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seelabor@igb-berlin.de

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10.09.2018

Light or shadow

How do the conditions set in this year's LakeLab experiment, i.e. skyglow and brownification, affect macrophytes and periphytons? This question is investigated by Ivana Trbojević from the University of Belgrade. The Serbian researcher spends a good four weeks at Lake Stechlin to strengthen the LakeLab team. ... [»]

29.08.2018

Mixotrophic organisms - quite flexible

Ulrike Berninger, Professor of Ecology at the University of Salzburg in Austria, has long been interested in mixotrophic plankton. This refers to the small organisms floating in water that combine the properties of both zooplankton and phytoplankton. Depending on the environmental situation or individual requirements, these unicellular organisms can either take up food particles via phagocytosis or carry out photosynthesis using sunlight. Together with her bachelor student, Elisabeth Schlager, Ulrike Berninger is investigating in this year's LakeLab experiment whether the mixotrophic plankton is influenced by the altered light conditions in the enclosures. ... [»]

20.08.2018

It is impossible to decline such a summer job

When the four students of the TU Berlin heard that IGB would be looking for student assistants for this year's experiment at the LakeLab, they soon became alert. From mid-July to mid-October, Natascha Bürks-Arndt, Tobi Block, Paul Stolz and Markus Zömisch are now joining the LakeLab team. ... [»]

08.08.2018

Introduction of fish into the LakeLab

Fish are an important element in the food web of lakes. This also applies to the experimental enclosures of the LakeLab. However, in this case, the number of fish must be controlled so that the results from the individual cylinders can be compared with each other. Because fish from the lake repeatedly jump into the enclosures, all fish must first be removed with nets from the cylinders before starting a new experiment. Today, 5 small perch were released into each enclosure for this year's LakeLab experiment. The LakeLab team got help from Milan Riha and Jan Hlavac, fish experts from the Czech Republic. ... [»]

06.08.2018

LakeLab experiment 2018 started

The summer experiment at the LakeLab was started today traditionally with a hypolimnic sparkling wine. More than 70 researchers from 16 different nations will participate in the large-scale experiment this year. They examine how a changed light regime affects the organisms in the lake. ... [»]

01.08.2018

LakeLab Summer Experiment 2018

As energy supplier and stimulus of the internal clock, light is of fundamental importance to plants and animals. This also applies to fish and microscopic organisms in lakes. Like other species, they have adapted to the day-night rhythm during evolution. But what happens if a lake is illuminated by artificial lighting at night, or if not enough light penetrates into the water during the day? These questions are examined during this year's summer experiment at the Lake Lab. ... [»]

28.05.2018

dElfi – the intelligent zooplankton analyser

Elfi Huth is the heart and soul of the zooplankton laboratory at IGB Stechlin. Using a microscope, the technician counts the tiny creatures that are invisible to the naked eye – a tedious task requiring patience and an excellent knowledge of the species. Now, however, Elfi Huth is assisted by dElfi, the digital Elfi. ... [»]

25.05.2018

The Wissenschafts-Pressekonferenz on the LakeLab

Today, 15 journalists of Germany’s association of science journalists "Wissenschafts-Pressekonferenz – WPK" visited IGB Stechlin. Founded in 1986, the mission of WPK is to promote quality science journalism. As part of their annual meeting, which took place in Berlin this year, the science journalists also came to Lake Stechlin. They wanted to learn more about the LakeLab and the research at IGB. ... [»]

09.05.2018

Stechlin Swings now mounted in all 24 enclosures

So far, 15 of the 24 enclosures of the LakeLab were equipped with the Stechlin Swing. These tarpaulins help to prevent algal growth on the inner walls of the cylinders. Since all 24 enclosures are needed in this year’s summer experiment, today the remaining 9 cylinders were furnished with the Stechlin Swings. ... [»]

23.03.2018

Knowable Magazine reports on the LakeLab

Nocturnal light pollution is currently one of the hottest topics in ecological research. Now, Knowable Magazine, the digital publication of the renowned journal Annual Reviews, reports in a detailed article about the various research advances on the topic. It also describes the experiments on the effects of skyglow at the LakeLab. ... [»]

20.02.2018

Sampling during the ice experiment

The sunny sky greatly improved the sampling campaign which took place today. It is part of the ice experiment lead by Stella Berger that is currently running at the LakeLab. Before the scientists were able to determine water transparency with the Secchi disk and to collect ice, water and plankton samples, holes had to be cut into the ice. ... [»]

