Determining conservation priorities.
One important component in achieving an optimal compromise between mineral development and environmental conservation is to rank different geographical areas according to their priorities for development and conservation respectively. The latter is considered here.There are three main steps in assigning conservation priorities: (i) acquisition and assessment of information on the existing baseline environment and on potential impacts; (ii) assignment of values to the environmental components concerned and integration of these to yield overall values for alternative possible conservation targets; and (iii) incorporation of logistic considerations to determine the practical priorities for conservation.One particularly critical aspect of this process is the relative significance of different conservation criteria, specifically including the presence of rare species, high diversity, pristine condition and representativeness. These criteria all reflect the same underlying conservation values, but their relative significance varies from case to case. Their integration is based on professional judgement rather than any formal algorithm and explicit guidelines for such judgement are needed to promote consensus in the determination of conservation priorities.
Principal Environmental Scientist, Consultant Division, AMDEL, Flemington St., SA 5063, Frewville, Australia.
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Buckley