Academic literature on the topic 'Siskiyou'

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Journal articles on the topic "Siskiyou"

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Finn, Chad E., Francis J. Lawrence, Bernadine C. Strik, Brian Yorgey, and Joe DeFrancesco. "`Siskiyou' Trailing Blackberry." HortScience 34, no. 7 (December 1999): 1288–90. http://dx.doi.org/10.21273/hortsci.34.7.1288.

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Takeda, Fumiomi, Thomas Tworkoski, Chad E. Finn, and Charles C. Boyd. "Blackberry Propagation by Non-leafy Floricane Cuttings." HortTechnology 21, no. 2 (April 2011): 236–39. http://dx.doi.org/10.21273/horttech.21.2.236.

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One- or two-node hardwood cuttings were taken from 9-year-old ‘Triple Crown’ and ‘Siskiyou’ blackberry (Rubus) plants on 5 Nov. 2009, 3 Dec. 2009, and 21 Jan. 2010. The response of cuttings with and without partially excised axillary buds to an application of cytokinin was compared with control cuttings with intact axillary buds and no cytokinin. Differences in root development were evident in the two cultivars tested. The cuttings of ‘Siskiyou’ and ‘Triple Crown’ callused on cut ends, but many of the adventitious roots developed from the base of the axillary buds. Shoots emerged from the bud in ≈90% of ‘Siskiyou’ cuttings stuck in November, December, and January. Rooting occurred in more than 90% of cuttings stuck in November and December but declined in cuttings stuck in January. In ‘Siskiyou’, bud excision had no effect on shoot and root emergence, but cytokinin treatment suppressed rooting in cuttings collected in November and January. Shoot emergence and rooting were poorer in ‘Triple Crown’ cuttings than in ‘Siskiyou’. In ‘Triple Crown’ cuttings, partial excision of buds reduced shoot emergence only in January but had no effect on rooting at three sticking dates. Cytokinin treatment improved shoot emergence in November and December but reduced rooting in January. The enclosed system is a viable method for propagating ‘Siskiyou’ blackberry by non-leafy floricane cuttings.
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Qualset, C. O., H. E. Vogt, J. P. Gustafson, F. J. Zillinsky, J. D. Prato, and K. D. Beatty. "Registration of ‘Siskiyou’ Triticale." Crop Science 25, no. 5 (September 1985): 887. http://dx.doi.org/10.2135/cropsci1985.0011183x002500050041x.

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Mesler, Michael, Robin Bencie, and Bianca Hayashi. "A Resurrection for Siskiyou bells, Prosartes parvifolia (Liliaceae), a Rare Siskiyou Mountains Endemic." Madroño 57, no. 2 (April 2010): 129–35. http://dx.doi.org/10.3120/0024-9637-57.2.129.

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SHEAR, WILLIAM A. "Cave millipeds of the United States. XI. Opiona graeningi, n. sp., a troglomorphic caseyid milliped from Siskiyou County, California, with comments on the genus Opiona Chamberlin 1951 (Diplopoda, Chordeumatida, Caseyidae)." Zootaxa 3114, no. 1 (November 30, 2011): 50. http://dx.doi.org/10.11646/zootaxa.3114.1.5.

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The new species Opiona graeningi is described from caves in the Marble Mountain Wilderness Area, Klamath National Forest, Siskiyou Co., California, as the first troglomorphic species of Opiona, the first troglobiont from the globally important Klamath Siskiyou ecoregion, and possibly the first troglobiotic caseyid. Notes are provided on the composition of the genus Opiona and on the interpretation of the gonopods. Opiona, with 13 described species, may not be monophyletic.
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Knowe, Steven A., Timothy B. Harrington, and Robert G. Shula. "Incorporating the effects of interspecific competition and vegetation management treatments in diameter distribution models for Douglas-fir saplings." Canadian Journal of Forest Research 22, no. 9 (September 1, 1992): 1255–62. http://dx.doi.org/10.1139/x92-167.

