Essays about: "ditch cleaning"

Showing result 1 - 5 of 8 essays containing the words ditch cleaning.

  1. 1. Riparian plant biodiversity and community composition of ditches and straightened streams : identifying key environmental drivers in a boreal forest setting

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Rasmus Staaf; [2024]
    Keywords : artificial waterways; riparian zone; novel ecosystems; ; forestry; ditch network maintenance; species richness; hill-diversity; drainage ditches; coarse woody debris; ditch cleaning; ecology;

    Abstract : Modified ecosystems are typically seen as degraded and having no ecological value. In many cases, the modification of the ecosystem was done more than 100 years ago and may have had time to recover and become a refugia for species that were once more common in the landscape. READ MORE

  3. 2. Effects of Forest Ditch Cleaning on Surface Water Quality

    University essay from SLU/Dept. of Aquatic Sciences and Assessment

    Author : Emeli Arvidsson; [2023]
    Keywords : Ditch cleaning; forest clear-cut; water quality; water chemistry;

    Abstract : Ditch cleaning (DC) is recommended by authorities to Swedish landowners to maintain forest productivity after forest harvest by lowering groundwater tables of catchment soils. Knowledge regarding the impact of this practice on surface water quality is limited, and results from previous research vary. READ MORE

  4. 3. Beslutsstöd för att finna diken och bedöma behov av dikesrensning

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Elias Hannus; [2019]
    Keywords : hydrologi; erosion; flödesschema; markfuktighetskarta; höjdmodell; bildtolkning; hydrology; erosion; flow chart; soil moisture map; digital elevation model; image interpretation;

    Abstract : En betydande areal torvtäckt mark dikades i Sverige under första halvan av 1900-talet i syfte att omvandla myrimpediment till produktiv skogsmark. Många av dikena hos markvärden för denna studie, Svenska Cellulosa AB (SCA), är nu i behov av rensning för att produktionen skall bibehållas. Rensning medför också allvarliga miljörisker. READ MORE

  5. 4. Forest drainage effects on tree growth in Northern Sweden : developing guidelines for ditch network maintenance

    University essay from SLU/Dept. of Forest Ecology and Management

    Author : Hanna Glöd; [2018]
    Keywords : ditch cleaning; ditch network maintenance; drainage effect; forest drainage; indicators; dikningseffekt; dikesrensning; dikesunderhåll; indikatorer; skogsdikning;

    Abstract : At present, there are no clear guidelines for when and where ditch network maintenance (DNM) should be performed in Sweden. Recently there have been attempts to create tools that indicate the need for DNM, one of these tools is the Ditch Flow Tracker (DFT). READ MORE

  6. 5. Prestations- och kvalitetsstudie av maskiner för rensning av skogsdiken

    University essay from SLU/School for Forest Management

    Author : Per Bertland; Dan Käll; [2011]
    Keywords : Tidsstudie; Dikesrensningsmaskin; Produktionshöjnin;

    Abstract : Ditch cleaning is increasingly important in Swedish forestry. This study compare different concepts concerning machinery, namely two general-purpose excavators of different sizes, 8 tonnes and 15 tonnes, versus a dedicated machine constructed solely to deal with ditch-cleaning. READ MORE