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Filtering by: Subject Vegetation dynamics -- Hells Canyon (Idaho and Or.)

Fire effects on vegetation diversity, structure, and successional dynamics in shrub-steppe and mixed conifer environments of the Hells Canyon, Idaho

Creator:

Havlina, Douglas William

Abstract:

The effects of fire severity on post-fire succession and shrub demography were quantified in shrub-steppe grasslands and subalpine forests in the Hells Canyon of the Payette National Forest, Idaho. Following the 1988 Eagle Bar Fire, species frequency, community diversity, fire adaptations, and stand ages were quantified at 12 plots in...

Resource Type:

Masters Thesis

Full Text:

scouleriana DEMOGRAPHY, BIOMASS, AND COVER IN STAND-REPLACEMENT FIRES OF THE HELLS CANYON, IDAHO 56
Canyon Grasslands of the Hells Canyon National Recreation Area : How have they changed over time and what is their future trajectory?

Creator:

Pack, Samantha J.

Abstract:

The canyon grasslands of the Hells Canyon National Recreation Area (HCNRA) are a unique ecosystem within the Pacific Northwest Bunchgrass Region (PNWBR) with a long history of natural and anthropogenic disturbances including fire, invasive species introduction, historical livestock grazing, and cultivation. Even with this history, these canyon grasslands contain some...

Resource Type:

Masters Thesis

Full Text:

the canyon grassland vegetation found there today (Tisdale 1986; Johnson and Simon 1987; Lichthardt