This paper argues that the conceptions of “vulnerability” and “resilience”, which have been strongly influenced by ecology and natural hazards research, have been widely used in an essentialist manner. Thus, vulnerability is treated as the factual susceptibility and resilience as the factual adaptive capacity of systems, which are measurable by certain indicators. Although in the meantime social dimensions have received greater consideration than previously and although both notions have been transferred to a wider field of phenomena ranging from technology to economy and society, the conception of vulnerability and resilience still lacks the dimension of the social construction of reality that implies that actors may develop different perceptions of potential threats and of the precautionary measures that are to be adopted—even though the nature of an endangerment seems clear and proven. In this contribution we identify major conceptual desiderata and suggest a social science based conception of vulnerability and resilience addressing them. We take up ideas from social constructivism in the form pointed out in actor-network theory. We dissolve the tired dichotomy between social and material entities and instead emphasise that all kinds of entities have the same ontological status and thus interact directly with one another on the same level (‘flat ontology’). Against the background of a generic definition of governance, questions of agency in networks will be addressed. Based on a relational understanding of space, a spatial research perspective will be developed also taking into account the dimension of time. Finally the conception comprises an empirical strategy for investigating vulnerability and resilience.
The aim of this paper is to understand the social process of the emergence and institutionalization of innovations in spatial planning (which we describe as 'social innovations'). The paper is based on a recently finished empirical and comparative study conducted in four distinct areas of spatial planning in Germany: urban design, neighbourhood development, urban regeneration and regional planning. The empirical cases selected in these areas encompass different topics, historical periods, degrees of maturity and spatial scales of innovation. As a temporal structure of the innovation processes in the different cases we identified five phases: 'incubating, generating, formatting, stabilizing, adjusting'. In a crosscomparison of the case studies and along these phases, we furthermore found typical (groups of) actors, tensions and conflicts. In the focus of our case analyses are the following dimensions: (1) the content of the innovations, (2) actors, networks and communities involved as well as (3) institutions and institutionalization.
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