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The development of residential areas in the context of settlement development is a significant driver regarding land use and thus critical in achieving the goal of reduced new land use to less than 30 hectares per day by 2030. Although spatial planning and spatial science have been addressing this issue for years, e.g. through consistent land management, the current land use in Germany amounts to around 52 hectares per day (as of 2019). This is i.a. because the control of settlement development often only intervenes in developments that go beyond the own communal development. Approaches to controlling self-development usually remain on a blanket level and thus promote decentralized decisions that, in total, contradict the set goals. The aim of this paper is to present a model for calculating self-development, which not only takes demographic development into account, but also aligns the size of self-development with site-specific requirements to consider the principles of spatial planning and thus promote sustainable spatial development. In its empirical basis, the paper is based on statistical analyses of the respective needs as well as surveys, interviews research results that have been carried out or have arisen within the framework of the BMBF-funded project Interko2. [ABSTRACT FROM AUTHOR]

The development of residential areas in the context of settlement development is a significant driver regarding land use and thus critical in achieving the goal of reduced new land use to less than 30 hectares per day by 2030. Although spatial plan-ning and spatial science have been addressing this issue for years, e.g. through consistent land management, the current land use in Germany amounts to around 52 hectares per day (as of 2019). This is i.a. because the control of settlement development often only intervenes in developments that go beyond the own communal development. Approaches to controlling self-development usually remain on a blanket level and thus promote decentralized decisions that, in total, contradict the set goals. The aim of this paper is to present a model for calculating self-development, which not only takes demographic development into account, but also aligns the size of self-development with site-specific requirements to consider the principles of spatial planning and thus promote sustainable spatial development. In its empirical basis, the paper is based on statistical analyses of the respective needs as well as surveys, interviews research results that have been carried out or have arisen within the framework of the BMBFfunded project Interko2. [ABSTRACT FROM AUTHOR]

City-regional discourses around organisational forms offer little evidence to analyse and guide cooperative processes in a context-specific way. Design criteria can contribute to overcoming this deficit. This paper operationalises a proposed set of design criteria by drawing on the discourses on collaborative governance and land management. Subsequently, these design criteria are used to analyse an ongoing process for the development of a housing development concept in the Leipzig city region and to reflect on the criteria. This contributes to the question of how collaborative governance of land-use development in city regions should be designed. Important points of reference for the design of cooperations are the conscious selection of the actors to be involved and the development of mutual trust between them, joint definition of rules of the game for cooperation, determination of the nature of the emerging institution, orientation of the joint work towards the future and the development of a common understanding of the situation to be improved. [ABSTRACT FROM AUTHOR]

Despite all efforts to date, the original 2020 targets for reducing land use have not been met. In growing urban regions, the most urgent challenge at present seems to be to moderate increasing conflicts over the use of land, a resource that is becoming increasingly scarce. For sustainable land management in times of surging interdependencies across municipal boundaries, inter-municipal cooperation is becoming increasingly important. However, competitive incentives make sustainable, cooperative settlement development more difficult. In this context, compensation systems that enable a systematic balance of interests and provide incentives for sustainable, land-saving settlement development, are currently being discussed. Ideally, they should resolve the contradictions between local interests and regional goals, if they are properly adapted to the respective region. This paper places compensation systems in the international debate and proposes a categorization for further analysis. Using the example of the Rendsburg region (Germany), success factors for compensation systems in land management are discussed. [ABSTRACT FROM AUTHOR]