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Relevant bibliographies by topics / Spotted owl

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Academic literature on the topic 'Spotted owl'

Author: Grafiati

Published: 4 June 2021

Last updated: 26 July 2025

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Journal articles on the topic "Spotted owl"

1

Crozier, Michelle L., Mark E. Seamans, R. J. GutiÉRrez, et al. "Does The Presence of Barred Owls Suppress the Calling Behavior of Spotted Owls?" Condor 108, no. 4 (2006): 760–69. http://dx.doi.org/10.1093/condor/108.4.760.

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Abstract Abstract Barred Owls (Strix varia) have expanded their range throughout the ranges of Northern (Strix occidentalis caurina) and California Spotted Owls (S. o. occidentalis). Field observations have suggested that Barred Owls may be behaviorally dominant to Spotted Owls. Therefore, we conducted a test of behavioral dominance by assessing responsiveness of Spotted Owls to conspecific calls when they were in the simulated presence (i.e., imitation of Barred Owl vocalizations) of a Barred Owl. We hypothesized that Spotted Owls would be less likely to respond to conspecific calls in areas

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Alston, Jesse M., Janet E. Millard, Jessica A. Rick, Brandon W. Husby, and Laurel A. Mundy. "Observations of Notable Parental Behaviours of Northern Spotted Owls (Strix occidentalis caurina)." Canadian Field-Naturalist 131, no. 3 (2018): 225–27. http://dx.doi.org/10.22621/cfn.v131i3.1874.

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Northern Spotted Owl (Strix occidentalis caurina) is a medium-sized forest owl of conservation concern in the Pacific Northwest of North America. We report two sightings of previously unreported parental behaviour: a Northern Spotted Owl feeding avian nestlings to its young and a Northern Spotted Owl defending a fledgling against a Black Bear (Ursus americanus). Further research may be warranted on the influence of brood size and habitat quality on dietary breadth. Although Black Bears have not been previously documented as Northern Spotted Owl predators, we suggest that they should be conside

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North, Malcolm P., Jerry F. Franklin, Andrew B. Carey, Eric D. Forsman, and Tom Hamer. "Forest Stand Structure of the Northern Spotted Owl's Foraging Habitat." Forest Science 45, no. 4 (1999): 520–27. http://dx.doi.org/10.1093/forestscience/45.4.520.

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Abstract Although the spotted owl's close association with old growth has been extensively studied, it has been more difficult to identify and quantify the abundance of particular stand structures associated with preferred owl foraging sites. Old-growth forests have a suite of characteristics that distinguish them from younger forests but which also make it difficult to isolate individual structural features important to the spotted owl. This study used an analysis of use-only sites in areas where natural disturbance had created a gradient of old-growth structural characteristics. We used radi

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Gutierrez, R., Douglas Call, and Sarah Rinkevich. "Distribution and Abundance of Spotted Owls in Zion National Park." UW National Parks Service Research Station Annual Reports 13 (January 1, 1989): 226–33. http://dx.doi.org/10.13001/uwnpsrc.1989.2841.

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The main objective of this study is to estimate the distribution, habitat use, and reproductive status of Mexican spotted owls (Strix occidentalis lucida) in Zion National Park. This information will allow managers to coordinate park activities that potentially conflict with nest sites, roost sites, or brood rearing habitats. Other objectives of this study are to estimate spotted owl food habits and fledgling success, and to compare these findings with other North American spotted owl populations.

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Watson, Richard B., and Dennis D. Muraoka. "The northern spotted owl controversy." Society & Natural Resources 5, no. 1 (1992): 85–90. http://dx.doi.org/10.1080/08941929209380777.

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Burnham, Laurie. "Threat to the Spotted Owl." Scientific American 257, no. 4 (1987): 34–36. http://dx.doi.org/10.1038/scientificamerican1087-34.

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Gutiérrez, R. J. "Hematozoa from the Spotted Owl." Journal of Wildlife Diseases 25, no. 4 (1989): 614–18. http://dx.doi.org/10.7589/0090-3558-25.4.614.

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Mazza, Patrick. "The spotted owl as scapegoat." Capitalism Nature Socialism 1, no. 4 (1990): 98–106. http://dx.doi.org/10.1080/10455759009358405.

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Kelly, Elizabeth G., Eric D. Forsman, and Robert G. Anthony. "Are Barred Owls Displacing Spotted Owls?" Condor 105, no. 1 (2003): 45–53. http://dx.doi.org/10.1093/condor/105.1.45.

