France (1) Paris (1) Preservation (1) Conservation (1) Costs (1) Cost effectiveness (1) Assaying (1) Terms and phrases (1) Terms and phrases (1) Biodiversity (1) Value (1) Trees (1) State, The (1) Rural development (1) Respect (1) Rate of return (1) Production (Economic theory) (1) Payment (1) Natural history (1) Lumbermen (1) Loggers (1) Licenses (1) Islands (1) Government etiquette (1) Forests and forestry (1) Foresters (1) Executives (1) Errors (1) Error (1) Equations (1)