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Physical Sciences and Mathematics Commons

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Natural Resources Management and Policy

All Master's Theses

Charcoal

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Full-Text Articles in Physical Sciences and Mathematics

Holocene Fire History Reconstruction Of A Mid-Evaluation Mixed-Conifer Forest In The Eastern Cascades, Washington, Zoe Rushton Jan 2019

Holocene Fire History Reconstruction Of A Mid-Evaluation Mixed-Conifer Forest In The Eastern Cascades, Washington, Zoe Rushton

All Master's Theses

Fire histories of mid-elevation mixed-conifer forests (MEMC) are uncommon, particularly in the eastern Cascades of Washington. As a result, fire regimes and the effects of 20th century fire suppression in these forests are not well understood. In the summer of 2014 a 7.80 meter-long sediment core was extracted from Long Lake, located approximately 45 km west of Yakima, WA, which exists in a grand fir-dominated mixed-conifer forest. Fire activity for the Long Lake watershed was reconstructed using macroscopic charcoal analysis and pollen analysis was used to reconstruct vegetation change through time. Charcoal results show low fire activity in the early …


Postglacial Fire, Vegetation, And Environmental Change In The Sinlahekin Wildlife Area, Okanogan County, Washington (Usa), Kevin Haydon Jan 2018

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 …