Оценка на екологичното състояние на реките в подбасейна на река Арда Journal title: Ecologia Balkanica Authors: Irina Mecheva, Gana Gecheva, Svetoslav Cheshmedzhiev, Marin Marinov, Doychin Todorov Subject(s): Biological Sciences, Ecology
Evaluation of the Ecological Condition of the Rivers from the Subbasin of Arda River Journal title: Ecologia Balkanica Authors: Irina Mecheva, Gana Gecheva, Svetoslav Cheshmedzhiev, Marin Marinov, Doychin Todorov Subject(s): Biological Sciences, Ecology