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The valuation of ecosystem services: Are the challenges too many to ensure the maintenance of ecosystem integrity?
… food production, aquaculture, transport, hunting, mining, energy production, recreation and building on the other hand. … that persist well into the future. Exhaustible energy resources, once used, are gone. Biological renewable resources can be overharvested, leaving smaller and …
The status of natural resources on the high-seas
… exploitation of gas hydrates and hydrothermal vent heat energy. It is therefore timely to review the status of … threat • Interest in commercial resource (ores and energy) exploitation – a potential threat 2. Seamounts • … world's biological diversity - ensuring that the use of renewable natural resources is sustainable - promoting the …