Search for dissertations about: "ponds"

Showing result 11 - 15 of 77 swedish dissertations containing the word ponds.

  2. 11. Biodiversity and ecosystem functioning in created agricultural wetlands

    Author : Geraldine Thiere; Stefan Weisner; Högskolan i Halmstad; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; constructed ponds; eutrophication abatement; biodiversity conservation; functional diversity; macroinvertebrates; plants; bacterial denitrification; watershed scale; nitrogen removal; phosphorus retention; Terrestrial; freshwater and marine ecology; Terrestrisk; limnisk och marin ekologi; watershed scale; bacterial denitrification; plants; macroinvertebrates; functional diversity; biodiversity conservation; constructed ponds; eutrophication abatement; nitrogen removal; phosphorus retention;

    Abstract : This doctoral dissertation was produced in a cooperation between Halmstad University (Wetland Research Centre, School of Business and Engineering) and Lund University (Limnology & Marine Biology, Department of Ecology).Abstract . READ MORE

  4. 12. Constructed Filters and Detention Ponds for Metal Reduction in Storm Water

    Author : Carina Färm; Erik Dahlquist; John Sansalone; Mälardalens högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Environmental engineering; Miljöteknik; Energy- and Environmental Engineering; Energi- och miljöteknik;

    Abstract : .... READ MORE

  5. 13. Trace metals in swale soils and sediments from gully pots and stormwater management ponds

    Author : Snezana Gavric; Maria Viklander; Jiri Marsalek; Kelsey Flanagan; Laura Wendling; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering; Centrumbildning - Centrum för dagvattenhantering DRIZZLE ; Centre - Centre for Stormwater Management DRIZZLE ;

    Abstract : Three commonly used drainage system components, with considerably different characteristics and roles in stormwater management, were studied and reported on in this thesis: (i) grass swales, (ii) gully pots (GPs), and (iii) stormwater management ponds. With time, solids and associated pollutants accumulate in these components, and regular maintenance is needed to ensure that their design functions, including protection of the environment, are sustained. READ MORE

  6. 14. Microbial Phosphorus Removal in Waste Stabilisation Pond Wastewater Treatment Systems

    Author : Lydia Ambakisye Mbwele; Gunnel Dalhmmar; Ingrid Faye; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wastewater treatment; waste stabilisation ponds; activated sludge; biological phosphorus removal; tropical climate; A.hydrophylla; Bioengineering; Bioteknik;

    Abstract : Waste Stabilisation Ponds (WSPs) are characterised by low phosphorus (P) removal capacity. Heterotrophic bacteria are principal microbial agents in WSPs in addition to algae. READ MORE

  7. 15. Microalgae at wastewater pond treatment in cold climate : an ecological engineering approach

    Author : Erik Grönlund; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; VA-teknik; Urban Water Engineering; Environmental engineering;

    Abstract : Three types of wastewater ponds in subarctic climates were investigated, each of them highly dependent on microalgae. They were fellingsdams, i.e. READ MORE