Search Results - "KASPRZAK, Peter"

Chlorophyll a concentration across a trophic gradient of lakes: An estimator of phytoplankton biomass? by Kasprzak, Peter, Padisák, Judit, Koschel, Rainer, Krienitz, Lothar, Gervais, Frank

“…Chlorophyll a (chl a) concentration was evaluated as a predictor of phytoplankton biomass across a broad trophic gradient of lakes (oligotrophic – highly…”
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Estimating In Situ Zooplankton Non-Predation Mortality in an Oligo-Mesotrophic Lake from Sediment Trap Data: Caveats and Reality Check by Dubovskaya, Olga P, Tang, Kam W, Gladyshev, Michail I, Kirillin, Georgiy, Buseva, Zhanna, Kasprzak, Peter, Tolomeev, Aleksandr P, Grossart, Hans-Peter

“…Mortality is a main driver in zooplankton population biology but it is poorly constrained in models that describe zooplankton population dynamics, food web…”
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Monitoring of Calcite Precipitation in Hardwater Lakes with Multi-Spectral Remote Sensing Archives by Iris Heine, Achim Brauer, Birgit Heim, Sibylle Itzerott, Peter Kasprzak, Ulrike Kienel, Birgit Kleinschmit

“…Calcite precipitation is a common phenomenon in calcium-rich hardwater lakes during spring and summer, but the number and spatial distribution of lakes with…”
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New records of the rare glacial relict Eurytemora lacustris (Poppe 1887) (Copepoda; Calanoida) in atypical lake habitats of northern Germany by MAIER, Gerhard, SPETH, Berit, ARP, Wolfgang, BAHNWART, Mandy, KASPRZAK, Peter

“…During monitoring investigations of lakes in Schleswig-Holstein (northern Germany) in 2000 and 2008, the calanoid copepod Eurytemora lacustris (POPPE 1887) was…”
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Partial diel vertical migrations in pelagic fish by Mehner, Thomas, Kasprzak, Peter

“…1. Field studies on diel vertical migration (DVM) usually report uniform behaviour with population-wide ascents and descents during crepuscular periods. This…”
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Consequences of thermal pollution from a nuclear plant on lake temperature and mixing regime by Kirillin, Georgiy, Shatwell, Tom, Kasprzak, Peter

“…•We studied effects of nuclear plant thermal pollution and climate warming on a lake.•Temperature model FLake and 50-years data from Lake Stechlin, Germany…”
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Extreme Weather Event Triggers Cascade Towards Extreme Turbidity in a Clear-water Lake by Kasprzak, Peter, Shatwell, Tom, Gessner, Mark O., Gonsiorczyk, Thomas, Kirillin, Georgiy, Selmeczy, Géza, Padisák, Judit, Engelhardt, Christof

“…Climate forecasts project a global increase in extreme weather events, but information on the consequences for ecosystems is scarce. Of particular significance…”
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Long term study on the influence of eutrophication, restoration and biomanipulation on the structure and development of phytoplankton communities in Feldberger Haussee (Baltic Lake District, Germany) by KRIENITZ, L, KASPRZAK, P, KOSCHEL, R

“…Feldberger Haussee, a hardwater lake in Germany's Baltic Lake District, has become highly eutrophic since the 1950s. In the 1980s, a restoration program…”
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Old sins have long shadows: climate change weakens efficiency of trophic coupling of phyto- and zooplankton in a deep oligo-mesotrophic lowland lake (Stechlin, Germany)—a causality analysis by Selmeczy, Géza B., Abonyi, András, Krienitz, Lothar, Kasprzak, Peter, Casper, Peter, Telcs, András, Somogyvári, Zoltán, Padisák, Judit

“…Analysis of a long-term (1994–2014) data set of phytoplankton and zooplankton in the deep, dimictic, oligo-mesotrophic Lake Stechlin (Germany) revealed…”
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Partial diel vertical migrations in pelagic fish: Partial diel vertical migration in fish by Mehner, Thomas, Kasprzak, Peter

