and/or enhance flows of atmospheric carbon to biomass and other ``sinks''. The United Nations
Framework Convention on Climate Change(UN-FCCC) was negotiated in 1992 for this pur-pose, and has since been supplemented by the December 1997 Kyoto Protocol [1]. The Kyoto
Protocol establishes emissions limits for countries that are members of Annex B of the Protocol
(similar to Annex I of the UN-FCCC), which currently includes most of the industrialized countries.