… disrupting this balance. In Germany, only 9 % of rivers and lakes are in good ecological condition, falling short of the European Water Framework Directive … and contributes to climate protection through CO ₂ sequestration in soils. Example: The dike relocation at Sandau Süd on the Elbe River creates 124 hectares of …

… the predators, parasites and scavengers that inhabit the soil, to name just a few examples. A joint initiative of the UBA, Bundesanstalt für Geowissenschaften und … describes how genuinely exciting and multifarious soils are, and also provides practical tips for better soil stewardship. The brochure also contains a glossary, …

… rock that is fractured and comminuted by a vast array of weathering processes. For example, when water penetrates rock cracks and crevices, causing the rock to expand … of soil is driven by many factors. Source: S. Marahrens / Umweltbundesamt Good composition The soil formation processes described above determine the grain … is determined by the relative proportions of clay, silt and sand in the soil. For example, loamy sand is a mixture of all three elements, sand being the main one. …

… conditions are artificially enhanced in order to increase crop yields. But these practices modify natural soil properties in ways that are not always beneficial, in … medium sized pores that can store water for lengthy periods and that promotes good plant aeration, hydration and nutrition. The total water retention capacity of …

… of these functions. last update on 18.02.2014 Soil science is a discipline that is practiced by agricultural engineers, geographers, geologists, and lately … the main beneficiaries of these functions. … Soil science is a discipline that is practiced by agricultural engineers, geographers, geologists, and lately …

… settlement space or agricultural land or to use them for navigation or hydropower (example Rhine in Figure 2). As a result, fewer natural floodplains are available … settlement space or agricultural land or to use them for navigation or hydropower (example Rhine in Figure 2). As a result, fewer natural floodplains are available …

… the development of marine organisms. Indirectly, humans will also be affected, for example through the effects on commercially important species in fisheries and … problem of acidification also affects so-called upwelling areas, which provide a good food source (including for commercially utilised fish species) due to the high … that perform photosynthesis, converting CO ₂  and water into oxygen and energy. Examples of photosynthetically active organisms include seagrasses, algae, and …

… them. The film ends with the camera moving through the town of tomorrow with many examples of sustainable approaches. Associated content Source: Umweltbundesamt … them. The film ends with the camera moving through the town of tomorrow with many examples of sustainable approaches. … Factor X - Intelligent use of natural resources …