Eric E. Knapp
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View article: Fire history in northern Sierra Nevada mixed conifer forests across a distinct gradient in productivity
Fire history in northern Sierra Nevada mixed conifer forests across a distinct gradient in productivity Open
Background Understanding the role of fire in forested landscapes is fundamental to fire reintroduction efforts, yet few studies have examined how fire dynamics vary in response to interactions between local conditions, such as soil product…
View article: Fire history in northern Sierra Nevada mixed conifer forests across a distinct gradient in productivity
Fire history in northern Sierra Nevada mixed conifer forests across a distinct gradient in productivity Open
Background Understanding the role of fire in forested landscapes is fundamental to fire reintroduction efforts, yet few studies have examined how fire dynamics vary in response to interactions between local conditions, such as soil product…
View article: Fire Behavior Assessment Team: in-fire videos from 2020 to 2023
Fire Behavior Assessment Team: in-fire videos from 2020 to 2023 Open
This data publication contains in-fire video collected by the Fire Behavior Assessment Team (FBAT) on a subset of wildland fires in the United States from 2021-2023. FBAT is an interagency group of primarily Forest Service employees with b…
View article: Forest thinning and prescribed burning treatments reduce wildfire severity and buffer the impacts of severe fire weather
Forest thinning and prescribed burning treatments reduce wildfire severity and buffer the impacts of severe fire weather Open
Background The capacity of forest fuel treatments to moderate the behavior and severity of subsequent wildfires depends on weather and fuel conditions at the time of burning. However, in-depth evaluations of how treatments perform are limi…
View article: Vegetation monitoring in the Harvey Monroe Hall Research Natural Area: 1993 baseline data
Vegetation monitoring in the Harvey Monroe Hall Research Natural Area: 1993 baseline data Open
This data publication contains tree and plant inventories for 27 transects within 9 vegetation community types in the Harvey Monroe Hall Research Natural Area (HMHRNA), located in the Inyo National Forest in California. Data were collected…
View article: Harvey Monroe Hall Research Natural Area trail monitoring study: 1993 vegetation and trail conditions
Harvey Monroe Hall Research Natural Area trail monitoring study: 1993 vegetation and trail conditions Open
The Harvey Monroe Hall Research Natural Area (HMHRNA), located in the Inyo National Forest in California, was established in 1933. In 1993, vegetation surveys were used to monitor human impacts on trails using the Limits of Acceptable Chan…
View article: Forest thinning and prescribed burning treatments reduce wildfire severity and buffer the impacts of severe fire weather
Forest thinning and prescribed burning treatments reduce wildfire severity and buffer the impacts of severe fire weather Open
Background: The capacity of forest fuel treatments to limit the behavior and severity of subsequent wildfires depends on weather and fuel conditions at the time of burning. We compared the impacts of five fuel treatments—including two thin…
View article: Heading and backing fire behaviours mediate the influence of fuels on wildfire energy
Heading and backing fire behaviours mediate the influence of fuels on wildfire energy Open
Background Pre-fire fuels, topography, and weather influence wildfire behaviour and fire-driven ecosystem carbon loss. However, the pre-fire characteristics that contribute to fire behaviour and effects are often understudied for wildfires…
View article: Stanislaus-Tuolumne Experimental Forest 'Methods of Cutting' study plots 8-11: 88+ years of tree regeneration and forest understory cover data
Stanislaus-Tuolumne Experimental Forest 'Methods of Cutting' study plots 8-11: 88+ years of tree regeneration and forest understory cover data Open
The data presented here were collected as part of the Sierra Nevada-wide historical ‘Methods of Cutting’ (MOC) study led by USDA Forest Service silviculturist Duncan Dunning and resampled after 88+ years. These data represent forest unders…
View article: Tree resistance to drought and bark beetle-associated mortality following thinning and prescribed fire treatments
Tree resistance to drought and bark beetle-associated mortality following thinning and prescribed fire treatments Open
Long-term trends show increased tree mortality over the last several decades, coinciding with above-average temperatures, high climatic water deficits, and bark beetle outbreaks. California’s recent unprecedented drought (2012–2016) highli…
View article: Land management explains major trends in forest structure and composition over the last millennium in California’s Klamath Mountains
Land management explains major trends in forest structure and composition over the last millennium in California’s Klamath Mountains Open
Significance We provide the first assessment of aboveground live tree biomass in a mixed conifer forest over the late Holocene. The biomass record, coupled with local Native oral history and fire scar records, shows that Native burning pra…
View article: Housing arrangement and vegetation factors associated with single-family home survival in the 2018 Camp Fire, California
Housing arrangement and vegetation factors associated with single-family home survival in the 2018 Camp Fire, California Open
Background The 2018 Camp Fire, which destroyed 18,804 structures in northern California, including most of the town of Paradise, provided an opportunity to investigate housing arrangement and vegetation-related factors associated with home…
View article: Evidence for widespread changes in the structure, composition, and fire regimes of western North American forests
Evidence for widespread changes in the structure, composition, and fire regimes of western North American forests Open
Implementation of wildfire‐ and climate‐adaptation strategies in seasonally dry forests of western North America is impeded by numerous constraints and uncertainties. After more than a century of resource and land use change, some question…
