… Germany in recent decades. Changes in the seasonal development phases show for the snowdrop, which marks the beginning of early spring, that it flowers three days … birds have arrived 0.5-2.8 days earlier since 1960. Swallows (Hirundinidae) now return on average ten days earlier from warmer areas, starlings (Sturnus … of various amphibian species, e. g. European tree frog (Hyla arborea) , which are now observed earlier in many places. Phenological changes have consequences for the …

… low mountain ranges and lower-lying areas of the Alps, a significant decline in snow guarantee in winter sports areas has been observed over the last 50 years with … in precipitation. In general, different strategies of adaptation to decreasing snow guarantee can be considered: physical, technical and social (behavioural) … of the slopes in winter, additional days can be gained thanks to the higher albedo value of the snow. In snow farming, snow fences are installed to prevent new snow …

… great importance for tourism and offer special nature experience programmes (e. g. guided tours, nature trails). With regard to climate change, it is expected that … great importance for tourism and offer special nature experience programmes (e. g. guided tours, nature trails). With regard to climate change, it is expected that …

… affect groundwater quality because they lower the oxygen content and pH values of the groundwater through increased decomposition of organic matter. … 1.10 metres (each relative to the period 1986 to 2005). It can be assumed that the values for the German North Sea coast correspond to the global sea level rise. …

… flowering period of certain plants (e.g. hazel, alder) and thus the pollen season now begin much earlier than in the past 20 to 30 years. Phenological observations … or fungal species) in the environment can affect human health. Among the better known water-borne and potentially dangerous bacteria are cyanobacteria ("blue-green … flowering period of certain plants (e.g. hazel, alder) and thus the pollen season now begin much earlier than in the past 20 to 30 years. Phenological observations …