Essays about: "biotic factors"

Showing result 1 - 5 of 49 essays containing the words biotic factors.

  1. 1. Non-native plants in mountain ecosystems. An exploration of plant diversity and its response to road disturbance and alien invasion.

    University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskap

    Author : Anderberg Lina; [2023-10-19]
    Keywords : ;

    Abstract : Understanding patterns of invasive plants becomes ever more important as anthropogenic presence continues to facilitate their spread. In mountainous landscapes, cases of establishment by nonnative species have become frequent, despite the environmentally unfavorable conditions for plants less adapted to the harsh climate. READ MORE

  3. 2. Evaluation of River Restoration Measures: Interstitial Habitat Variables and Salmon Hatching Rates as Indicators of Success

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning; Uppsala universitet/Limnologi

    Author : Jonas Emanuelsson; [2023]
    Keywords : ;

    Abstract : River ecosystems are some of the most complex ecosystems on Earth, characterized by a highly heterogenous environment which is able to sustain a disproportionally high level of biodiversity in relation to the area of which they occupy. However, anthropogenic activities are encroaching on the highly diverse riverine landscape, threatening freshwater biodiversity. READ MORE

  4. 3. Scots pine (Pinus sylvestris L.) morphological variation in the Massif Central region, France. : A study of differences in traits between populations.

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

    Author : Amanda Johansson; [2023]
    Keywords : ;

    Abstract : Scots Pine (P. sylvestris L.) has one of the largest distributions among trees in Eurasia. It is important both economically and ecologically, with a dominant role in forests ecosystems. READ MORE

  5. 4. 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

  6. 5. Forskning och nyttjande av mykorrhiza inom nordiskt jordbruk : en litteraturstudie

    University essay from SLU/Dept. of Soil and Environment

    Author : Tova Väätäinen; [2023]
    Keywords : inokulering; AM; Norden; vete; linser; potatis;

    Abstract : Glomeromycota är en division svampar som bildar arbuskulär mykorrhiza (AM) med mer än 80% av alla landlevande växter. Via denna symbios får svampen kolhydrater från växten och i gengäld får växten näringsämnen. READ MORE