By Igor Liska (eds.)
ISBN-10: 3662477386
ISBN-13: 9783662477380
ISBN-10: 3662477394
ISBN-13: 9783662477397
This quantity deals a finished evaluation of the chemical, organic and hydromorphological caliber of the Danube. the 1st half examines the chemical pollutants of floor waters, targeting natural compounds (with precise emphasis given to european WFD precedence ingredients and Danube River Basin particular pollutants), heavy metals and meals. recognition can be given to pollutants of groundwater and consuming water assets via dangerous ingredients and to radioactivity within the Danube. the second one half highlights the biology and hydromorphology of the Danube. It makes a speciality of benthic macroinvertebrates, phytobenthos, macrophytes, fish, phytoplankton in addition to microbiology, with chapters devoted to gaps and uncertainties within the ecological prestige evaluation and to invasive alien species. extra chapters facing the hydromorphology, sediment administration and isotope hydrology whole the general photo of the prestige of the Danube.
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Additional info for The Danube River Basin
Sample text
6 Sources of nitrogen emissions in the DRB in 2006 and 2015 Baseline scenario 2015: 46 kt/a Reference situation: 58 kt/a 5% 4% 21% 29% 26% 29% 11% 13% 27% 35% WWTP Urban systems Background Other sources Agricultural land use Fig. 7 Sources of phosphorus emissions in the DRB in 2006 and 2015 reductions are achievable, quantitative reduction targets can be established and future progress evaluated in relation to achieving respective WFD targets. 4 Conclusions Nutrient removal is required to avoid eutrophication in many DRB surface waters and the Black Sea North Western Shelf, in particular taking into account the character of the receiving coastal waters as a sensitive area under the UWWTD.
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 40 41 41 41 42 42 43 43 46 47 51 57 58 1 Introduction Assessment of nutrient levels in water ecosystems has particular importance due to the fact that the input of nutrients into surface waters (mainly nitrogen and phosphorous), either from natural or anthropogenic sources, leads to the process being known as eutrophication.
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 40 41 41 41 42 42 43 43 46 47 51 57 58 1 Introduction Assessment of nutrient levels in water ecosystems has particular importance due to the fact that the input of nutrients into surface waters (mainly nitrogen and phosphorous), either from natural or anthropogenic sources, leads to the process being known as eutrophication.