Newsletter

On this page you will find professional articles on practice-oriented subjects as well as current reports and messages from the Eawag water research. If you want to receive news directly via e-mail, you can also subscribe to our newsletter.

Newsletter No 04 2016

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December 15, 2016

In the past, Lakes Zurich and Greifen have repeatedly been affected by blooms of potentially toxic cyanobacteria. This was confirmed by an analysis of sedimentary DNA carried out by Eawag scientists. Read more

November 16, 2016

With the help of modern sensors and the innovative remote data transfer system LoRaWAN, researchers at Eawag are investigating the relationships between precipitation and the resulting drainage processes. It is hoped that the new technology, otherwise known as the “Internet of Things”, will enable wastewater disposal and sewage systems to be run as efficiently as possible, as well as allowing the quality of wastewater and waterbodies to be monitored. Read more

November 3, 2016

Stream and river restoration measures may be showcase projects for conservationists, but – in the absence of systematic monitoring – it is often unclear what benefits they provide for ecosystems. Read more

Newsletter No 03 2016

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September 16, 2016

Switzerland’s lakes are not only diverse ecosystems, but also recreation sites, fishing grounds and energy sources. At this year’s Info Day, the tensions between these competing interests were explored. It was concluded that sustainable management calls for an understanding of the complex interactions occurring in lakes – which in turn requires scientific data and appropriate methods of observation. Read more

September 8, 2016

Biologists at Eawag have described a new amphipod species which is endemic to the Alps. While alpine lakes provide relatively undisturbed habitats for Gammarus alpinus, this species is being displaced by an invasive amphipod in Lake Constance. Read more

August 17, 2016

Political actors tend to perceive their opponents as more influential than they really are, and to overestimate the differences between opposing groups. As a result, policy‑making and the search for feasible compromises become more difficult. This phenomenon, as Eawag political scientists have now shown, is apparent even in a consensus-based democracy like Switzerland. Read more

Newsletter No 02 2016

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April 28, 2016

In the modular experimental building known as NEST, Eawag and Empa – together with industrial and scientific partners – are investigating new forms of living and working, innovative construction methods and energy-efficient technologies. Read more

April 21, 2016

In the last century, the natural reproduction of whitefish and Arctic char in several Swiss lakes was adversely affected by high levels of nutrient inputs. So far, stocking measures have been implemented in efforts to support fish populations and maintain yields. The effectiveness of these measures varies according to the particular species and lake. Read more

April 6, 2016

Environmental engineer Christoph Ort is one of the Eawag scientists whose work has been particularly widely covered in the media over the last few years. His research field – drugs in wastewater – is a magnet for journalists. Read more

Newsletter No 01 2016

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January 28, 2016

A lake’s sediments are a window onto the past – the various layers deposited over time can provide valuable information on changes in local environmental conditions. Read more

January 26, 2016

The outdoor experimental pond facility constructed at Eawag’s Dübendorf site in 2015 is the only one of its kind in Europe. Read more

January 6, 2016

Hydroelectric power plants, weirs and waterfalls are often insurmountable barricades for fish. This can have a significant impact on the genetic structure of the separate populations. Whether and to what extent fish ladders mitigate this negative effect is now being investigated for the first time. Read more

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      Newsletter 2015

      Newsletter No 03 2015

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      September 17, 2015

      After alewife migration had been blocked by the damming of rivers in the Northeastern US, not only did new types of alewife emerge in coastal lakes but a distinct form of pickerel evolved which is specialized for alewife predation. Read more

      October 2, 2015

      According to Jerald Schnoor, emerging challenges in the water sector like water shortage or micropollutants call not only for high-quality research but also for interactive collaboration between scientists and decision-makers. Read more

      October 21, 2015

      What is required to facilitate the adoption of new technologies such as potable water reuse? According to a study carried out by environmental social scientists in California, users need to see not only how an innovation benefits them personally, but also that it is compatible the community’s values and can become a routine part of daily life. Read more

      Newsletter No 02 2015

      Certain Swiss cantons have banned the use of fracking for gas extraction. To explore the factors underlying these decisions, social scientists at Eawag have analysed the policy processes involved. Details of this research are to be found in the third article.

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      June 23, 2015

      The creation of gravel islands can contribute to the success of river restoration projects, as these structures have positive effects on exchanges between groundwater and surface water. Read more

      June 25, 2015

      Chlorination of water in swimming pools leads to the formation of trichloramine, a potentially harmful compound. Read more

      June 25, 2015

      The use of fracking for gas extraction is widely opposed in Switzerland. Despite the almost complete lack of concrete projects, certain cantons have already imposed bans. Read more

      Newsletter No 01 2015

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      March 18, 2015

      With an innovative recycling method, valuable nutrients recovered from urine can be sold as fertilizers. As well as conserving natural resources, this reduces water pollution and makes sanitation systems in developing countries economically more attractive. Read more

      March 18, 2015

      In many regions of Asia, Africa and South America, consumption of groundwater contaminated with arsenic or fluoride causes severe health problems. Read more

      Newsletter 2014

      No. 04 | 11 December 2014

      Eawag researchers are developing a new method for species identification based on eDNA – fragments of genetic material found in all aquatic environments. A description of the method and an explanation of its advantages are given in the first article of this Newsletter.  to the Newsletter


      No. 03 | 1 July 2014

      Environmental social scientists at Eawag have investigated how political decisions are made, taking micropollution as an example. They wanted to identify the major factors in the decision-making process that lead to sustainable and effective solutions. Read more about this subject in the second article in this newsletter.  to the Newsletter


      No. 02 | 29 April 2014

      Switzerland's water infrastructure is beginning to show signs of age. But data on pipe maintenance and replacement is often inadequate, and future requirements are uncertain. Researchers at Eawag have been investigating how, under these conditions, the renewal of water supply and sewer networks can best be planned. More information on this project and other news on the latest water research can be found in this issue of our Newsletter.   to the Newsletter


      No. 01 | 22 January 2014

      Surprisingly little is known about the behaviour and fate of pesticides in the environment – whether and how they are broken down, and what transformation products arise in the process. In this issue of our Newsletter, you can find out where the challenges lie and how Eawag researchers are addressing them.   to the Newsletter

      Newsletter 2013

      No. 02 | 15 October 2013

      Tests involving adult fish are still routinely performed in research and in the chemical industry. Environmental toxicologists at Eawag are therefore developing alternative methods for assessing the toxicity of chemicals: test systems based on cell lines and fish embryos deliver reliable results and are ethically less problematic. In this issue of our Newsletter, you can read about how these tests work – as well as other news on Eawag's research activities.   to the Newsletter


      No. 01 | 8 June 2013

      We are pleased to attach the first issue of the Eawag Newsletter. From now on, instead of a printed copy of Eawag News, you will receive regular news and updates on Eawag's water research by e‑mail. But despite the new format, the content is essentially unchanged – scientific articles on topics of practical relevance written by researchers or the editorial team. In this issue, for example, you can discover how river connectivity for fish is improved when artificial barriers are replaced by block ramps, or how evolutionary ecology can contribute to environmental management.  to the Newsletter