Essays about: "abiotic"

Showing result 16 - 20 of 133 essays containing the word abiotic.

  1. 16. Tree growth and field vegetation in forest edge zones on a property in southeast Sweden

    University essay from Linnéuniversitetet/Institutionen för skog och träteknik (SOT)

    Author : Pieter van Tongeren; [2023]
    Keywords : tree growth; diversity; field vegetation; edge zones; edge effect;

    Abstract : Summary  In the 1990s a new way of thinking about forestry started. One of the effects of the changing silvicultural practices was that the size of clearcuts became smaller. As the felling areas were reduced in size, the areas where young and older forest meet grew, with this also the occurrence of edge zones increased. READ MORE

  3. 17. Reindeer grazing, soil wetness and aspect interact to drive tundra plant community structure in northern Sweden

    University essay from Stockholms universitet/Institutionen för naturgeografi

    Author : Emma Gemal; [2023]
    Keywords : tundra plants; vegetation; abiotic vs. biotic effects; community composition; diversity; reindeer herbivory; accelerometry; grazing;

    Abstract : The relative importance of abiotic versus biotic top-down factors on structuring tundra plant communities is debated. With climate change already strongly affecting the tundra ecosystem, understanding which factors will prevail is vital. READ MORE

  4. 18. Comparison of native and introduced tree species in a range from low to high productivity sites in southern Sweden

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Gailene Brazaityte; [2023]
    Keywords : introduced tree species; low productivity sites; moderate productivity sites; high productivity sites; Picea abies; Pinus sylvestris; Betula pendula; Picea glauca; Picea mariana; Picea sitchensis; Pinus contorta; Pseudotsuga menziesii; Abies grandis; Populus balsamifera; Larix x eurolepis; Populus tremula × Populus tremuloides;

    Abstract : The dilemma of climate change, biodiversity conservation and economic efficiency in nowadays forestry leads us to search for the new solutions. Introduction of non-native tree species becomes a more frequently explored field as a solution for the future problems. READ MORE

  5. 19. MOUNTAIN ROADS AND THE HOMOGENIZATION OF PLANTS. A study on plant communities and their traits along the elevational gradient.

    University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskap

    Author : Violetta Chernoray; [2022-09-28]
    Keywords : anthropogenic disturbance; spatial ecology; Northern Scandes; functional traits; roadsides; beta-diversity.;

    Abstract : Overexploitation, land use, and other anthropogenic disturbances have increased in recent years, and are expected to increase even further. A very common anthropogenic disturbance, that can be seen even as far as in mountain regions, is roads. READ MORE

  6. 20. Biologisk bekämpning av rotgallnematoderna Meloidogyne chitwoodi & Meloidogyne fallax

    University essay from SLU/Dept. of Biosystems and Technology (from 130101)

    Author : Ellen Johansson; [2022]
    Keywords : Växtparasitära nematoder; Sedentära nematoder; Tillsättande biologisk bekämpning; Pasteuria spp.;

    Abstract : Bland de växtparasitära nematoderna är släktet rotgallnematoder ett av de ekonomiskt sett mest betydelsefulla. I Sverige har ett flertal arter av rotgallnematoder påträffats och bland de som senast påträffats hör Meloidogyne chitwoodi och M. fallax som upptäcktes i Sverige år 2017 respektive 2018. Meloidogyne chitwoodi och M. READ MORE