Kategori: Skog

Forest seed and plants in the green shift

The quality of seed and plants planted today is decisive for the wood quality of the forest in 70-100 years. Pål Vidar Sollie from the Ministry of Agriculture and Food opened the meeting, with pointing to the importance of forests...

Läs hela artikeln

Tree species mixing can increase stand productivity

Here, we give a brief overview of the current knowledge of tree species mixing effects on growth at the stand, species, and tree level. Main causes of the tree species mixing effects Overyielding of mixed versus mono-specific stands results mainly...

Läs hela artikeln

What’s natural?

The study of past landscapes and ecosystems is known as paleoecology, which is closely related to geology, biology and botany, as well as history and archaeology. The unique benefit of paleoecology as compared to neo-ecology is the time perspective, as...

Läs hela artikeln

Establishment of high-productive mixtures

With increased awareness of wood production for bioenergy, high-productive mixed stands become more relevant for forestry where high growth rate, high carbon sequestration and resilience are combined with other important goals. For example, two-storied mixed plantations combining late successional and...

Läs hela artikeln

Mixed forests at the scene

– Mixed-species forests can fulfil many forest functions and services better than mono-specific stands and receive growing attention in forest science and practice. Hans Pretzsch, professor at the Technical University of Munich has his expertise in silviculture and has worked...

Läs hela artikeln

Nordic cooperation on subalpine fir

One aim of the Ph.D project is to gather the overall existing information on the differences between and within the different provenances of subalpine fir (Abies lasiocarpa) with regards to mortality, growth, tree properties, resistance to aphids and fungi, post-harvest...

Läs hela artikeln

Is Nordic forestry prepared for climate change?

NordGen Forest policy brief: Is Nordic forestry prepared for climate change? Climate change is recognised as one of the most important challenges for both society and many ecosystems. Although forest ecosystems are generally robust, there is a concern that the...

Läs hela artikeln

Introduced species in Nordic forestry

The Nordic cooperation aims for carbon neutrality within the energy sector by 2015. – This goal is difficult to reach if one does not include forest biomass to a greater degree, with foreign tree species playing an important part when...

Läs hela artikeln

The state of healthy Ash in Denmark

Text: Ditte C. Olrik, Ministry of Environment and Food of Denmark, Nature Agency Ash dieback disease is characterised by necrosis in the bark and basal part of the stem, as well as leaf loss, formation of epicormic shoots and crown dieback....

Läs hela artikeln

Finnish pedunculate oak measured for growth and survival

Text: Juho Hautsalo,  Natural Resources Institute Finland (Luke) Finnish pedunculate oak (Quercus robur) populations are very small, isolated and when compared to Central European oak populations they have higher genetic diversification rate and lower diversity. This is typical for populations...

Läs hela artikeln