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  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BD-I-1: Phenological changes in wild plant species

    The picture shows a coltsfoot plant in flower while the plant is peeking out from under snow cover.

    … the comparative period of 1981 to 2010 with the starting points of the period from 1992 to 2021, the following pattern emerges: Regarding the phenological seasons from … significant. This means that especially the early autumn in the mean of the years 1992 to 2021 was approximately 17 days longer than in the reference period 1951 to … to approximately 90 days whereas the beginning and end of summer in the period 1992 to 2021 was on average approximately twelve days earlier than in the reference …

  • 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.

    … which has been conducted by the Thünen-Institute for Baltic Sea Fisheries since 1992, in order to identify the abundance of herring larvae stocks in the … prior to that, herring progeny had suffered several bad years. This is true for 1992 and 1993 when recruitment was not very successful. The winter of 1991 / 1992 was unusually mild, followed by comparatively warm weather in spring 1992. …

  • 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.

    … the trees’ chances of surviving hot periods with poor precipitation levels. Between 1992 and 2021 the humus reserves in Germany’s forest soils increased. However, this … the trees’ chances of surviving hot periods with poor precipitation levels. Between 1992 and 2021 the humus reserves in Germany’s forest soils increased. However, this …

  • 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.

    … as there are distinct matches between the two data sets. In the years of 1976–1977, 1992–1993, 2004–2006 and 2019–2021, when the time series clearly showed negative … as there are distinct matches between the two data sets. In the years of 1976–1977, 1992–1993, 2004–2006 and 2019–2021, when the time series clearly showed negative …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    KM-I-5: Change of flow direction

    The picture shows a river running through a flat landscape consisting of meadows and agricultural areas. The sea is visible in the background.

    … seawater up the coastal watercourses. In northern parts of Germany, the summers of 1992, 2003, 2018 and 2019 were characterised by extraordinary heat and low … seawater up the coastal watercourses. In northern parts of Germany, the summers of 1992, 2003, 2018 and 2019 were characterised by extraordinary heat and low …

  • Press release 13/2020 from 20.03.2020 | Last changed: 27.03.2020

    UBA names water body type of the year 2020

    Ein kleiner Bachabschnitt fließt durch ein Waldstück

    … names the water body of the year on World Water Day, which was launched by UNESCO in1992. The theme of this year's World Water Day is "Water and Climate Change". The …

  • Article from 15.04.2025 | Last changed: 25.04.2025

    The 1.5°C goal of the Paris Agreement

    Lettering 1,5 degrees Celsius

    … agreed on in 2015 as part of the Paris Agreement, but its roots go back further: In 1992, the United Nations Framework Convention on Climate Change (UNFCCC) was adopted … agreed on in 2015 as part of the Paris Agreement, but its roots go back further: In 1992, the United Nations Framework Convention on Climate Change (UNFCCC) was adopted …