title: Assessment of pollution with aquatic bryophytes in Maritsa River (Bulgaria).
abstract: Bryophyte species composition and 26 common physico-chemical and inorganic chemical parameters were assessed at 23 selected sites in the Maritsa River (BG) over a 4-year period. Principal components analyses (PCA) of both bryophytes and water variables distinguished different locations in the ecosystem. The data imply that the content of elements measured in bryophytes represents river contamination, while species compositional patterns reflect hydromorphology and general degradation. This study for the first time combined aquatic bryophyte occurrence, the bioaccumulation of 17 macro-and microelements in 17 species, and 26 water factors by principal components analysis (PCA) in an assessment of river pollution.
authors.affiliation: Faculty of Biology, University of Plovdiv, 24 Tsar Asen Str., Plovdiv 4000, Bulgaria.
authors.forename: Gana
authors.initials: G
authors.lastname: Gecheva
authors.forename: Lilyana
authors.initials: L
authors.lastname: Yurukova
authors.forename: Anna
authors.initials: A
authors.lastname: Ganeva
mesh_terms: D044002:Bryophyta / Q000737:chemistry* / Q000145:classification / Q000254:growth & development; D002031:Bulgaria; D004784:Environmental Monitoring / Q000379:methods*; D019216:Metals, Heavy / Q000032:analysis; D025341:Principal Component Analysis; D045483:Rivers / Q000737:chemistry*; D014874:Water Pollutants, Chemical / Q000032:analysis*; D014877:Water Pollution, Chemical / Q000706:statistics & numerical data
chemical_list: D019216:Metals, Heavy; D014874:Water Pollutants, Chemical