Reijo Solantie 
"Mereisyyden - mantereisuuden" ja "humidisuuden" käsitteistä erityisesti tammen luontaisen levinneisyyden perusteella.
Solantie R. (1983). "Mereisyyden - mantereisuuden" ja "humidisuuden" käsitteistä erityisesti tammen luontaisen levinneisyyden perusteella. Silva Fennica vol. 17 no. 1 article id 5178. https://doi.org/10.14214/sf.a15093
English title: Concepts of continentality-oceanity and humidity especially in the light of the natural distribution of Quercus roburAbstract
Climatological factors determining the natural northern boundary in Europe of oak (Quercus robur L.) were investigated. The natural northern boundary of oak corresponds in detail to the curve at which the growing season, beginning at +5°C in spring and ending at +10°C in autumn, is of a certain constant length. The northern boundaries for more oceanic plants can be explained by prolonged autumn activity. This is obviously the general explanation or the concept of oceanity. Oak spread markedly in Finland in the summers during 1961–1975, which on an average were as warm but much dried than those during 1931–1960. The importance of humidity for oak was discussed.
The PDF includes a summary in English.
Original keywords
tammi;
levinneisyys;
ilmasto;
mereisyys;
mantereisuus;
levinneisyysalue;
kasvukauden pituus;
lämpösumma;
ilmankosteus
English keywords
growing season;
climate;
distribution;
Quercus robur;
oak;
northern boundary;
oceanity;
continentality;
northern distribution limit;
humidity
Published in 1983
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