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Ecosystem

Displaying 5221 - 5240 of 5893 results

Laboratory studies were conducted with five early life stages of rainbow trout, Oncorhynchus mykiss, to determine the acute toxicities of five fire‐fighting chemical formulations in standardized soft and hard water. Eyed egg, embryo–larvae, swim‐up…
Author(s): M. P. Gaikowski, Steven J. Hamilton, Kevin J. Buhl, S. F. McDonald, C. H. Summers
Year Published:

Anyone who has ever tried building fireline on rocky land knows there has been a need for an inexpensive, efficient piece of equipment to do this job. We've recently invented a simple fireline plow to build fireline in such terrain. Fireline…
Author(s): Nathan P. Arno, Stephen F. Arno
Year Published:

The decision to include the fire process as part of a restoration treatment for a particular forest site is most logically made in conjunction with the decision for a silvicultural treatment. In other words, forest managers do not typically wait to…
Author(s): Michael G. Harrington
Year Published:

This FEIS species review synthesizes information on the relationship of Vison vison (American mink) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species' taxonomy…
Author(s): Janet Sullivan
Year Published:

Covering just over 1 million acres, Glacier National Park straddles the Continental Divide in northwestern Montana. Diverse vegetation communities include moist western cedar- western hemlock (Thuja plicata - Tsuga heterophylla) old growth forests…
Author(s): Laurie L. Kurth
Year Published:

This FEIS species review synthesizes information on the relationship of Heracleum maximum (common cowparsnip) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Lora L. Esser
Year Published:

This FEIS species review synthesizes information on the relationship of Dichanthelium acuminatum (tapered rosette grass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Roberta A. Walsh
Year Published:

This FEIS species review synthesizes information on the relationship of Bubo virginianus (great horned owl) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Janet Sullivan
Year Published:

This FEIS species review synthesizes information on the relationship of Puma concolor (mountain lion) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Julie L. Tesky
Year Published:

This FEIS species review synthesizes information on the relationship of Lepus californicus (black-tailed jackrabbit) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Janet L. Howard
Year Published:

This FEIS species review synthesizes information on the relationship of Krascheninnikovia lanata (winterfat) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Jennifer H. Carey
Year Published:

This FEIS species review synthesizes information on the relationship of Prunus emarginata (bitter cherry) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Lora L. Esser
Year Published:

This FEIS species review synthesizes information on the relationship of Muhlenbergia montana (mountain muhly) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Roberta A. Walsh
Year Published:

Most stands of trembling aspen (Populus tremuloides) in northern Yellowstone National Park appear to have become established between 1870 and 1890, with little regeneration since 1900. There has been controversy throughout this century regarding the…
Author(s): William H. Romme, Monica G. Turner, Linda L. Wallace, Jennifer S. Walker
Year Published:

This FEIS species review synthesizes information on the relationship of Peromyscus maniculatus (North American deermouse) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the…
Author(s): Janet Sullivan
Year Published:

The Montana Department of Fish, Wildlife & Parks (FWP) has long recognized the importance of sagebrush/grassland vegetative communities as wildlife habitat. Efforts to manipulate these communities concern FWP because of the potential…
Author(s): Joel G. Peterson
Year Published:

The effect of fire and habitat heterogeneity on winter foraging by ungulates was studied in northern Yellowstone National Park (YNP). Grazing was monitored at 15 study sites for 14 wk during the winters of 1991 and 1992. The location and intensity…
Author(s): Scott M. Pearson, Monica G. Turner, Linda L. Wallace, William H. Romme
Year Published:

It has become increasingly clear that wildland firefighters are experiencing collapses in decisionmaking and organizational structure when conditions on the fireline become life-threatening. Since 1990 wildland fire agencies have lost 23 people who…
Author(s): Ted Putnam
Year Published:

This FEIS species review synthesizes information on the relationship of Antilocapra americana (pronghorn) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species'…
Author(s): Janet L. Howard
Year Published:

This FEIS species review synthesizes information on the relationship of Deschampsia cespitosa (tufted hairgrass) to fire--how fire affects the species and its habitat, and fire management considerations. Information is also provided on the species…
Author(s): Roberta A. Walsh
Year Published: