Determination of the sources of nitrate and the microbiological sources of pollution in the Sava River Basin

被引：59

作者：

Vrzel, Janja ^{[1
,2
]}

Vukovic-Gacic, Branka ^{[3
]}

Kolarevic, Stoimir ^{[3
]}

Gacic, Zoran ^{[4
]}

Kracun-Kolarevic, Margareta ^{[5
]}

Kostic, Jovana ^{[4
]}

Aborgiba, Mustafa ^{[3
]}

Farnleitner, Andreas ^{[6
]}

Reischer, Georg ^{[6
]}

Linke, Rita ^{[6
]}

Paunovic, Momir ^{[5
]}

Ogrinc, Nives ^{[2
,7
]}

机构：

[1] Univ Munich, Dept Geog, Luisenstr 37, D-80333 Munich, Germany

[2] Jozef Stefan Int Postgrad Sch, Jamova Ulica 39, Ljubljana 1000, Slovenia

[3] Univ Belgrade, Fac Biol, Chair Microbiol, Ctr Genotoxicol & Ecogenotoxicol, Studentski Trg 16, Belgrade 11000, Serbia

[4] Univ Belgrade, Inst Multidisciplinary Res, Kneza Viseslava 1, Belgrade 11030, Serbia

[5] Univ Belgrade, Inst Biol Res Sinisa Stankovic, Bulevar Despota Stefana 142, Belgrade 11060, Serbia

[6] Vienna Univ Technol, Inst Chem Engn, Res Grp Environm Microbiol & Mol Ecol, Interuniv Cooperat Ctr Water & Hlth, Gumpendorfer Str 1a, A-1060 Vienna, Austria

[7] Jozef Stefan Inst, Dept Environm Sci, Jamova Ulica 39, Ljubljana 1000, Slovenia

来源：

SCIENCE OF THE TOTAL ENVIRONMENT | 2016年 / 573卷

关键词：

Nutrients; Stable isotopes; Microbial source tracking; Fecal indicators; Sava River Basin; FECAL POLLUTION; ISOTOPIC COMPOSITION; FRESH-WATER; CLOSTRIDIUM-PERFRINGENS; SOURCE IDENTIFICATION; CHEMICAL-DYNAMICS; ESCHERICHIA-COLI; STABLE-ISOTOPES; SOURCE TRACKING; LONG-TERM;

D O I：

10.1016/j.scitotenv.2016.07.213

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Coupled measurements of nitrate (NO3-), nitrogen (N), and oxygen (O) isotopic composition (delta N-15(NO3) and delta O-18(NO3)) were used to investigate the sources and processes of N cycling, while the microbial source tracking (MST) method was used to identify microbiological pollution in the surface water of the Sava River Basin (SRB) in autumn in 2014 and 2015 during high and low water discharge. Atmospheric nitrate deposition or nitrate-containing fertilizers were found not to be significant sources of riverine nitrate in the SRB. The ranges of isotope values suggest that NO3- in the SRB derives from soil nitrification, sewage, and/or manure, which were further supported by MST analysis. Microbiological indicators show the existence of hotspots of fecal pollution in the SRB, which are human associated. Long-term observations indicate persistent fecal contamination at selected locations caused by continuous discharge of untreated wastewaters into the SRB. (C) 2016 The Authors. Published by Elsevier B.V.

引用

页码：1460 / 1471

页数：12

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