Search Results - "Jiří Peterka"

A non-lethal stable isotope analysis of valued freshwater predatory fish using blood and fin tissues as alternatives to muscle tissue by Vejřík, Lukáš, Vejříková, Ivana, Sajdlová, Zuzana, Kočvara, Luboš, Kolařík, Tomáš, Bartoň, Daniel, Jůza, Tomáš, Blabolil, Petr, Peterka, Jiří, Čech, Martin, Vašek, Mojmír

“…Stable isotope analysis (SIA) is widely used to study trophic ecology and food webs in aquatic ecosystems. In the case of fish, muscle tissue is generally…”
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Dominance and size affect foraging position choice by Arctic grayling (Thymallus arcticus) by Holubová, Michaela, Peterka, Jiří, Simon, Troy, Neuswanger, Jason, Grossman, Gary

“…Salmonid fishes are a widespread and economically important group of fishes that are strongly affected by anthropogenic environmental degradation…”
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Ferrous sludge from water clarification: Changes in waste management practices advisable by Maroušek, Josef, Stehel, Vojtěch, Vochozka, Marek, Kolář, Ladislav, Maroušková, Anna, Strunecký, Otakar, Peterka, Jiří, Kopecký, Marek, Shreedhar, Sowmya

“…Clarification via floccules of ferric hydroxide is a globally leading technology in processing and treating surface water, and converting it into drinking…”
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Advances in nutrient management make it possible to accelerate biogas production and thus improve the economy of food waste processing by Maroušek, Josef, Strunecký, Otakar, Kolář, Ladislav, Vochozka, Marek, Kopecký, Marek, Maroušková, Anna, Batt, Jana, Poliak, Miloš, Šoch, Miloslav, Bartoš, Petr, Klieštik, Tomáš, Filip, Martin, Konvalina, Petr, Moudrý, Jan, Peterka, Jiří, Suchý, Karel, Zoubek, Tomáš, Cera, Edmond

“…Foodwaste (hereinafter, FW) is the most voluminous solid waste and its amount is growing rapidly all over the world. The turning of FW into biogas via…”
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Advances in the agrochemical utilization of fermentation residues reduce the cost of purpose-grown phytomass for biogas production by Maroušek, Josef, Bartoš, Petr, Filip, Martin, Kolář, Ladislav, Konvalina, Petr, Maroušková, Anna, Moudrý, Jan, Peterka, Jiří, Šál, Jiří, Šoch, Miloslav, Stehel, Vojtěch, Strunecký, Otakar, Suchý, Karel, Vochozka, Marek, Vrbka, Jaromír, Zoubek, Tomáš

“…The share of renewables is rising rapidly, especially in developed countries. Biogas production from purpose-grown phytomass is undergoing the fastest growth…”
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Contrasting structural complexity differentiate hunting strategy in an ambush apex predator by Říha, Milan, Gjelland, Karl Ø., Děd, Vilém, Eloranta, Antti P., Rabaneda-Bueno, Ruben, Baktoft, Henrik, Vejřík, Lukáš, Vejříková, Ivana, Draštík, Vladislav, Šmejkal, Marek, Holubová, Michaela, Jůza, Tomas, Rosten, Carolyn, Sajdlová, Zuzana, Økland, Finn, Peterka, Jiří

“…Structural complexity is known to influence prey behaviour, mortality and population structure, but the effects on predators have received less attention. We…”
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Influence of habitat on abundance, size and growth rate of pikeperch (Sander lucioperca) 0+ juveniles in a canyon‐shaped reservoir by Blabolil, Petr, Peterka, Jiří, Čech, Martin, Jůza, Tomáš

“…Abundance, size (standard length, LS) and growth rate of early pikeperch (Sander lucioperca) 0+ juveniles were monitored in the epipelagic and bathypelagic…”
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Biomass and abundance biases in European standard gillnet sampling by Šmejkal, Marek, Ricard, Daniel, Prchalová, Marie, Říha, Milan, Muška, Milan, Blabolil, Petr, Čech, Martin, Vašek, Mojmír, Jůza, Tomáš, Monteoliva Herreras, Agustín, Encina, Lourdes, Peterka, Jiří, Kubečka, Jan

“…The European Standard EN 14757 recommends gillnet mesh sizes that range from 5 to 55mm (knot-to-knot) for the standard monitoring of fish assemblages and…”
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Brown Trout Natural Colonisation as a Sign of Full Lake Recovery from Acidification by Blabolil, Petr, Draštík, Vladislav, Hůda, Jan, Muška, Milan, Jůza, Tomáš, Peterka, Jiří, Vrba, Jaroslav, Kopáček, Jiří

