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Water relations in Norway spruce trees growing at ambient and elevated CO2 concentrations

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Water relations in Norway spruce trees growing at ambient and elevated CO2 concentrations. / Kupper, P; Sellin, A; Klimankova, Z; Pokorny, R; Puertolas Simon, Jaime.

In: Biologia Plantarum, Vol. 50, No. 4, 12.2006, p. 603-609.

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Kupper, P, Sellin, A, Klimankova, Z, Pokorny, R & Puertolas Simon, J 2006, 'Water relations in Norway spruce trees growing at ambient and elevated CO2 concentrations', Biologia Plantarum, vol. 50, no. 4, pp. 603-609. https://doi.org/10.1007/s10535-006-0095-0

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Kupper, P ; Sellin, A ; Klimankova, Z ; Pokorny, R ; Puertolas Simon, Jaime. / Water relations in Norway spruce trees growing at ambient and elevated CO2 concentrations. In: Biologia Plantarum. 2006 ; Vol. 50, No. 4. pp. 603-609.

Bibtex

@article{0623455ec3da4e48a22d79dbad145568,
title = "Water relations in Norway spruce trees growing at ambient and elevated CO2 concentrations",
abstract = "Water relations were studied in Norway spruce [Picea abies (L.) Karst.] trees grown at ambient (AC, 350 mu mol mol(-1)) and elevated (EC, 700 mu mol mol(-1)) CO2 concentrations under temperate water stress. The results suggested that both crown position and variability in atmospheric CO2 concentration are responsible for different patterns of crown water relations. Mean hourly sap flux density (FSA) showed higher values in upper crown position in comparison with the whole crown in both AC and EC treatments. Mean soil-to-leaf hydraulic conductance (G(Tsa)) was 1.4 times higher for the upper crown than that calculated across the whole crown for the trees in AC. However, G(Tsa) did not vary significantly with crown position in EC trees, suggesting that elevated CO2 may mitigate differences in hydraulic supply for different canopy layers. The trees in EC treatment exhibited significantly higher values of F-SA measured on the whole crown level and slightly higher soil water content compared to AC treatment, suggesting more economical use of soil water and therefore an advantage under water-limited conditions.",
keywords = "PINE, TRANSPIRATION, soil water limitation, HYDRAULIC CONSTRAINTS, sap flux, ATMOSPHERIC CO2, shoot water potential, global change, Picea abies (L.) Karst., CO2 enrichment, VAPOR-PRESSURE DEFICIT, whole-tree hydraulic conductance, SHADE TOLERANCE, STOMATAL CONDUCTANCE, GAS-EXCHANGE, DROUGHT, FOREST STANDS",
author = "P Kupper and A Sellin and Z Klimankova and R Pokorny and {Puertolas Simon}, Jaime",
year = "2006",
month = dec,
doi = "10.1007/s10535-006-0095-0",
language = "English",
volume = "50",
pages = "603--609",
journal = "Biologia Plantarum",
issn = "0006-3134",
publisher = "Springer Netherlands",
number = "4",

}

RIS

TY - JOUR

T1 - Water relations in Norway spruce trees growing at ambient and elevated CO2 concentrations

AU - Kupper, P

AU - Sellin, A

AU - Klimankova, Z

AU - Pokorny, R

AU - Puertolas Simon, Jaime

PY - 2006/12

Y1 - 2006/12

N2 - Water relations were studied in Norway spruce [Picea abies (L.) Karst.] trees grown at ambient (AC, 350 mu mol mol(-1)) and elevated (EC, 700 mu mol mol(-1)) CO2 concentrations under temperate water stress. The results suggested that both crown position and variability in atmospheric CO2 concentration are responsible for different patterns of crown water relations. Mean hourly sap flux density (FSA) showed higher values in upper crown position in comparison with the whole crown in both AC and EC treatments. Mean soil-to-leaf hydraulic conductance (G(Tsa)) was 1.4 times higher for the upper crown than that calculated across the whole crown for the trees in AC. However, G(Tsa) did not vary significantly with crown position in EC trees, suggesting that elevated CO2 may mitigate differences in hydraulic supply for different canopy layers. The trees in EC treatment exhibited significantly higher values of F-SA measured on the whole crown level and slightly higher soil water content compared to AC treatment, suggesting more economical use of soil water and therefore an advantage under water-limited conditions.

AB - Water relations were studied in Norway spruce [Picea abies (L.) Karst.] trees grown at ambient (AC, 350 mu mol mol(-1)) and elevated (EC, 700 mu mol mol(-1)) CO2 concentrations under temperate water stress. The results suggested that both crown position and variability in atmospheric CO2 concentration are responsible for different patterns of crown water relations. Mean hourly sap flux density (FSA) showed higher values in upper crown position in comparison with the whole crown in both AC and EC treatments. Mean soil-to-leaf hydraulic conductance (G(Tsa)) was 1.4 times higher for the upper crown than that calculated across the whole crown for the trees in AC. However, G(Tsa) did not vary significantly with crown position in EC trees, suggesting that elevated CO2 may mitigate differences in hydraulic supply for different canopy layers. The trees in EC treatment exhibited significantly higher values of F-SA measured on the whole crown level and slightly higher soil water content compared to AC treatment, suggesting more economical use of soil water and therefore an advantage under water-limited conditions.

KW - PINE

KW - TRANSPIRATION

KW - soil water limitation

KW - HYDRAULIC CONSTRAINTS

KW - sap flux

KW - ATMOSPHERIC CO2

KW - shoot water potential

KW - global change

KW - Picea abies (L.) Karst.

KW - CO2 enrichment

KW - VAPOR-PRESSURE DEFICIT

KW - whole-tree hydraulic conductance

KW - SHADE TOLERANCE

KW - STOMATAL CONDUCTANCE

KW - GAS-EXCHANGE

KW - DROUGHT

KW - FOREST STANDS

U2 - 10.1007/s10535-006-0095-0

DO - 10.1007/s10535-006-0095-0

M3 - Journal article

VL - 50

SP - 603

EP - 609

JO - Biologia Plantarum

JF - Biologia Plantarum

SN - 0006-3134

IS - 4

ER -