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A parameter recovery procedure for the Weibull distribution function, based on diameter percentiles, was modified to incorporate the effects of interfering vegetation in young Douglas-fir (Pseudotsugamenziesii (Mirb.) Franco var. menziesii) plantations. The applicability of the system was tested by using data from sites in the Coast Ranges of Oregon and Washington and in the Siskiyou Mountains of southwestern Oregon. Four percentiles (0, 25th, 50th, 95th) of the cumulative probability distribution were predicted as functions of quadratic mean diameter and age. In the Siskiyou study, cover and total vegetation control affected quadratic mean diameter and all four percentiles; intensity of the vegetation treatments affected the 0 and 25th percentiles, and the interaction between intensity and timing of treatment affected quadratic mean diameter. In the Coast Ranges study, only quadratic mean diameter was affected by cover of woody vegetation, while quadratic mean diameter and the 25th percentile were significantly affected by total vegetation control. The predicted distributions showed decreasing variance with increasing cover, particularly in the Siskiyou Mountains. In the Coast Ranges study, the coefficient of variation increased with increasing cover, indicating that the variance of stem diameters was affected by average size. On xeric sites in the Siskiyou Mountains, high diameter variability in plots with total vegetation control suggests that interspecific competition may inhibit the expression of microsite variation.
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Takeda, Fumiomi, and Jorge Soria. "Method for Producing Long-cane Blackberry Plants." HortTechnology 21, no. 5 (October 2011): 563–68. http://dx.doi.org/10.21273/horttech.21.5.563.

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The objective of this study was to evaluate primocane cane training and propagation techniques for the production of long-cane blackberry (Rubus spp.) plants. Seventeen to 29 6-ft-long canes were produced from each semierect ‘Triple Crown’ and trailing ‘Siskiyou’ blackberry plant grown on the rotating cross-arm (RCA) trellis and cane training system. By early August, the lateral canes had grown beyond the top wire ≈6 ft above the ground and continued growing downward to the ground. The tips of the lateral canes reached the soil level from mid-August to mid-September at which time they were placed in 1/2-gal pots containing peat-based media. In early Oct. 2009, the tip-rooted lateral canes were cut from the stock plant at the uppermost trellis wire. Among the long-cane plants produced in 2009, 76% of buds in ‘Siskiyou’ broke, but less than 30% of buds in ‘Triple Crown’ broke in a heated greenhouse. Flowering occurred in 15% of the shoots that developed on rooted ‘Siskiyou’ long canes, but the shoots on the long-cane plants of ‘Triple Crown' were morphologically vegetative and flowering did not occur. In 2010–11, the long-cane plants were detached from the stock plants in December, January, and March. The numbers of nodes with a flowering shoot improved to 41% and 16% and the number of flowers per shoot increased to two and five flowers on long-cane plants of ‘Siskiyou’ and ‘Triple Crown’ blackberry, respectively.
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Takeda, Fumiomi, and John Phillips. "Horizontal Cane Orientation and Rowcover Application Improve Winter Survival and Yield of Trailing ‘Siskiyou’ Blackberry." HortTechnology 21, no. 2 (April 2011): 170–75. http://dx.doi.org/10.21273/horttech.21.2.170.

