Forest protection

Forest protection

Loss events such as windfall, bark beetle or game damage present an ever re-occurring challenge to forest staff. These very complex relationships need careful evaluation. Therefore extensive knowledge of causes and counter-measures is essential.

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02.07.2015 Ash dieback
Ash dieback

Ash dieback first occurred in Europe in 1992 in north-eastern Poland. In Baden-Wuerttemberg, the symptoms were first detected in plantations and natural regeneration in the spring of 2009. The FVA is studying ash dieback intensively.

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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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Bioacoustic - a method to detect woodboring insects

The aim of this preliminary study was to provide a better understanding of the bioacoustics of woodboring insects in order to develop a practical method for early detection. Sound emissions from larvae of the red palm weevil, the asian longehorn beetle and longhorn beetle of the genus Monochamus were analyzed.

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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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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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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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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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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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Heading image: FVA/Hanne Gössl