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Abstract Barred Owls (Strix varia) have expanded their range into the Pacific Northwest, and anecdotal evidence suggests that they may be displacing the federally threatened Northern Spotted Owl (Strix occidentalis caurina). Our objectives were to describe the current status of Barred Owls in Oregon and compare occupancy of Spotted Owls in historic Spotted Owl territories before and after Barred Owls were first detected in those territories. Between 1974 and 1998, we estimated that 706 different Barred Owl territories were located in Oregon. From 1989–1998 an average of 60 new Barred Owl terri

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Chi, Tonja Y. "First Record of the Northern Spotted Owl Nesting in Forest Burned at the Highest Level of Severity." Western Birds 55, no. 4 (2025): 293–303. https://doi.org/10.21199/wb55.4.4.

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An instance of the Northern Spotted Owl (Strix occidentalis caurina) nesting successfully in severely burned forest indicates that under some circumstances, such habitat may indeed provide the species suitable habitat. Current forest-management approaches treat wildfire as the primary cause of habitat loss for both the Northern and California (S. o. occidentalis) Spotted Owls. Assumptions that severely burned forest does not provide any viable nesting or roosting habitat for these Spotted Owl subspecies has resulted in substantial post-fire logging and removal of burned trees throughout both o

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Dissertations / Theses on the topic "Spotted owl"

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Schumaker, Nathan H. "Habitat connectivity and spotted owl population dynamics /." Thesis, Connect to this title online; UW restricted, 1995. http://hdl.handle.net/1773/5524.

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Gonzales, Armand G. "Northern spotted owl nesting habitat on private timber lands in northwest California /." [Arcata, Calif.] : Humboldt State University, 2005. http://hdl.handle.net/2148/40.

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Berigan, William John. "Nest site selection of California spotted owls (Strix occidentalis occidentalis) in the Lassen National Forest analyzed at several spatial scales." CSU, Chico Electronic Masters Thesis, 2009. http://hdl.handle.net/10211.4/77.

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Yoder, Jonathan Keith. "The effects of spotted owl litigation on national lumber markets." Thesis, Montana State University, 1994. http://etd.lib.montana.edu/etd/1994/yoder/YoderJ1994.pdf.

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Spotted Owl litigation has led to substantial fluctuations in Pacific Northwest public timber availability from 1987 to the present. A theoretical and two distinct empirical models using monthly data are developed to understand and test the potential of this litigation to affect the national market for lumber. The results of an econometric framework indicate that Northwest public timber fluctuations have affected the Northwest lumber industry, but provide no evidence that the effects are felt in other regions of the United States. A time-series approach indicates that the Northwest lumber mark

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Mills, Alexis Lee. "Not Seeing the Forest for the Owls: News Coverage of the Spotted Owl Controversy." Thesis, The University of Arizona, 1994. http://hdl.handle.net/10150/292244.

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Bowden, Timothy Scott. "Mexican Spotted Owl reproduction, home range, and habitat associations in Grand Canyon National Park." Thesis, Montana State University, 2008. http://etd.lib.montana.edu/etd/2008/bowden/BowdenT0508.pdf.

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Mexican spotted owls (Strix occidentalis lucida) are nocturnal avian predators that are widely distributed in the southwest U.S. and northern Mexico. In 1993, the lucida subspecies was listed as threatened in response to concern over the loss of forest habitats to which the owl is widely associated. However, in the northwestern corner of their range spotted owls primarily inhabit steep-walled rocky canyons. Owl populations inhabiting this region have received less attention than populations using forests, although, canyon populations are important to the persistence of the subspecies, and are

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Sureda, Maite 1966. "Small mammal abundance within Mexican spotted owl home ranges in the Manti-LaSal National Forest, San Juan County, Utah." Thesis, The University of Arizona, 1996. http://hdl.handle.net/10150/278552.

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Ecologists suspect that owls select specific areas based on prey availability. My objective was to determine and compare distributions and abundances of Mexican spotted owl prey species' within different vegetation types in the canyons and mesas of the Manti-LaSal National Forest in Utah. I conducted live-trapping during summer and fall, 1994-95. Woodrat species (Neotoma spp.) are the Mexican spotted owls primary prey species as determined by percent biomass. Peromyscus spp. are also important in terms of frequency. Woodrats were only captured in the canyons and were primarily captured within

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Deane, McKenna Daniel C. "Managing for Multiple Objectives in Southwestern Forests: Evaluating the Trade-offs between Enhancing Mexican Spotted Owl Nest Habitat and Mitigating Potential Crown Fire." DigitalCommons@USU, 2018. https://digitalcommons.usu.edu/etd/6878.

