Daniel David

Daniel David
AGORAH · Environment Department

PhD

About

22
Publications
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186
Citations

Publications

Publications (22)
Article
Abstract This paper reflects on collaborative landscape research conducted in Reunion Island, an outermost region of the European Union. On this 2,500 km2 tropical island also considered a major international biodiversity hotspot, land-use planners must address important challenges, especially growing population densities and urban sprawl that caus...
Article
A collaborative framework using a spatially explicit modeling platform, Ocelet, has been designed as a territorial planning support tool in Reunion Island, where urban sprawl is a major issue. Urban development scenarios and models were constructed collectively by a group of specialists from some twenty institutions. The first group of workshops fo...
Article
Un dispositif partenarial mobilisant un outil de simulation paysagère, Ocelet, a été conçu comme support d’un exercice de prospective territoriale sur une intercommunalité de l’île de La Réunion où le mitage agricole représente un enjeu important. La démarche consiste à coconstruire, au sein d’une arène d’une vingtaine d’institutions, des scénarios...
Conference Paper
Full-text available
Emergent phenomena are often relevant for users and developers of simulation models. But the potential reification of these phenomena raises many questions, conceptually (should they be reified?) and technically (how to do it?). In this paper, we show that such a reification can be considered as an effective way to refine simulation models in which...
Article
Full-text available
In multiagent simulations, environment is considered to be a minor concern compared to agents’ behavior, which is the center of attention during the modeling process. Therefore environments are often basic, most of the times bounded or cyclical. Moreover, they are not detailed enough to support generalization of simulation results. Environment shou...
Conference Paper
Full-text available
Résumé La prise en compte des phénomènes émergents présente un intérêt manifeste pour les utilisa-teurs et les concepteurs de Simulations Orien-tées Agent. Mais la réification éventuelle de ces phénomènes soulève de nombreuses questions, que ce soit sur le plan conceptuel (doit-elle se faire ?) ou sur le plan technique (comment la faire ?). Dans ce...
Article
Reunion Island will be hosting in the coming years an increasingly important population. Documents dedicated to land-use planning should take this into account to better manage the evolutions of the island. In the context of multidisciplinary research, the challenge of our work is to propose methods and tools to facilitate interactions between comp...
Article
Full-text available
This paper considers participatory modelling to integrate biodiversity conservation into land use planning and to facilitate the incorporation of ecological knowledge into public decision making for spatial planning. Réunion Island has experienced rapid urban and agricultural expansion, which threaten its unique biodiversity. In this context, we de...
Conference Paper
Full-text available
Green sea turtles (Chelonia mydas) inhabit tropical and subtropical oceans worldwide. Living in the marine environment and laying eggs on the beach, they are mainly threatened by human activities (poaching, fisheries bycatch, habitat destruction, etc.). In Reunion Island, the Kélonia observatory and IFREMER develop various scientific programs to st...
Conference Paper
Full-text available
Un projet nommé GERRI a été lancé à la Réunion dans le but de favoriser le développement de nouvelles technologies écologiques. Une des pierres fondamentales de ce projet est la maitrise de l’énergie, dont l’aménagement énergétique d’un territoire fait partie. Les recherches dans ce dernier domaine du projet sont peu foisonnantes. Nous proposons da...
Article
Full-text available
Résumé Les données à prendre en compte dans un sys-tème multi-agents sont généralement nom-breuses et de nature complexe. Beaucoup de temps est consacré à la modélisation du sys-tème et à son implémentation, mais les techni-ques dédiées à l'initialisation sont souvent non-explicitées et les schémas de configura-tion mis en place sont rarement réuti...
Article
Full-text available
Un projet nommé GERRI a été lancé à la Réunion dans le but de favoriser le développement de nouvelles technologies écologiques. Une des pierres fondamentales de ce projet est la maitrise de l’énergie, dont l’aménagement énergétique d’un territoire fait partie. Les recherches dans ce dernier domaine du projet sont peu foisonnantes. Nous proposons da...
Conference Paper
Full-text available
Les données à prendre en compte dans un système multi-agents sont généralement nombreuses et de nature complexe. Beaucoup de temps est consacré à la modélisation du système et à son implémentation, mais les techni- ques dédiées à l’initialisation sont souvent non-explicitées et les schémas de configura- tion mis en place sont rarement réutilisables...
Chapter
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Decision-makers who wish to manage Insular Tropical Environments more efficiently need to narrow the gap between the production of scientific knowledge in universities, or other labs, and its pragmatic use by the general public and administrations. Today, one of the main challenges concerning the environment is the preservation of the biodiversity...
Conference Paper
Full-text available
Emergence is a fascinating concept for most scientists, and multiagent simulations are known to allow and facilitate its representation. Research in this area yield to several definitions and classifications of emergent phenomena, but only a few of them offers a solution for a concrete reification of emergence in simulation. This paper deals with t...
Article
Full-text available
This paper deals with the important concept of emer-gence in complex systems and in multiagent simulation. Research in this area yield to several definitions and classifications of emergent phenomena, but only a few of them offer a solution for emergence reification. As we know, this kind of notion does not have yet, for-mal definition, if any coul...
Article
Full-text available
Résumé En matière d'aménagement du territoire, l'île de La Réunion est confrontée au défi d'accueillir une population de plus en plus importante tout en valorisant son terroir agricole et en proté-geant ses paysages exceptionnels. Dans un tel contexte, faire de la prospective territoriale, et en ce sens parvenir à modéliser et simuler des comportem...

Projects

Projects (2)
Project
Simulation models can be used as decision support tools for smart city design and planning. They allow to evaluate the possible consequences of projects, before their implementation in the real world. Decision makers could benefit from replicable ones that can be relevant and easily transferable from one territory to another so solutions can be compared and re-use of model components can save time. In this paper we consider the case of citizen’s mobility flow simulation. However, most of such simulation models are designed to be suitable for a specific kind of territory. Some of them are reusable, but in a context that does not differ much from the original one for which they were designed, or require lots of changes to be relevant in another context. We classify those contexts into urban and insular and we show that despite their difference, they could be complementary. We demonstrate that testing a simulation model designed for an urban context, in a context with strong constraints can help in its consolidation. Thereby, after testing an Agent Based Simulation Model originally applied to a case study in London, in Reunion Island, we present a more generic simulation model that works for both systems. ---Collaboration with Imperial College London