baumzaehlen - Primeval Forests & Their Trees

Estivant Pines Nature Sanctuary, Michigan, USA

This small (2 km ² ) reserve near Lake Superior is one of the few unlogged Pinus strobus (eastern white pine) groves in Michigan. In Upper Michigan, P. strobus is considered a mid-successional species, and its long term maintenance in mesic forests seems to be dependent on intense fires after wind disturbance has provided fuel dry enough to support fire ¹ . Annual precipitation is approx. 800 mm and average annual temperature approx. 4°C ² .

References:

1 Frelich, L. E. & Reich, P. B. (1996): Old Growth in the Great Lakes Region. In Davis, M. B. (ed.): Eastern Old-Growth Forests, Prospects for Rediscovery and Recovery . Island Press.

2 Barnes, B. V. & Wagner, W. H. Jr. (2004): Michigan Trees. The University of Michigan Press.

Official site:

https://michigannature.org/home/sancts/estivant/estivant.shtml