Lectures of the Stickleback Day-2021: stickleback of the Baltic Sea (Johan Eklöf, Jolle Jolles)

Lectures of the Stickleback Day-2021: stickleback of the Baltic Sea (Johan Eklöf, Jolle Jolles)

We are in a hurry to please you with new recordings of the reports of our foreign colleagues from the Stickleback Day-2021!

We invite you to get acquainted with interesting lectures from famous researchers of the biology of sticklebacks of the Baltic Sea: in the natural environment and in experiments.

We wish you a pleasant viewing!

Soon we will post the recordings of other lectures, stay tuned! The lectures were conducted in English, but you can enable subtitles, both English and Russian.

Johan Eklöf (Department of Ecology, Environment and Plant Sciences, Stockholm University, Sweden):

“The rise of the stickleback: causes and consequences of the three-spined stickleback increase in the western Baltic Sea”.

The author considers three questions:

1) What reasons influenced population dynamics in this region?

2) Whether it affects other fish species or not?

3) Is there a regime shift in coastal fish communities of the Baltic Sea and could it be short or long term?

Jolle Jolles (Department of Collective Behaviour, Max Planck Institute of Animal Behavior, Konstanz, Germany):

“Experimental insights into the personality and collective behaviour of sticklebacks”.

The main thesis of this report is that animal behavior can be different on both individual and group level, and thus could be dependent on a large variety of factors. In the report author emphasizes that sticklebacks can be bold or shy, sociable or unsociable. To demonstrate this, he performed a large set of experiments via computer vision methods. The experiments also helped to answer the questions whether individual traits, interactions with vegetation and food as well as parasite infection influence individual and group behavior.


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