Phenology and diameter increment in seedlings of European beech (Fagus sylvatica L.) as affected by different soil water contents: variation between and within provenances

Nielsen, Christian Nørgård; Jørgensen, Finn Vanman

doi:10.1016/s0378-1127(02)00042-7

Cited by 70 publications

(48 citation statements)

References 25 publications

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“…At Hesse, the GSL varied in the range 152 to 180 days and increased significantly during the 10 years (+1.9 day y −1 ), while Piao et al (2007) found an average increase in the Northern hemisphere during the last 25 years (+0.36 day y −1 ). In beech, GSL is much more influenced by the senescence date than by the budburst date, the latter being more dependent on daylight duration than on temperature (Nielsen and Jørgensen, 2003). We found a significant relationship between NEE and GSL (p < 0.02).…”

Section: Neementioning

confidence: 55%

Ten years of fluxes and stand growth in a young beech forest at Hesse, North-eastern France

et al. 2008

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Keywords:Carbon balance / evapotranspiration / climate / biomass increment / interannual variability / net primary productivity / drought / Fagus sylvatica Abstract • Water and carbon fluxes, as measured by eddy covariance, climate, soil water content, leaf area index, tree biomass, biomass increment (BI), litter fall and mortality were monitored for 10 successive years in a young beech stand in Hesse forest (north-eastern France) under contrasting climatic and management conditions.• Large year-to-year variability of net carbon fluxes (NEE) and to a lesser extent, of tree growth was observed. The variability in NEE (coefficient of variation, CV = 44%) was related to both gross primary production (GPP) and to variations in total ecosystem respiration (TER), each term showing similar and lower interannual variability (CV = 14%) than NEE. Variation in the annual GPP was related to: (i) the water deficit duration and intensity cumulated over the growing season, and (ii) the growing season length, i.e. the period of carbon uptake by the stand. Two thinnings occurring during the observation period did not provoke a reduction in either GPP, water fluxes, or in tree growth. Interannual variation of TER could not be explained by any annual climatic variables, or LAI, and only water deficit duration showed a poor correlation. Annual biomass increment was well correlated to water shortage duration and was significantly influenced by drought in the previous year.• The relationship between annual NEE and biomass increment (BI) was poor: in some years, the annual carbon uptake was much higher and in others much lower than tree growth. However this relationship was much stronger and linear (r 2 = 0.93) on a weekly to monthly time-scale from budburst to the date of radial growth cessation, indicating a strong link between net carbon uptake and tree growth, while carbon losses by respiration occurring after this date upset this relationship.• Despite the lack of correlation between annual data, the NEE and BI cumulated over the 10 years of observations were very close.• On the annual time-scale, net primary productivity calculated from eddy fluxes and from biological measurements showed a good correlation. Mots-clés :bilan de carbone / évapotranspiration / climat / accroissement en biomasse / variabilité interannuelle / productivité primaire nette / contrainte hydrique / Fagus sylvatica Résumé -Dix années de mesures de flux et de croissance dans une jeune hêtraie du nord-est de la France, en forêt de Hesse.• Les flux d'eau et de dioxyde de carbone, mesurés par la méthode des corrélations turbulentes, le climat, le contenu en eau du sol, l'indice foliaire, la biomasse et l'accroissement en biomasse (BI) des arbres, les chutes de litière et la mortalité ont été suivis en continu pendant 10 années successives dans une jeune hêtraie de la forêt de Hesse (nord-est de la France) en conditions de climat et de gestion contrastées.• Une forte variabilité interannuelle des flux nets de carbone (NEE) et dans une moindre mesure de la crois...

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Section: Neementioning

confidence: 55%

Ten years of fluxes and stand growth in a young beech forest at Hesse, North-eastern France

et al. 2008

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“…Beech forests located in the northern Apennines have greater affinity with the Alpine beech forests than with those in central Italy (Pignatti 1998, Piovesan et al 2005. Because of its longevity, widespread distribution, and climate sensitivity, beech is a potential species for bio-monitoring programs on the status of European temperate forests (Biondi 1993, Piovesan & Adams 2001, Nielsen & Jørgensen 2003, Piovesan et al 2005.…”

Section: Introductionmentioning

confidence: 99%

Latent infection of Biscogniauxia nummularia in Fagus sylvatica: a possible bioindicator of beech health conditions

Luchi¹,

Capretti²,

Feducci³

et al. 2016

iForest

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Biscogniauxia nummularia is a xylariaceous fungus known as a common endophyte of European beech, living in plant tissues without development of symptoms, or even inducing strip-cankers and wood decay on trees stressed by drought. We studied the presence of the fungus in apparently healthy beech trees, growing in two different bioclimatic zones characterized by Continental and Mediterranean climates. Asymptomatic twigs were collected in each zone over the season and evaluated for the presence of B. nummularia infections using both cultural and qPCR methods. Results from qPCR indicated differences in the detection of B. nummularia among the seasons and between the study sites. In both sites the highest frequency of detection was in summer. B. nummularia was more frequently detected in the Mediterranean bioclimatic area, where drought is more common. These results suggest that B. nummularia may be a possible bioindicator of beech health stands.

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“…Several case studies have investigated the drought sensitivity of beech provenances along a gradient of decreasing precipitation from northern to southern Central Europe and to the Mediterranean region (García-Plazaola and Becerril 2000; Nielsen and Jørgensen 2003;Peuke et al 2006), but fewer studies have been conducted on drought sensitivity of beech at the eastern margin of its distribution area. Czajkowski and conducted a drought experiment with beech seedlings from eastern provenances, but focused on aboveground drought responses only and gave no attention to root responses to drought which may be crucial in drought tolerance of beech (Meier and Leuschner 2008c).…”

Section: Introductionmentioning

confidence: 99%

Are marginal beech (Fagus sylvatica L.) provenances a source for drought tolerant ecotypes?

et al. 2009

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Due to the expected increases of number and intensity of summer droughts in Central Europe the identiWcation of drought tolerant ecotypes becomes more important in future forestry. A common garden experiment with seedlings of Fagus sylvatica provenances from the center (Germany) and eastern margin (Poland) of the species' distribution range was conducted. Responses of morphological, physiological, chemical and growth parameters to three drought treatments were analyzed. Relative growth rates of the marginal provenance were lower as compared to the central provenance. The marginal seedlings showed a tendency to higher total biomasses because of higher seed masses. In both provenances drought decreased biomass production and root/shoot ratio which was lower in the central provenance. A lower speciWc root area of the marginal provenance indicated a better adaptation to low xylem water potentials. Under moderate drought, lower leaf 13 C signatures may indicate lower stomatal limitation (or a reduced rate of CO 2 assimilation) in the marginal provenance. We conclude that marginal beech provenances may exhibit a better drought adaptation.

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Phenology and diameter increment in seedlings of European beech (Fagus sylvatica L.) as affected by different soil water contents: variation between and within provenances

Cited by 70 publications

References 25 publications

Ten years of fluxes and stand growth in a young beech forest at Hesse, North-eastern France

Ten years of fluxes and stand growth in a young beech forest at Hesse, North-eastern France

Latent infection of Biscogniauxia nummularia in Fagus sylvatica: a possible bioindicator of beech health conditions

Are marginal beech (Fagus sylvatica L.) provenances a source for drought tolerant ecotypes?

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