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 54
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Quality and trends of groundwater-dependent ecosystems, 2017
Indicator | 5 December 2018Sites 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 | 5 December 2018In 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 | 5 December 2018At 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 | 5 December 2018The 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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Land footprint, 1990-2013
Indicator | 15 February 2018The amount of land required for Dutch consumption totaled about two and a half times the surface area of the Netherlands in 2013. About 0.5 hectares was used per person. Almost 80%… 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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Nitrate in upper groundwater under agricultural land, 1992-2015
Indicator | 29 March 2017Average nitrate concentration in groundwater in the Sand Region has diminished to levels close to the Nitrates Directive. The four-year average of nitrate concentrations in… 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
