"Truparov\u00E1, Sabina" . "The paper evaluates the onset and duration of spring vegetation phenological stages in a spruce monoculture of the relation to changing parameters of the environment. Temperature requirements of Norway spruce necessary for the onset particular phenological stages were evaluated on the basis of sums of effective temperatures over 5o C. The statical processing of results obtained demonstrated th high dependence of the onset of particular phenological stages on the temperature of air and soil. Particular factors affectingbudbreak and foliation cannot be detached and thus , it is necessary to be evaluated as a complex of influences. Long-term Phenological studies of forest trees can serve as the bioindicator of climatic changes." . "Bedn\u00E1\u0159ov\u00E1, Emilie" . "[8091A97697CF]" . . "Monitoring the spring phenological stages in spruce monoculture in the Drahansk\u00E1 vrchovina upland in 2005-2011"@en . "3"^^ . . "Z(MSM6215648902)" . "Merklov\u00E1, Lucie" . "Monitoring the spring phenological stages in spruce monoculture in the Drahansk\u00E1 vrchovina upland in 2005-2011"@en . . . "60" . . . . "RIV/62156489:43410/12:00193271" . "Monitoring the spring phenological stages in spruce monoculture in the Drahansk\u00E1 vrchovina upland in 2005-2011" . "6"^^ . "151699" . "43410" . "effective temperature; weather; Norway spruce (Picea abies /L./; monoculture; phenological stages; ekosystems; soil temperature"@en . "RIV/62156489:43410/12:00193271!RIV13-MSM-43410___" . . "Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis" . . . . . . . . . . "1211-8516" . . . "Monitoring the spring phenological stages in spruce monoculture in the Drahansk\u00E1 vrchovina upland in 2005-2011" . "CZ - \u010Cesk\u00E1 republika" . . . "3"^^ . . "6" . "The paper evaluates the onset and duration of spring vegetation phenological stages in a spruce monoculture of the relation to changing parameters of the environment. Temperature requirements of Norway spruce necessary for the onset particular phenological stages were evaluated on the basis of sums of effective temperatures over 5o C. The statical processing of results obtained demonstrated th high dependence of the onset of particular phenological stages on the temperature of air and soil. Particular factors affectingbudbreak and foliation cannot be detached and thus , it is necessary to be evaluated as a complex of influences. Long-term Phenological studies of forest trees can serve as the bioindicator of climatic changes."@en .