Search Results - "Pechar, Libor"

Microbial food webs in hypertrophic fishponds: Omnivorous ciliate taxa are major protistan bacterivores by Šimek, Karel, Grujčić, Vesna, Nedoma, Jiří, Jezberová, Jitka, Šorf, Michal, Matoušů, Anna, Pechar, Libor, Posch, Thomas, Bruni, Estelle P., Vrba, Jaroslav

“…Despite the importance of shallow lakes worldwide, knowledge of microbial components, the base of their food webs, remains scarce. To close this gap, we…”
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Geochemical position of Pb, Zn and Cd in soils near the Olkusz mine/smelter, South Poland: effects of land use, type of contamination and distance from pollution source by Chrastný, Vladislav, Vaněk, Aleš, Teper, Leslaw, Cabala, Jerzy, Procházka, Jan, Pechar, Libor, Drahota, Petr, Penížek, Vít, Komárek, Michael, Novák, Martin

“…The soils adjacent to an area of historical mining, ore processing and smelting activities reflects the historical background and a mixing of recent…”
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A stoichiometric insight into the seasonal imbalance of phosphorus and nitrogen in central European fishponds by Kajgrová, Lenka, Kolar, Vojtech, Roy, Koushik, Adámek, Zdeněk, Blabolil, Petr, Kopp, Radovan, Mráz, Jan, Musil, Martin, Pecha, Oldřich, Pechar, Libor, Potužák, Jan, Vrba, Jaroslav

“…Background This study examines seasonal and regional trends in chlorophyll- a concentrations and the dynamics of nitrogen (N) and phosphorus (P) in 32…”
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Estimating Heat Stress Effects on the Sustainability of Traditional Freshwater Pond Fishery Systems under Climate Change by Orság, Matěj, Meitner, Jan, Fischer, Milan, Svobodová, Eva, Kopp, Radovan, Mareš, Jan, Spurný, Petr, Pechar, Libor, Beděrková, Ivana, Hanuš, Jan, Semerádová, Daniela, Balek, Jan, Radojičić, Marija, Hanel, Martin, Vizina, Adam, Žalud, Zdeněk, Trnka, Miroslav

“…Freshwater fish production is significantly correlated with water temperature, which is expected to increase under climate change. This study evaluated changes…”
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Impact of topmouth gudgeon (Pseudorasbora parva) on production of common carp (Cyprinus carpio) — question of natural food structure by Musil, Martin, Novotná, Kateřina, Potužák, Jan, Hůda, Jan, Pechar, Libor

“…Four production fishponds in the Czech Republic were investigated in 2003 and 2004 during a feeding experiment on common carp ( Cyprinus carpio ). In 2003,…”
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Changes in fish production effectivity in eutrophic fishponds--impact of zooplankton structure by Potužák, Jan, Hůda, Jan, Pechar, Libor

“…Fishponds were and are purposeful water structures. Fish production is their main function and rational management is an inevitable condition for their…”
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Dissolved oxygen deficits in a shallow eutrophic aquatic ecosystem (fishpond) – Sediment oxygen demand and water column respiration alternately drive the oxygen regime by Baxa, Marek, Musil, Martin, Kummel, Miroslav, Hanzlík, Petr, Tesařová, Blanka, Pechar, Libor

“…Biological processes tend to dominate the oxygen regime of productive waters. However, in shallow aquatic ecosystems, it is unclear whether the oxygen regime…”
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The comparison of water and matter flows in three small catchments in the Šumava Mountains by PROCHÁZKA, Jan, BROM, Jakub, PECHAR, Libor

“…The comparisons of water and matter flows have been evaluated in three small catchments with different land uses in the Šumava Mountains in the south-west of…”
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CELL AGGREGATION OF THE CYANOBACTERIUM SYNECHOCOCCUS ELONGATUS: ROLE OF THE ELECTRON TRANSPORT CHAIN by Koblížek, Michal, Komenda, Josef, Masojídek, Jiří, Pechar, Libor

“…Cell aggregation, the formation of irregular clusters of individual cells or filaments, is frequently observed in many cyanobacterial species. The mechanism(s)…”
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Uptake of 133Cs and 134Cs by Ceratophyllum demersum L. under field and greenhouse conditions by Vacula, Jaroslav, Komínková, Dana, Pecharová, Emilie, Doksanská, Tereza, Pechar, Libor

