Essays about: "drained"

Showing result 6 - 10 of 117 essays containing the word drained.

  1. 6. Perennproduktion : kan historien vägleda oss till en hållbar framtid?

    University essay from SLU/Dept. of Landscape Architecture, Planning and Management (from 130101)

    Author : Linda Sjögren Jonsson; [2023]
    Keywords : perennproduktion; plantskola; odlingssubstrat; torv; våtmark; hållbarhet;

    Abstract : Studien undersöker den hortikulturella näringen i ett historiskt perspektiv, perennproduktionens utveckling och användning av torv fram till idag. I och med de utmaningar som trädgårdsdesigners står inför då torv är det substrat som nu dominerar i branschen vill studien belysa möjligheterna till mer hållbara metoder. READ MORE

  3. 7. Newly inundated forest landscapes - hotspots for mercury in water and benthic fauna

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

    Author : Kirstine Evald Andersson; [2023]
    Keywords : Wetland restoration; Inundation; Mercury cycling; Beaver impoundments; Aquatic biogeochemis-try;

    Abstract : Mercury (Hg) is a widespread contaminant in high-latitude aquatic ecosystems, where it can undergo microbial transfor-mation into toxic methylmercury (MeHg). Due to its chemical properties, MeHg tends to accumulate in the aquatic food chain and will eventually end up in predatory species at the top of the terrestrial food web. READ MORE

  4. 8. Hur mår hästkastanjen egentligen? : utbredning och hantering av skadegörare på Aesculus hippocastanum i svenska städer

    University essay from SLU/Dept. of Plant Protection Biology

    Author : Carolin Lundgren; Linnea Svensson; [2022]
    Keywords : kastanjemal; hästkastanjsköldlus; kastanjebladbränna; kastanjeblödarsjuka; Phytophthora; diversitet; växtskydd; urban miljö; stadsträd;

    Abstract : Hästkastanjen, Aesculus hippocastanum, har genom åren varit ett mycket välanvänt stadsträd med höga kulturhistoriska och sociala värden. På senare tid har arten sjunkit i popularitet då den drabbats av flertalet skadegörare och sjukdomar. READ MORE

  5. 9. Biogeochemistry and Peat Properties of Restored Peatlands

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

    Author : Pelle Belaieff Kronborg; [2022]
    Keywords : Drainage; Bulk density; Nitrogen; Carbon; Stable isotopes;

    Abstract : Globally, peatlands comprise the most important soil organic carbon pool storing approximately one third of all terrestrial soil carbon. Drainage can turn peatlands to net sources of carbon dioxide. Peatlands have historically been drained to increase the productivity of agriculture and forestry. READ MORE

  6. 10. What has happened on Swedish mires? The effects of drainage on vegetation changes over recent decades

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Anna Ljungqvist; [2022]
    Keywords : peatlands; mires; bogs; fens; sweden; vegetation; plant ecology; time trend; data; nfi; nils; climate change; global warming; mosses; sphagnum; afforestation; trees; wetland; presence; coverage; drainage; ditch;

    Abstract : As they are not only the home of many threatened species, but also one of the main actors in the global carbon cycle, peatlands are highly valuable ecosystems. Human disturbance, in particular drainage for forestry and agriculture, has substantially changed the state of the world’s peatlands and will continue to do so. READ MORE