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  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-R-2: Land protection dykes without safety deficit – case study

    The picture shows an aerial view of a land protection dyke under construction. In the background, there are agricultural areas and houses as well as standing water visible.

    … be appropriate to set a concrete target for this indicator, as its development is also strongly influenced by several external framework conditions, such as the … funding made available by state parliament, Federal government and the EU; it is also important to remember the influence of the stochastic nature of extreme storm … be appropriate to set a concrete target for this indicator, as its development is also strongly influenced by several external framework conditions, such as the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-R-1: Investments in coastal protection

    In the foreground the picture shows a full loading shovel of a wheeled loader, which is being emptied on to a sandy beach. There are wooden posts and a pile of stones visible on another sandy beach in the background. The sky is covered in dark grey clouds.

    KM-R-1: Investments in coastal protection The requirements for coastal protection … people. Apart from climatic changes, the increased risk in coastal regions is also related to the particular socio-cultural and economic importance of coastal … Furthermore, the coastal areas are highly attractive for people to live there, but also as travel and holiday destinations in view of their high leisure and recreation …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-6: Pumping station performance – case study

    The picture shows the pumping station Steinschleuse on the Eider river. A retaining wall with a bridge and a brick-built house are visible.

    … Some of the lowland areas provide habitats for rare species of plants and animals which makes them of singular importance to nature conservation. Furthermore, … of the rivers Eider and Treene respectively rose to its highest value. This was also the year in which the greatest amount of precipitation fell since 2005 for the … Some of the lowland areas provide habitats for rare species of plants and animals which makes them of singular importance to nature conservation. Furthermore, …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    LW-R-1: Adaptation of management rhythms

    The picture shows a person standing in a field of maize inspecting the leaves of a young maize plant.

    … in the development of plants, the DWD‘s nationwide phenological observation network also collates data on changes in management operations carried out in respect of … been removed. Organisational requirements in individual agricultural businesses may also play a crucial role. Depending on the cultivated area and the extent of a … right moment is crucial for plant development, healthy growth and thus ultimately also for yields. In spring any effects due to management operations will be …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    LW-I-1: Agrophenological phase shifts

    The picture shows apple blossoms covered in frost.

    LW-I-1: Agrophenological phase shifts Agrophenological phase shifts can have both … This circumstance is the reason why the effects of using different varieties are also reflected in the flowering periods observed within the framework of … This circumstance is the reason why the effects of using different varieties are also reflected in the flowering periods observed within the framework of …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-9: Spring algal bloom in lakes

    The picture shows an aerial view of a lake. Its surface is coloured a luminous green in places, owing to spring algal bloom. There are agricultural fields visible in the lake’s vicinity.

    WW-I-9: Spring algal bloom in lakes Spring algal bloom can be captured well by means … by water temperature. An examination of the onset of spring algal bloom reveals relevant changes in water ecosystems, as the spring algal bloom is on one hand … clear-water phase. Increased filtration rates thanks to the presence of mussels can also reduce the amount of phytoplankton. Higher winter and spring temperatures can …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-8: Water temperature in lakes

    The picture shows a mountain lake in glaring sunlight. A mountain chain is visible in the background.

    … water temperature itself, the material changes triggered by the rise in temperature also have a considerable influence on plants and animals in water bodies, also on the composition of species communities as well as on the structures and …

  • KomPass: Article from 28.11.2023 | Last changed: 19.12.2024

    GE-I-1: Heat stress

    The picture a woman´s face with beads of perspiration caused by the summer heat. The woman is holding a hand to her forhead. In the left-hand side of the picture is a thermometer indicating 40°C air temperature.

    … GE-I-1: Heat stress Apart from the increase in annual mean temperature, there has also been a trend towards rising heat extremes, especially since the 1980s. The … rise Apart from the increasing average temperature, climate change will presumably also entail more health problems related to stressful heat events such as more … temperatures impose burdens on health. Most affected are the elderly and individuals with chronic diseases such as cardio-vascular of respiratory diseases. Looking …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    BO-R-2: Permanent grassland terrain

    The picture shows a grassland with mown grass. The mown grass is lying in rows. In the right-hand margin a tractor can be seen turning hay. In the upper margin you can see a hay bale.

    … of organic matter. The conservation of grassland is therefore highly relevant also in terms of climate protection. Furthermore, grassland plays a major role in … cultivation of food crops, animal feed or the cultivation of renewable raw materials. Regions which in those days suffered the greatest absolute losses of grassland … by intensive livestock farming. However, the relative losses were partly also significant in other Länder where grassland use is less widely distributed. The …

  • KomPass: Article from 28.11.2023 | Last changed: 14.01.2025

    FW-R-6: Silvicultural information on the theme of adaptation

    The picture shows two young foresters having a discussion in a sparse forest. The man on the left-hand side of the picture stands with his arms crossed while the other man is gesticulating with his hands. In the background, beams from a low sun are penetrating the forest.

    FW-R-6: Silvicultural information on the theme of adaptation Exchanging knowledge … a rough idea of the intensity of relevant discussions among forestry professionals. Especially in relation to the extreme drought years of 2018 to 2020, there have … tending forests. Action is required not only in state and corporation forests but also in private forests as the latter comprises roughly 48 % of Germany’s entire …

  • 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.

    … soils further the water storage capacity and improve the supply of nutrients. They also improve the trees’ chances of surviving hot periods with poor precipitation … the selection of appropriate provenance (cf. Indicator FW-R-2 ), forestry professionals have additional ways of furthering the adaptability of forests to changing … trees can be enhanced by ample supply of humus. Nevertheless, weather patterns also influence the activity of micro-organisms in the soil. If temperatures rise at …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    GE-I-2: Heat-related mortalities

    The picture shows an elderly woman wearing a white blouse. The lady is holding on to a rollator with one hand, while she is holding the back of her left hand to her forehead. In the background, a few fuzzy treetops or bushes are visible in bright light.

    GE-I-2: Heat-related mortalities For the elderly heat constitutes a major threat to … This fluid loss can lead to dehydration (lack of water in the body) and may also entail diminished viscosity of the blood. These phenomena increase the risk of … in life-threatening impairments of the cardio-vascular system. Groups of individuals particularly at risk include very elderly and sick people, small children and …