06.02.2018

At last winter at Lake Stechlin

The IGB team around project leader Dr. Stella Berger has been waiting quite a while for these cold temperatures. The scientists were ready to start the scheduled ice experiment at the LakeLab. Now their time has come: Ice forms on Lake Stechlin as well as in the enclosures of the LakeLab. Since ice cover duration of lakes is modified due to climate change, the scientists want to explore the consequences of such ice cover shifts for lake ecosystems. ... [»]

16.01.2018

Nature reports on the LakeLab

For her investigations on the topic of light pollution, the British journalist Aisling Irwin also came to Berlin and Lake Stechlin. She wanted to know more about the IGB research project "Illuminating Lake Ecosystems - ILES" taking place at the LakeLab. It examines how nighttime skyglow affects lakes and aquatic organisms. Together with the co-leaders of ILES, Mark Gessner and Franz Hölker, Aisling Irwin discussed the issue. Now her article has been published in the renowned journal Nature. ... [»]

23.06.2017

Aquacosm: First call for Transnational Access in 2018 is now open

Between January 2018 and December 2020 the EU financed project AQUACOSM — Network of Leading European AQUAtic MesoCOSM Facilities will offer more than 11500 person-days of Transnational Access to more than 37 different European mesocosm facilities ranging from the Sub-Arctic to the Mediterranean and beyond, from mountains to lowlands, from freshwater to estuarine and fully marine systems, and spanning from ultra-oligotrophic to hyper-eutrophic conditions. The IGB LakeLab located in Lake Stechlin is one of the supported research facilities. ... [»]

17.04.2017

Organized by young researchers for young researchers

Every two years, the scientific meeting "Fresh Blood for Fresh Water" appealing exclusively to young aquatic ecologists, is organized by a different research institute or university. This year, the Biological Center of the Czech Academy of Sciences in Budweis hosted the conference from April 9th to 13th. Nearly 60 researchers –master and PhD students as well as young postdoctoral fellows – from many European countries took part. Among those also the two LakeLab researchers Susanne Stephan and Cleo Stratmann. ... [»]

03.04.2017

Consequences of extreme summer storm tested in IGB LakeLab: Turbid prospects for pristine lakes

The frequency of extreme weather events is increasing due to climate change. This includes summer storms, which will disturb terrestrial and aquatic ecosystems more often in the future. Two recent studies by the Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), published in the renowned journals "Ecosystems" and "Global Change Biology", now show that such storms can have dramatic effects on ecosystem processes, especially in pristine lakes where they can cause massive algal blooms. ... [»]

21.03.2017

From Arctic to the Mediterranean

Lakes, rivers, estuaries and oceans are closely connected. Despite this, aquatic research is still divided in marine and freshwater sciences. Now scientists from 19 leading research institutes and universities and two enterprises from 12 countries across Europe aim to change this and have joined forces in the project “AQUACOSM - Network of Leading European AQUAtic MesoCOSM Facilities Connecting Mountains to Oceans from the Arctic to the Mediterranean”. The network will perform the first systematic large-scale experiments in both freshwater and marine ecosystems. The project is coordinated and lead by Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB). ... [»]

26.09.2016

From Costa del Sol to Lake Stechlin

In addition to German and English, Spanish is the most frequently used language at the LakeLab this year. Six Spanish guests, including Professor Maria Segovia Azcorra and her two doctoral students Charo Lorenzo Garrido and Victor Vazquez Manzanares from the University of Malaga, take part in this year's LakeLab experiment on the effects of light pollution. Their special research field is the stress physiology of phytoplankton in marine systems however this summer the three "Málagueños" exchanged the Mediterranean Sea against Lake Stechlin. ... [»]

12.09.2016

Who invented it?

With chocolate, Lucerne Birewegge* and a self-developed respiration system in his luggage, Dany Steiner, technician at the Swiss Federal Institute of Aquatic Science and Technology – Eawag, arrived at Lake Stechlin. His main objectives: To break out from the usual work routine and get insights into the operation of another research institute and at the same time to implement his technique of respiration measurements at IGB Stechlin. By the end of August, he was successfully involved for three weeks with the LakeLab experiment on light pollution before he returned with many new impressions to Lake Lucerne. ... [»]

31.08.2016

At night all researchers are grey

Throughout the LakeLab experiment 2016 samples are regularly taken during day and night. For example, the team of IGB scientist Gabriel Singer gets out once a week shortly before dawn. They focus on aquatic bacteria which are responsible for the decomposition of organic material. ... [»]