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The Forest Inventory and Analysis (FIA), the United States’ forest census, measured sixty-six Mexican spotted owl nest stands in order gain insight into the structure and composition of the nest habitat of this threatened species. I used these data, along with the greater FIA database and the Forest Vegetation Simulator to explore questions surrounding the management of Mexican spotted owl habitat, specifically how to balance the objective of sustaining and enhancing nest habitat in face of increasing forest fire size and severity in the Southwest. My research consisted of three studies. The f

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Nickell, Kathleen R. "Spotted owls in harvested areas /." View online, 1986. http://repository.eiu.edu/theses/docs/32211998881023.pdf.

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Swarthout, Elliott Clifford Hunt. "Effects of backcountry recreation on Mexican spotted owls." Thesis, The University of Arizona, 1999. http://hdl.handle.net/10150/278707.

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On the Colorado Plateau, environments occupied by Mexican spotted owls (Strix occidentalis lucida) receive intense levels of recreational activity that could adversely effect their behavior and reproductive success. Any spatial restrictions on recreational activities in these narrow canyons would likely eliminate all recreational activity within a given canyon. We assessed changes to activity budgets and nest attendance caused by hikers (Chapter 1) and examined factors that influenced flush responses of roosting owls to hikers (Chapter 2). We conclude that high levels of recreational activity

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Books on the topic "Spotted owl"

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Section, Oregon Forest Practices, ed. Spotted owl. Forest Practices Program, Oregon Dept. of Forestry, 1994.

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Matrazzo, Donna. Northern spotted owl. Oregon Forest Resources Institute, 2007.

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Silverstein, Alvin. The spotted owl. Millbrook Press, 1994.

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British Columbia. Spotted Owl Management Inter-Agency Team., ed. Managing spotted owl habitat: Operational guidelines component of the spotted owl management plan. The Team, 1997.

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U.S. Fish and Wildlife Service., ed. Executive summary ; draft environmental alternatives analysis for a 4(d) rule for the conservation of the northern spotted owl on non-federal lands. The Service], 1995.

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Library of Congress. Congressional Research Service., ed. Mexican spotted owls: Federal protection. Congressional Research Service, Library of Congress, 1993.

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Library of Congress. Congressional Research Service, ed. Mexican spotted owls: Federal protection. Congressional Research Service, Library of Congress, 1993.

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Laymon, Stephen A. Habitat suitability index models: Spotted owl. Western Energy and Land Use Team, Division of Biological Services, Research and Development, Fish and Wildlife Service, U.S. Dept. of the Interior, 1985.

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9

Service, United States Forest, ed. Northern spotted owl data entry manual. [Publisher not identified], 1991.

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10

McGourty, Kelly. The Spotted owl in the media. Huxley College of Environmental Studies, Western Washington University, 1991.

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Book chapters on the topic "Spotted owl"

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Saaty, Thomas L., and Luis G. Vargas. "The Case of the Spotted Owl vs. The Logging Industry." In International Series in Operations Research & Management Science. Springer US, 2001. http://dx.doi.org/10.1007/978-1-4615-1665-1_17.

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LaHaye, William S., R. J. Gutiérrez, and Douglas R. Call. "Demography of an Insular Population of Spotted Owls." In Wildlife 2001: Populations. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2868-1_61.

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Franklin, Alan B. "Population Regulation in Northern Spotted Owls: Theoretical Implications for Management." In Wildlife 2001: Populations. Springer Netherlands, 1992. http://dx.doi.org/10.1007/978-94-011-2868-1_62.

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Blåsjö, Viktor. "Galileo’s Mathematical Errors." In Errors, False Opinions and Defective Knowledge in Early Modern Europe. Firenze University Press, 2023. http://dx.doi.org/10.36253/979-12-215-0266-4.07.

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Galileo’s abilities as a mathematician were far below that of many of his contemporaries. He made numerous technical mistakes — including several high-profile, mathematically erroneous applications of his own law of fall — that were swiftly spotted and corrected by the leading mathematicians of the day. Many aspects of Galileo’s work can be viewed as consequences of this limited technical proficiency in mathematics. For example, he ignores Kepler’s work and dismisses comets as a chimerical atmospheric phenomena: decisions that are difficult to justify on scientific grounds but which make sense

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Carvalho, Inês, Andreia Pereira, Francisco Martinho, et al. "Cetaceans of São Tomé and Príncipe." In Biodiversity of the Gulf of Guinea Oceanic Islands. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-06153-0_23.

