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Articles 1 - 7 of 7
Full-Text Articles in Forest Sciences
The Importance Of Small Fire Refugia In The Central Sierra Nevada, California, Usa, Erika M. Blomdahl, Crystal A. Kolden, Arjan J.H. Meddens, James A. Lutz
The Importance Of Small Fire Refugia In The Central Sierra Nevada, California, Usa, Erika M. Blomdahl, Crystal A. Kolden, Arjan J.H. Meddens, James A. Lutz
Wildland Resources Faculty Publications
Fire refugia – the unburned areas within fire perimeters – are important to the survival of many taxa through fire events and the revegetation of post-fire landscapes. Previous work has shown that species use and benefit from small-scale fire refugia (1 m2 to 1000 m2), but our understanding of where and how fire refugia form is largely limited to the scale of remotely sensed data (i.e., 900 m2 Landsat pixels). To examine the causes and consequences of small fire refugia, we field-mapped all unburned patches ≥1 m2 within a contiguous 25.6 ha forest plot that …
A Landscape-Level Assessment Of Whitebark Pine Regeneration In The Rocky Mountains, Usa, Sara A. Goeking, Deborah K. Izlar, Thomas C. Edwards Jr.
A Landscape-Level Assessment Of Whitebark Pine Regeneration In The Rocky Mountains, Usa, Sara A. Goeking, Deborah K. Izlar, Thomas C. Edwards Jr.
Wildland Resources Faculty Publications
Whitebark pine (Pinus albicaulis Engelm.) has recently experienced high mortality due to multiple stressors, and future population viability may rely on natural regeneration. We assessed whitebark pine seedling densities throughout the US Rocky Mountains and identified stand, site, and climatic variables related to seedling presence based on data from 1,217 USDA Forest Service Forest Inventory and Analysis plots. Although mean densities were highest in the whitebark pine forest type, 83% of sites with seedlings present occurred in non-whitebark pine forest types, and the highest densities occurred in the lodgepole pine forest type. To identify factors related to whitebark pine …
Building Resistance And Resilience: Regeneration Should Not Be Left To Chance, James N. Long, Marcella A. Windmuller-Campione, R. Justin Derose
Building Resistance And Resilience: Regeneration Should Not Be Left To Chance, James N. Long, Marcella A. Windmuller-Campione, R. Justin Derose
Wildland Resources Faculty Publications
Contemporary forest planning has tasked managers with developing goals associated with resistance and resilience. In practice, silviculturists use forest structure and tree species composition to characterize goals and desired future conditions, write prescriptions, and monitor outcomes associated with resistance and resilience. Although rarely discussed in the exploding literature relating to forest resistance and resilience, silvicultural regeneration methods are important and underutilized tools to meet these goals. We propose alternative silvicultural systems for building resistance and resilience to two common large-scale bark beetle disturbance agents in the Intermountain West, United States: mountain pine beetle (Dendroctonus ponderosae Hopkins) and spruce beetle (Dendroctonus …
Low Offspring Survival In Mountain Pine Beetle Infesting The Resistant Great Basin Bristlecone Pine Supports The Preference-Performance Hypothesis, Erika L. Eidson, Karen E. Mock, Barbara J. Bentz
Low Offspring Survival In Mountain Pine Beetle Infesting The Resistant Great Basin Bristlecone Pine Supports The Preference-Performance Hypothesis, Erika L. Eidson, Karen E. Mock, Barbara J. Bentz
Wildland Resources Faculty Publications
The preference-performance hypothesis states that ovipositing phytophagous insects will select host plants that are well-suited for their offspring and avoid host plants that do not support offspring performance (survival, development and fitness). The mountain pine beetle (Dendroctonus ponderosae), a native insect herbivore in western North America, can successfully attack and reproduce in most species of Pinus throughout its native range. However, mountain pine beetles avoid attacking Great Basin bristlecone pine (Pinus longaeva), despite recent climate-driven increases in mountain pine beetle populations at the high elevations where Great Basin bristlecone pine grows. Low preference for a potential …
Short-Term Regeneration Dynamics Of Wyoming Big Sagebrush At Two Sites In Northern Utah, Sara J. Germain, Rebecca K. Mann, Thomas A. Monaco, Kari E. Veblen
Short-Term Regeneration Dynamics Of Wyoming Big Sagebrush At Two Sites In Northern Utah, Sara J. Germain, Rebecca K. Mann, Thomas A. Monaco, Kari E. Veblen
Wildland Resources Faculty Publications
Wyoming big sagebrush (Artemisia tridentata ssp. wyomingensis) is a widespread shrub across the western United States, and there is great interest among scientists and land managers in its ecology and conservation, particularly with regard to maintaining structural heterogeneity of sagebrush stands for wildlife habitat and livestock forage. Yet little is known about its short-term regeneration dynamics and the implications of those dynamics for changes in stand structure. We examined changes among sagebrush size classes across 3 years, as well as emergence of sagebrush from seed bank and seed rain samples at 2 sagebrush shrub land sites in northern …
Spatiotemporal Patterns Of Unburned Areas Within Fire Perimeters In The Northwestern United States From 1984 To 2014, Arjan J. H. Meddens, Crystal A. Kolden, James A. Lutz, John T. Abatzoglou, Andrew T. Hudak
Spatiotemporal Patterns Of Unburned Areas Within Fire Perimeters In The Northwestern United States From 1984 To 2014, Arjan J. H. Meddens, Crystal A. Kolden, James A. Lutz, John T. Abatzoglou, Andrew T. Hudak
Wildland Resources Faculty Publications
A warming climate, fire exclusion, and land cover changes are altering the conditions that produced historical fire regimes and facilitating increased recent wildfire activity in the northwestern United States. Understanding the impacts of changing fire regimes on forest recruitment and succession, species distributions, carbon cycling, and ecosystem services is critical, but challenging across broad spatial scales. One important and understudied aspect of fire regimes is the unburned area within fire perimeters; these areas can function as fire refugia across the landscape during and after wildfire by providing habitat and seed sources. With increasing fire activity, there is speculation that fire …
Authors And Editors Assort On Gender And Geography In High-Rank Ecological Publications, Kezia R. Manlove, Rebecca M. Belou
Authors And Editors Assort On Gender And Geography In High-Rank Ecological Publications, Kezia R. Manlove, Rebecca M. Belou
Wildland Resources Faculty Publications
Peer-reviewed publication volume and caliber are widely-recognized proxies for academic merit, and a strong publication record is essential for academic success and advancement. However, recent work suggests that publication productivity for particular author groups may also be determined in part by implicit biases lurking in the publication pipeline. Here, we explore patterns of gender, geography, and institutional rank among authors, editorial board members, and handling editors in high-impact ecological publications during 2015 and 2016. A higher proportion of lead authors had female first names (33.9%) than editorial board members (28.9%), and the proportion of female first names among handling editors …