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Using the rotating cross-arm (RCA) trellis and cane training system, lateral canes of trailing ‘Siskiyou’ blackberry (genus Rubus subgenus Rubus) were kept vertically or rotated down to horizontal so that plant canopy was close to the ground. In winter, the plots were either covered with a non-woven rowcover (RC) or left uncovered. Cane injury was least in plants with lateral canes oriented horizontally and covered. Cane injury was high in plants with lateral canes oriented vertically in winter, whether covered or not, and among plants with lateral canes laid close to the ground but not covered. Among ‘Siskiyou’ plants that had lateral canes oriented horizontally, 280 flower clusters and 6.0 kg fruit/plant were produced on plants that had a RC in the winter compared with only 72 flower clusters and 1.7 kg fruit/plant for plants that were not covered in winter, in 2009. Fewer flower clusters developed and the yield was ≤2 kg/plant on plants with lateral canes oriented vertically. Yield differences between the most and least productive treatments were low in 2010 because of milder winter conditions and snowfall during the coldest periods that fully or partially covered the lateral canes oriented horizontally and close to the ground. The RC treatment had no effect on cane injury or yield when lateral canes were oriented vertically. The findings suggested that ‘Siskiyou’ blackberry can be grown in the eastern United States, where winter injury has frequently caused a crop failure, by positioning the lateral canes close to the ground and covering plants with a RC.
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Kyser, Guy B., Morgan P. Doran, Neil K. McDougald, Steve B. Orloff, Ronald N. Vargas, Robert G. Wilson, and Joseph M. DiTomaso. "Site Characteristics Determine the Success of Prescribed Burning for Medusahead (Taeniatherum caput-medusae) Control." Invasive Plant Science and Management 1, no. 4 (October 2008): 376–84. http://dx.doi.org/10.1614/ipsm-08-087.1.

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AbstractMedusahead is one of the most problematic rangeland weeds in the western United States. In previous studies, prescribed burning has been used successfully to control medusahead in some situations, but burning has failed in other circumstances. In this study, trials were conducted using the same protocol at four locations in central to northern California to evaluate plant community response to two consecutive years of summer burning and to determine the conditions resulting in successful medusahead control. During 2002 through 2003 large-scale experiments were established at two low-elevation, warm-winter sites (Fresno and Yolo counties) and two higher elevation, cool-winter sites (Siskiyou and Modoc counties). Plant species cover was estimated using point-intercept transects, and biomass samples were taken in each plot. After 2 yr of burning, medusahead cover was reduced by 99, 96, and 93% for Fresno, Yolo, and Siskiyou counties, respectively, compared to unburned control plots. Other annual grasses were also reduced, but less severely, and broadleaf species increased at all three sites. In contrast, 2 yr of burning resulted in a 55% increase in medusahead at the coolest winter site in Modoc County. In the second season after the final burn, medusahead cover remained low in burned plots at Fresno and Yolo counties (1 and 12% of cover in unburned controls, respectively), but at the Siskiyou site medusahead recovered to 45% relative to untreated controls. The success of prescribed burning was correlated with biomass of annual grasses, excluding medusahead, preceding a burn treatment. It is hypothesized that greater production of combustible forage resulted in increased fire intensity and greater seed mortality in exposed inflorescences. These results demonstrate that burning can be an effective control strategy for medusahead in low elevation, warm-winter areas characterized by high annual grass biomass production, but may not be successful in semiarid cool winter areas.
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Olson, David, Dominick A. DellaSala, Reed F. Noss, James R. Strittholt, Jamie Kass, Marni E. Koopman, and Thomas F. Allnutt. "Climate Change Refugia for Biodiversity in the Klamath-Siskiyou Ecoregion." Natural Areas Journal 32, no. 1 (January 2012): 65–74. http://dx.doi.org/10.3375/043.032.0108.

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Dissertations / Theses on the topic "Siskiyou"

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Fentress, Jeffrey B. "The archaeology of Butte Valley, Siskiyou County, California /." view abstract or download file of text, 2002. http://wwwlib.umi.com/cr/uoregon/fullcit?p3055687.

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Thesis (Ph. D.)--University of Oregon, 2002.
Typescript. Includes vita and abstract. Includes bibliographical references (leaves 474-500). Also available for download via the World Wide Web; free to University of Oregon users.
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Alexander, John D. "Bird-habitat relationships in the Klamath/Siskiyou mountains /." View full-text version online through Southern Oregon Digital Archives, 1999. http://soda.sou.edu/awdata/040226a1.pdf.

