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  • DzU article from 04.11.2025 | Last changed: 05.11.2025

    Indicator: Landscape dissection

    A graph shows the undissected low-traffic areas with a minimum size of 100 km² as a percentage of Germany’s total land area for 2000, 2005, 2010 and 2015 and the target value. Due to differences in methodology, the values are not directly comparable.

    … in Bosch & Partner et al. 2013, for 2015 in SSP Consult Beratende Ingenieure GmbH 2018. The scheduled counts for the summer of 2020 could not take place due to the … can be requested at BfN, in German only). SSP Consult Beratende Ingenieure GmbH 2018: Erstellung eines bundesweiten Straßennetzes mit modelltechnisch ermittelten … in Bosch & Partner et al. 2013, for 2015 in SSP Consult Beratende Ingenieure GmbH 2018. The scheduled counts for the summer of 2020 could not take place due to the …

  • KomPass: Article from 28.11.2023 | Last changed: 18.11.2025

    FW-I-6 + 7: Endangered spruce stands and spruce bark beetle

    … events lead to increased volumes of damaged timber. After the drought years of 2018 to 2020, the volume of beetle-damaged timber was 189 times as high as the … of individuals – and thus the damage potential – exponentially. In years such as 2018, a female beetle can raise a six-figure number of offspring 117 . The area of … first increased moderately but ‘exploded’ eventually owing to the drought years of 2018 to 2020. Compared to the average for the period of 1998 to 2017, a 189-fold …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    BD-I-3: Temperature index of butterfly species communities

    The picture shows a wall brown butterfly spreading its wings while sitting on a violet-coloured blossom.

    … compared to psychrophilic species. Especially the extraordinarily warm years post-2018 have contributed to an increase in the temperature index of butterfly … a steady increase in the index is evident. The above-average warm years from 2018 onwards favoured especially the thermophilic species thus entailing a distinct … compared to psychrophilic species. Especially the extraordinarily warm years post-2018 have contributed to an increase in the temperature index of butterfly …

  • KomPass: Article from 28.11.2023 | Last changed: 19.09.2024

    Cluster Woodland and forestry

    The picture shows a coniferous forest. The bark-free trunk of a damaged spruce tree is visible in the foreground. In the light-coloured wood of this tree the distinct frass traces of a bark beetle are clearly visible.

    … and its proper management is to be safeguarded. The heat and drought years of 2018 to 2020 as well as 2022 have demonstrated with unprecedented clarity to what … especially in areas with site-inappropriate growing stock. The drought years of 2018 to 2020 later demonstrated the momentous scope of the problem. There was … amounted to almost the same percentage as in 1991 after hurricane Lothar. Up until 2018 the peak values of unscheduled or arbitrary use of damaged timber had been due …

  • KomPass: Article from 28.11.2023 | Last changed: 12.12.2024

    FW-R-1: Financial support for forest transformation

    The picture shows young beech tree trunks enveloped in individual tree guards for protection from frass. A dense coniferous forest is visible in the background.

    … individual budgetary sources. In the aftermath of the devastating drought years of 2018 to 2020, in particular the Federal government and the Länder have made … of otherwise spontaneous natural regeneration. Following the devastating drought of 2018 until 2020 it was necessary to reforest an area of roughly 285,000 ha 118 ; by … conversion measures under specific programmes with state funds only. At the end of 2018 GAK agreed a new funding eligibility status entitled ‘Funding for remedying …

  • KomPass: Article from 28.11.2023 | Last changed: 17.12.2024

    VE-I-3: Heavy rain impacting on roads

    The picture shows a gully on a flooded road. The waterspout indicates where the gully is located. There are safety cones beside the gully. A car wheel is visible at the very edge of the picture.

    … 164 - LAWA – Bund/Länder-Arbeitsgemeinschaft Wasser (Hg.) 2018: LAWA-Strategie für ein effektives Starkregenrisikomanagement. Erarbeitet von … Hafer M., Junghänel T., Klameth A., Lengfeld K., Walawender E., Weigl E., Becker A. 2018: RADKLIM Version 2017.002: Reprozessierte, mit Stationsdaten angeeichte … 167 - LAWA 2018, cf. endnote no. 164 Associated content Documents VE-I-3 Indikator-Factsheet …