Monitor of settlement and open space development

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Map view for the indicator “Proportion of settlement and traffic area in area” (2019).

The Settlement and Open Space Development Monitor ( IOER Monitor ) is a specialist information system on questions of land use in Germany. Since 2010 it has been providing information on the structure of land use and its development as well as on the quality of the landscape in high spatial resolution for the terrestrial territory of the Federal Republic of Germany on the basis of indicators . The IOER Monitor thus supplements the official land statistics and the overall environmental and economic accounts with basic information for evaluating land development, particularly with regard to its sustainability.

The Monitor of Settlement and Open Space Development is a permanent, scientific and free-of-charge service provided by the Leibniz Institute for Ecological Spatial Development (IOER) in Dresden and part of its research-based policy and social advice. It is therefore also known as the IOER Monitor. The monitor is gradually being supplemented with new time segments and indicators in order to be able to assess the condition and the development of areas throughout Germany. The IOER uses the most precise geotopographical data of Germany (ATKIS Basis-DLM) for all land use indicators, the digital land cover model (LBM-DE) for the indicators hemerobia and degree of naturalness, official house borders (HU-DE) and house coordinates (HK-DE) for the Building indicators as well as specialist geospatial data (protected areas, legally defined flood plains), population grids (from the 2011 census) and statistical data (population, GDP) that are processed in combination.

Range of functions

Almost 80 indicators of the categories settlement, open space, traffic, building, landscape quality (eg “ hemerobia index” , “ecotone density” ), landscape and nature conservation , ecosystem services , population , risk and relief are offered. For each indicator, the calculation method and the meaning are shown in a data sheet. Recurring, central terms are explained in a glossary.

The following options are available for the output of the indicators:

  • Maps based on vector data with different spatial dimensions (municipal to federal level)
  • Maps based on grid data with high spatial resolution (up to 100 meters grid width)
  • Tables and development graphs for all indicators (export of table values ​​in CSV file format )
  • Individually designed cards with storage option and results sent by email (modification of color values ​​and number of classes possible)
  • Area and time comparisons as well as statistical evaluations.

The web map service (WMS) offered can be used to integrate the grid maps (100 meters grid width) into your own GIS environments.


The IOER-Monitor provides information on the condition and development of the limited availability and needy protection of the surface or soil. They serve as a basis for evaluations and are particularly important for land budget policy and spatial and specialist planning at all levels (federal, state, planning regions, districts and municipalities). With the IOER monitor, for example, variables such as surface sealing , population density , the traffic area per inhabitant and the accessibility of urban green spaces can be displayed and compared. This information is also of interest to science, business, interested private users and the media and can be accessed at any time on the Internet. In the Federal Government's 3rd Geo-Progress Report, the IOER Monitor is listed as an "excellent example of open government". Furthermore, Germany is classified as a European leader in the survey and monitoring of the land use structure based on the analysis results of the monitor. After being selected by a jury, the IOER Monitor was able to present itself to the general public as a service for responsible future design at the Week of the Environment (2016).

By providing information on the development of settlement and traffic areas, the IOER-Monitor makes a contribution to the national sustainability strategy of 2002. In it, the federal government set the goal of reducing land consumption through settlement and traffic use in Germany to 30 hectares per day by 2020 (30 -Hectare target). In order to evaluate the achievement of this goal, an exact and up-to-date area monitoring is necessary.

Web links

Individual evidence

  1. G. Meinel, T. Krüger: Methodology of a land use monitoring based on the ATKIS-Basis-DLM. In: Cartographic News. 6, 2014, pp. 324-330.
  2. a b G. Meinel ao: Current trends in land use development, new indicators and functionalities of the IOER monitor. In: G. Meinel, U. Schumacher, M. Behnisch (Ed.): Land use monitoring VI - interior development, prognosis, data protection. (= IOER publications. 65). Rhombos-Verlag, Berlin 2014, pp. 35–43.
  3. Link to the map
  4. Link to the map
  5. Federal Ministry of the Interior: 3rd Geo-Progress Report. ( Memento of January 22, 2015 in the Internet Archive ) 2012, pp. 58–59.
  6. ^ German Federal Environment Foundation: IOER Monitor on Environment Week. 2016.
  7. Federal Government: Perspectives for Germany - Our Strategy for Sustainable Development. 2002, p. 99.