“…A recent spontaneous return of a native brown trout population in Lake Laka and its tributaries followed the gradual recovery of the Bohemian Forest (Czechia)…”
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Environmental DNA metabarcoding uncovers environmental correlates of fish communities in spatially heterogeneous freshwater habitats by Blabolil, Petr, Harper, Lynsey R., Říčanová, Štěpánka, Sellers, Graham, Di Muri, Cristina, Jůza, Tomáš, Vašek, Mojmír, Sajdlová, Zuzana, Rychtecký, Pavel, Znachor, Petr, Hejzlar, Josef, Peterka, Jiří, Hänfling, Bernd

“…[Display omitted] •Non-invasive environmental DNA (eDNA) metabarcoding can be used to describe fish communities.•Temperature, water age and trophic status…”
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Succession of submerged vegetation in a hydrologically reclaimed opencast mine during first 10 years by Vejříková, Ivana, Vejřík, Lukáš, Čech, Martin, Říha, Milan, Peterka, Jiří

“…Succession of submerged vegetation was monitored from the early stages for a period of 10 years by Self‐Contained Underwater Breathing Apparatus (SCUBA) divers…”
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High Mobility and Flexibility in the Habitat Use of Early Juvenile Pikeperch (Sander lucioperca) Based on a Mark-Recapture Experiment by Blabolil, Petr, Jůza, Tomáš, Čech, Martin, Peterka, Jiří

“…Disentangling the role of factors responsible for juvenile fish dispersal is essential to understand the ecology of individual species, setting the…”
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Thirty-Year-Old Paradigm about Unpalatable Perch Egg Strands Disclaimed by the Freshwater Top-Predator, the European Catfish (Silurus glanis) by Vejřík, Lukáš, Vejříková, Ivana, Kočvara, Luboš, Sajdlová, Zuzana, Hoang The, Son Chung, Šmejkal, Marek, Peterka, Jiří, Čech, Martin

“…So far, perch egg strands have been considered unpalatable biological material. However, we repeatedly found egg strands of European perch (Perca fluviatilis)…”
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Sexual segregation in European cyprinids: consequence of response to predation risk influenced by sexual size dimorphism by Žák, Jakub, Prchalová, Marie, Šmejkal, Marek, Blabolil, Petr, Vašek, Mojmír, Matěna, Josef, Říha, Milan, Peterka, Jiří, Seďa, Jaromír, Kubečka, Jan

“…Fish respond to predation threat by size/cohort-dependent presence in particular habitats and this may contribute to sexual segregation between habitats in…”
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Variable diet plasticity in Eurasian perch (Perca fluviatilis): Current versus seasonal food uptake by Vejříková, Ivana, Vejřík, Lukáš, Čech, Martin, Blabolil, Petr, Peterka, Jiří

“…Diet plasticity is often studied in Eurasian perch (Perca fluviatilis), a species commonly described as having generalist populations composed of specialised…”
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Species‐specific schooling behaviour of fish in the freshwater pelagic habitat: an observational study by Holubová, Michaela, Blabolil, Petr, Čech, Martin, Vašek, Mojmír, Peterka, Jiří

“…Social living of animals is a broadly occurring phenomenon, although poorly studied in freshwater systems, fish schooling behaviour is an excellent example…”
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On the use of a visual census in surveying fish communities in lentic water bodies by Holubová, Michaela, Čech, Martin, Vašek, Mojmír, Peterka, Jiří

“…•Fish abundance did not differ between UVC and hydroacoustic survey methods.•Fish species composition did not differ between UVC and purse seining.•Properly…”
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Fluctuations in pelagic fish density linked to ambient conditions by Holubová, Michaela, Hejzlar, Josef, Čech, Martin, Vašek, Mojmír, Blabolil, Petr, Peterka, Jiří

“…Animal behaviour has been broadly studied for its social or functional aspects but less often for understanding the interactions between organisms and their…”
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Macrophytes shape trophic niche variation among generalist fishes by Vejříková, Ivana, Eloranta, Antti P, Vejřík, Lukáš, Šmejkal, Marek, Čech, Martin, Sajdlová, Zuzana, Frouzová, Jaroslava, Kiljunen, Mikko, Peterka, Jiří

“…Generalist species commonly have a fundamental role in ecosystems as they can integrate spatially distinct habitats and food-web compartments, as well as…”
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Influence of selected maize cultivation technologies on changes in the labile fraction of soil organic matter sandy-loam cambisol soil structure by Kopecký, Marek, Peterka, Jiří, Kolář, Ladislav, Konvalina, Petr, Maroušek, Josef, Váchalová, Radka, Herout, Marcel, Strunecký, Otakar, Batt, Jana, Tran, Dang Khoa

“…•Sensitive indicators of the state of soil organic matter function in a short-term experiment.•The no-till technology contributes to the protection of soil…”
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