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AbstractThe Gulf of Guinea is a marine biodiversity hotspot, but cetacean fauna in these waters is poorly studied and our knowledge is documented mostly from opportunistic (sightings and strandings) and whaling data. This chapter presents a short review of historical whaling in the Gulf of Guinea and an update of cetacean biodiversity in the waters of São Tomé and Príncipe. Observations since 2002 have confirmed the presence of 12 species of cetaceans, 5 of them new to the region (Striped Dolphin, Rough-toothed Dolphin, Risso’s Dolphin, Pygmy Killer Whale, and Dwarf Sperm Whale). The archipela

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Ganey, Joseph L. "Spotted Owl." In The Raptors of Arizona. University of Arizona Press, 2021. http://dx.doi.org/10.2307/j.ctv21r3jn9.51.

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Nixon, Rob. "Spotted Owls." In When Birds Are Near. Cornell University Press, 2020. http://dx.doi.org/10.7591/cornell/9781501750915.003.0003.

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This chapter looks at the author's experience looking for Mexican spotted owls in Scheelite Canyon in the Huachucas. Like most people living in the United States during the late 1980s and early 1990s, the author had never heard a spotted owl's high-pitched four-note bark. The one-and-a-half pound owl became an inadvertent celebrity. The spotted owl emerged as an indicator species not just of forest health, but of a fevered nation's political temperature. The bird's fate provoked legal fisticuffs between two federal agencies, the Bureau of Land Management and the Fish and Wildlife Service. By t

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"SPOTTED OWL (Strix occidentalis)." In Birder's Conservation Handbook. Princeton University Press, 2010. http://dx.doi.org/10.2307/j.ctt7s12c.68.

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"Ground Work: Northern Spotted Owl." In Forest Under Story. University of Washington Press, 2016. https://doi.org/10.1515/9780295806433-033.

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Mikkola, Heimo, and Anita Mikkola. "The Vocal Activity of Twelve African Owl Species." In Owls - Clever Survivors [Working Title]. IntechOpen, 2022. http://dx.doi.org/10.5772/intechopen.103887.

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Vocalization of different species of owls carries a lot of scientific information on their distribution and diversity. There is little information on the owl vocalizations in the tropical environments. The calling of 12 African owl species was studied in Malawi 1993–1998, and in The Gambia 1998–2004. The direct listening method was used to collect some 2062+ vocal records mostly at the house gardens or sometimes on the balcony at wildlife lodges and rural hotels. Owls are normally vocal most actively especially just before breeding, but in this material, the peak months coincided very little w

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Conference papers on the topic "Spotted owl"

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Ewans, Kevin, and Clarence Collins. "A Comparison of Wave Directional Spreading Measurements Made With a Spotter Buoy and a Directional Waverider Buoy in Parallel." In ASME 2024 43rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/omae2024-126998.

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Abstract The directional spreading is an important characteristic of a sea state. For example, the probability of extreme wave crests occurring within the sea state and the loading on offshore structures are both dependent on the amount of spreading. Accordingly, field measurements of waves that allow quantification of directional spreading provide valuable insight into the directional characteristics of sea states and consequently into wave crest and wave load modelling. Wave buoys that measure three orthogonal component of surface displacement permit directional spreading to be estimated; th

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Chimara, Godwin, Wael Amer, Stephane L'Hostis, and Philip Leslie. "Barite-Free Non-Aqueous Drill-In Fluid System Maximizes Productivity in High Temperature Wells." In SPE Middle East Oil & Gas Show and Conference. SPE, 2021. http://dx.doi.org/10.2118/204826-ms.

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Abstract Minimizing formation damage is vital for maximizing productivity when an openhole (slotted liner) completion strategy is used, and it is particularly challenging in high temperature wells with bottomhole static temperature approaching 190°C (374°F). A barite-weighted fluid system for such high temperature wells was identified as unsuitable due to lack of ability to remediate via acid treatment. This paper discusses how a customized barite-free non-aqueous drill-in fluid system was used to successfully achieve productivity objectives for three such wells. Based on reservoir and well da

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Mombourquette, C., and A. Martinez. "Chemical Tracing Diagnostic Application for Monitoring Flow Contribution in Unstimulated Open Hole Multi-Lateral Wells Utilizing An Engineered Solid Carrier." In SPE Canadian Energy Technology Conference and Exhibition. SPE, 2024. http://dx.doi.org/10.2118/218057-ms.

