Academic literature on the topic 'Lost River sucker'

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Journal articles on the topic "Lost River sucker"

1

Rasmussen, Josh E. "Status of Lost River Sucker and Shortnose Sucker." Western North American Naturalist 71, no. 4 (December 2011): 442–55. http://dx.doi.org/10.3398/064.071.0402.

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Rasmussen, Josh E., and Evan S. Childress. "Population Viability of Endangered Lost River Sucker and Shortnose Sucker and the Effects of Assisted Rearing." Journal of Fish and Wildlife Management 9, no. 2 (December 1, 2018): 582–92. http://dx.doi.org/10.3996/032018-jfwm-018.

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Abstract The Lost River Sucker Deltistes luxatus and Shortnose Sucker Chasmistes brevirostris are two narrowly endemic fish species in the upper Klamath Basin of southern Oregon and northern California. Both species have been federally listed as endangered pursuant to the U.S. Endangered Species Act since 1988 because of dramatic declines in abundance and distribution. In Upper Klamath Lake, Oregon, both species have only recruited a single cohort to the adult populations since that time. Most individuals in this population are at or older than the expected life span of the species. Consequently, the U.S. Fish and Wildlife Service and the Klamath Tribes have initiated assisted rearing efforts to stabilize the population. However, it is unclear how quickly these populations might become extirpated and how assisted rearing might alter population trajectories. We modeled the potential for extinction and recovery of the populations of endangered Lost River Sucker and Shortnose Sucker in Upper Klamath Lake. We simulated population trajectories over the next 50 y with a stochastic population viability assessment approach. Projections indicate that if population trajectories do not change, the Shortnose Sucker population may decline by 78% to number < 5,000 in 10 y and become completely extirpated within the next 30 (18.6% probability) to 40 y (99% probability). The two Lost River Sucker populations have a greater likelihood to remain extant after 50 y, with only 1% probability of extinction given our scenarios and assumptions, but the populations are likely to number fewer than 1,000 individuals. Our results also suggest that rearing of Klamath Lake sucker species in a controlled environment for augmenting the natural population will be effective in reducing extirpation probabilities over the next 50 y if survival to recruitment can be achieved, but a long-term effort of at least 40 y will be required. The necessity of long-term augmentation to ensure population persistence in the absence of natural recruitment underscores the urgent need to determine and address the causes of recruitment failure in the wild.
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Janney, Eric C., Rip S. Shively, Brian S. Hayes, Patrick M. Barry, and David Perkins. "Demographic Analysis of Lost River Sucker and Shortnose Sucker Populations in Upper Klamath Lake, Oregon." Transactions of the American Fisheries Society 137, no. 6 (November 2008): 1812–25. http://dx.doi.org/10.1577/t06-235.1.

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4

Day, Julie L., Jennifer L. Jacobs, and Josh Rasmussen. "Considerations for the Propagation and Conservation of Endangered Lake Suckers of the Western United States." Journal of Fish and Wildlife Management 8, no. 1 (March 1, 2017): 301–12. http://dx.doi.org/10.3996/022016-jfwm-011.

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Abstract Decades of persistent natural and anthropogenic threats coupled with competing water needs have compromised numerous species of freshwater fishes, many of which are now artificially propagated in hatcheries. Low survival upon release is common, particularly in systems with substantial nonnative predator populations. Extensive sampling for Shortnose (Chasmistes brevirostris) and Lost River Suckers (Deltistes luxatus) in the Klamath River Basin on the California–Oregon border have failed to detect any new adult recruitment for at least two decades, prompting an investigation into artificial propagation as an extinction prevention measure. A comprehensive assessment of strategies and successes associated with propagation for conservation restocking has not been performed for any Catostomid. Here, we review available literature for all western lake sucker species to inform propagation and recovery efforts for Klamath suckers and summarize the relevance of these considerations to other endangered fishes.
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5

Twibell, Ronald G., James M. Barron, and Ann L. Gannam. "Evaluation of Dietary Lipid Sources for the Juvenile Lost River Sucker." North American Journal of Aquaculture 78, no. 3 (June 15, 2016): 234–42. http://dx.doi.org/10.1080/15222055.2016.1167799.

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6

Burdick, Summer M., Heather A. Hendrixson, and Scott P. VanderKooi. "Age-0 Lost River Sucker and Shortnose Sucker Nearshore Habitat Use in Upper Klamath Lake, Oregon: A Patch Occupancy Approach." Transactions of the American Fisheries Society 137, no. 2 (February 2008): 417–30. http://dx.doi.org/10.1577/t07-072.1.

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7

Day, Julie L., Ron Barnes, Darrick Weissenfluh, J. Kirk Groves, and Kent Russell. "Successful Collection and Captive Rearing of Wild-Spawned Larval Klamath Suckers." Journal of Fish and Wildlife Management 12, no. 1 (December 7, 2020): 216–22. http://dx.doi.org/10.3996/jfwm-20-059.

