Hudsonian life zone

Hudsonian life zone

[¦həd¦sō·nē·ən ′līf ‚zōn]
(ecology)
A zone comprising the climate and biotic communities of the northern portions of North American coniferous forests and the peaks of high mountains.
References in periodicals archive ?
Prior to this specimen, the elevational range for this species had been 2,000-3,156 m, predominantly in the Canadian and Hudsonian life zones (Grinnell and Storer, 1924; Ingles, 1947; Williams, 1984; Hutterer, 2005).
The 1.7 million -- acre Fort Apache Reservation, the place that White Mountain Ndee have called home since time immemorial, ranges from Hudsonian life zones and high-altitude cienegas at almost 11,500 feet, through more than 600,000 acres of commercial forest, descending via about eight hundred miles of perennial streams into the pinon-juniper woodland belt where most of the rapidly expanding population of about fourteen thousand White Mountain Apache tribal members live.