Retrospective Assessment of the Parameters of Needle Retention in Scotch Pine

Retrospective Assessment of the Parameters of Needle Retention in Scotch Pine Russian Journal of Ecology, Vol. 33, No. 6, 2002, pp. 452–454. Translated from Ekologiya, No. 6, 2002, pp. 478–480. Original Russian Text Copyright © 2002 by Fedorkov. SHORT COMMUNICATIONS Retrospective Assessment of the Parameters of Needle Retention in Scotch Pine A. L. Fedorkov Institute of Biology, Komi Research Center, Ural Division, Russian Academy of Sciences, Kommunisticheskaya ul. 28, Syktyvkar, 167610 Russia Received September 13, 2001 Key words: Needle retention, Scotch pine, needle traces. The life span of pine needles is often regarded as an Enterprise, Komi Republic (62 17¢ N, 50 40¢ E) near adaptive character in relation to unfavorable environ- the Lyal’skii Forest-Ecological Station of the Institute mental factors (Pravdin, 1964). In addition to natural of Biology, Komi Research Center. These were healthy aging, needle loss is promoted by decreased illumina- trees with straight trunks and uniformly developed tion, unbalanced nutrition, pathogenic fungi, needle- undamaged crowns (Aalto and Jalkanen, 1998). After gnawing insects, atmospheric pollution, and weather felling, the trunk of each tree was sawed into the sec- conditions (winter desiccation, snow, and wind). tions corresponding to annual shoots, beginning from a Forest monitoring involves the visual estimation of height of 1.3 m. The sections were marked (tree http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Ecology Springer Journals

Retrospective Assessment of the Parameters of Needle Retention in Scotch Pine

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2002 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Ecology
ISSN
1067-4136
eISSN
1608-3334
D.O.I.
10.1023/A:1020968018397
Publisher site
See Article on Publisher Site

Abstract

Russian Journal of Ecology, Vol. 33, No. 6, 2002, pp. 452–454. Translated from Ekologiya, No. 6, 2002, pp. 478–480. Original Russian Text Copyright © 2002 by Fedorkov. SHORT COMMUNICATIONS Retrospective Assessment of the Parameters of Needle Retention in Scotch Pine A. L. Fedorkov Institute of Biology, Komi Research Center, Ural Division, Russian Academy of Sciences, Kommunisticheskaya ul. 28, Syktyvkar, 167610 Russia Received September 13, 2001 Key words: Needle retention, Scotch pine, needle traces. The life span of pine needles is often regarded as an Enterprise, Komi Republic (62 17¢ N, 50 40¢ E) near adaptive character in relation to unfavorable environ- the Lyal’skii Forest-Ecological Station of the Institute mental factors (Pravdin, 1964). In addition to natural of Biology, Komi Research Center. These were healthy aging, needle loss is promoted by decreased illumina- trees with straight trunks and uniformly developed tion, unbalanced nutrition, pathogenic fungi, needle- undamaged crowns (Aalto and Jalkanen, 1998). After gnawing insects, atmospheric pollution, and weather felling, the trunk of each tree was sawed into the sec- conditions (winter desiccation, snow, and wind). tions corresponding to annual shoots, beginning from a Forest monitoring involves the visual estimation of height of 1.3 m. The sections were marked (tree

Journal

Russian Journal of EcologySpringer Journals

Published: Oct 13, 2004

References

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