“…The phytoremediation abilities of Hornwort (Ceratophyllum demersum L.) were tested under greenhouse and field conditions. Plants were exposed for 8, 16, and…”
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Top-down and bottom-up control of plankton structure and dynamics in hypertrophic fishponds by Vrba, Jaroslav, Šorf, Michal, Nedoma, Jiří, Benedová, Zdenka, Kröpfelová, Lenka, Šulcová, Jana, Tesařová, Blanka, Musil, Martin, Pechar, Libor, Potužák, Jan, Regenda, Ján, Šimek, Karel, Řeháková, Klára

“…We investigated the effects of strong top-down control by high fish stock on structure and seasonal dynamics of plankton in nine fishponds under conventional…”
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Spectral reflectance is a reliable water-quality estimator for small, highly turbid wetlands by Vinciková, Hana, Hanuš, Jan, Pechar, Libor

“…Spectral reflectance from water surfaces was measured in small (0.01–5 km²), turbid, eutrophic fishponds and mesotrophic quarry lakes in the Třeboň basin…”
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Uptake of 133 Cs and 134 Cs by Ceratophyllum demersum L. under field and greenhouse conditions by Vacula, Jaroslav, Komínková, Dana, Pecharová, Emilie, Doksanská, Tereza, Pechar, Libor

“…The phytoremediation abilities of Hornwort (Ceratophyllum demersum L.) were tested under greenhouse and field conditions. Plants were exposed for 8, 16, and…”
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Distribution of aerobic anoxygenic phototrophs in temperate freshwater systems by Mašín, Michal, Nedoma, Jiří, Pechar, Libor, Koblížek, Michal

“…The presence of aerobic anoxygenic phototrophs (AAPs) was recently reported from various marine environments; however, there is little information regarding…”
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Assessment of landscape functionality changes as one aspect of reclamation quality – the case of Velká podkrušnohorská dump, Czech Republic by Bodlák, Lubomír, Křováková, Kateřina, Nedbal, Václav, Pechar, Libor

“…Spatial patterns of surface temperature and a wetness index, from remote sensing data, and surface-water conductivity from field monitoring, were used in an…”
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Freshwater ice as habitat: partitioning of phytoplankton and bacteria between ice and water in central E uropean reservoirs by McKay, Robert M.L., Prášil, Ondrej, Pechar, Libor, Lawrenz, Evelyn, Rozmarynowycz, Mark J., Bullerjahn, George S.

“…Summary Abundant phytoplankton and bacteria were identified by high‐throughput 16 S r RNA tag Illumina sequencing of samples from water and ice phases…”
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Supplementary feeding with thermally treated cereals in common carp (Cyprinus carpio L.) pond farming and its effects on water quality, nutrient budget and zooplankton and zoobenthos assemblages by Hlaváč, David, Anton-Pardo, Maria, Másílko, Jan, Hartman, Pavel, Regenda, Ján, Vejsada, Pavel, Baxa, Marek, Pechar, Libor, Valentová, Olga, Všetičková, Lucie, Drozd, Bořek, Adámek, Zdeněk

“…To test the influence of supplementary feeding with thermally treated cereals on nutrient budget and environmental and biotic variables, three different…”
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Effect of Postmining Waters on Cyanobacterial Photosynthesis by Medová, Hana, Přikryl, Ivo, Zapomnělová, Eliška, Pechar, Libor

“…New waterbodies have been created in a postmining area of the brown-coal basin in Sokolov, Czech Republic. The former open-cast quarry, Medard, has been…”
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50years of different landscape management influencing retention of metals in soils by Chrastný, Vladislav, Komárek, Michael, Procházka, Jan, Pechar, Libor, Vaněk, Aleš, Penížek, Vít, Farkaš, Juraj

“…The geochemical position of metals bound to soils in an area with 50years of different landscape management practices (land use) during its unique historical…”
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Freshwater ice as habitat: partitioning of phytoplankton and bacteria between ice and water in central European reservoirs by McKay, Robert M.L, Prášil, Ondrej, Pechar, Libor, Lawrenz, Evelyn, Rozmarynowycz, Mark J, Bullerjahn, George S

“…Abundant phytoplankton and bacteria were identified by high‐throughput 16S rRNA tag Illumina sequencing of samples from water and ice phases collected during…”
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