Essays about: "bioindicator"

Showing result 11 - 15 of 16 essays containing the word bioindicator.

  1. 11. Modellering av tånglakens, Zoarces viviparus, habitat i Östersjön

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Emelie Öhnstedt; [2015]
    Keywords : habitatmodellering; tånglake; Zoarces viviparus; generalised additive model; Östersjön;

    Abstract : Att förstå sambandet mellan miljövariabler och fiskarters förekomst eller abundans är en väsentlig del i att bedriva ekosystembaserat bevarandearbete och ekologiskt hållbart fiske. Tånglaken, Zoarces viviparus, var klassad som nära hotad på rödlis-tan 2010 och på HELCOM Red List of the Baltic Sea 2013. READ MORE

  3. 12. Relationships between soil management and pathogen suppressive soils in southern Sweden : an interdisciplinary analysis

    University essay from SLU/Dept. of People and Society

    Author : Michael Löbmann; [2015]
    Keywords : soil; suppressiveness; plant pathogen; Pythium ultimum; wheat; cropping sequence; conservation; biological control; agroecology; nematodes; bioindicator;

    Abstract : A holistic study on soil-borne pathogen management with suppressive soils was performed in Scania, Sweden. The study was designed to comprise both social and biological research to gain a systemic perspective on the real-life situation of Swedish farmers regarding plant pathogens and soil management. READ MORE

  4. 13. Analysis of Polycyclic Aromatic Hydrocarbons in Freshwater Snails of Family Lymnaeidae from Patholmsviken

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Malin Karlsson; [2015]
    Keywords : ;

    Abstract : Polycyclic aromatic compounds (PAHs) are a group of organic compounds that are very stable and therefore persistent. They can be pyrogenic or petrogenic and PAHs from petrogenic sources are often enriched with alkylated PAHs while pyrogenic sources often contain more of the parent PAH. READ MORE

  5. 14. Epiphytic lichens associated with different traffic intensities along the highway E4

    University essay from SLU/Dept. of Ecology

    Author : Chiho Okuyama; [2011]
    Keywords : Bioindicator; Air pollution; Species richness; Sensitivity; Recolonisation; Disappearance; Forest ecosystem;

    Abstract : Inventories of epiphytic lichens on Scots pine (Pinus sylvestris) were conducted at three sites in east central Sweden: along the newly build motorway (Road E4), along the old road (Road 600) and in a reference site, to compare the effects of traffic pollution on lichen diversities. At each site, species richness, lichen mean sensitivity value (MK), air quality index of the forest stand/sample plot (LKI) and nitrogen impact value (N) were calculated and it was tested if there was any difference between the sites. READ MORE

  6. 15. Mytilus edulis as Bioindicator for Coastal Zone Environmental Assessment : A study of Kosterhavets Marine National Park

    University essay from KTH/Industriell ekologi

    Author : Paulina Garza Martínez; [2009]
    Keywords : Kosterhavets National Marine Park; Bioindicator; Mytilus edulis; Pollution monitoring; Recreational Boating;

    Abstract : Mollusks growth is a very important and sensitive response to environmental stresses sincethey are good indicators of the available amount of contaminants in the water; reduced growth represents adverse environmental effects and possible effects on the population.Sweden has about 3,000 Natural Reserves and 28 National Parks. READ MORE