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Abstract The oil and gas industry approaches field development in many ways. One approach is to drill and produce unstimulated open-hole horizontal multilateral (also referred to as multileg) wells. The Clearwater formation, among others in the Western Canadian Sedimentary Basin (WCSB) is an excellent example of this strategy. A method to positively determine flow contribution from each leg has been historically lacking. An innovative approach, using existing tracer technology is now available to provide these insights. As drilling is completed for each lateral leg, a unique oil soluble tracer

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Olivares, Tulio, Zach Turi, and Brandon Hayes. "Innovative Solid Lubricant Solution to Reduce Friction in Challenging ERD wells." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213557-ms.

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Abstract Extended reach drilling (ERD) has become increasingly more frequent in the petroleum industry as it allows access to additional reserves in oil and gas reservoirs from a single wellbore. Consequently, this has led to an increase in friction related problems while drilling and running casing. This paper describes the extensive lab testing and technical implementation of an innovative technology that utilizes a customized solid lubricant to reduce friction and help operators achieve challenging depths. Comprehensive lab testing was conducted to tailor the required formulations of the so

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Al Harty, N., E. Rassuli, H. Al Lawati, A. Aslanyan, D. N. Gulyaev, and A. N. Nikonorova. "Assessing the Heavy Oil Waterflood Efficiency through Integrated Crosswell Testing and Advanced Production Analysis." In International Petroleum Technology Conference. IPTC, 2024. http://dx.doi.org/10.2523/iptc-23218-ms.

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Abstract The paper presents a study of a heavy oil mature field in Oman with aggressive water cut growth and slightly exceeding the ultimate recovery as per the initial Master Development Plan expectations. The reserves have been naturally depleted for more than a decade before trying out the waterflood a few years back. The first results of the waterflood were not consistent due to high cross-well interference from one side and possible compartmentalization from another. The key objective of the current study was to assess the on-going waterflood efficiency, cross-well interference, possible

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Sindi, Rami, Mohammed Rubiea, Chidieber Anioke, Zainab Alabdulmohsen, and Mohamed Fathallah. "Don't Lose Your Bha - New Approach to Freeing Stuck Pipe in Obm." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22544-ea.

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Abstract Objective Mesophase is a spotting fluid, along with an organic acid which will serve to remove filter cake matter, equalize differential pressure, and free the pipe. Methodology Herein is a case history of a successful application using mesophase technology for stuck pipe incident in lateral reservoir section align with wellbore cleanouts. Stuck pipe is a major operational challenge that causes a significant amount of downtime and high costs during the operation. Filter cake can significantly cause stuck pipe incidents and reduce the efficiency of the production rate of a well. This p

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Alsinan, Ali, Khalilur Rehman, and Ahmad Bakodah. "Towards Sustainable Excellence & Biodiversity Protection in Upstream O & G Facility." In Middle East Oil, Gas and Geosciences Show. SPE, 2023. http://dx.doi.org/10.2118/213248-ms.

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Objective The objective is to showcase the Abu Ali facility's commitment to protecting and preserving the Abu Ali biodiversity ecosystem. The project demonstrates a modern sustainable, circular, innovative and systemic approach to target the biodiversity threats in multi-dimensional aspects and transform these threats into opportunities to improve the island's ecosystem. The island is important to Aramco's upstream operations because it houses an oil and gas production facility. The organization has determined its environmental goals from the corporate policies and vision to be as follows. Con

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Al-Azmi, Ali, Hassan Al-Qattan, Mohamad Al-Dousari, et al. "An Effective Solution for Unwanted Water Production Obtained from Water Coning Mechanism: Field Application." In International Petroleum Technology Conference. IPTC, 2022. http://dx.doi.org/10.2523/iptc-22371-ms.

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Abstract Undesired water or gas production has been an issue for decades within the petroleum industry. Cases of unwanted water production from water coning mechanisms are increasing and becoming a frequent challenge. This paper presents the implementation of a unique water shut-off system to effectively reduce or eliminate water production and maximize the life of the well. These systems are conformance polymer sealants (CPS), an organically crosslinked polymer that is thermally activated to adequately seal the targeted interval, and a particulate-CPS (P-CPS) that combines the CPS system with

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Abdul Uloom, Hazirah, Asba Madzidah Abu Bakar, M. Mifdhal Hussain, et al. "678 Challenges of Well Completion Design & Operation Solutions for Deep Gas Well with Multiple Producing Zone in Mildly Overpressured Reservoirs at Offshore Malaysia." In SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205634-ms.

