Krasimir Aleksandrov1, Ekatirina Valcheva2 1Agricultural University, Plovdiv, Bulgaria 2Agricultural University, Bulgaria kva@dir.bg     katia_valcheva@abv.bg   Abstract Marine recreation is a major tourist product in Bulgaria. About 70% of all tours are visiting the country for recreation. Bulgarian Black Sea coast offers excellent opportunities for marine recreation. Water pollution by oil is a serious environmental problem that […]

Ekaterina Valcheva, Krasimir Aleksandrov Agricultural University of Plovdiv, Bulgaria katia_valcheva@abv.bg   kva@dir.bg   Abstract Recreation activities include management of health and spirit of man through relaxation and enjoyment. When we talk about marine recreation should be in mind that most often it is an annual rehabilitation process. Recreational tourism resources are divided into natural and anthropogenic. […]

2010-558 BIOFILTER VEGETATIVE PROTECTION OF WATERS AGAINST POLLUTIONEkaterina ValchevaAgricultural University, Bulgaria Abstract:Agriculture is a major sources pollution of surface waters. Proper use of pesticides is to maintain their effectiveness, but also to prevent the pollution of natural resources. Falling pesticides from treated agriculture areas in to surface waters can threaten not only human health but […]