Research papers on the sub themes – ‘Biodiversity: conflicts and management, climate change, sustainable use of landscapes, environment and development, flood risk management, involvement of NGOs in programmes and actions aiming at biodiversity protection, threats to biodiversity – may be sent to Dr Swabera Islam, chairman or to Prarthana Barua, organising secretary by December 19 next, while the abstracts should reach by November 5, said a press release.