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Abstract Shortnose Chasmistes brevirostris and Lost River Suckers Deltistes luxatus endemic to the Klamath River Basin on the California–Oregon border have experienced dramatic population declines in parallel with many other Catostomid species. Captive propagation has become a key element of many endangered fish recovery programs, although there is little evidence of their success in restoring or recovering fish populations. We initiated a novel rearing program for Klamath suckers in 2016 with the goal of developing a husbandry strategy that better balances the ecological, genetic, and demographic risks associated with captive propagation. We collected 4,306 wild-spawned Klamath sucker larvae from a major spawning tributary May–June 2016 and reared them at a geothermal facility established through a partnership with a local landowner and aquaculture expert. Mortality during collection was <1%. We reared larvae in glass aquaria for 17–78 d until they reached approximately 30 mm total length, upon which we moved them to round fiberglass tanks for 14–46 d or until reaching approximately 60 mm total length. Overall survival of larvae to ponding for final growout was 71%. Larval tank-rearing survival was 98% for 37 d until an isolated fish health incident affected three aquarium populations, reducing survival to transfer to 75%. Survival after transfer to round fiberglass tanks for 14–46 d was 94%. This study outlines the first successful collection and early life-history husbandry of wild-spawned endangered Klamath suckers that we are aware of.
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8

Cooperman, Michael, and Douglas F. Markle. "Rapid Out-Migration of Lost River and Shortnose Sucker Larvae from In-River Spawning Beds to In-Lake Rearing Grounds." Transactions of the American Fisheries Society 132, no. 6 (November 2003): 1138–53. http://dx.doi.org/10.1577/t02-130.

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9

Martin, Barbara A., and Michael K. Saiki. "Effects of Ambient Water Quality on the Endangered Lost River Sucker in Upper Klamath Lake, Oregon." Transactions of the American Fisheries Society 128, no. 5 (September 1999): 953–61. http://dx.doi.org/10.1577/1548-8659(1999)128<0953:eoawqo>2.0.co;2.

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10

Robertson, Laura S., Christopher A. Ottinger, Summer M. Burdick, and Scott P. VanderKooi. "Development of a quantitative assay to measure expression of transforming growth factor β (TGF-β) in Lost River sucker (Deltistes luxatus) and shortnose sucker (Chasmistes brevirostris) and evaluation of potential pitfalls in use with field-collected samples." Fish & Shellfish Immunology 32, no. 5 (May 2012): 890–98. http://dx.doi.org/10.1016/j.fsi.2012.02.017.

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Dissertations / Theses on the topic "Lost River sucker"

1

Logan, Daniel Joseph. "Age and growth of young-of-the-year Lost River suckers Deltistes luxatus and shortnose suckers Chasmistes brevirostris of Upper Klamath Lake, Oregon." Thesis, 1998. http://hdl.handle.net/1957/33592.

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Upper Klamath Lake in southern Oregon has two species of lacustrine suckers, Lost River sucker Deltistes luxatus and shortnose sucker Chasmistes brevirostris that were historically abundant. Results of surveys performed in the mid-1980's indicated that populations of both species were declining and ageing with apparent recruitment failure in most years since 1970. In 1988 both species were listed as endangered species and high priority has been placed on investigating recruitment of Upper Klamath Lake suckers. Lapilli are the preferred otolith for ageing suckers. Lapilli form predictably on the day of hatch, have the most conservative morphology of the three otoliths, and deposit easily discernable increments that begin on the day of hatch and proceed daily, and grow in a predictable relationship with somatic growth. Ages estimated by otolith analysis and resulting hatch dates of young-of-the-year Lost River sucker and shortnose sucker were consistent annually and consistent with reported spawning period for suckers from Upper Klamath Lake. Otolith increment analysis is necessarily lethal, whereas scale circuli analysis is not lethal. My findings suggest that scale circuli count is an inefficient estimator of daily Daily age estimates for age in young-of-the-year Lost River sucker and shortnose sucker. any given circuli count varied by approximately 51 days in Lost River sucker and 30 days Additionally, my results do not accurately predict the size or age at in shortnose sucker. which scales are formed, thereby invalidating an assumption of age and growth models. Consequently, scale circuli analysis cannot be used to produce accurate estimates of age or growth for young-of-the-year Lost River sucker and shortnose sucker. Lost River sucker and shortnose sucker achieve a relatively large size by the autumn of their first year, consistent with other members of Catostomidae. Interspecific difference in growth rates was evident in each year with Lost River sucker exhibiting faster growth than shortnose sucker in each year. Abundance of young-of-the-year suckers does not appear to be strongly correlated to somatic growth rate, though hatch date and environmental parameters are highly correlated with abundance. In both Lost River sucker and shortnose sucker, in years with the highest abundance (1991 and 1993), the mean hatch dates of surviving fish were later than in years with the lowest abundance. Also, young-of-the-year Lost River sucker and shortnose sucker experienced wide environmental fluctuations in Upper Klamath Lake as seasonal limnological and climatic variation create a dynamic habitat for young suckers. Water temperature, precipitation, air temperature, and minimum lake elevation are all strongly correlated to abundance of young-of-the-year suckers.
Graduation date: 1999
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Books on the topic "Lost River sucker"

1

Revised recovery plan for the Lost River Sucker (Deltistes luxatus) and Shortnose Sucker (Chasmistes brevirostris): Recovery plan, first revision. Sacramento, California: Pacific Southwest Region, U.S. Fish and Wildlife Service, 1993.

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2

Rolland, White, and U.S. Fish and Wildlife Service. Region 1, eds. Lost River (Deltistes luxatus) and Shortnose (Chasmistes brevirostris) sucker recovery plan. Portland, Or: The Region, 1993.

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3

Logan, Daniel Joseph. Age and growth of young-of-the-year Lost River suckers Deltistes luxatus and shortnose suckers Chasmistes brevirostris of Upper Klamath Lake, Oregon. 1998.

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4

Logan, Daniel Joseph. Age and growth of young-of-the-year Lost River suckers Deltistes luxatus and shortnose suckers Chasmistes brevirostris of Upper Klamath Lake, Oregon. 1998.

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Reports on the topic "Lost River sucker"

1

Erdman, Charles, Heather Hendrixson, and undefined. Larval Lost River and shortnose sucker response to wetland restoration. The Nature Conservancy, July 2009. http://dx.doi.org/10.3411/col.07291948.

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