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KomPass: Area of action climate impact from 15.07.2022 | Last changed: 17.12.2025

Climate Impacts: Field of Action Soils

… and thus increases the risk of soil erosion. This applies in particular to soils that are compacted and temporarily without plant cover. Sloping areas with sand-rich … Since a severely dried-out soil initially has poor water absorption capacity when precipitation begins, surface runoff occurs, taking soil particles with it. … vegetation cover. Sandy soils in particular are highly susceptible to wind erosion, less soils with high humus content. Soil type and humus content also affect the …

KomPass: Area of action climate impact from 06.07.2022 | Last changed: 08.01.2026

Climate Impacts: Field of Action Human Health

A baby hand holding the finger of an adult

… much earlier than in the past 20 to 30 years. Phenological observations have shown that the start of hazel and alder flowering was up to 26 days earlier between 1961 … temperature. Especially in nutrient-rich waters, they can proliferate en masse when temperatures are warm. A climate change-induced increase in water temperatures … of the ozone layer. The ozone layer is the layer in the stratosphere that more or less absorbs solar UV radiation. Low-ozone events have occurred more frequently in …

KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

Effects chain – Example presentation from the ‘transport' action field

… Germany is experiencing an increase in the frequency of hot and dry years. When high temperatures occur in tandem with negligible precipitation in summer as … with responsibility for the inland shipping sector, in order to configure a more reliable and future-proof design of the requirements for goods transport on the …

KomPass: Article from 28.11.2023 | Last changed: 08.12.2025

Cluster Coastal and marine protection

The picture shows a sectional view of a wild sea with waves crashing over projecting posts. The sky is tinged with orange and covered in dark clouds. Here and there rays of sunshine are breaking through the cloud cover.

… regions are concerned – in particular estuaries, coastal watercourses and lowlands that are partly below sea level – sea level rise without recourse to countermeasures … Very direct impacts are visible in terms of rising sea levels along the coastlines. When waves and storm surges increase in height as they break on the shore, they gain … increase in loads on, or the failure of, coastal protection structures. Nevertheless, the risk assessment for such climate change impacts is subject to low …

KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

WW-R-2 + 3: GAK funds for and investments in flood protection

… clearfelling of alluvial forests and property development in flood plains entail that the topography of the landscape is less able to retain floodwater thus accelerating discharge into water bodies. It is … be updated by those Länder which are responsible for floodwater precautions; this work has to be done taking into account the anticipated impacts of climate change. …

KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

KM-I-3: Height of storm surges

The picture shows a storm surge wave breaking over a coastal building. A metal mast is visible in the background.

… regions, storm surges are among the greatest natural hazards. Storm surges occur when strong onshore wind pushes large volumes of water towards the coast. Storms and … Sea due to climate change provides storm surges with a better starting point so that water masses can mount higher as they reach the shore. In the estuaries, the … not mean that this will necessarily lead to more frequent storm surges, it nevertheless indicates that storm surges – assuming otherwise equal meteorological framework …

KomPass: Article from 20.09.2019 | Last changed: 22.10.2019

GoApply

… the Alpine Region . This brochure presents good examples of participation practice when adapting to climate change in the Alpine region. Above all, it is aimed at … be designed jointly with all relevant actors on the ground from the outset, so that learning processes are initiated and actors are motivated to base their actions … barriers intends to provide empirical information as a basis for generalization and lesson-drawing regarding adaptation implementation on the local and regional level …

KomPass: Article from 28.11.2023 | Last changed: 20.01.2025

GE-I-3: Birch pollen burdens

The picture shows a birch blossom with its pollen distributed by the wind.

… dependent on the weather pattern or the climate. Higher temperatures, especially when combined with drought, and an extended vegetation period favour longer periods … are air-borne as well as higher pollen concentrations. It is also conceivable that the allergenicity of pollen may increase as a function of temperature rise. … remaining in the ambient air for a long time. In parts of Uckermark and Vorpommern less than 70 litres of rain fell locally per square meter in 2019. In spring 2020 …

KomPass: Area of action adaptation from 06.01.2023 | Last changed: 07.01.2026

Adaptation: Field of Action Biological Diversity

… tolerance range, the species may become extinct in the affected area. Factors that can make it difficult for species to evade (migrate) to new habitats are the … and migration movements. In the mountains, animals can migrate to higher altitudes when it becomes too warm for them. However, the higher the animals migrate, the … be created through the development and implementation of a functional biotope network, thus enabling organisms to adapt to climatic changes. Existing habitats of …

KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

FI-I-2: Herring larvae in the Greifswalder Bodden

The picture shows herring spawn. It is possible to see six transparent eggs adhering to each other, with larvae inside.

… Bodden. As a result, their larvae depend earlier on external food which at that time is not yet available in sufficient quantities. Since the beginning of the 2000s, herring reproduction has been distinctly less successful than in the 1990s and consequently, herring stocks have been … in fisheries. On one hand, water temperatures determine the point in time when adult herring leave the Oresund to migrate to their spawning grounds. If a …

KomPass: Article from 28.11.2023 | Last changed: 08.12.2025

Cluster Fisheries

The picture shows a crab trawler in the North Sea. There is a beam trawl hanging down from the ship’s side. In the background, the shoreline and a lighthouse are visible.

… sector. However, in coastal regions deep-sea fishing is a major employer. Nevertheless, deep-sea and inland fisheries such as pond farming are considered cultural … water temperature has a direct influence on the health and size of fish stocks. When a species’ thermal optimum is exceeded, fish and other aquatic organisms suffer … temperatures, the phenology of one of the species concerned is changed so much that the prey is no longer available at the point in time when they are needed by …

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.

… change and humus, it is important to remember that also climate change has a direct bearing on the humus contained in soils. On one hand, higher temperature can … while on the other hand, it can also have humus-increasing effects, for example when plants form more biomass owing to the higher temperature, thus increasing the … On agricultural soils, options include utilisation as grassland, application of farmyard manure, cultivation of catch crops or incorporating / leaving harvest and root …