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Thesis (M.S.)--Southern Oregon University, 1999.
Typescript. Includes bibliographical references (leaves 76-80). Also available via Internet as PDF file through Southern Oregon Digital Archives: http://soda.sou.edu. Search Bioregion Collection.
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Visconty, Greg. "Rock slope stability studies in Siskiyou National Forest." PDXScholar, 1988. https://pdxscholar.library.pdx.edu/open_access_etds/3903.

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The line mapping method of Piteau and Martin (1977) was tested on two different rock type road cuts in the Siskiyou National Forest, and was found to be an efficient means of collecting geological data for rock slope stability analysis. The unbiased approach of this method calls for close scrutiny of the outcrops in question, covering more ground than other methods in less time. In turn, this close attention to every crack in the outcrop reveals more about the stability of the slope, and can reveal hidden hazards of rock fall. The supportive systems for analyzing the data - stereonets and computer program packages of Watts (1986) - led to the discoveries of several potential plane and wedge failures which were not initially visible. Also revealed was the fairly stable condition of the massive wedge at Elk River, which appeared to be extremely hazardous. Each potential failure was analyzed for its Factor of Safety under dry and water saturated conditions, and the cohesion necessary to maintain stability was reported.
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Wittman, Sarah. "Ant Community Assembly in the Siskiyou-Klamath Ecoregion." ScholarWorks @ UVM, 2008. http://scholarworks.uvm.edu/graddis/242.

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Interference competition is widely considered to structure ant communities. Competition’s effect, however, may be contingent upon disturbance or the abiotic environment. The interaction of temperature and competition is implicit in a wide body of ant community research; however, very few studies have experimentally manipulated these variables. To investigate the role of competition and temperature on ant communities, I (i) employed null models to investigate how species partition their spatial, temporal, and thermal environments in disturbed and undisturbed forests, (ii) used pairwise behavioral experiments to construct a Markov chain model to predict relative abundance patterns and correlated behavioral indices to species co-occurrence patterns, and (iii) conducted a shade, physiological thermal tolerance, and fully factorial shade and removal experiment to investigate the interaction of competition and temperature on ant community structure. The results of these studies are summarized below. First, I took advantage of a natural experiment, the 2002 Biscuit Fire, to investigate how species partition their temporal, thermal, and spatial environments in disturbed and undisturbed forests with null models. I found that most sites displayed a high degree of temporal niche overlap and species aggregation along the thermal axis. Half of the sites, however, had regular spacing of the temperature at which species obtain maximum activity. Species co-occurrence patterns in space modulated with diurnal temperature variations. Unburned sites had more spatial segregation of species than burned sites. Overall, it appears as though species activity is regulated, at least in part, by the thermal niche axis, and ant communities may repeatedly assemble and disassemble throughout the day. Second, I used data from pairwise behavioral experiment to generate transition probabilities for a Markov chain model. Assuming the landscape represents a large number of patches, the model predicted the relative abundance of an assemblage. I compared Markov chain predictions of relative abundance to relative abundance measurements on the local and regional scale. I used the same pairwise behavioral data to predict species co-occurrence values in three sites. Neither model accurately predicted community patterns. The only significant result was the Markov chain prediction of bait occurrence on the local scale; however, the relationship was opposite of the prediction. Finally, I conducted a shade experiment to investigate how communities respond to an altered thermal environment and associated their response to results from physiological thermal tolerance experiments. I then conducted a fully-factorial shade and Formica moki removal experiment to investigate if thermal responses were mediated by competitive effects. The addition of shade tables greatly reduced temperatures in the field, and Temnothorax nevadensis abundance was consistently lower in shade treatments. Decreased abundance at shade stations did not appear to be an indirect effect of F. moki activity. Physiological thermal tolerance was strongly associated with changes in abundance in shade treatments: the lower a species thermal tolerance, the greater its positive change in abundance after shade additions. The only species with a strong foraging response to F. moki removal was T. nevadensis, a species who was often cooccurred with F. moki on baits. I did not find evidence for the interaction of competition and temperature, and it appears as though physiological differences strongly influence the foraging activity of Siskiyou ant communities.
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Lininger, Jay Charles. "Effectiveness of stand-scale forest restoration, Siskiyou Mountains, Oregon." CONNECT TO THIS TITLE ONLINE, 2006. http://etd.lib.umt.edu/theses/available/etd-12272006-171106/.

