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1. Baseline C pool in natural ecosystems;
2. Historic loss of C upon conversion of natural to managed
ecosystems;
3. Changes in C pool by adoption of recommended land use and
management;
4. Ecosystem restoration (e.g., degraded soils, desertified
lands, drained wetlands) and C pool;
5. Land application of biosolids (e.g., agricultural, industrial
and urban by-products);
6. The societal value of C, and cost:benefit analyses; and
7. Policy issues and the societal response.
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