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Full-Text Articles in Physical Sciences and Mathematics
Postglacial Fire, Vegetation, And Environmental Change In The Sinlahekin Wildlife Area, Okanogan County, Washington (Usa), Kevin Haydon
Postglacial Fire, Vegetation, And Environmental Change In The Sinlahekin Wildlife Area, Okanogan County, Washington (Usa), Kevin Haydon
All Master's Theses
Historically fire has played a key disturbance role in many ecosystems of the western United States. One of the most affected landscapes is the dry ponderosa pine-dominated forests of eastern Washington. Over the past decade, these forests have experienced a dramatic increase in large, high-severity wildfires, resulting in significant damage to natural resources, property, and habitat. Public land managers are now faced with the increasing challenge of maintaining these fire-dependent ecosystems in tandem with the projected impacts of future climate change. To do this, land managers need to make informed, adaptive decisions based on what it known in terms of …
The Role Of Fire In Montane Forest Environments In The Willamette National Forest, Oregon, Tamara G. Cox
The Role Of Fire In Montane Forest Environments In The Willamette National Forest, Oregon, Tamara G. Cox
All Master's Theses
High-resolution charcoal and pollen analyses were used to reconstruct a 16,000-year-long fire and vegetation history of the Blair Lake watershed in the Willamette National Forest of Oregon. The record shows that during the late glacial period, overall fire frequency was relatively low. Pinus and Abies were the dominant vegetation, along with Pseudotsuga and Alnus, suggesting that an open-canopy conifer forest developed soon after the area was glacier free. Fire frequency increased during the early Holocene. Warmer and drier conditions are reflected in the herbaceous vegetation, Artemisia, Poaceae, and Cyperaceae, suggesting that meadows or other openings were part of …
The Roles Of Humans And Climatic Variation On The Fire History Of Subalpine Meadows - Mount Rainer National Park (Washington), Michael Louis Lukens
The Roles Of Humans And Climatic Variation On The Fire History Of Subalpine Meadows - Mount Rainer National Park (Washington), Michael Louis Lukens
All Master's Theses
With the creation of Mount Rainier National Park (MORA) in 1899 came the active management of the park's landscapes and a heavy emphasis on fire suppression. Today managers at MORA have made returning fire to the park's landscapes a top priority. In order to achieve this goal, and to make more informed decisions in regard to the application of fire, land managers at MORA need to better understand past fire occurrences and the drivers of fire activity on the mountain. To address this problem, analysis of macroscopic charcoal preserved in lake sediments was used to reconstruct the fire history for …