Prescribed fire is used as a site treatment after timber harvesting. These fires result in spatial patterns with some portions consuming all of the forest floor material (duff) and others consuming little. Prior to the burn, spatial sampling of duff thickness and duff water content can be used to…
Keywords: geostatistics, forest floor, duff moisture content, spatial patterns, forest litter, simulation, Northern Rocky Mountains
Source: International journal of wildland fire. 9(2): 137-143
Advance regeneration is an important component in many stands scheduled for harvesting. Properly managed, such regeneration can contribute to a healthy, new stand, but too often trees do not quickly respond to the new environment or take too long to adjust. Definitions of acceptable advance…
Keywords: succession, Northern Rocky Mountains, reproduction, inventory
Source: Research Note INT-341. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 5 p.
Natural regeneration of interior cedar-hemlock-white pine forests is usually prompt and abundant. These productive sites support up to 10 commercial timber species. Retrospective examination of cutover forest stands allowed determination of variables that are important predictors of regeneration.…
Keywords: succession, reforestation, Northern Rocky Mountains
Source: In: Baumgartner, D. M.; Lotan, J. E.; Tonn, J. R., comps. Symposium Proceedings: Interior Cedar-Hemlock-White Pine Forests: Ecology and Management; 2-4 March 1993; Spokane, WA. Pullman, WA: Washington State University, Department of Natural Resource Sciences. p. 249-256.
This publication describes how to use version 2 of the Regeneration Establishment Model, a computer-based simulator that is part of the Prognosis Model for Stand Development. Conifer regeneration is predicted following harvest and site preparation for forests in western Montana, central Idaho, and…
Keywords: succession, stand simulation, Northern Rocky Mountains, forest planning, western spruce budworm, Choristoneura occidentalis
Source: Gen. Tech. Rep. INT-279. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 34 p.
In this paper, Montana is divided into eight geographic subdivisions called "forest regions," based on distributions of tree and undergrowth species and the relationship of these patterns to climate and topography. The regions serve as a geographic reference for describing patterns of forest…
Keywords: forest ecology, forest classification, plant geography, Northern Rocky Mountains
Source: Res. Pap. INT-218. Ogden, UT: U.S. Department of Agriculture, Intermountain Forest and Range Experiment Station. 39 p.
This comprehensive guidebook provides keys, illustrations, and descriptions that aid identification of the 1,600+ species and varieties of vascular plants growing in west-central Montana. The area covered encompasses Ravalli County and southern Missoula County, and it includes the Bitterroot…
Keywords: natural vegetation, introduced plants, Northern Rocky Mountains, flora, botany, taxonomy
Source: Gen. Tech. Rep. INT-277. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 648 p.
A series of first-generation habitat-relationships models for 83 bird species were detected in a 3-year study on point counts conducted in association with the USDA Forest Service's Northern Region Landbird Monitoring Program. The models depict probabilities of detection for each of the bird…
Keywords: bird-habitat associations, ecological trap, fire effects, indicator species, logging effects, monitoring, Northern Rocky Mountains, point count, riparian
Source: Gen. Tech. Rep. RMRS-GTR-32. Ogden, UT: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 72 p.
In many U.S. federally designated wilderness areas, wildfires are likely to burn of their own accord due to favorable management policies and remote location. Previous research suggested that limitations on fire size can result from the evolution of natural fire regimes, specifically in places…
Keywords: environmental constraints, fire size distributions, landscape gradients, Northern Rocky Mountains, quantile regression, Sierra Nevada, southwestern United States, spatial climate, topographic roughness, wilderness management
Source: Ecosphere. 4(1): Article 15.
This is a compendium of experimental forests, ranges, watersheds, and other outdoor laboratories, formally established by the Forest Service and Agricultural Research Service of the U.S. Department of Agriculture, and the universities in Utah, Idaho, and Montana. The purposes, histories, natural…
Keywords: forest research, range research, watershed research, demonstration forests, Northern Alliance, Northern Rocky Mountains
Source: Gen. Tech. Rep. INT-GTR-334. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station. 117 p.
Canada lynx (Lynx canadensis) is a federally threatened species in the contiguous United States. Within National Forests covered by the Northern Rockies Lynx Management Direction, Federal land managers must consider the effect of management activities on Canada lynx habitat. A common method to…
Keywords: beta regression, cover board, horizontal cover, Lynx canadensis, Northern Rocky Mountains
Source: Wildlife Society Bulletin. 43(4): 619-629.