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THE EFFECT OF ENHANCED UV-B RADIATION ON NORWAY SPRUCE (Picea abies (L.) Karst.) AND CONSEQUENCES FOR THE MOUNTAIN FOREST
Norway spruce (Picea abies) trees UV-B radiation photochemical efficiency ETS
2009/11/26
Norway spruce trees from the subalpine stand are exposed not only to high UV-B radiation but also to a complex of other environmental factors, such as high photosynthetically active radiation, extreme...
SOLAR RADIATION MEASUREMENTS IN FORESTS-II. METHODS BASED ON THE PRINCIPLE OF HEMISPHERICAL PHOTOGRAPHY
solar radiation assessment silviculture horizontoscope hemispherical photography
2009/11/25
The know-how in the field of solar radiation distribution in forests is important for basic ecological investigations and silvicultural practice. Three methods of solar radiation assessment based on h...
SOLAR RADIATION MEASUREMENTS IN FORESTS-I. EVALUATION OF METHODS AND INSTRUMENTS
solar radiation radiation measurements silviculture photosinthesis photosynthetically active radiation
2009/11/25
Solar energy sustains ecosystems on earth, therefore solar radiation measurements are the basis for ecological research in forests. Silviculturists in particular should be aware at least of the basic ...