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Old sins have long shadows: climate change weakens efficiency of trophic coupling of phyto- and zooplankton in a deep oligo-mesotrophic lowland lake by Selmeczy, Géza B, Abonyi, András, Krienitz, Lothar, Kasprzak, Peter, Casper, Peter, Telcs, András, Somogyvári, Zoltán

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Prevalence of indirect toxicity effects of aluminium flakes on a shredder-fungal-leaf decomposition system by Pacioglu, Octavian, Cornut, Julien, Gessner, Mark O., Kasprzak, Peter

“…Summary Polyaluminium chloride (PAC) addition has been proposed as a technique to precipitate dissolved phosphorus (P) and reduce the internal loading of P in…”
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Reduction of nutrient loading, planktivore removal and piscivore stocking as tools in water quality management: The feldberger haussee biomanipulation project by Kasprzak, Peter, Koschel, Rainer, Krienitz, Lothar, Gonsiorczyk, Thomas, Anwand, Karl, Laude, Uwe, Wysujack, Klaus, Brach, Henry, Mehner, Thomas

“…The Feldberger Haussee, a highly eutrophic stratified hard-water lake located in the eastern part of Germany's Baltic lake district, was selected for a…”
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Coincidence of sedimentation peaks with diatom blooms, wind, and calcite precipitation measured in high resolution by a multi-trap by Fuchs, Andrea, Selmeczy, Géza B, Kasprzak, Peter, Padisák, Judit, Casper, Peter

“…Organisms and processes in the epilimnion of lakes determine the rate of sedimentation. To investigate the impact of phyto- and zooplankton on the…”
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Rapid Recovery from Eutrophication of a Stratified Lake by Disruption of Internal Nutrient Load by Mehner, Thomas, Diekmann, Markus, Gonsiorczyk, Thomas, Kasprzak, Peter, Koschel, Rainer, Krienitz, Lothar, Rumpf, Marion, Schulz, Michael, Wauer, Gerlinde

“…Restoration of anthropogenically eutrophied lake ecosystems is difficult due to feedback mechanisms that stabilize the trophically degraded state. Here, we…”
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Assessing in situ dominance pattern of phytoplankton classes by dominance analysis as a proxy for realized niches by Dunker, Susanne, Nadrowski, Karin, Jakob, Torsten, Kasprzak, Peter, Becker, Annette, Langner, Uwe, Kunath, Christfried, Harpole, Stan, Wilhelm, Christian

“…•Field data were used to identify realized niches of phytoplankton classes.•Determination of realized niches is done by a five step dominance analysis.•The…”
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Temperature sensitivity of vertical distributions of zooplankton and planktivorous fish in a stratified lake by Helland, Ingeborg Palm, Freyhof, Jörg, Kasprzak, Peter, Mehner, Thomas

“…Recent studies have indicated that temporal mismatches between interacting populations may be caused by consequences of global warming, for example rising…”
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Biomanipulation of lake ecosystems: successful applications and expanding complexity in the underlying science by Mehner, Thomas, Benndorf, Jürgen, Kasprzak, Peter, Koschel, Rainer

“…SUMMARY 1. To illustrate advances made in biomanipulation research during the last decade, seven main topics that emerged after the first biomanipulation…”
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B. Dussart D. Defaye World Directory of Crustacea Copepoda of Inland Waters, II – Cyclopiformes 2006 Backhuys Publishers BV Leiden, The Netherlands 354pp., €84.00, Paperbound, ISBN: 90-5782-175-2 by Kasprzak, Peter

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S.R. Carpenter, Regime shifts in lake ecosystems, pattern and variation. In O. Kinne (Ed.), Excellence in ecology (Vol. 15). International Ecology Institute Oldendorf, Germany, ISSN 0932-2205 (199pp., 52 figures, €40.00) by Kasprzak, Peter

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