Access to previous data

Until the end of 2015, BDM comprised a total of 34 indicators largely based on third-party-program data. These indicators are no longer updated as of 2016. For the latest published versions please click on the appropriate link.


Pressure indicators

E2: Size of Areas of Defined Use

Change in total area accounted for by individual land uses in Switzerland.

> Last update: December 2015 (Data: 1979–2009)
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E3: Size of wilderness areas

Change in the total number of wilderness areas in Switzerland.

> Last update: December 2009 (Data: 2009)
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E4: Length of linear landscape features

Change in the length of rivers, streams, hedgerows and woodland perimeters per square kilometre.

> Last update: December 2010 (Data: 1979–2009)
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E5: Diversity of Land Use and Land Cover

Change in the heterogeneity of the countryside per square kilometre.

> Last update: December 2015 (Data: 1985–2009)
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E6: Nutrient supply in the soil

Changes in the mean of nutrient indicator values of plants in 10m2 grid squares.

> Last update: December 2015 (Data: 2001–2014)
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E7: Intensity of Agricultural Land Use

Change in domestic agricultural production in relation to the total area under production.

> Last update: April 2013 (Data: 1979–2011)
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E8: Forest area dominated by non-indigenous trees

Change in the proportion of woodland featuring non-indigenous tree species (exotics) or dominated by such species (over 50% exotics).

> Last update: December 2015 (Data: 1983–2013)
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E9: Area of artificially regenerated young woodland

Change in artificially rejuvenated woodland as a proportion of the total area of rejuvenated woodland (artificial and natural) in the territory in question.

> Last update: December 2015 (Data: 1983–2013)
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E10: Deadwood

Changes in the volumes of standing and lying deadwood in Switzerland as a whole and its individual regions.

> Last update: December 2015 (Data: 1993–2013)
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E11: Volumes of water withdrawn from watercourses

Extraction of water >20% from watercourses under average low-water conditions.

> Last update: February 2009 (Data: 2009)
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E12: Proportion of adversely affected watercourses

Change in the total number of watercourse sections with artificial embankments and engineered beds as a proportion of all watercourses.

> Last update: September 2015 (Data: 2010)
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E13: Water quality

Change in the content of inorganic and organic substances and in the water temperature in Swiss watercourses and captive water. Change in the proportion of waterways that are within the legal limits or do not exceed them by more than 50%.

> Last update: October 2010 (Data: 1976–2005)
> Download last data sheet

E15: Landscape Fragmentation

Changes in landscape fragmentation of the terrestrial expanse below 2,100 meters above sea level in Switzerland and its biogeographical regions.

> Last update: 2009 (Data: 1935-2007)
> Download last data sheet


State indicators

Z1: Number of Livestock Breeds and Plant Varieties

Change in the number of all domesticated livestock breeds and agricultural plant varieties recognized in Switzerland.

> Last update: December 2015 (Data: 1979–2009)
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Z2: Proportion of Livestock Breeds and Plant Varieties

Change in the proportion of livestock breeds and plant varieties within the total population/total production of the breed/variety in Switzerland.

> Last update: December 2015 (Last update: 1999–2013)
> Download last data sheet

Z3: Species Diversity at National and Regional Level

Change in the total number of species of selected taxa living in the wild.

> Last update: July 2014 (Data: 1900–2013)
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Z4: Number of species in Switzerland facing global extinction

Change in the total number of globally endangered species occurring in Switzerland

> Last update: July 2015 (Data: 1990–2015)
> Download last data sheet
> Appendix: List of species in Switzerland facing global extinction, 1990 - 2015  (PDF)

Z5: Change in the Endangerment Status of Species

Number of species now less endangered in Switzerland minus number of species now in greater danger.

> Last update: October 2015 (Data: 2015)
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Z6: Population Size of Endangered Species

Change in population size of species endangered worldwide, in Europe or in Switzerland.

> Last update: May 2013 (Data: 1990–2013)
> Download last data sheet

Z7: Species Diversity in Landscapes

Change in the mean species diversity of selected species per 1km2.

> Last update: May 2015 (Data: 2001–2015)
> Download last data sheet
> Appendix X: Influence of Migratory Butterflies on Butterfly Species Numbers (PDF, 0.3 MB)
> Appendix Y: Butterfly Species Standing for High Species Diversity (PDF, 0.2 MB)
> Appendix Z: Modeled Species Diversity Maps (PDF, 0.5 MB)

Z8: Population Size of Common Species

Change in population sizes of common species in Switzerland.

> Last update: August 2015 (Data: 2001–2015)
> Download last data sheet
> Complete breeding bird species list
> Complete butterfly species list
> Complete vascular plant species list (Z7)
> Complete vascular plant species list (Z9)
> Complete moss species list
> Complete mollusk species list

Z9: Species Diversity in Habitats

Change in average species diversity of selected species within 10m2 areas.

> Last update: May 2015 (Data: 2001–2015)
> Download last data sheet

Z10: Size of Valuable Habitats

Change in the size of habitats of national importance.

> Last update: March 2013 (Data: 2013)
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Z11: Quality of Valuable Habitats

Change in the mean quality of each of the valuable habitat types.

> Last update: April 2014 (Data: 1997–2006)
> Download last data sheet

Z12: Diversity of Species Communities

Change in the diversity of Species Communities.

> Last update: May 2015 (Data: 2001–2014)
> Download last data sheet


Response indicators

M1: Size of Protected Areas

Change in size of nature conservation areas protected by law.

> Last update: March 2013 (Data: 1991–2013)
> Download last data sheet

M2: Size of Secure Protected Areas

Change in size of areas of national importance which are protected at cantonal level and where relevant protection measures are enforced.

> Last update: August 2011 (Data: 2011)
> Download last data sheet

M3: Endangered Species Living in Protected Areas

Total number of threatened species whose current occurrences are confined to national protected areas at no less than 50% proportionate to the total number of threatened species belonging to the same taxonomic groups in Switzerland.

> Last update: December 2015 (Data: 2015)
> Download last data sheet

M4: Biodiversity priority areas

Changes in the sum of all areas designated to contribute to preserving and promoting species and habitat diversity in agriculture, the adequate use of which is secured by contract. Changes will be monitored for Switzerland as a whole as well as broken down by area types and by individual cantons.

> Last update: July 2014 (Data: 1999–2012)
> Download last data sheet

M5: Areas farmed organically

Change in total area used by organic farms in Switzerland.

> Last update: February 2014 (Data: 1993–2012)
> Download last data sheet

For current BDM results please go to the FOEN website

Environmental indicators

BDM data are also used for one of the Federal Council’s legislature indicators (in German, French or Italian only).

Legislature indicator