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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Damage caused by drought

Dry cracks and dryness caused by frost are damage symptoms which can occur due to water shortages in the forest. What are the causes and what measures help when the risk is identified?

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Handbook: Water in the Forest

The handbook examines the effects of excess of water, drought and snow and ice in forests. The authors cover numerous issues, recommend preventative measures and provide guidance for further information.

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The Asian longhorned beetle in Europe

The ALB was first spotted on European soil in 2001. Sightings of infestations have been on the rise since.

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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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The Insect Pest Handbook: Prevention – Identification – Action

Besides bark beetles & Co, there are many other insects that can cause considerable damage to forests. What can be done when beetles, caterpillars or aphids are threatening the forest?

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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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Heading image: Ulrich Wasem