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"Professional paper presented in partial fulfillment of the requirements for the degree of Master of Science in Environmental Studies, the University of Montana, Missoula, MT, fall 2006."
Title from PDF t.p. (viewed on Feb. 26, 2007). Includes bibliographical references (p. 77-90).
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Howard, Emily M. "Divided into Stands, Together they Fall: A critical analysis of salvage logging in the Rogue-Siskiyou National Forest." Diss., Virginia Tech, 2013. http://hdl.handle.net/10919/51800.

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This research takes elements of the scholarship on environmentalism -- political theory and ethical philosophy -- and evaluates them together in the context of the conflict over salvage logging in the Rogue-Siskiyou National Forest in Oregon. I tell the story of the conflict through a history of land and fire management in the U.S. Through a closely detailed account of the anti-salvage logging activism, I explore the gap between ethics and political responsibility and how they unfold in this battle against deforestation. This research offers an in-depth look into how the environmental movement struggled internally to identify goals, and to challenge powerful economic and political systems that prevent significant change from taking root. I argue that the environmental movement needs a theory of environmental responsibility as a framework by which to better understand the strategies and complexities of environmental conflicts. The task of environmental responsibility is to confront the challenge of how to make the environmental movement responsive to the political and economic conditions that produce conflicts, and how environmentalism can overcome the limits of liberal individualism. As forests continue to dwindle, and as activists across the nation mobilize to stop the Keystone XL pipeline that will carry Canadian tar sands to the Gulf of Mexico, the future of environmentalism has never been more critical.
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Shahani, Priya. "Demography and native bee pollination of Sedum laxum (Crassulaceae), an endemic, clonal plant in a managed forest matrix landscape of the Siskiyou Mountains /." Diss., Digital Dissertations Database. Restricted to UC campuses, 2007. http://uclibs.org/PID/11984.

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O'Donnell, James. "An ecological study of Preston Peak's flora : establishing baseline data for climate change research on subalpine vegetation /." View full-text version online through Southern Oregon Digital Archives, 2003. http://soda.sou.edu/awdata/040304a1.pdf.

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Thesis (M.S.)--Southern Oregon University, 2003.
"A thesis submitted to the Department of Biology and the Graduate School of Southern Oregon University in partial fulfillment of the requirements for the degree of Master of Science in Environmental Education." Includes bibliographical references (leaves 93-89). Also available via Internet as PDF file through Southern Oregon Digital Archives: http://soda.sou.edu. Search Bioregion Collection.
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Pischel, Esther Maria. "Investigating the Link Between Surface Water and Groundwater in the Tule Lake Subbasin, Oregon and California." PDXScholar, 2014. https://pdxscholar.library.pdx.edu/open_access_etds/1941.

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Water allocation in the upper Klamath Basin of Oregon and California has been challenging. Irrigators have increasingly turned to groundwater to make up for surface water shortages because of shifts in allocation toward in-stream flows for Endangered Species Act listed fishes. The largest increase in groundwater pumping has been in and around the Bureau of Reclamation's Klamath Irrigation Project, which includes the Tule Lake subbasin in the southern part of the upper Klamath Basin. Previous groundwater flow model simulations indicate that water level declines from pumping may result in decreased flow to agricultural drains in the Tule Lake subbasin. Agricultural drains on the Klamath Project are an important source of water for downstream irrigators and for the Tule Lake and Lower Klamath Lake National Wildlife Refuges. To better assess the impact of increased pumping on drain flow and on the water balance of the groundwater system, flow data from agricultural drains were evaluated to investigate the changes that have taken place in groundwater discharge to drains since pumping volumes increased. Additionally, a fine-grid groundwater model of the Tule Lake subbasin was developed based on the existing regional flow model. The fine-grid model has sufficient vertical and horizontal resolution to simulate vertical head gradients, takes advantage of time-series data from 38 observation wells for model calibration, and allows agricultural drains to be more explicitly represented. Results of the drain flow analysis show that the groundwater discharge to agricultural drains has decreased by approximately 4000 hectare-meters from the 1997-2000 average discharge. Most of this decrease takes place in the northern and southeastern portions of the subbasin. Results of the groundwater model show that the initial source of water to wells is groundwater storage. By 2006, approximately 56% of the water from wells is sourced from agricultural drains.
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Clark, William C. "Road networks, timber harvest, and the spread of Phytophthora root rot infestations of Port-Orford-­cedar in southwest Oregon." Thesis, 2011. http://hdl.handle.net/1957/23622.

