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… International Conference on the Protection of the North Sea adopted the so-called precautionary principle as part of … from 0.5 m to 0.6 m from the surface of the site; • a deep sub-surface sample obtained from 0.9 m to 1.0 m from the … remain poorly defined, mainly due to the existence of a deep mantle of residual material over the rocks. Since the …

… of pebbles, gravel, and sand flushed down into an ancient sea, buried, solidified, tilted, uplifted, and eroded. For … caught in an unsustainable management spiral is a cause of deep distress. Farmers are trapped between the demands of a … such as insufficient soil drainage and the replacement of deep-rooted vegetation with plants that have a shallow root …