Männyn ja kuusen kasvun vaihtelu Suomessa 1964–1993

Mielikäinen, Kari; Timonen, Mauri; Nöjd, Pekka

doi:10.14214/ma.6728

Cited by 4 publications

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“…Observations by Henttonen (1990) and Mielikäinen et al (1996) showing that growth variation of Norway spruce in Finland is also related to precipitation are based on data from more southern regions than those sampled for this study. The effect of precipitation on tree growth is known to increase on moving southwards from the northernmost regions in Sweden (Jonsson 1969).…”

Section: Discussionmentioning

confidence: 99%

“…In contrast, growth variation of conifers in central Europe is most strongly correlated with precipitation (e.g., Eckstein et al 1989;Kahle 1994). In recent studies, the effect of precipitation on annual growth of Norway spruce has also been demonstrated in southern and central Finland (Henttonen 1990;Mielikäinen et al 1996). Furthermore, on soils with low waterholding capacity, a significant correlation between July precipitation and annual ring width of Scots pine (Pinus sylvestris L.) has been reported in central Norway (Slåstad 1957) and near the Arctic timberline in Finland (Kärenlampi 1972).…”

Section: Introductionmentioning

confidence: 94%

“…in discussions on long-term forest growth trends in Fennoscandia because of the economical importance of the species and reports about mortality of spruce at high altitudes in central Europe (e.g., Bosch et al 1983;Zöttl and Mies 1983;Papke 1988). Indeed, during the early and mid-1990s a considerable reduction in Norway spruce growth (Mielikäinen et al 1996), as well as increased mortality (Nuorteva and Nuorteva 1998), was recorded in Finland. However, similar observations of reduced growth in Norway spruce in this region have been reported earlier (Kangas 1946).…”

Section: Introductionmentioning

confidence: 99%

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Climatic signal in annual growth variation of Norway spruce (Picea abies) along a transect from central Finland to the Arctic timberline

Mäkinen¹,

Nöjd²,

Mielikäinen³

2000

Can. J. For. Res.

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Regional and temporal growth patterns of Norway spruce (Picea abies (L.) Karst.) were evaluated in 40 stands along a transect of over 500 km running from central Finland to the Arctic spruce timberline. Standard deviation of the ring-width series increased from south to north, but the geographical differences in mean sensitivity and first-order autocorrelation were small. The high degree of similarity in growth variation between stands indicated similar growth responses of trees to weather variation despite different environmental conditions along the transect. The most pronounced differences in the regional increment chronologies were found between the southernmost and northernmost stands. Growth variation was most strongly correlated with current June mean temperature, and correlation between growth and July temperature increased from south to north. In addition, negative correlation was observed between winter temperatures, particularly February temperature, and growth variation. Growth was more weakly correlated with precipitation than with temperature.Résumé : Les patrons régional et temporel de croissance de l'épicéa commun (Picea abies (L.) Karst.) ont été évalués dans 40 peuplements le long d'un transect de plus de 500 km allant du centre de la Finlande à la limite arctique de la pessière. L'écart-type des suites de largeur de cernes augmente du sud au nord, mais les différences géographiques dans la sensibilité moyenne et l'autocorrélation du premier ordre sont faibles. Le fort degré de similitude dans la variation de la croissance entre les peuplements montre que la croissance des arbres répond de la même façon à une variation de température malgré des conditions environnementales différentes le long du transect. Les différences les plus fortes dans les chronoséquences régionales d'accroissement sont observées entre les peuplements les plus au sud et les peuplements les plus au nord. La variation de la croissance est le plus fortement corrélée avec la température moyenne du mois de juin de l'année en cours et la corrélation entre la croissance et la température du mois de juillet augmente du sud au nord. De plus, une corrélation négative est observée entre les températures hivernales, particulièrement la température du mois de février, et la variation de la croissance. La croissance est plus faiblement corrélée avec la précipi-tation qu'avec la température.[Traduit par la Rédaction] Mäkinen et al. 777

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

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Climatic signal in annual growth variation of Norway spruce (Picea abies) along a transect from central Finland to the Arctic timberline

Mäkinen¹,

Nöjd²,

Mielikäinen³

2000

Can. J. For. Res.

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“…Henttonen 1984;Miina 2000;Salminen and Jalkanen 2004;Salminen et al 2009). The effect of precipitation is usually considered to be of minor importance for Scots pine growing under Finnish conditions, as the evaporative demand is low in relation to precipitation (Mielikäinen et al 1996;Miina 2000). Contradictorily, Henttonen (1984) suggested that precipitation sum during May to July of the previous summer affected tree ring growth in Scots pine.…”

Section: Introductionmentioning

confidence: 99%

Effects of spacing and genetic entry on radial growth and ring density development in Scots pine (Pinus sylvestris L.)

Gort-Oromi

Mehtätalo

Peltola

et al. 2011

Annals of Forest Science

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Diameter growth of Scots pine (Pinus sylvestris) trees grown at elevated temperature and carbon dioxide concentration under boreal conditions

2002

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We investigated the impacts of elevated temperature and carbon dioxide concentration ([CO2]) on diameter growth of Scots pine (Pinus sylvestris L.), aged about 20 years, grown with a low nitrogen supply in closed chambers at (i) ambient temperature and [CO2] (AT+AC), (ii) ambient temperature and elevated [CO2] (AT+EC), (iii) elevated temperature and ambient [CO2] (ET+AC), and (iv). elevated temperature and [CO2] (ET+EC). Each treatment was replicated four times. Diameter growth was monitored with a band dendrograph at 15-min intervals throughout the growing seasons of 1997, 1998 and 1999. Over the monitoring period, diameter growth began 2-3 weeks earlier in trees in the ET+EC and ET+AC chambers than in trees in the AT+AC and AT+EC chambers. However, the cessation of growth occurred about a week later in trees in the ET+EC, ET+AC and AT+EC chambers compared with the AT+AC chambers. The duration of the growing season was 115 and 108 days in the ET+EC and ET+AC chambers, respectively, and 95 and 84 days in the AT+EC and AT+AC chambers, respectively. The ET+AC and ET+EC treatments enhanced diameter growth most early in the growing season, whereas in trees in the AT+AC and AT+EC treatments diameter growth rate was highest in the middle of the growing season. Diameter growth rate leveled off more slowly in trees in the ET+EC and AT+EC treatments than in the other treatments. The growth response to elevated T, elevated [CO2] or both decreased with time and it was less than the maximum observed in other studies for small seedlings and under optimal growth conditions. Nevertheless, cumulative diameter growth for the 3-year period was 67% greater in trees in the ET+EC treatment, and 57 and 26% greater in trees in the AT+EC and ET+AC treatments, respectively, compared with trees in the AT+AC treatment. Over the 3 years, [CO2] had a statistically significant (P < 0.10) effect on both absolute and relative diameter growth, but the interaction between [CO2] and temperature was not significant.

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Männyn ja kuusen kasvun vaihtelu Suomessa 1964–1993

Cited by 4 publications

References 1 publication

Climatic signal in annual growth variation of Norway spruce (Picea abies) along a transect from central Finland to the Arctic timberline

Climatic signal in annual growth variation of Norway spruce (Picea abies) along a transect from central Finland to the Arctic timberline

Effects of spacing and genetic entry on radial growth and ring density development in Scots pine (Pinus sylvestris L.)

Diameter growth of Scots pine (Pinus sylvestris) trees grown at elevated temperature and carbon dioxide concentration under boreal conditions

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