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Abstract Based on the production data from first development campaign in 2017, contamination reading of CO2 and H2S from gas production wells were observed increasing from 3% to 10% and from 3ppm to 16ppm respectively within one year production. These findings have triggered the revisit in 2019 development campaign optimization strategy in terms of material selection, number of wells, reservoir targets, and completion design. Thus, tubing material was upgraded to HP1-13CR for the upper part of tubing up to 10,000 ft-MDDF (feet measure depth drilling rig floor) to avoid SSC risk due to the geos

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Ovwigho, Efe Mulumba. "Novel Solution For Curing Total Losses in Highly Fractured Reservoir Formation on a Major Oil Producing Field in the Middle East." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/202148-ms.

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Abstract The reservoir formation in a major oilfield in South of Iraq is highly fractured. The operator has set as requirement that any losses had to be cured before drilling ahead. Whenever losses are encountered, drilling is stopped to cure the losses, most of the times spotting at least four cement plugs before drilling ahead are required. The current process leaves the well in an underbalanced condition for a long time posing well control risk. It was necessary to come up with an optimized solution that reduces this exposure. Drilling the entire reservoir formation to expose all loss zones

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Reports on the topic "Spotted owl"

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Gutiérrez, R. J., Patricia N. Manley, and Peter A. Stine. The California spotted owl: current state of knowledge. U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 2017. http://dx.doi.org/10.2737/psw-gtr-254.

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Gutiérrez, R. J., Patricia N. Manley, and Peter A. Stine. The California spotted owl: current state of knowledge. U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 2017. http://dx.doi.org/10.2737/psw-gtr-254.

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Verner, Jared, Kevin S. McKelvey, Barry R. Noon, R. J. Gutierrez, Gordon I. Jr Gould, and Thomas W. Beck. The California spotted owl: a technical assessment of its current status. U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1992. http://dx.doi.org/10.2737/psw-gtr-133.

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Gutierrez, Ralph J., and Andrew B. tech eds Carey. Ecology and management of the spotted owl in the Pacific Northwest. U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985. http://dx.doi.org/10.2737/pnw-gtr-185.

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Lint, Joseph, Barry Noon, Robert Anthony, et al. Northern spotted owl effectiveness monitoring plan for the Northwest Forest Plan. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1999. http://dx.doi.org/10.2737/pnw-gtr-440.

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Carey, Andrew B., Scott P. Horton, and Janice A. Reid. Optimal sampling for radiotelemetry studies of spotted owl habitat and home range. U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1989. http://dx.doi.org/10.2737/pnw-rp-416.

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Sanchez, Audrey Anna, and Charles Dean Hathcock. Noise Study for the Mexican Spotted Owl Sandia-Mortandad Area of Environmental Interest. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1511180.

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Sanchez, Audrey Anna, and Charles Dean Hathcock. Noise Study for the Mexican Spotted Owl Sandia-Mortandad Area of Environmental Interest. Office of Scientific and Technical Information (OSTI), 2019. http://dx.doi.org/10.2172/1511189.

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Cormier, Renee, Margaret Brown, Diana Humple, William Merkle, David Press, and Kristen Dybala. Vulnerability assessment and conservation recommendations for the northern spotted owl in Marin County, California. National Park Service, 2024. http://dx.doi.org/10.36967/2303475.

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Abstract:

Vulnerability assessments are a common approach to identifying conservation priorities for species and informing resource management decisions by evaluating species? exposure (spatial extent and frequency/intensity) and sensitivity (whether and how a species will respond) to a threat. We assessed the vulnerability of the Northern Spotted Owl (NSO; Strix occidentalis caurina) in Marin County to eight distinct threats: 1) competition with Barred Owls (S. varia); 2) climate change; 3) wildfire; 4) sudden oak death (SOD); 5) other habitat loss/disturbance, specifically from urban development or fu

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Azuma, David L., James A. Baldwin, and Barry R. Noon. Estimating the occupancy of spotted owl habitat areas by sampling and adjusting for bias. U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 1990. http://dx.doi.org/10.2737/psw-gtr-124.

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