Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrations
This investigation examined the effects of two different carbon dioxide concentrations ([CO2]): Ambient (A, 385 μmol (CO2) mol−1) and elevated (E, A+385 μmol (CO2) mol−1)) on the tree-ring width and early to latewood proportion in Norway spruce for seven years (2006-2012). Further, to improve our un...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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Sciendo
2016-12-01
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| Series: | Metsanduslikud Uurimused |
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| Online Access: | https://doi.org/10.1515/fsmu-2016-0011 |
| _version_ | 1818307254636511232 |
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| author | Badraghi Aysan Pokorný Radek Novosadová Kateřina Pietras Justina Marek Michal V. |
| author_facet | Badraghi Aysan Pokorný Radek Novosadová Kateřina Pietras Justina Marek Michal V. |
| author_sort | Badraghi Aysan |
| collection | DOAJ |
| description | This investigation examined the effects of two different carbon dioxide concentrations ([CO2]): Ambient (A, 385 μmol (CO2) mol−1) and elevated (E, A+385 μmol (CO2) mol−1)) on the tree-ring width and early to latewood proportion in Norway spruce for seven years (2006-2012). Further, to improve our understanding of the influence of climatic variables, we assessed the effects of precipitation and temperature. Our observations showed that spruce trees growing under elevated CO2 (EC) formed less early (p > 0.05) and latewood (p < 0.05) and hence smaller annual increments (p > 0.05) than trees in ambient CO2 (AC). Early to latewood proportion was nearly 73% and 75% in AC and EC, respectively. In both CO2 concentrations, the largest tree-rings and earlywood width was observed during 2009 and 2010, which is coincident with the highest precipitation in May (2010) and the highest air temperature in April (2009). Moreover, to determine the association between the latewood formation and air temperature during the second half of the growing season, and correlation between the earlywood formation and precipitation during the first half of the growing season we run Spearman’s correlation test, the determination coefficient values for latewood formation were r = 0.45 (AC) and r = 0.68 (EC), and for earlywood formation were r = 0.53 (AC) and r = 0.42 (EC), although coefficient values were not statistically significant (p > 0.05). Also, our study indicated that temperature had stonger influence than precipitation in EC, but in AC precipitation had the strongest effect on radial growth. |
| first_indexed | 2024-12-13T06:55:28Z |
| format | Article |
| id | doaj.art-e3a8561604b7407e84e3d28433749976 |
| institution | Directory Open Access Journal |
| issn | 1736-8723 |
| language | English |
| last_indexed | 2024-12-13T06:55:28Z |
| publishDate | 2016-12-01 |
| publisher | Sciendo |
| record_format | Article |
| series | Metsanduslikud Uurimused |
| spelling | doaj.art-e3a8561604b7407e84e3d284337499762022-12-21T23:56:03ZengSciendoMetsanduslikud Uurimused1736-87232016-12-01651435610.1515/fsmu-2016-0011Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrationsBadraghi Aysan0Pokorný Radek1Novosadová Kateřina2Pietras Justina3Marek Michal V.4Department of Biomass and Water Regime, Global Change Research Centre, Academy of Science of the Czech Republic, Belidla 986/4a, CZ 60300, Brno, Czech Republic CzechiaDepartment of Biomass and Water Regime, Global Change Research Centre, Academy of Science of the Czech Republic, Belidla 986/4a, CZ 60300, Brno, Czech Republic CzechiaDepartment of Biomass and Water Regime, Global Change Research Centre, Academy of Science of the Czech Republic, Belidla 986/4a, CZ 60300, Brno, Czech Republic CzechiaDepartment of Biomass and Water Regime, Global Change Research Centre, Academy of Science of the Czech Republic, Belidla 986/4a, CZ 60300, Brno, Czech Republic CzechiaDepartment of Biomass and Water Regime, Global Change Research Centre, Academy of Science of the Czech Republic, Belidla 986/4a, CZ 60300, Brno, Czech Republic CzechiaThis investigation examined the effects of two different carbon dioxide concentrations ([CO2]): Ambient (A, 385 μmol (CO2) mol−1) and elevated (E, A+385 μmol (CO2) mol−1)) on the tree-ring width and early to latewood proportion in Norway spruce for seven years (2006-2012). Further, to improve our understanding of the influence of climatic variables, we assessed the effects of precipitation and temperature. Our observations showed that spruce trees growing under elevated CO2 (EC) formed less early (p > 0.05) and latewood (p < 0.05) and hence smaller annual increments (p > 0.05) than trees in ambient CO2 (AC). Early to latewood proportion was nearly 73% and 75% in AC and EC, respectively. In both CO2 concentrations, the largest tree-rings and earlywood width was observed during 2009 and 2010, which is coincident with the highest precipitation in May (2010) and the highest air temperature in April (2009). Moreover, to determine the association between the latewood formation and air temperature during the second half of the growing season, and correlation between the earlywood formation and precipitation during the first half of the growing season we run Spearman’s correlation test, the determination coefficient values for latewood formation were r = 0.45 (AC) and r = 0.68 (EC), and for earlywood formation were r = 0.53 (AC) and r = 0.42 (EC), although coefficient values were not statistically significant (p > 0.05). Also, our study indicated that temperature had stonger influence than precipitation in EC, but in AC precipitation had the strongest effect on radial growth.https://doi.org/10.1515/fsmu-2016-0011ambient co2elevated co2wood formationradial incrementcarbon relationsconifers |
| spellingShingle | Badraghi Aysan Pokorný Radek Novosadová Kateřina Pietras Justina Marek Michal V. Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrations Metsanduslikud Uurimused ambient co2 elevated co2 wood formation radial increment carbon relations conifers |
| title | Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrations |
| title_full | Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrations |
| title_fullStr | Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrations |
| title_full_unstemmed | Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrations |
| title_short | Climate sensitivity of radial growth in Norway spruce (Picea abies (L.) Karst.) under different CO2 concentrations |
| title_sort | climate sensitivity of radial growth in norway spruce picea abies l karst under different co2 concentrations |
| topic | ambient co2 elevated co2 wood formation radial increment carbon relations conifers |
| url | https://doi.org/10.1515/fsmu-2016-0011 |
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