Habitat Use and Movements of Pallid and Shovelnose Sturgeon in the Yellowstone and Missouri Rivers in Montana and North Dakota

Bramblett, Robert G.; White, Robert G.

doi:10.1577/1548-8659(2001)130<1006:huamop>2.0.co;2

Cited by 112 publications

(227 citation statements)

References 25 publications

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“…Much like results found in other studies (Bramblett and White 2001;Snook et al 2002), habitats may be selected by pallid sturgeon to maximize forage opportunities. These habitats should be given consideration for any future projects aimed at creating pallid sturgeon habitat because they may be necessary for the recovery of this species.…”

Section: Discussionsupporting

confidence: 67%

“…These areas would seem to be preferred by middle Mississippi River pallid sturgeon and may represent important pallid sturgeon habitat. Bramblett and White (2001) found that pallid sturgeon were more often located in reaches with diverse habitats, channels, and islands rather than single, uniform channels.…”

Section: Discussionmentioning

confidence: 99%

“…Although this is not a common habitat, the radiotagged fish did seem to positively select this area. Bramblett and White (2001) found that pallid sturgeon in the upper Missouri and lower Yellowstone rivers preferred reaches with a high density of islands and suggested these reaches provided better availability of prey fishes and invertebrates. Snook et al (2002) found pallid sturgeon to be associated with the sharp change in depths and transition areas between the downstream edges of sandbars and the main channel of the Platte River.…”

Section: Discussionmentioning

confidence: 99%

“…Little is known about the microhabitat needs of pallid sturgeon and almost no quantitative data are available on its habitat use (Bramblett and White 2001). Bramblett and White (2001) identified individual home ranges for pallid sturgeon of up to 250 km.…”

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confidence: 99%

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Habitat Use by Middle Mississippi River Pallid Sturgeon

et al. 2004

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Little is known about the habitat preferences and needs of pallid sturgeon Scaphirhynchus albus, which was federally listed as endangered in 1990. To learn more about habitat use and selection by pallid sturgeon, sonic transmitters were surgically implanted in 27 individuals from the middle Mississippi River. Study fish were located 184 times (1–23 times/individual) from November 1995 to December 1999. Of the seven macrohabitats identified, pallid sturgeon were found most often in main‐channel habitats (39% of all relocations) and main‐channel border habitats (26%); the between‐wing‐dam habitats were used less often (14%). Strauss's linear selectivity index (Li) values indicated that study fish exhibited positive selection for the main‐channel border, downstream island tips, between‐wing‐dam, and wing‐dam‐tip habitats; they showed negative selection for main‐channel, downstream of wing dams, and upstream of wing dam habitats. Comparison of Li values for four temperature ranges and three daily mean discharge ranges revealed little change in habitat selection due to temperature or discharge. Habitat use patterns also were similar across seasons and discharge regimes, except during spring months when between‐wing‐dam habitats saw greater use and main‐channel and main‐channel border habitat use declined. These changes may have been a response to high river stages associated with spring flooding, which may create favorable feeding areas in the between‐wing‐dam habitats. Enhancement and restoration of habitat diversity, particularly downstream island tip and between‐wing‐dam habitats, may be necessary for the recovery of pallid sturgeon in the middle Mississippi River.

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Section: Discussionsupporting

confidence: 67%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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confidence: 99%

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Habitat Use by Middle Mississippi River Pallid Sturgeon

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“…Over the last two decades , pallid sturgeon in this section of the Upper Missouri River Basin have been the focus of several studies examining movements, migrations, and habitat use (for example, Bramblett and White, 2001;Fuller and others, 2008;Fuller and Braaten, 2012).…”

Section: Field-based Biotic Assessments Of Factors Affecting Migratiomentioning

confidence: 99%

Ecological requirements for pallid sturgeon reproduction and recruitment in the Missouri River—Annual report 2014

