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All english articles in waldwissen.net

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Forest protection risk of Norway spruce

Numerous insects and fungi are capable of causing damage to spruce and is our tree species with the highest forest protection risk. As a result of climate change the situation will become even more intensified.

Over and above slopes and wetlands: extracting timber with a small cableway

Time to get the timber out of the forest! But how do we do it on slopes that are too steep, or where the ground is too wet? Is a small cableway possibly the solution?

Forest soil - a finite resource

Tree crowns are nowadays often used as a source of energy. This means that less crop residue material remains in the forest after harvesting. Important nutrients are lost with it, and soil fertility and soil quality may suffer.

Stability has deep roots

A well-balanced relationship between root and shoot is a good guarantee for the taking root and survival of forest plants. This should also be taken into consideration when the roots are pruned.

Diplodia shoot dieback of conifers

Obvious signs of dieback, especially in pines, and caused by Diplodia shoot dieback, are nothing new. Up to now, serious damage has been caused only in warmer regions. Is this likely to change as a result of global warming?

Paulownia – a Far Eastern import to pin our hopes on?

The paulownia is pleasing to the eye and provides valuable timber. It is also well adapted to the climate to be expected in Germany. Could this Asian tree species perhaps be a valuable gain for the European forestry industry?

11.04.2020 In and on the oak
In and on the oak

The oak is not only home to many different species of insects. Many species of fungus also live on and in them. This tree species supports more life forms than any other native trees here, and it is thus very important for the biodiversity.

Hawk moths and willowherbs

The majority of moth species live in the tropics, however, about twenty of them live here among us. A number of these excellent flying acrobats can also be found in the forests and a couple of these moths truly adore the willowherb.

Pioneer tree species: ecologically valuable

Pioneer tree species such as goat willow, aspen, silver birch, bird cherry or rowan/mountain ash are the engine of ecological succession in the forest. But why are these tree species so important for the biodiversity of the forest?

Red wood ants in Switzerland

Red wood ants play a vital role in our forests. With their numbers apparently in decline, it is important that we learn more about them: not only how they benefit the forest but also what they require from their habitat.

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