Research Database
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Disentangling drivers of annual grass invasion: Abiotic susceptibility vs. fire-induced conversion to cheatgrass dominance in the sagebrush biome
Year: 2024
Invasive annual grasses are often facilitated by fire, yet they can become ecologically dominant in susceptible locations even in the absence of fire. We used an extensive vegetation plot database to model susceptibility to the invasive annual grass cheatgrass (Bromus tectorum L.) in the sagebrush biome as a function of climate and soil water availability variables. We built random forest models predicting cheatgrass presence or dominance (>15 % relative cover) under unburned (37,219 plots) and burned conditions (6340 plots). We mapped predicted probability of cheatgrass…
Publication Type: Journal Article
“Evergreen and Charcoal Black”: The Institutional and Organizational Development of the Washington Department of Natural Resources in the Era of Megafires
Year: 2024
In Washington State in the US, the story of the Washington Department of Natural Resources’ (WA DNR) work to manage increased wildfire threat and the resulting internal and external shifts in agency policy and practices is the subject of this analysis. A narrative policy framework is a lens adopted to examine how the elected leadership of the agency sought to institute adaptive change and increase available resources to implement such change through the initiation and support of a key piece of legislation and through strategic shifts in its land management emphasis. These changes were…
Publication Type: Journal Article