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Phytophthora lateralis is the causal agent of cedar root rot, a fatal forest pathogen whose principal host is Chamaecyparis lawsoniana (Port-Orford-cedar), a predominantly riparian-restricted endemic tree species of ecological, economical, and cultural importance to coastal Oregon and California. Local scale distribution of P. lateralis is thought to be associated with timber harvest and road-building disturbances. However, knowledge of the landscape-scale factors that contribute to successful invasions of P. lateralis is also important for effective land management of Port-Orford-cedar. P. lateralis is able to infest in wet conditions via stream networks (zoospore) and dry conditions via road networks (resting spore). This study tested the hypothesis that vehicles spread P. lateralis by relating its distribution to traffic intensive, anthropogenic disturbances (i.e. a road network, timber harvest) over a 31-yr period in a 3,910-km² portion of the Rogue River-Siskiyou National Forest in the Siskiyou Mountains of Oregon. Indices of road disturbance (presence/absence, configuration, length, density, road-stream network connectivity) and timber harvest (presence/absence, area, density, frequency) were related to locations of infested cedar populations from a USFS survey dataset using a geographic information system (GIS). About 40% of 934 7th-field catchments were infested with the pathogen. Total road length of the study site was 5,070 km; maximum road density was 8.2 km/km2 and averaged 1.6 km/km² in roaded catchments (n = 766). Timber activities extracted 17,370 ha (2,338 cutting units) of forest across 509 catchments; 345 catchments were cut ≥ twice. Maximum harvest density was 0.92 km²/km² ([mean] = 0.04). Both road networks and timber harvest patchworks were significantly related to cedar root rot heterogeneity. Chi-squared contingency tables showed that infestation rates were 2.2 times higher in catchments with roads compared to roadless catchments and 1.4 times higher in catchments with road-stream intersections compared to those that were unconnected. Infestation was twice as likely in catchments with both harvest and road presence than road presence alone. Single-variable logistic regression showed that a one percent increase in harvest density increased infestation odds 25% and a one-unit (km/km²) increase in road density increased infestation odds 80%. Road and stream network configuration was also important to pathogen distribution: 1) uninfested catchments are most likely to be spatially removed from infested, roaded catchments, 2) only 11% of 287 roaded catchments downstream of infested, roaded catchments were uninfested, and 3) only 12% of 319 catchments downstream of infested catchments were uninfested. Road networks and timber harvest patchworks appear to reduce landscape heterogeneity by providing up-catchment and down-catchment access to host populations by linking pathogenic materials to the stream network. Timber harvest data suggest that while infestation risk to Port-Orford-cedar populations remains high, management policies may have curbed infestation risk in timber-harvested catchments; if this is a result of specific P. lateralis mitigation policies adopted in the late 1980's or broader, region-wide conservation policies (i.e. the Northwest Forest Plan) is yet unclear.
Graduation date: 2012
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Books on the topic "Siskiyou"

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The siskiyou two-step. London: Hale, 1986.

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Region, United States Forest Service Pacific Northwest. Applegate Plantation Thin: Environmental assessment, Siskiyou Mountains Ranger District. Rogue River-Siskiyou National Forest. [Portland, Or.?]: United States Dept. of Agriculture. Forest Service. Pacific Northwest Region, 2010.