View article: Stanislaus-Tuolumne Experimental Forest ‘Methods of Cutting’ study plots 8-11: 88+ years of forest composition
Stanislaus-Tuolumne Experimental Forest ‘Methods of Cutting’ study plots 8-11: 88+ years of forest composition Open
To study the effects of different logging methods on composition and growth of stands, early U.S. Forest Service scientists, including silviculturist Duncan Dunning, established ‘Methods of Cutting’ (MOC) plots in forest stands of varying …
View article: Forest structure and composition data for the Abies concolor and Abies magnifica ecotone in the central Sierra Nevada range, California
Forest structure and composition data for the Abies concolor and Abies magnifica ecotone in the central Sierra Nevada range, California Open
This publication includes forest composition and structure data from two observational field studies conducted across the Abies concolor-Abies magnifica ecotone in the central Sierra Nevada range of California, and data from a growth chamb…
View article: Factors associated with single-family home survival in the 2018 Camp Fire, California
Factors associated with single-family home survival in the 2018 Camp Fire, California Open
Background The 2018 Camp Fire, which destroyed 18,804 structures in northern California, including most of the town of Paradise, provided an opportunity to investigate vegetation and housing factors associated with home loss and determine …
View article: California National Forests fire records 1911-1924
California National Forests fire records 1911-1924 Open
This data publication contains spatial locations and summary information from the fire reports from 1911-1924 for all national forests in California. These data were derived from ledgers that contained summary information from the original…
View article: Pyric tree spatial patterning interactions in historical and contemporary mixed conifer forests, California, USA
Pyric tree spatial patterning interactions in historical and contemporary mixed conifer forests, California, USA Open
Tree spatial patterns in dry coniferous forests of the western United States, and analogous ecosystems globally, were historically aggregated, comprising a mixture of single trees and groups of trees. Modern forests, in contrast, are gener…
View article: Restoring forest heterogeneity with thinning and prescribed fire: Initial results from the central Sierra Nevada, California.
Restoring forest heterogeneity with thinning and prescribed fire: Initial results from the central Sierra Nevada, California. Open
Many fire-adapted forests across the United States where fire has been excluded have in-filled with shade-tolerant species, reducing the characteristic spatial heterogeneity. We used 1929 stem maps of historical forest conditions in the Si…
View article: Overstory and understory data from a contemporary reference stand: the Beaver Creek Pinery, Lassen National Forest, CA
Overstory and understory data from a contemporary reference stand: the Beaver Creek Pinery, Lassen National Forest, CA Open
The Beaver Creek Pinery (BCP) is a ponderosa pine and black oak dominated stand in the Ishi Wilderness, Lassen National Forest, California. It has never been logged and due to its remoteness, has experienced more fire than many other such …
View article: Contrasting Impacts of Climate and Competition on Large Sugar Pine Growth and Defense in a Fire-Excluded Forest of the Central Sierra Nevada
Contrasting Impacts of Climate and Competition on Large Sugar Pine Growth and Defense in a Fire-Excluded Forest of the Central Sierra Nevada Open
Many forest ecosystems with a large pine component in the western United States have experienced environmental stress associated with climate change and increased competition with forest densification in the absence of fire. Information on…
View article: Factors influencing fire severity under moderate burning conditions in the Klamath Mountains, northern California,<scp>USA</scp>
Factors influencing fire severity under moderate burning conditions in the Klamath Mountains, northern California,<span>USA</span> Open
Topography, weather, and fuels are known factors driving fire behavior, but the degree to which each contributes to the spatial pattern of fire severity under different conditions remains poorly understood. The variability in severity with…
View article: Average Stand Age from Forest Inventory Plots Does Not Describe Historical Fire Regimes in Ponderosa Pine and Mixed-Conifer Forests of Western North America
Average Stand Age from Forest Inventory Plots Does Not Describe Historical Fire Regimes in Ponderosa Pine and Mixed-Conifer Forests of Western North America Open
Quantifying historical fire regimes provides important information for managing contemporary forests. Historical fire frequency and severity can be estimated using several methods; each method has strengths and weaknesses and presents chal…
View article: National Fire & Fire Surrogate study data: environmental effects of alternative fuel reduction treatments
National Fire & Fire Surrogate study data: environmental effects of alternative fuel reduction treatments Open
Comprised of 12 sites nationwide, the Fire and Fire Surrogates study (FFS) is a comprehensive interdisciplinary experiment designed to evaluate the economics and ecological consequences of alternative fuel reduction treatments in seasonall…
View article: Appendix A. Characteristics of past management and treatments in the six western United States Fire and Fire Surrogate study sites.
Appendix A. Characteristics of past management and treatments in the six western United States Fire and Fire Surrogate study sites. Open
Characteristics of past management and treatments in the six western United States Fire and Fire Surrogate study sites.
View article: Appendix A. Methods used to create a 1987 prefire vegetation map and accuracy assessment results.
Appendix A. Methods used to create a 1987 prefire vegetation map and accuracy assessment results. Open
Methods used to create a 1987 prefire vegetation map and accuracy assessment results.
View article: Appendix B. Definitions of tree-size classes by site.
Appendix B. Definitions of tree-size classes by site. Open
Definitions of tree-size classes by site.