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  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FW-I-1: Tree species composition in forest nature reserves – case study

    The picture shows a near-natural forest with beech trees. In the foreground there is an uprooted tree lying on the ground.

    … there have been indications of shifts in tree species compositions up to 2014, which cannot be attributed to climate-related changes. The majority of stands … by climate change. As far as the second and third observation periods from 2014 to 2018 and from 2019 to 2023 respectively are concerned, the direction of … sylvatica) has continued to increase – albeit to a much lesser extent than prior to 2014. As far as oak species are concerned, a minor decrease, and from 2019 to 2023, …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    WW-I-7: Water levels in lakes

    The picture shows a footbridge leading across the dried-up sandy and stony shore area of a lake. A bridge and some residual water are visible in the background.

    … for each lake a mean value is calculated using the deviations from the index year 2014, for which the water level value is set at ‘0’. This makes it possible to … value for all the lakes concerned on the basis of these deviations. The year of 2014 was chosen as the index year in order to achieve an illustration which is … clearly showed negative deviations of the lake water levels from the index year 2014, there was also a particularly high number of months with non-attainment of the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    BS-R-4: Active emergency relief responders in civic protection

    The picture shows three emergency vehicles operated by the fire brigade and the THW emergency relief organisation: The vehicles are standing on a National Road, one of them is a fire-fighting group vehicle. A man wearing a high-visibility vest and a pair of THW livery trousers can be seen running along the middle gangway.

    … protection The number of emergency relief responders declined between 2000 and 2014, above all owing to a decline in the number of members of fire brigades. Since … Looking at the development of the past two decades, it is clear that up until 2014 there has been a significant decline in the number of active members of fire … the age group of 20 to 25 year olds. For the TWH, the mean of the years 2000 to 2014 amounted to some 41,000 active volunteers. In 2015 the number increased to …

  • 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.

    … For each lake a mean value is calculated using the deviations from the index year 2014, for which the temperature value is set at ‘0’. The values of these deviations are used to calculate the mean value across all the lakes. 2014 is the earliest year for which data are available from all the lakes … For each lake a mean value is calculated using the deviations from the index year 2014, for which the temperature value is set at ‘0’. The values of these deviations …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    HUE-4: Adaptation to climate change at the municipal level

    The picture shows a slightly hilly landscape characterised by agricultural activity. The centre of the picture shows a village embedded in the landscape. In an almost cloudless sky which is already tinged with orange, you can see a low sun wrapping the landscape in a warm light.

    … While in the 2012 survey, 58 % of respondents answered this favourably, by 2014 this proportion had diminished to 41 %, a distinctly lower percentage, and by … the proportion had dwindled to only 30 %. In 2021 this value increased again to the 2014 level. However, as before, the population obviously still perceives notable … While in the 2012 survey, 58 % of respondents answered this favourably, by 2014 this proportion had diminished to 41 %, a distinctly lower percentage, and by …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    HUE-2: Usage of warning and information services

    The picture shows a hand holding a smartphone. The smartphone screen is blue and shows the logo of DWD’s WarnWetter App. In the picture’s background, the black clouds of a thunderous sky are visible.

    … all respondents stated that they make use of warning and information services. In 2014, the outcome of the subsequent survey indicated a sharp increase in usage to 61 … intended to do so in future, had moved in the opposite direction. While in 2012 and 2014, their proportion had still amounted to just 7 %, by 2021 this proportion … all respondents stated that they make use of warning and information services. In 2014, the outcome of the subsequent survey indicated a sharp increase in usage to 61 …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-1: Water temperature in the sea

    The picture shows a view of the surface of the sea from below. The sun’s rays are beaming through the water’s surface. The sea is coloured dark blue to turquoise-green.

    … can be assumed that a warming regime has existed in that part of the Pacific since 2014. 75 75 The highest annual mean temperatures of the North Sea so far – typically … summer months – amounted to 11.0 °C (2003, 2006, 2016, 2020) and above (11.4 °C, 2014), and latterly 11.2 °C (in 2022). The consequences of warming in the North Sea … can be assumed that a warming regime has existed in that part of the Pacific since 2014. 75 75 The highest annual mean temperatures of the North Sea so far – typically …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    GE-I-7: Health hazards from vibrios – case study

    The picture shows an outstretched foot on a sandy beach. There are two abrasions visible above the ankle.

    … or concentration of bacteria. The proportion of positive samples was higher only in 2014 which was another extremely warm year. The highest concentration detected so … with the tolerance spectrum of Vibrio vulnificus. In the years of 2008, 2009 and 2014 the salt content was slightly higher at the point of sampling than in the other … or concentration of bacteria. The proportion of positive samples was higher only in 2014 which was another extremely warm year. The highest concentration detected so …

  • KomPass: Article from 28.11.2023 | Last changed: 11.12.2024

    GE-I-5: Pathogen vectors – case study

    The picture shows a close-up of the Asian Tiger Mosquito in the process of biting a human being.

    … leading to annually approximately 1,500 samplings in the Upper Rhine area from 2014 onwards. As early as 2013, 13 % of all traps and more than 2 % of all samplings … years produced further increases in the number of positive finds. As early as 2014 approximately in 18 % of traps, and in 2017 approximately in 34 % of traps … leading to annually approximately 1,500 samplings in the Upper Rhine area from 2014 onwards. As early as 2013, 13 % of all traps and more than 2 % of all samplings …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    BS-R-2: Precautions taken among the population

    The picture shows an assortment of emergency provisions including groceries such as beans, rice and tinned food, batteries, adhesive tape, toilet paper, tea lights and lighters.

    … In comparison to the outcomes of environmental awareness studies conducted in 2012, 2014 and 2016 as well as the survey conducted in 2021, it becomes clear that the … In comparison to the outcomes of environmental awareness studies conducted in 2012, 2014 and 2016 as well as the survey conducted in 2021, it becomes clear that the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    FiW-I-1:Claims ratio, combined ratio in homeowners’ comprehensive insurance

    The picture shows the top view of a building roofed with red tiles. To the right and left of the roof ridge you can see numerous large hailstones. Some of the roof tiles are broken.

    … as the homeowners’ comprehensive insurance segment is concerned. Between 2002 and 2014 the insurers of homeowners’ properties accumulated an actuarial minus of more … as the homeowners’ comprehensive insurance segment is concerned. Between 2002 and 2014 the insurers of homeowners’ properties accumulated an actuarial minus of more …

  • KomPass: Article from 28.11.2023 | Last changed: 18.12.2024

    BS-R-1: Information on how to act in a disaster situation

    The picture shows a group of two women and two men participating in a First Aid training exercise. The course leader uses a doll to demonstrate cardiac massage.

    … who obtained relevant information, this value had already risen to 52 % in 2014, and amounted to 44 % in 2016. In 2021 the proportion rose to 66 %. Also the … who obtained relevant information, this value had already risen to 52 % in 2014, and amounted to 44 % in 2016. In 2021 the proportion rose to 66 %. Also the …