All english articles in waldwissen.net

All english articles in waldwissen.net

 
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Growth performance of introduced tree species in Baden-Württemberg

The state forest of Baden-Württemberg has been managed for decades according to the principles of close-to-nature forestry, which includes the prioritisation of native tree species. Recently the climate change puts the guaranteed future of these species into question.

Spreading dynamics of the European spruce bark beetle in the Black Forest National Park

The goal of the research is to identify the locations that are preferred by I. typographus and thus would be particularly at risk for infestation. To achieve this, the specific characteristics of landing sites are analyzed to determine the preferred stand and terrain structures that are preferred during dispersion.

Do Wildlife Warning Reflectors Influence the Behavior of Roe Deer?

Every year, 260,000 wild animals are killed in road accidents. Eight-five percent of those animals are roe deer. In Germany, one accident involving wildlife happens every two minutes. Does the light stimulus of the blue reflectors minimize behavior of wildlife that leads to accidents?

01.03.2018 Wildcats in Bavaria
Wildcats in Bavaria

The wildcat was extinct in Bavaria. Now it is back, especially in the northern part. A monitoring programme based on DNA-analysis provides information on them.

25 Years Conventwald Ecosystem Study

How does silviculture affect the forest soil? Since 1991 scientists observe and examine water and element cycles in the Conventwald in connection with different types of silvicultural management. This article depicts the study including current research results.

Side slope stabilisation on unstable ground

The construction of forest tracks can be a real challenge if the underlying soil is very soft. If this is the case, geogrids can be used to stabilise the side slopes. The “Mechanically Stabilised Earth” system has already been used in flysch.

Long-term storage of roundwood – an overview of methods

In the wake of storm calamities, the forestry industry is often faced with having to log and then sell or store huge volumes of timber. With the right approaches to storing the roundwood, economic damage can however be kept to a minimum.

Income loss and work safety of the Habitat Tree Groups

Since 2010 habitat trees, habitat tree groups (HBG) and small-scale forest reserves have been designated and protected in the Baden-Württemberg state forest, as part of the Habitat Tree and Deadwood Concept (AuT). In order to increase the work safety HBGs are bundled.

Verticillium wilt in sycamore

The wilting of shoots and trunk necrosis – the cause of these symptoms in the sycamore is a fungus called Verticillium dahliae. A project was set up to find out where it occurs and whether drought stress favours its development.

Zigzag elm sawfly recorded in Switzerland for the first time

In June 2017, the zigzag elm sawfly, an invasive species originating in East Asia, was found in Switzerland for the first time, in wych elms in the Canton of Zurich. It has been spreading across Europe since 2003.

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