Studier över tallens (Pinus silvestris L.) frö- och kottmognad i södra Västerbottens inland

Studies on the ripeness of Pine seeds and cones in the county of Västerbotten (Pinus silvestris L.) = Studien über die Reife von Kiefernsamen und -zapfen im Bezirk Västerbotten

Lund

1973

104 S.

47 Abb., zahlr. Lit. Ang.

Bandaufführung

8725

108555

The purpose of the investigation accounted for in this paper was to study the development of cones and seeds of Scots pine in Norrland (northern Sweden). the investigation covered the 7-year period from 1963 to 1970, and was carried out mainly in the interior of southern Västerbotten at altitudes between 300 and 550 metres above sea level.