Canadian Forest Service Publications

Le lichen Lecidea granulosa constitue un milieu favorable à la germination de l'épinette noire. 1964. Gagnon, J.D. s.n., S.l. [Report] 64-Q 25. 10 p.

Year: 1964

Issued by: Laurentian Forestry Centre

Catalog ID: 15225

Language: French

Series: Internal Report (LFC - Québec)

Availability: PDF (download)

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Abstract

Samples of undamaged lichen Lecidea granulosa (Ehrh.) and of mineral soil taken in the 1940-41 York River Burn, Gaspé, have been brought into the laboratory and the rate of germination of black spruce (Picea mariana, Mill.) on these two media has been compared with that of laboratory-sterilized sand. The results indicated that under the same variations of temperature and humidity, the lichen is a better medium for germination of black spruce than mineral soil. The latter, however, is superior to laboratory-sterilized sand. Subsequent trials having shown that black spruce can survive on the lichen crust, it seems that aerial seeding would be a possible solution to the problem of the afforestation of a great part of the 1940-41 York River Burn.