The indicators in the Environmental Data Compendium are updated regularly. Below is the list of the last updated indicators. Using this page, you can easily see which indicators were updated since your last visit.
Result 21 to 30 of 44
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Quality and trends of groundwater-dependent ecosystems, 2017
Indicator | 2 March 2021Sites with moderate or bad groundwater levels are found throughout the country and in all ecosystem types. Marshes, wet heaths and wet grasslands in particular suffer from water… more
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Ecosystem quality and trends in soil pH, 2017
Indicator | 2 March 2021In many ecosystems soil quality is good, measured in terms of soil pH. But soil pH in parts of grasslands and marsh ecosystems is not yet within acceptable levels. In all… more
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Realisation of the national ecological network- land acquisition and conversion, 1990-2017
Indicator | 5 December 2018On 1 January 2017 more than 108,000 hectares of land had been acquired (including change of designated land use) for realising the national ecological network (NEN). Between 2011… more
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Habitat defragmentation measures for infrastructure, 2017
Indicator | 2 March 2021At the end of 2017 114 of the 178 ecological barriers caused by national transport infrastructure had been removed and 46 partly removed by taking mitigation measures, such as the… more
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Spatial connectivity of the national ecological network, 2015
Indicator | 2 March 2021The increase in the total area of wildlife habitat since 1990 has also improved the spatial connectivity of ecosystems in the Netherlands. However, a considerable part of the… more
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Measures for migratory fish, 2018
Indicator | 19 April 2018The construction of dams and pumping stations means that fish migrating from the sea or the major rivers are only able to reach a part of the streams and polder water areas. Fish… more
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Membership of Dutch private nature conservation organisations, 1989-2016
Indicator | 11 October 2017In 2016 the combined membership of the four biggest nature conservation organisations declined slightly. For years the World Wide Fund for Nature (WWF) has had the largest… more
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Angling in the Netherlands, 1990-2015
Indicator | 24 January 2017Over half a million anglers are active members of an angling club in the Netherlands, through a system of fishing passes introduced in 2007.… more
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Ecosystem quality, 2012
Indicator | 2 March 2021An indicator of ecosystem quality is the number of qualifying species present in protected natural areas. A comparison between the periods 2006-2012 and 2000-2005 shows that the… more
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Conservation status and trends in species and habitat types under the Birds and Habitats Directives, 2007-2012
Indicator | 2 March 2021Almost all the habitat types in the Netherlands have an unfavourable-bad to unfavourable-inadequate conservation status. About a quarter of the Habitats Directive species have a… more
