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   libraryUrl => '' (0 chars)

array(2 items)
   0 => Snowflake\Publications\Domain\Model\Publicationprototypepersistent entity (uid=21445, pid=124)
      originalId => protected21445 (integer)
      authors => protected'Winton, R. S.; Kleinschroth, F.; Calamita, E.; Botter,&n
         bsp;M.; Teodoru, C. R.; Nyambe, I.; Wehrli, B.' (142 chars)
      title => protected'Potential of aquatic weeds to improve water quality in natural waterways of 
         the Zambezi catchment' (97 chars)
      journal => protected'Scientific Reports' (18 chars)
      year => protected2020 (integer)
      volume => protected10 (integer)
      issue => protected'' (0 chars)
      startpage => protected'15467 (11 pp.)' (14 chars)
      otherpage => protected'' (0 chars)
      categories => protected'' (0 chars)
      description => protected'One prominent effect of nutrient pollution of surface waters is the mass inv
         asion of floating plants, which can clog waterways, disrupting human use of 
         aquatic systems. These plants are widely vilified and motivate expensive con
         trol campaigns, but their presence may be providing a poorly recognized func
         tion in the cycling of excess nutrients. The capacity for floating plants to
          absorb nutrients from surface water has been understood for decades, primar
         ily from their use in constructed wetlands for wastewater treatment. Yet, in
          natural settings, there has not been to date any effort to quantify whether
          floating plant invasions represent important pools or fluxes of nutrients r
         elative to those of the river catchments in which they occur. We found that 
         seasonal hydrologic cycles in the Zambezi trap and flush floating plants fro
         m river choke points, such as dams and river confluences, on an annual basis
         . Peak plant biomass at such choke points constitutes a proxy for estimating
          annual plant-bound nutrient loads. We assessed the significance of floating
          vegetation as nutrient sinks by comparing annual plant-bound nutrient loadi
         ng to conventional river nutrient loading (dissolved and particulate) for fo
         ur tributaries of the Zambezi River in Zambia. We found that the relative im
         portance of floating vegetation was greatest in the more urbanized catchment
         s, such as the Maramba River draining the city of Livingstone, representing 
         approximately 30% and 9% of annual digestible phosphorus and nitrogen flux r
         espectively. We also found plant-bound phosphorus to be important in the Kaf
         ue River (19%), draining the industrial town of Kafue and extensive sugarcan
         e plantations. These results demonstrate the great potential of floating pla
         nts to take up excess nutrients from natural river systems. Given the import
         ance of hydrology in the life cycle of floating vegetation, controlled dam d
         ischarges may have an important role in managing them and their water qualit
         y treatment functions.' (1998 chars)
      serialnumber => protected'2045-2322' (9 chars)
      doi => protected'10.1038/s41598-020-72499-1' (26 chars)
      uid => protected21445 (integer)
      _localizedUid => protected21445 (integer)modified
      _languageUid => protectedNULL
      _versionedUid => protected21445 (integer)modified
      pid => protected124 (integer)
   1 => Snowflake\Publications\Domain\Model\Publicationprototypepersistent entity (uid=21188, pid=124)
      originalId => protected21188 (integer)
      authors => protected'Kleinschroth, F.; Winton, R. S.; Calamita, E.; Niggemann
         , F.; Botter, M.; Wehrli, B.; Ghazoul, J.' (137 chars)
      title => protected'Living with floating vegetation invasions' (41 chars)
      journal => protected'Ambio' (5 chars)
      year => protected2021 (integer)
      volume => protected50 (integer)
      issue => protected'' (0 chars)
      startpage => protected'125' (3 chars)
      otherpage => protected'137' (3 chars)
      categories => protected'biological invasions; dams; Google earth engine; land cover change; urbaniza
         tion; water-energy-food nexus' (105 chars)
      description => protected'Invasions of water bodies by floating vegetation, including water hyacinth (
         <em>Eichhornia crassipes</em>), are a huge global problem for fisheries, hyd
         ropower generation, and transportation. We analyzed floating plant coverage 
         
         
         ly weed control, floating invasion severity is increasing. Floating plant co
         verage correlates with expanding urban land cover in catchments, implicating
          urban nutrient sources as plausible drivers. Floating vegetation invasions 
         have undeniable societal costs, but also provide benefits. Water hyacinths e
         fficiently absorb nutrients from eutrophic waters, mitigating nutrient pollu
         tion problems. When washed up on shores, plants may become compost, increasi
         ng soil fertility. The biomass is increasingly used as a renewable biofuel. 
         We propose a more nuanced perspective on these invasions moving away from fu
         tile eradication attempts towards an ecosystem management strategy that mini
         mizes negative impacts while integrating potential social and environmental 
         benefits.' (1149 chars)
      serialnumber => protected'0044-7447' (9 chars)
      doi => protected'10.1007/s13280-020-01360-6' (26 chars)
      uid => protected21188 (integer)
      _localizedUid => protected21188 (integer)modified
      _languageUid => protectedNULL
      _versionedUid => protected21188 (integer)modified
      pid => protected124 (integer)