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Volunteer carrying out a survey in a wetland area

Wetlands such as the Reuss delta in Uri are home to numerous rare bird species.

Gravel areas in the Uri Reuss delta – habitat for the Little Ringed Plover

Wetlands such as the Reuss delta in Uri are home to numerous rare bird species.

Lake Mauen is an area within the wetlands monitoring network

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Volunteer carrying out a survey in a wetland area

Wetlands such as the Reuss delta in Uri are home to numerous rare bird species.

Gravel areas in the Uri Reuss delta – habitat for the Little Ringed Plover

Wetlands such as the Reuss delta in Uri are home to numerous rare bird species.

Lake Mauen is an area within the wetlands monitoring network

Projects

Monitoring of breeding birds in wetlands

We monitor the inhabitants of waters and moorlands

Wetlands such as lake shores, floodplains and reed meadows often harbour a great diversity of species and a particularly high proportion of threatened species. Some species live very secretively, others breed late or nest in colonies. Elaborate special surveys are required in order to determine well-founded population trends. These not only document population developments but also provide important information on the design and maintenance of these special habitats.

Domain Research

Unit Monitoring

Topics Species Recovery, Population Development, Habitat Promotion

Habitat wetlands, rivers & streams

Project start 1990

Project status ongoing

Project management Roman Bühler

Project region Switzerland, Liechtenstein

Details

Project objectives

Our network currently comprises over 100 wetlands across Switzerland and Liechtenstein. The aim is to conduct an annual survey of the breeding populations of typical wetland species in order to obtain a representative sample.

Methodology

The territory mapping method is usually used in Swiss wetlands. This is supplemented to some extent with special surveys such as counts in breeding colonies, night-time stalks and follow-up checks to record breeding success. These recordings make particular demands and require a lot of experience. Six to eight mapping rounds are usually carried out. Due to limited accessibility and respect for conservation objectives, only parts of the area can be surveyed in many cases. Surveys are often carried out by local partner organisations or working groups.

Significance

Wetland surveys often have a long tradition. They document the population trends of a whole range of typical and often endangered wetland inhabitants, as well as numerous species in the adjacent habitats.

Results

The development of the population is summarised in the SBI® Wetlands and Waters. The trends for the individual wetland species are shown in the respective breeding bird index. Extracts showing long-term population trends in individual areas are available on request.

Project partner(s)

Publications

Employees

Monitoring employee

Roman Bühler

+41 41 462 99 27

roman.buehler@vogelwarte.ch

Monitoring employee

Claudia Müller

+41 41 462 97 64

claudia.mueller@vogelwarte.ch

Monitoring employee

Christian Rogenmoser

+41 41 462 97 47

christian.rogenmoser@vogelwarte.ch

Monitoring link

Unit

Monitoring

We monitor the distribution and populations of birds throughout the country.

Learn more

Additional projects

Waterbird counts

Winter census on Swiss waters

Monitoring of selected species

Collecting monitoring data on selected breeding birds

Monitoring of common breeding birds

Population trends among common breeding bird species in Switzerland

Swiss Rarities Committee

Recording of sightings of rare birds

Monitoring of rare breeding and visiting birds

Keeping an eye on rare breeding birds and migrants

Donate

Help the birds of Switzerland.

Your support allows us to monitor stocks, identify problems, develop solutions and provide assistance to endangered species.

Donate Now

We handle the donations entrusted to us very carefully. For many years, the Swiss Ornithological Institute has carried the ZEWO seal of approval for non-profit institutions.