Essays about: "Scots pine needles"

Showing result 1 - 5 of 12 essays containing the words Scots pine needles.

  1. 1. Foliar fungal communities of naturally regenerated and nursery-produced Scots pine (Pinus sylvestris) seedlings

    University essay from SLU/Dept. of Forest Mycology and Plant Pathology

    Author : Sara López Fernández; [2023]
    Keywords : Endophytes; high-throughput sequencing; foliar fungi; forest nursery; fungal community; fungal pathogens; metabarcoding; mycobiome; Pinus sylvestris; pine seedlings; Scots pine needles;

    Abstract : Endophytic fungal communities living in leaves of trees can have a significant impact on their hosts,showing both beneficial and detrimental effects. Some mutualistic fungal species protect the host against pathogens or herbivores, while pathogenic species can increase the vulnerability of the host against biotic and abiotic stresses. READ MORE

  3. 2. Barium in the O horizon of soils near Sundsvall, northern Sweden : From local minerals or from anthropogenic emissions?

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Mattias Åsberg Gencturk; [2023]
    Keywords : Barium; soil; organic horizon;

    Abstract : Concentrations of potentially toxic metals in surface soils are important to investigate before building new residential areas. Prior to development of a residential area in Sundsvall, northern Sweden, it was observed that barium (Ba) concentrations in the soil at the site exceeded the guideline value of 200 mg kg-1 outlined by the Swedish Environmental Protection Agency. READ MORE

  4. 3. Aluminum levels in the O-horizon of soils near Sundsvall, Sweden : Are levels of Al elevated due to smelter emission?

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Mattias Sundin; [2023]
    Keywords : Aluminium; Smelter emissions; O-horizon; Al concentration; Scots’ pine needles;

    Abstract : Aluminum (Al) is a potentially toxic element for humans, animals, and plants. Al emitted from smelter plants is one source of Al that may be responsible for increased exposure to humans and the environment. READ MORE

  5. 4. Kvävegödslingens effekter på bladyta och trädkronor i tallbestånd

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

    Author : Carl Åhlund; [2023]
    Keywords : bladyteindex; tall; gödsling; trädkronor; barr lear area index; scots pine; fertilization; tree crowns; needles;

    Abstract : Kvävegödsling är en produktionshöjande åtgärd som varit väl etablerad i Sverige genom åren. På grund av gödslingens miljöpåverkan och allmänt högre kunskap om gödsling så är skötselåtgärden inte lika frekvent utnyttjad som den var runt 70-talet. READ MORE

  6. 5. Effekter på barrplantors rot- och skottillväxt efter sju veckors odling med tillförsel av oorganiskt respektive organiskt kväve

    University essay from SLU/School for Forest Management

    Author : Beatrice Lind; Mikaela Kilberg; [2021]
    Keywords : gödsling; aminosyror; arginin; RGC-bad;

    Abstract : Genom att styra tillförseln av olika näringsämnen kan skogsplantors tillväxt och kvalité påverkas. Det näringsämne som behöver tillsättas i störst mängd är kväve. READ MORE