2. Biodiversity and ecological assessment of the freshwater ecosystem of the Krumovitsa river

Author: Nikolina Ilieva Ilieva, Radoslava Georgieva Zaharieva, Petya Georgieva Zaharieva, Diana Atanasova Kirin, Marian Stoyanov Varbanov, Dimitrinka Binova Kuzmanova, Mariya Krasimirova Chunchukova, Gergana Ilieva Metodieva

12. Monitoring of the state of the Elshishka and Medetska rivers from the Topolnitsa river sub-basin

Author: Petya Georgieva Zaharieva, Radoslava Georgieva Zaharieva, Diana Atanasova Kirin, Marian Stoyanov Varbanov, Gergana Ilieva Metodieva