Forestry

Forestry

Sustainable, well-planned, near to nature forest management deals with the production of raw timber. The classical central disciplines are silviculture, forest growth and yield and forest planning supplemented by information on the timber market, storage and bio-energy. Loss events, such as windfall, bark beetle or game damage, present an ever re-occurring challenge to forest personnel. Successful management in avoiding and limiting risks and damage is part of an effective operational strategy.

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How far does pollen travel?

Tree pollen travels large distances and there is considerable intermixing of genes in forests. This has both positive and negative consequences for forest management. Small stands are rarely genetically isolated, but seeds from seed stands are less pure than expected.

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The potential, opportunities and risks of using energy wood

The planned implementation of the energy transition is likely to place increasing pressure on natural resources. This raises the question of the potential, opportunities and risks associated with the use of wood for energy in Switzerland.

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Harvest-induced bark damage: a package of research projects

When trees are harvested, it is virtually impossible to avoid that a number of the remaining trees will suffer harvest related damage. However, there is evidence that in forest practice the amount of bark damage inflicted during a harvest operation often exceeds tolerable levels.

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The invasive Asian longhorned beetle

An information sheet outlines the life cycle and significance of two non-native longhorned beetles, explains how to differentiate between them and native species, and sets out ways to combat infestation.

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Measures against insect pests

We see that certain insect species can, through an outbreak, cause problems and therefore appropriate action must be taken. In this article we have collected web links and information about this topic.

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Prevention of damage from insects – prevention is better than cure

Near-natural forests are the best prevention for a potential pest outbreak. But other measures can be productive too. In this article we have collected web links and information about this topic.

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Who's eating my forest? Insect knowledge and identification

For the correct monitoring and application of defensive measures one should identify insect pests as early as possible. Here you can see how you can identify insect pests with books or internet sites or check to see if there is an expert who can help you further.

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The monitoring and prognosis of insect pests

The most important forest insects are monitored using different methods. With this information one can draw conclusions about the size of the populations, recognize hazards and take the appropriate defensive measures.

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The effect of mice, deer and blackberries on naturally regenerated English oaks

During the process of natural regeneration a large number of forest trees die in the germination or seedling phase. This is especially the case with oak trees which are the preferred browsing of hoofed game. The results of the following case study illustrate

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Invasive Neophytes in the Forest

In Switzerland more and more alien plant species are making an appearance in the forests. When these species escape into the wild, and appear in large numbers, they can eliminate indigenous species, cause economic damage or affect people’s health.

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Heading image: Ulrich Wasem