(First upload on May 25 2006. Last on April 12 2018) [ 日本語 | English ]

Picea mariana (P. Mill.) B.S.P.

Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily

Picea A. Dietr. (トウヒ)
Kurotouhi (クロトウヒ, 黒唐檜), black spruce
Lifeform: tall tree
Habitat: nutrient-poor wet sites
Seed dispersal: wind (semi-serotinous) ⇒ Forest fire (森林火災) (Tsuyuzaki et al. 2009, 2014)

Pinus mariana (Mill.) Du Roi

B.S.P. = Britton, Sterns et Poggenburg


Picea mariana in the interior Alaska

Alaska1 Alaska2 Alaska3
[1] On Clear Summit, Fairbanks, AK, at May 14, 2006. This slope faces north. [2] On Poker Flat, Fairbanks, AK, at May 15 2006. The forest was burned in the summer of 2004. [3] Numerous cones remained on the canopy after wildfire. On May 8 2005.