Expanding Carbon Stocks in Existing Forests – A Methodological Approach for Cost Appraisal at the Enterprise Level |
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Authors: | Thomas Knoke Michael Weber |
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Institution: | 1. Unit of Forest Inventory and Management, Technische Universit?t München, Am Hochanger 13, 85354, Freising, Germany 2. Institute of Silviculture, Technische Universit?t München, Am Hochanger 13, 85354, Freising, Germany
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Abstract: | The study presents a comprehensive methodology for the appraisal of C-stock expansion in existing forests as a forest management
activity according to Art. 3.4 of the Kyoto Protocol. It allows for producer costs of carbon sequestration in forest enterprises
to be derived. The methodology is based on a non-linear programming approach considering economic optimisation as well as
ecological, social and sustainability needs through constraints and risk integration. While introducing further constraints
on carbon stocks, the carbon stored in forest biomass was increased in periodic increments. However, while extending the carbon
stocks, the ecological and social constraints as well as sustainability requirements are not to be violated. Costs were derived
for every additional Mg (Megagrams) of C per ha sequestered in comparison to a baseline management.
Two basic cases were considered: First, a permanent carbon sequestration was assumed. Secondly, a temporary storage of additional
carbon over 10 years was supposed. The potential willingness of buyers of carbon certificates to pay for temporary carbon
sequestration was derived by a financial consideration. We assumed that, for a buyer, the value of a temporary carbon sequestration
certificate would be equivalent to the return on the savings because an investment in technical measures on reduction of carbon
emissions can be postponed. |
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