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  • KomPass: Article from 28.11.2023 | Last changed: 19.09.2024

    Cluster Soil

    The picture shows a person kneeling on a ploughed field. Scrutinising the dark-brown soil with their eyes, the individual lets it trickle from one hand to the other.

    Cluster Soil Soil Source: maxbelchenko / stock.adobe.com 2023 Monitoring Report on the … and floodwater hazards while providing us with clean groundwater. Fertile soils are essential for successful agricultural production. Likewise, healthy soils are a … as water storage and landscape cooling – only provided they are protected from overbuilding and sealing of surfaces (cf. Indicator RO-R-5 ). This is the reason why a …

  • KomPass: Article from 28.11.2023 | Last changed: 05.01.2026

    BO-R-1: Humus contents in soils of arable land and grassland soils

    The picture shows a hand forming a small mound of dark-brown, humus-rich soil.

    BO-R-1: Humus contents in soils of arable land and grassland soils Humus is regarded as ‘black gold’ which … that depending on site and land use, developments can vary substantially. In grassland, humic contents are generally higher. In arable fields, an increased … induced by changes in land use 100 . The contents of organic matter in soils are essentially dependent on site-typical circumstances (such as type of soil and the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    BO-I-1 + 2: Soil water in agriculturally used soils and in forest soils

    BO-I-1 + 2: Soil water in agriculturally used soils and in forest soils 2023 Monitoring Report on the German Strategy for … balance and mineral balance of the soil. If precipitation scenarios change as a function of climate change, this will have consequences for soils, no matter whether …

  • KomPass: Article from 28.11.2023 | Last changed: 08.12.2025

    Cluster Building Sector

    The picture shows an artificial watercourse which runs past a block of flats in a newly developed housing estate. There is a road crossing the watercourse. The watercourse is edged with a narrow strip of vegetation consisting of grass, young trees and flower beds. Benches offer seating.

    Cluster Building Sector Building Sector Source: Stephan / stock.adobe.com 2023 Monitoring … areas available for flooding help to reduce pressure on the sewage system and to avoid the inundation of settlement areas. At the same time. water retained … projects targeting the maintenance and development of publicly accessible green and open spaces. Within the framework of DAS the BMUV launched a programme entitled …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BAU-R-3: Investments in the energetic refurbishment of building envelopes

    The picture shows a covered roof structure with insulation installed on its left-hand side.

    BAU-R-3: Investments in the energetic refurbishment of building envelopes Insulation of roofs and façades as part of energetic … and enhancement of an urban green-blue infrastructure is one approach towards avoiding or at least mitigating heat stress. Other measures approach the issue by … the impacts of climate change. The structural adaptation of buildings in Germany is essential – especially in view of ever increasing extreme weather events such as …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FW-R-3: Humus reserves in forest soils

    The picture shows the soil profile of a forest. The A (or upper) horizon is formed by a massive humus layer. The surface is covered in twigs, cones and needles.

    FW-R-3: Humus reserves in forest soils Humus is essential for storing water and nutrients and for increasing the … massively from the middle of the past century onwards, thus enabling them to build up both biomass and humus reserves. Research projects undertaken in the region …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BAU-R-4: Density of extended natural hazard insurance for buildings

    The picture shows a village consisting of single- and multi-family houses in a valley. The river flowing through the village has burst its banks and its brown water has inundated the low-lying parts of the village. The usual river course can be recognised by means of tree lines. In addition, you can see a destroyed bridge which used to cross the river.

    BAU-R-4: Density of extended natural hazard insurance for buildings Insurance for damage from natural hazards to buildings is precautionary … refurbishment of damaged residential buildings and on the replacement of damaged or destroyed building components. After the 2021 flooding disaster in the …

  • KomPass: Article from 21.06.2021 | Last changed: 19.11.2025

    BAU-R-5: Insurance density natural hazard insurance residential buildings

    The picture shows a housing estate with a single-family house. A mudslide is pouring over the street in front of it.

    BAU-R-5: Insurance density natural hazard insurance residential buildings A natural hazards policy provides cover including for damage caused by … of damaged residential buildings and for the replacement of damaged or destroyed components of buildings. The damage caused by floodwater in June 2013 in …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    RO-R-4: Priority and restricted areas reserved for special climate function

    Looking over the top of a woodland, the picture shows the skyline of Frankfurt am Main. Skyscrapers and the tv tower rise high above the landscape. In the background, the Taunus mountain range is visible.

    … on 28.11.2023 RO-R-4: Priority and restricted areas reserved for special climate functions Priority and restricted areas reserved for special climate functions … in bio-climatic stress situations by designating climatically important large-scale open areas as priority and restricted areas reserved for specific climate functions, … aeration of locations exposed to climatic stress or air-quality stress are to be avoided in those areas. Their implementation is permitted only in cases where …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    RO-R-5: Increase in settlement and transport areas

    The picture shows the construction of a new road. The partly finished road foundation is visible. In the foreground the foundation is still being completed whereas in the background it is already sealed. Half-way along the site a vibratory plate is standing. To the left of the new road, mounds of earth are visible - behind those a treeline. In the background, the roofs of a residential area are visible.

    … to provide temporary water retention services. Alluvial meadows free from building developments give rivers space to expand and can take pressure off the … meadows and arable land than in residential areas. Air channels such as parts of open valleys transport the cool air to neighbouring residential areas thus … 2018 to 2021 amounted to ‘ just’ 55 ha per day. There are several reasons for this. Essential regulations were tightened up in the construction and planning law. At …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    RO-R-6: Land use for settlements in officially designated flood plains

    The picture shows a building pit where the walls of a cellar have already been built. Steel girders are seen supporting wooden beams which extend across the ceiling of the cellar. The bottom of the building pit is filled with brown muddy water reflecting a tree.

    … In spite of the existing flood water hazards, settlement pressure is so high that building continues even in flood plains, thus counteracting the regulation laid down … In connection with climate change, it is a particularly important and increasingly essential task of spatial planning to make appropriate provision for potential … For instance, according to the Monitor of the Development of Settlement and Open Spaces 226 maintained by the Leibniz Institute of Ecological Urban and Regional …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    RO-R-1: Priority and reserved areas for nature and landscape

    The picture shows a meadow with flowers in various colours and small trees in the foreground. A woodland is visible on the horizon. The sky is partly cloud-covered.

    … as well as extreme events will affect various components of ecosystems, impacting functions such as the nutrient balance, habitat structures or the available food … In these circumstances, a functioning compound system or network of biotopes is essential for the survival of specialised species which require specific locations and habitats. In a contiguous network of ecologically significant open spaces, species are able to explore and colonise new, climatically more …