Independent, practical research, advice and consultancy for people and wildlife. Employs about 115 people, working in projects in ecology, nature, landscape and environment. Founded by Hans Waardenburg in 1979. Departments:- Aquatic ecology- Nature and landscaping- Bird ecologyActivities:- Research surveys and monitoring- Strategy, planning and design- Nature conservation and management- Impact assessment studies- Environmental laws and regulations- Courses, training- Underwater research by scuba divers- Photography and filming (aerial, underwater and remote)Board of directors: - Martien Meijer- Wouter Lengkeek- Eelco Waardenburg