(a) National forest programmes, in general, are long-term iterative and adaptive processes and their monitoring systems are increasingly being linked to the development of national criteria and indicators for sustainable forest management;
(a) 国家森林方案通常都是长期叠代和适应性过程，它们的监测系统也日益与可持续森林管理国家标准和指标的制定联系在一起。