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Newcomers play cryptic: The impacts of invasive species are often difficult to predict

Newcomers play cryptic: The impacts of invasive species are often difficult to predict

24. 1. 2019.

New Zealand and other islands have experienced invasions of rats and other species, Europe has seen the arrival of diseases such as the crayfish plague: invasive species can put native animal and plant species on the brink of extinction. They often go undetected for a long time, or their damaging impacts are not immediately clear. This phenomenon – referred to as crypticity – represents a huge...

Niche-directed evolution modulates genome architecture in freshwater Planctomycetes

Niche-directed evolution modulates genome architecture in freshwater Planctomycetes

23. 1. 2019.

Large numbers of bacteria live in freshwater lakes and reservoirs. The microbial universe of these ecosystems is largely unexplored due to our current inability to grow these tiny lifeforms under laboratory conditions. A joint research team from the Department of Aquatic Microbial Ecology (Institute of Hydrobiology, BC, CAS) recently discovered new groups of bacteria thriving in aquatic...

Mediterranean freshwater fish species susceptible to climate change

Mediterranean freshwater fish species susceptible to climate change

14. 1. 2019.

Climate change will strongly affect many European freshwater fish species. This is particularly the case for species in the Mediterranean region, according to the latest findings of an international team of researchers from institutions including the Biology Centre of the Czech Academy of Sciences, Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB) in Germany, the University of...

New booming boat for fish-friendly research

New booming boat for fish-friendly research

17. 12. 2018.

Our new booming boat type MS Boat S500WT arrived a few days ago. The boat will be used mainly for inshore electrofishing on large standing waters. For this purpose, it is equipped with a powerful engine powered electrofisher achieving an DC and pulse current output of up to 300/600 V.

Lukáš Vejřík awarded Zdeněk Veselovský Prize

Lukáš Vejřík awarded Zdeněk Veselovský Prize

10. 12. 2018.

Lukáš Vejřík became the winner of the Zdeněk Veselovský Prize for the best student publication in the field of ethology for 2018 for a study focused on the food behavior of catfish. The award is given by the Czech and Slovak ethological society.

Hidden in plain sight-highly abundant and diverse planktonic freshwater Chloroflexi

Hidden in plain sight-highly abundant and diverse planktonic freshwater Chloroflexi

26. 11. 2018.

Representatives of the phylum Chloroflexi, though reportedly highly abundant in the extensive deep water habitats of both marine (SAR202 up to 30% of total prokaryotes) and freshwater (CL500-11 up to 26% of total prokaryotes), remain uncultivated and uncharacterized. There are few metagenomic studies on marine Chloroflexi representatives, while the pelagic freshwater Chloroflexi community is...

Postdoc position: Modelling of freshwater food webs under climate change and predator removal

Postdoc position: Modelling of freshwater food webs under climate change and predator removal

20. 11. 2018.

Help us reveal underwater secrets! Institute of Hydrobiology is seeking to appoint an outstanding postdoctoral researcher in the field of aquatic and food web ecology.

Establishment of the Lake Fish Telemetry Group, and the upcoming workshop in Ceske Budejovice

Establishment of the Lake Fish Telemetry Group, and the upcoming workshop in Ceske Budejovice

26. 10. 2018.

Where do fish reside during different parts of the day and seasons? What is the preferred habitat of different species, and how do fish interact in time and space? What are behavioural patterns and differences among economically important, predator fish species such as pike, wels catfish and perch? How do fish react to changes in weather and seasonal conditions, and how are they expected to...

Impact of herbivory and competition on lake ecosystem structure: underwater experimental manipulation

Impact of herbivory and competition on lake ecosystem structure: underwater experimental manipulation

13. 9. 2018.

Two basic ecological relationships, herbivory and competition, distinctively influence terrestrial ecosystem characteristics, such as plant cover, species richness and species composition. It is well-known how it works in the terrestrial ecosystems, but what about under water?

Which bacterivorous flagellates are major grazers in summer plankton of freshwaters?

Which bacterivorous flagellates are major grazers in summer plankton of freshwaters?

21. 8. 2018.

Small bacterivorous eukaryotes play a cardinal role in aquatic food webs and their taxonomic classification and ecological traits are currently hot topics in aquatic microbial ecology. Despite increasing interest in their diversity, core questions regarding predator–prey specificity remain largely unanswered, e.g., which heterotrophic nanoflagellates (HNFs) are the main bacterivores in...

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