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Payne, Wanda Hoad. Winema Cemetery, Siskiyou County, Weed, California. [California?]: Wanda Payne and Mary Burchfield, 2001.

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George, Caraway. Siskiyou County marriages, 1852 thru 1910. Yreka, Ca. (P.O. Box 225, Yreka 96097): Genealogical Society of Siskiyou County, California, 1992.

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Webber, Bert. The Siskiyou Line: Adventure in railroading : documentary. Medford, Or: Webb Research Group Publishers, 1997.

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Paetzel, Mary. Butterflies and plants of the Siskiyou Mountains. Oregon: [s.n.], 1997.

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Region, United States Forest Service Pacific Northwest. Siskiyou National Forest road and trail atlas. [Portland, Or.?]: The Region, 1995.

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Dye, John A. The 1867 great register for Siskiyou County, California. Kent, Wash: John A. and Judy K. Dye, 1988.

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Dye, John A. The 1892 great register for Siskiyou County, California. Spokane, WA: John A. & Judy K. Dye, 1986.

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Stein, William I. Regeneration outlook on BLM lands in the Siskiyou Mountains. [Portland, OR]: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1986.

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Book chapters on the topic "Siskiyou"

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Roth, John E. "Coniferous Forests of the Klamath-Siskiyou Region, Northwest California and Southwest Oregon." In Encyclopedia of the World's Biomes, 116–28. Elsevier, 2020. http://dx.doi.org/10.1016/b978-0-12-409548-9.11909-8.

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Barnes, Calvin G., Arthur W. Snoke, Gregory D. Harper, Carol D. Frost, Rory R. McFadden, Jonathan C. Bushey, and Melanie A. W. Barnes. "Arc plutonism following regional thrusting: Petrology and geochemistry of syn- and post-Nevadan plutons in the Siskiyou Mountains, Klamath Mountains province, California." In Geological Studies in the Klamath Mountains Province, California and Oregon: A volume in honor of William P. Irwin. Geological Society of America, 2006. http://dx.doi.org/10.1130/2006.2410(17).

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Conference papers on the topic "Siskiyou"

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Cristescu, Isabelle, and Brandon Browne. "MINERALOGICAL AND TEXTURAL ANALYSIS OF HORNBLENDE REACTION RIMS IN LAVA FLOWS FROM MOUNT SHASTA, SISKIYOU COUNTY, CA." In 116th Annual GSA Cordilleran Section Meeting - 2020. Geological Society of America, 2020. http://dx.doi.org/10.1130/abs/2020cd-347409.

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Reports on the topic "Siskiyou"

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Visconty, Greg. Rock slope stability studies in Siskiyou National Forest. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.5786.

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Stein, William I. Regeneration outlook on BLM Lands in the Siskiyou Mountains. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1986. http://dx.doi.org/10.2737/pnw-rp-349.

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McKay, Neil. A stockability equation for forest land in Siskiyou County, California. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985. http://dx.doi.org/10.2737/pnw-rn-435.

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Campbell, Robert K., and Albert I. Sugano. Genetic variation and seed zones of Douglas-fir in the Siskiyou National Forest. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, 1993. http://dx.doi.org/10.2737/pnw-rp-461.

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Vinikour, W. S., K. E. LaGory, and J. J. Adduci. Conservation assessment for the Siskiyou Mountains salamander and Scott Bar salamander in northern California. Office of Scientific and Technical Information (OSTI), October 2006. http://dx.doi.org/10.2172/924685.

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Wilson, Carol. A population study of three iris (iridaceae) species native to the Siskiyou Mountains in southwestern Oregon and adjacent California. Portland State University Library, January 2000. http://dx.doi.org/10.15760/etd.5286.

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Environmental changes in the Tule Lake basin, Siskiyou and Modoc Counties, California, from 3 to 2 million years before present. US Geological Survey, 1990. http://dx.doi.org/10.3133/b1933.

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