Essays about: "vascular tree"

Showing result 1 - 5 of 12 essays containing the words vascular tree.

  1. 1. Selaginella - phylogeny of the South American species within subgenus Stachygynandrum

    University essay from Uppsala universitet/Institutionen för biologisk grundutbildning

    Author : Hedda Ericsson; [2023]
    Keywords : ;

    Abstract : Selaginellaceae is a family within the lycophytes, and it comprises one genus, Selaginella. They are herbaceous seedless vascular plants found globally, with around 750 species. Selaginella is divided into several subgenera, but there is no classification that is agreed upon. READ MORE

  3. 2. Endophytic fungi in living trees - are communities affected more by tree species, tree age, or geographic origin?

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Lisen Källman; [2022-08-16]
    Keywords : ;

    Abstract : Endophytic fungi are ubiquitous in living vascular plants and have been identified in most terrestrial environments. The endophytes may have various ecological roles such as commensals, symbionts and latent invaders. READ MORE

  4. 3. Deformable image registration using anatomical landmarks in tubular structures

    University essay from KTH/Medicinteknik och hälsosystem

    Author : Jenny Wingqvist; [2021]
    Keywords : Medical image analysis; radiation therapy; deformable image registration; anatomical landmarks; bronchial tree; vascular tree;

    Abstract : Cancer is one of the leading causes of death in the world, but advances in research and development of treatment methods is constantly ongoing to reduce the number of deaths and the amount of suffering. One of many approaches is radiation therapy, which uses high doses of radiation to kill tumors. READ MORE

  5. 4. Automatic Differential Diagnosis Model of Patients with Parkinsonian Syndrome : A model using multiple linear regression and classification tree learning

    University essay from Uppsala universitet/Tillämpad kärnfysik

    Author : Rakel Löwe; Ida Schneider; [2020]
    Keywords : PET; Parkinsonism; Parkinsonian syndrome; multilinear regression; classification tree;

    Abstract : Parkinsonian syndrome is an umbrella term including several diseases with similar symptoms. PET images are key when differential diagnosing patients with parkinsonsian syndrome. In this work two automatic diagnosing models are developed and evaluated, with PET images as input, and a diagnosis as output. READ MORE

  6. 5. Overstory dynamics as an indicator of ecosystem services from the understory vegetation in coniferous forests in Sweden

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Daniel Boczniewicz; [2017]
    Keywords : berry production; biodiversity; ecosystem services; game potential; overstory vegetation dynamics; Picea abies; Pinus sylvestris; understory vegetation; Vaccinium myrtillus; Vaccinium vitis-idaea;

    Abstract : Understory vegetation is a wide and diverse part of the forest environment, which provides a lot of information about the forest, its condition and ecosystem services. Understory vegetation is affected and moulded by the species composition and density of the overstory, which changes growth conditions and productivity in the lower layers during the whole rotation period. READ MORE