The results of the 2006 national forest condition survey show little change when compared with those of the previous year.
The crown condition of forest trees has been recorded annually since 1984. Crown condition assessment is part of a harmonised European system of environmental forestry monitoring which is the only one of its like in the world. Environmental forestry monitoring serves to record the condition of forest soils and the nutritional status of forest trees as well as the crown condition. The monitoring system also records and assesses the effects of air pollution, the influence of climate change and the complex interactions with biotic stress factors such as insect and fungal infestation.
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