URBAN growth, CITIES & towns, BUILDING design & construction, HOUSE construction, RURAL-urban differences, HUMAN settlements
Abstract
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Sebastian Eichhorn, Brigitte Adam, Kerstin Schürholt, Stefan Baumann, Silas Eichfuss, Hendrik Jansen, Theo Kötter, Natascha Rohde, Jan Matthias Stielike, Thomas Terfrüchte, and Johannes Wilberz
Subjects
No net land take policy, inner urban development, land-saving construction, renaturation, survey, North Rhine-Westphalia, Cities. Urban geography, GF125, Urbanization. City and country, HT361-384
Abstract
In line with the European Commission’s target, land take in Germany has to be reduced to net zero by 2050. This not only presupposes greater inner urban development and more efficient development outside existing settlements, but also puts a greater planning and political focus on renaturation. The aim of this paper is to investigate the implementation of no net land take policy using the example of the highly dense and urbanised federal state of North Rhine-Westphalia in Germany. Based on an online survey, the current and potential use of (planning) instruments to implement this policy in all 396 municipalities in North Rhine-Westphalia was investigated. The findings suggest that the municipalities are not yet in a position to consistently implement no net land take. Particularly in the field of renaturation, this is often due to a lack of experience and uncertainties in the use of the existing (planning) instruments, but also to lacking awareness of the problem and a lack of political and social acceptance for higher housing densities. Since the necessary instruments are defined in current legislation and the concepts for implementation are generally known, it is important to support municipalities in using the available instruments and concepts even without direct pressure to act.
Inner urban development, Building construction activity, Global human settlement, Census 2011, Classification analysis, North Rhine-Westphalia, Cities. Urban geography, GF125, Urbanization. City and country, HT361-384
Abstract
Strengthening inner urban development is a guiding principle of Germany’s sustainability policy and the key to achieving the 30-hectare target. To date, however, it is hardly possible to determine retrospectively the share of building construction activity realized as inner and outer urban development. On the one hand, there is the genuine fuzziness of the inner urban area (Innenbereich) as a spatial construct, and on the other hand, there is the lack of available small-scale data on building construction activity. Against this background, this paper presents for the first time a methodological approach to determine and evaluate the relevance of inner urban development for large areas and over longer periods of time for Germany. The method is applied for the federal state of North Rhine-Westphalia and the housing construction activity from 1979 to 2011. The result shows a positive trend, indicating that cities and municipalities have succeeded in realizing more housing as inner urban development over time. At the same time, significant differences between urban and rural areas are apparent. A central conclusion is therefore to support smaller municipalities in their efforts for more inner urban development.