The Effects Of Fire Severity On California Spotted Owl Habitat Use Patterns
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Author | : Stephanie A. Eyes |
Publisher | : |
Total Pages | : 124 |
Release | : 2014 |
Genre | : Spotted owl |
ISBN | : |
Fire is a dynamic ecosystem process in mixed-conifer forests of the Sierra Nevada, however there is limited scientific information addressing wildlife habitat use in burned landscapes. Recent studies suggest stand-replacing wildfires may be a major source of habitat loss for spotted owls (Strix occidentalis). While fire promotes heterogeneous forest patches, high severity fire may create large canopy gaps that can fragment closed-canopy habitat preferred by spotted owls. Large areas of high severity fire may eliminate protective cover or perch sites for spotted owls, while unburned or low to moderate severity fire containing intact forest canopy may provide protective cover or high prey availability.
Author | : Susan Lynn Roberts |
Publisher | : |
Total Pages | : 280 |
Release | : 2008 |
Genre | : |
ISBN | : |
Author | : Brandon M. Collins |
Publisher | : |
Total Pages | : 294 |
Release | : 2017 |
Genre | : California spotted owl |
ISBN | : |
Author | : Jared Verner |
Publisher | : |
Total Pages | : 300 |
Release | : 1992 |
Genre | : Birds |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 92 |
Release | : 2000 |
Genre | : Animal ecology |
ISBN | : |
Author | : Dominick A. DellaSala |
Publisher | : Elsevier |
Total Pages | : 452 |
Release | : 2024-06-13 |
Genre | : Nature |
ISBN | : 0443137919 |
The second edition of Mixed Severity Fires: Nature's Phoenix focuses on wildfire as a keystone ecological process that has shaped plant and animal communities for over 400 million years. The book will describe the renewal process that follows wildfires in forests and chaparral ecosystems as "nature's phoenix" by drawing from examples of wildfire effects in several regions of the world.In addition, the book will describe management and policies that have contributed to wildfire problems, including climate change and land-use practices incompatible with nature's phoenix and what must happen to get to coexistence with wildfires that are not going away no matter how much we try to suppress or alter fire behavior. This second edition of Mixed Severity Fires: Nature's Phoenix provides a comprehensive reference for documenting and synthesizing fire's ecological role. - Comprehensive and complete reference on wildfire ecology that includes the latest science and citations - Debunks debates on wildfire management that can be used by conservation groups and decision-makers to shift egregious wildfire policies - Contains a broad synthesis of the ecology of mixed- and high-severity fires, covering such topics as vegetation, birds, mammals, insects, aquatics, and management actions
Author | : Jared Verner |
Publisher | : DIANE Publishing |
Total Pages | : 300 |
Release | : 1994 |
Genre | : |
ISBN | : 9780788103612 |
Covers: an assessment of the current status of the California spotted owl, its biology and habitat use, and forests where the subspecies occurs in the Sierra Nevada and southern California. Suggests the direction of future inventories and research, identifies projected trends in habitat, and offers guidelines and recommendations for management of the California spotted owl. Charts, tables, graphs and color photos.
Author | : Dominick A. DellaSala |
Publisher | : Elsevier |
Total Pages | : 450 |
Release | : 2015-06-08 |
Genre | : Nature |
ISBN | : 0128027606 |
The Ecological Importance of High-Severity Fires, presents information on the current paradigm shift in the way people think about wildfire and ecosystems. While much of the current forest management in fire-adapted ecosystems, especially forests, is focused on fire prevention and suppression, little has been reported on the ecological role of fire, and nothing has been presented on the importance of high-severity fire with regards to the maintenance of native biodiversity and fire-dependent ecosystems and species. This text fills that void, providing a comprehensive reference for documenting and synthesizing fire's ecological role. - Offers the first reference written on mixed- and high-severity fires and their relevance for biodiversity - Contains a broad synthesis of the ecology of mixed- and high-severity fires covering such topics as vegetation, birds, mammals, insects, aquatics, and management actions - Explores the conservation vs. public controversy issues around megafires in a rapidly warming world
Author | : |
Publisher | : |
Total Pages | : 380 |
Release | : 1978 |
Genre | : Forests and forestry |
ISBN | : |
Author | : Emily Julia Comfort |
Publisher | : |
Total Pages | : 146 |
Release | : 2014 |
Genre | : Forests and forestry |
ISBN | : |
There is a perceived trade-off between fire risk reduction and northern spotted owl habitat protection in dry-conifer forests in southwestern Oregon. Management options for balancing this trade-off need to be sought at the landscape level. Applied landscape ecology suggests three important features to consider are (1) patch size and configuration of fire resilient features that are used by northern spotted owls, (2) the scale at which forest structure and configuration impacts fire and northern spotted owl use, and (3) landscape memory, the influence of past ecological process on current ones. In this dissertation, I examine the landscape ecology of past and current fire regimes in the southwestern Oregon and northern California Klamath region and there implications for northern spotted owl habitat and fire risk reduction in current landscapes. Current old-forests in southwestern Oregon developed under a different fire regime than we see today. In chapter one, I review and discuss the characteristics of past fire regimes both at a fine scale, as assessed by stand-level fire history studies, and at coarse scales, as assessed by lake sediment core studies. Current landscape composition and structure represents a departure from pre-Euro-American landscapes. Forested landscapes generally have higher densities and more homogenous species composition today. In chapter two, I look specifically at edges within landscapes. Whereas past landscape edges were defined by disturbance patterns/gradients and physiographic changes, current landscapes are largely defined by ownership and management boundaries. I found no evidence of differences in surface fuel structure between two structurally and compositionally different edge-types, but I did find that edge-type impacted disturbance severity following the 2002 Timbered Rock Fire. On private industry land, salvage-logging was conducted immediately following the fire and resulted in strong edge effects into the adjacent publicly managed land that extended over 250 m from ownership boundaries. Additionally, I found that large gradients in forest age-structure on public lands reduced fire severity. In chapter three, I examine spotted owl habitat selection of fire-created edges following the 2002 Timbered Rock fire. Spotted owl use of edges varied by edge type (diffuse and hard) and spatial scale. Over moderate to large spatial scales, spotted owls selected diffuse edges, which were characterized by shallow gradients in fire severity. At fine spatial scales (