Journal
BIODIVERSITY AND CONSERVATION
Volume 22, Issue 9, Pages 1931-1948Publisher
SPRINGER
DOI: 10.1007/s10531-013-0518-0
Keywords
Precautionary principle; Restoration ecology; Impact assessment; Saemangeum; Lusatian mining district; Biodiversity
Funding
- University of Incheon, Incheon
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Ecological restoration has become a major issue in environmental management. To overcome the backward orientation of the restoration concept (focusing on reference states and natural ecosystems) the introduction of a precautionary principle is proposed. The principle has been developed for decision-making under high uncertainty about the probability and severity of an environmental damage. Meanwhile, it has been accepted in many countries of the world as a guiding principle for environmental legislation. Likewise it is the basis for international conventions aiming at the conservation of biodiversity. Nevertheless, biodiversity is still neglected in large reclamation projects. Several links between precaution and restoration are described. Restoration can be used to prevent future damage. Otherwise restoration is plagued by uncertainty about the outcome of the measures and may have negative effects or even fail. An analysis of common evaluation methods of restoration projects shows that most approaches focus on comparison of restoration results with a reference state, and are thus useless in a precautionary context. Other methods (e.g. comparing restored with unrestored sites) require data gathered by long-term observation (monitoring) of socio-economically defined desired states (Leitbild). Two large-scale restoration projects are analyzed, coastal land reclamation in Korea and open cast mining reclamation in Germany. Both projects had or have honorific aims and are legally admissible. However, they violate both international law based on precaution and simple rules of prudence or wise use. Costly post hoc 'restoration' measures are the usual consequence.
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