Essays about: "Skyddszoner"

Showing result 16 - 20 of 21 essays containing the word Skyddszoner.

  1. 16. Can GIS be used to identify streams with successful recruitment of freshwater pearlmussels (Margaritifera margaritifera)?

    University essay from Fakulteten för samhälls- och livsvetenskaper

    Author : Jan-Olov Högberg; [2009]
    Keywords : Margaritifera margaritifera; Freshwater pearl mussel; GIS; recruitment; landscape; spatial information;

    Abstract : The freshwater pearl mussel (Margaritifera margaritifera) has declined dramatically throughout its range and is faced with recruitment problems in most of the streams where populations still persist. Human activities, such as forestry and agriculture, are thought to be the main reason for these problems. READ MORE

  3. 17. FSC uppföljning vid slutavverkningar utförda av skogssällskapet i Norrbotten

    University essay from SLU/School for Forest Management

    Author : Klas Isaksson; [2008]
    Keywords : FSC; naturvård; uppföljning;

    Abstract : This study covers eighteen clearcuttingsites performed by five different logging crews. The clearcuttingsites are located in the five Norrbotten municipalities Älvsbyn, Piteå, Boden, Luleå and Kalix with locations from the coast and several 10 km from the coast and in to the country. READ MORE

  4. 18. Jordbrukets påverkan på Östersjön : en jämförelse av indikatorer för att beskriva näringsbelastningen

    University essay from SLU/Dept. of Soil Sciences

    Author : Helena Andersson; [2008]
    Keywords : jordbruk; Östersjön; indikator; belastning; kväve; fosfor;

    Abstract : The Baltic Sea, due to its special conditions, is a unique and vulnerable marine environment. There are many pressures that have an impact on the sea and one of the major problems is the extensive flow of nutrients from land. The most visible effect of the supply of nutrients is the annual algal blooms. READ MORE

  5. 19. Skötselåtgärder vid nyetablering av skyddszoner vid bäckar i södra Värmland

    University essay from SLU/Dept. of Forest Soils

    Author : Mikael Hultnäs; [2006]
    Keywords : skyddszoner; certifiering; skogsvårdslagen; naturvårdspolicy; markvård; vattenvård;

    Abstract : Buffer zones play an important role for the water quality in our watercourses. When harvesting a forest close to a watercourse a buffer zone should be left. When it's not left, it will lead to radical changes in the environment for the water organisms. READ MORE

  6. 20. Mänsklig påverkan på mindre vattendrag i skogslandskapet : en inventering av vägtrummor och skyddszoner kring dessa i Uppsala län och norra Västmanlands län

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Gabriele Bodegård; [2005]
    Keywords : vägtrummor; påverkan; vandringshinder; bedömningsmodell; skyddszoner; inventeringsmodell;

    Abstract : Interference in an ecosystem means a disturbance. When harvesting, forest roads have to be build to cope with heavy duty vehicles. Crossing brooks can not always be avoided. In this case bridges or culverts have to be built. READ MORE