Dresden, Germany) from January 1995 to May 1996…”
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The feeding behaviour of large Perch percafluviatilis (L.) in relation to food availability: a comparative study by DÖRNER, Hendrik, BERG, Siren, JACOBSEN, Lene, HÜLSMANN, Stephan, BROJERG, Mads, WAGNER, Annekatrin

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