Forest ecology

Forest ecology

The forest is more than just the sum total of all its trees and more than a producer of raw materials: it is a manifold habitat. Trees and bushes, fungi and lichens all grow here. Apart from game many other animals live in the forest. Nature conservation aims at protecting this variety as well as single species. In addition the forest is also used by us for recreation and relaxation. The interaction and reciprocation between the various elements in the forest eco-system provide the framework for an optimal fulfilment of all forest functions.

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3. Management Recommendations near Wetlands

Part 3 of the "Cartographic survey of wetlands in the Alsatian public forests of the Vosges" by the ONF: Management Recommendations

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Effective Forest Management Techniques for Watercourses

In this article the influence of forest management measures on forest watercourses are examined and evaluated. It mainly deals with timber extraction, use and finally forestry planning.

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Influence of Forest Management on Water Quality

Forest management measures have greater or lesser influences on the water quality of forest streams. Using four different case studies this interrelationship is examined and forestry options to guide water quality are derived.

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Ecosystem-friendly Forestry at Streams in Low Mountain Ranges

Forestry use of stands along sensitive streams does not have to be bad for these watercourses. Appropriate forest management can rule out negative consequences for these watercourses. (2)
Tree rings – a phenological calendar of the past?

Long term phenological observations as well as tree ring time series provide information about past climatic conditions. Unfortunately data gaps in phenological observations cannot be reconstructed or can they? (16)
Climate change: Forests as a major keeper of greenhouse gases at risk of being lost entirely

Forests might lose their critical role as massive sinks for absorbing greenhouse gases. Climate change-induced environmental stresses threaten to damage forests and even decimate them worldwide. (22)
Promoting lungwort through commercial use

Like many other indigenous lichen species lungwort is threatened. In Switzerland it is protected. However, lungwort would be better served if an ingenious plan was put into practice. A cough syrup producer is aiming at acquiring a collection permit.

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Mire protection in Switzerland – conclusion after 20 years

Mires and mire landscapes of exceptional beauty and national importance have been protected in Switzerland since 1987. How effective has this protection been?

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Fungi as pioneers after fire

Large trees weakened by fire provide ideal conditions for fungal colonisation. The Research Institute WSL is investigating the reaction of beech, oak and chestnut trees to forest fires and observing which fungi colonise the trees.

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Sunlight and Deadwood – a paradise for wood living beetles

Over the last three decades there have been intensive discussions about leaving deadwood in forests. It is undisputed that more deadwood needs to be left in forests if the variety of species is to be increased. New habitats for many species including rare ones are being created by additional thinning out. (18)
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Heading image: Thomas Reich