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| Description
| - Vegetative phenological stages were evaluated in a spruce monoculture of the third age class in the region of the Drahanská vrchovina Upland. Methods of the ČHMÚ (Czech Hydro-Meteorological Office) were used. Temperature requirements of Norway spruce for the onset of particular phenological stages were evaluated on the basis of sums of air eff ective temperatures higher than 5oC and at soil temperatures, values exceeding 1 oC were taken into account. In the paper, years 2005 to 2007 were evaluated. Results obtained were compared with long-term monitoring for the period 1991--2004. The onset and duration of phenological stages diff ered in particular years depending on the course of weather. Evaluation of the 17-year period shows that onsets of phenological stages in particular years diff ered markedly. An interval for the %22onset of budbreak stage%22 was 13 days, at the %22stage of 50% foliation%22 14 days, the %22stage of 100% foliation%22 17 days. At the stage %22full foliation%22, the interval amounts to 33 days in the period 1991 to 2007. The start of budbreak and foliation is aff ected by air and soil temperatures, which was also proved by statistical evaluations. High dependence between the onset of budbreak and air temperatures is confi rmed by statistically signifi cant correlation coeffi cients R2 = 0.854 (2005--2007) and R2 = 0.754 (1991--2004). Dependence of the onset of budbreak and foliation on the soil temperature is proved by a correlation coeffi cient R2 = 0.658 (2005 to 2007) and R2 = 0.687 in the period 1991 to 2004. Results show that in recent years, the earlier onset of spring phenological stages occurs at the higher sum of eff ective temperatures. The length of their duration shortens.
- Vegetative phenological stages were evaluated in a spruce monoculture of the third age class in the region of the Drahanská vrchovina Upland. Methods of the ČHMÚ (Czech Hydro-Meteorological Office) were used. Temperature requirements of Norway spruce for the onset of particular phenological stages were evaluated on the basis of sums of air eff ective temperatures higher than 5oC and at soil temperatures, values exceeding 1 oC were taken into account. In the paper, years 2005 to 2007 were evaluated. Results obtained were compared with long-term monitoring for the period 1991--2004. The onset and duration of phenological stages diff ered in particular years depending on the course of weather. Evaluation of the 17-year period shows that onsets of phenological stages in particular years diff ered markedly. An interval for the %22onset of budbreak stage%22 was 13 days, at the %22stage of 50% foliation%22 14 days, the %22stage of 100% foliation%22 17 days. At the stage %22full foliation%22, the interval amounts to 33 days in the period 1991 to 2007. The start of budbreak and foliation is aff ected by air and soil temperatures, which was also proved by statistical evaluations. High dependence between the onset of budbreak and air temperatures is confi rmed by statistically signifi cant correlation coeffi cients R2 = 0.854 (2005--2007) and R2 = 0.754 (1991--2004). Dependence of the onset of budbreak and foliation on the soil temperature is proved by a correlation coeffi cient R2 = 0.658 (2005 to 2007) and R2 = 0.687 in the period 1991 to 2004. Results show that in recent years, the earlier onset of spring phenological stages occurs at the higher sum of eff ective temperatures. The length of their duration shortens. (en)
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| Title
| - Evaluation of vegetative phenological stages in a spruce monoculture depending on parameters of the environment
- Evaluation of vegetative phenological stages in a spruce monoculture depending on parameters of the environment (en)
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| skos:prefLabel
| - Evaluation of vegetative phenological stages in a spruce monoculture depending on parameters of the environment
- Evaluation of vegetative phenological stages in a spruce monoculture depending on parameters of the environment (en)
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| skos:notation
| - RIV/62156489:43410/11:00181264!RIV12-MSM-43410___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/62156489:43410/11:00181264
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - effective temperature; weather; temperature sum; Norway spruce; phenological stages (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Bednářová, Emilie
- Merklová, Lucie
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| http://linked.open...n/vavai/riv/zamer
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| issn
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| number of pages
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| http://localhost/t...ganizacniJednotka
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