| 1. | 25 years “Shumensko Plateau” Nature Park – protected territory. |
| 2. | Protected karst territories: Managing and management. Legislation. Sustainable development. |
| 3. | Protected karst territories: The role of the scientific research. Documentation and cadastre. Monitoring. |
| 4. | Protected karst territories: Recreational and tourist potential – assessment and usage. |
| 5. | Cognitive and educational importance of the protected karst territories. Good practices. |
| 6. | International collaboration. The net of protected karst territories – experience and opportunities. |