Essays about: "dbh growth"

Showing result 16 - 20 of 32 essays containing the words dbh growth.

  1. 16. Do 25 years old skid tracks restrict growth and survival? : a study on growth conditions for the planted regeneration in a rainforest rehabilitation project

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

    Author : Malin Boström; [2015]
    Keywords : näringsbegränsning; penetrationsmotstånd; bulkdensitet; jordegenskaper; trädtillväxt; nutrient limitation; penetration resistance; bulk density; soil properties; tree growth;

    Abstract : The rainforests of the world are important not only to the countries in which they grow but to the world as a whole. They influence oxygen and water circulation as well as carbon sequestration which in turn affect global radiation and global warming. READ MORE

  3. 17. Development of single oak trees in a mixed coniferous stand

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Joakim Frick; [2015]
    Keywords : oak; oak management; Quercus petraea; Quercus robur; Quercus robur; growth; competition; mixed species; oak thinning; crown size; Norway spruce;

    Abstract : Pedunculate oak (Quercus robur) and sessile oak (Quercus petraea) are important tree species in the southern half of Sweden. Oak trees house a large biological fauna and can have high value timber. Managing oaks in pure stands is common but a large portion of oak is found in admixed in coniferous stands. READ MORE

  4. 18. Uttagsnivån i förstagallring och dess inverkan på framtida tillväxt och avkastningspotential i talldominerade bestånd : en jämförelse mellan beståndsgående- och stickvägsgående maskiner

    University essay from SLU/Department of Forest Biomaterials and Technology (from 131204)

    Author : Liza Edlund; [2015]
    Keywords : beståndsgående; framskrivningsmodell; gallringsskador; stickvägsareal; stickvägsgående;

    Abstract : Vid gallring kan två huvudmetoder urskiljas, nämligen gallring med stickvägsgående- eller med beståndsgående maskiner. Allt fler avverkningsmaskiner för småskaligt skogsbrukande har under den senaste tiden utvecklats, bland dessa utvecklare finns maskintillverkaren Vimek AB i Vindeln. READ MORE

  5. 19. Tree species traits response to different canopy cover for 34 tree species in an enrichment planted tropical secondary rain forest in Sabah, Malaysia

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

    Author : Li Videkull; [2014]
    Keywords : Climax species; crown growth; dbh growth; Dipterocarpaceae; forest rehabilitation; height growth; pioneer species; tree species traits; tropical rain forest; wood density; diametertillväxt; höjdtillväxt; klimaxarter; krontillväxt; pionjärarter; skogsrehabilitering; tropisk regnskog; trädslagsegenskaper; veddensitet;

    Abstract : Tropical rain forests only cover around six percent of the world’s land area and contain around 70 % of the world´s animals and plants. Tropical rainforests have been, and still are, negatively affected by human activities. These activities lead to forest degradation which has negative impacts on production and biodiversity. READ MORE

  6. 20. The growth dynamics of Douglas fir in Sweden and Finland : application of the 3-PG stand growth model

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

    Author : Wolfgang Nemec; [2014]
    Keywords : Douglas fir ; Pseudotsuga menziesii; Scandinavia; growth dynamics; 3-PG stand growth model; model validation;

    Abstract : Little research has yet been conducted on the growth of Douglas fir (Pseudotsuga menziesii (Mirbel) Franco var. menziesii) in Sweden albeit its potentials as a commercial tree species in the future. Therefore, this study aimed at capturing currently available field and reference data for the purpose of evaluation. READ MORE