… examined for April to October, the water temperatures – observed in the 38 lakes and reservoirs distributed throughout Germany – have risen significantly. This applies to both, the lakes in the Alps-and-foothills as well as the reservoirs in the uplands region. The increase in water temperature has far-reaching impacts on chemical, …

… towards rising heat extremes, especially since the 1980s. The number of hot days and tropical nights has increased significantly. As far as heat warnings are … problems related to stressful heat events such as more frequent, more intensive and more persistent heatwaves. High temperatures impose burdens on health. Most affected are the elderly and individuals with chronic diseases such as cardio-vascular of respiratory …

… To date, there is no bundled information available nationwide regarding the extent and intensity of silvicultural advice. The increasing number of articles published … with immense challenges in the next few decades. Numerous practical development and management issues will arise in connection with the adaptation of forests … the choice of tree species, the technical implementation of forest transformation and the adoption of suitable measures for a targeted approach to tending forests. …

… Change last update on 28.11.2023 WW-I-7: Water levels in lakes Little precipitation and high evaporation make lake water levels drop. In both the North German Plain and the area of the Alps-and-foothills, lakes nowadays have less water than they still had in the 1960s. …

… there are distinctly no trends discernible in the time series which is rather short and gappy so far. However, in very warm summers the proportion of lakes with major … Increased concentrations of plant nutrients – especially total phosphorus – in standing water or in slow-flowing watercourses, are the main cause of mass … cyanobacteria have to compete for available nutrients with both higher water plants and with other phytoplankton, thus rarely achieving dominance. Furthermore, some …

… of bed-nights in wider tourism areas In highly seasonal travel areas, diverse and cross-seasonal offers can provide greater independence. Source: Micha Trillhaase … wider tourism areas with the exception of urban-type areas, the seasonality of demand – judging by the number of bed-nights – has significantly decreased. This … precautions against the impacts of climate change, to prepare for coping with them and for adapting to climate change. According to a UBA proposal adopted in 2021, …

… Cultivation of thermophilic crops The cultivation of thermophilic crops such as soy and durum wheat is gaining in interest. Source: Johannes Wilke / stock.adobe.com … crops The cultivation areas used for growing the thermophilic crops of soy and durum wheat are on the increase. The decisive factor for this are the … of warmth are available. LW-R-4: Cultivation of thermophilic crops Source: StBA (land use survey; livestock survey) Cultivation terrain of thermophilic crops is …

… Discharge from coastal watercourses influenced by storm surges Where sea and rivers meet, the interplay of natural forces creates unique natural spaces. In estuarine areas and coastal watercourses, surf and tides interact with the river currents from further inland. Owing to variable …

… surveys of a representative segment of the cliffscape on the peninsula of Fischland on the Baltic Sea coast have every year been showing evidence of a further … Source: StALU Mittleres Mecklenburg (laser flights) Coastlines shift further inland Coastlines delineate a natural border between sea and mainland thus continuously exposing coasts to the force of the water. The …

… out the necessary amount of training exercises adequately, both in terms of time and participants, even in years when extreme events have to be dealt with. The severe flood events of 2013 and 2021 did not affect the training hours attended any more than just negligibly. During the Covid-19 pandemic, the THW focused on maintaining its operating capacity. In 2020 and 2021 …

… achieved in preceding years. LW-I-2: Yield fluctuations Source: BMEL (harvest and farm reporting: special harvest and quality assessment) Drops in yield owing to extreme weather patterns An extended vegetation period, higher temperature totals and higher CO 2 concentrations in the atmosphere are apt to stimulate photosynthesis …

… WW-I-6: Low water The extremely hot and dry summers from 2018 to 2020 led to extremely low water levels in rivers. … degree by individual years with distinctly low water levels. However, the hot and dry summers of the period from 2018 to 2020 subsequently led to three extreme … owing to the storage of precipitation as snow. However, in river basins in upland areas and in the case of rivers in lowlands and plains, low-water levels occur …