Essays about: "non-native tree species"

Found 3 essays containing the words non-native tree species.

  1. 1. Reforestation in the far north : comparing effects of the native tree species Betula pubescens and the non-native Pinus contorta in Iceland

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Elin Fries; [2017]
    Keywords : Iceland; non-native tree species; understory vegetation; P. contorta; B. pubescens;

    Abstract : The use of non-native tree species in forestry is both praised and questioned. Foresters have often promoted their use, mainly because of higher growth rates, resilience to pests and diseases and improved survival under harsh conditions. READ MORE

  2. 2. Natural regeneration of Sycamore maple in southern Sweden and Lithuania

    University essay from SLU/Southern Swedish Forest Research Centre

    Author : Vidas Ambrazevicius; [2016]
    Keywords : sycamore; source; adjacent stand; dispersal; natural regeneration; density; deedlings; samplings;

    Abstract : Sycamore maple (Acer pseudoplatanus) is a widespread but minor species in many central European countries. In Sweden and Lithuania it is non-native tree species, but natural distribution range is less than 100 km away in neighbouring countries. However here sycamore is able to regenerate and disperse to local forest stands. READ MORE

  3. 3. Förutsättningar för naturhänsyn i bestånd med contortatall (Pinus contorta)

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

    Author : Elisabet Ekblad; [2015]
    Keywords : Pinus contorta; naturhänsyn; naturvärde; biologisk mångfald; Forest Stewardship Council; svensk skogsvårdslagstiftning; environmental consideration; high conservation value; biodiversity; the Swedish Forestry Act;

    Abstract : Det främmande trädslaget P. contorta (Pinus contorta) infördes storskaligt till Sverige på 1970-talet i syfte att motverka en befarad virkessvacka under 2000-talet. Idag finns uppskattningsvis 600 000 ha contortaskogar i Sverige och delar av dessa arealer närmar sig gallrings- och avvecklingsläge. READ MORE