INTRODUCTION 4 DEMAND FOR A PARTIAL REVISION OF THE INDICATOR SYSTEM 4 OVERVIEW ON FOREST BIODIVERSITY RELATED DATA AND INFORMATION AVAILABLE AT NATIONAL LEVEL 5 Scientific literature survey 5 Causal indicator model 5 Key indicators 6 DISCUSSION OF THE INDIVIDUAL INDICATORS 7 C.4 Policies, institutions and instruments to maintain, conserve and appropriately enhance the biological diversity in forest ecosystem 7 4.1 Diversity of tree species 7 4.2 Regeneration 8 4.3 Naturalness 9 4.4 Introduced tree species 10 4.5 Deadwood 11 4.6 Genetic Resources 11 4.7 Fragmentation 12 4.8 Threatened forest species 13 4.9 Protected forests 14 4.10 Forest birds 15 Biodiversity relevant parameters not covered by 4.1-4.10 16 GENERAL RECOMMENDATIONS 17 SUGGESTION FOR FUTURE REPORTING UNDER FOREST EUROPE CRITERION 4: MAINTENANCE, CONSERVATION AND APPROPRIATE ENHANCEMENT OF BIOLOGICAL DIVERSITY IN FOREST ECOSYSTEMS 18 OVERVIEW OF EXISTING AND PROPOSED INDICATORS BY PSR CATEGORIES 20 OVERVIEW ON欧洲森林欧洲指标的修订提案4.1-4.10 23参考文献26附件1:由国家和组织监控和报告的其他森林生物多样性相关参数27附件2:与森林欧洲指标有关的全球核心设置指标和SDG指标31
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