A bog formed in shallow depressions with poor drainage, supporting predominantly evergreen shrubs or small trees.
A mineral that has not been altered chemically since crystallization and deposition from molten lava. See also secondary mineral.
Conscious process necessary for soil and soil properties preservation realised at different levels (personal, local, national, continental) and using information obtained by soil research. Sustainability is the result of this process.
The products obtained from ecosystems, including, for example, genetic resources, food and fiber, and fresh water.
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