DeLonay¹,

Chojnacki²,

Jacobson³

et al. 2016

Open-File Report

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For more information on the USGS-the Federal source for science about the Earth, its natural and living resources, natural hazards, and the environment-visit http://www.usgs.gov/ or call 1-888-ASK-USGS.For an overview of USGS information products, including maps, imagery, and publications, visit http://www.usgs.gov/pubprod/.Any use of trade, firm, or product names is for descriptive purposes only and does not imply endorsement by the U.S. Government.Although this information product, for the most part, is in the public domain, it also may contain copyrighted materials as noted in the text. Permission to reproduce copyrighted items must be secured from the copyright owner. AbstractThe Comprehensive Sturgeon Research Project is a multiyear, multiagency collaborative research framework developed to provide information to support pallid sturgeon recovery and Missouri River management decisions. The project strategy integrates field and laboratory studies of sturgeon reproductive ecology, early life history, habitat requirements, and physiology. The project scope of work is developed annually with collaborating research partners and in cooperation with the U.S. Army Corps of Engineers, Missouri River Recovery Program-Integrated Science Program. The project research consists of several interdependent and complementary tasks that involve multiple disciplines.The project research tasks in the 2014 scope of work emphasized understanding of reproductive migrations and spawning of adult pallid sturgeon and hatch and drift of larvae. These tasks were addressed in three hydrologically and geomorphologically distinct parts of the Missouri River Basin: the Lower Missouri River downstream from Gavins Point Dam, the Upper Missouri River downstream from Fort Peck Dam and downstream reaches of the Milk River, and the Lower Yellowstone River. The project research is designed to inform management decisions related to channel re-engineering, flow modification, and pallid sturgeon population augmentation on the Missouri River and throughout the range of the species. Research and progress made through this project are reported to the U.S. Army Corps of Engineers annually. This annual report details the research effort and progress made by the Comprehensive Sturgeon Research Project during 2014.

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Divergent density feedback control of migratory predator recovery following sex‐biased perturbations

Goto

Hamel

Pegg

et al. 2020

Ecology and Evolution

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Uncertainty in risks posed by emerging stressors such as synthetic hormones impedes conservation efforts for threatened vertebrate populations. Synthetic hormones often induce sex-biased perturbations in exposed animals by disrupting gonad development and early life-history stage transitions, potentially diminishing per capita reproductive output of depleted populations and, in turn, being manifest as Allee effects. We use a spatially explicit biophysical model to evaluate how sexbiased perturbation in life-history traits of individuals (maternal investment in egg production and male-skewed sex allocation in offspring) modulates density feedback control of year-class strength and recovery trajectories of a long-lived, migratory fish-shovelnose sturgeon (Scaphirhynchus platorynchus)-under spatially and temporally dynamic synthetic androgen exposure and habitat conditions. Simulations show that reduced efficiency of maternal investment in gonad development prolonged maturation time, increased the probability of skipped spawning, and, in turn, shrunk spawner abundance, weakening year-class strength. However, positive density feedback disappeared (no Allee effect) once the exposure ceased. By contrast, responses to the demographic perturbation manifested as strong positive density feedback; an abrupt shift in year-class strength and spawner abundance followed after more than two decades owing to persistent negative population growth (a strong Allee effect), reaching an alternative state without any sign of recovery. When combined with the energetic perturbation, positive density feedback of the demographic perturbation was dampened as extended maturation time reduced the frequency of producing male-biased offspring, allowing the population to maintain positive growth rate (a weak Allee effect) and gradually recover. The emergent patterns in long-term population projections illustrate that sex-biased perturbation in life-history traits can interactively regulate the strength of density feedback in depleted populations such as Scaphirhynchus sturgeon to further diminish reproductive capacity and abundance, posing increasingly greater conservation challenges in chemically altered riverscapes. | 3955 GOTO eT al. S U PP O RTI N G I N FO R M ATI O N Additional supporting information may be found online in the Supporting Information section. How to cite this article: Goto D, Hamel MJ, Pegg MA, Hammen JJ, Rugg ML, Forbes VE. Divergent density feedback control of migratory predator recovery following sex-biased perturbations. Ecol Evol.

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Habitat Use and Movements of Pallid and Shovelnose Sturgeon in the Yellowstone and Missouri Rivers in Montana and North Dakota

Cited by 112 publications

References 25 publications

Habitat Use by Middle Mississippi River Pallid Sturgeon

Habitat Use by Middle Mississippi River Pallid Sturgeon

Ecological requirements for pallid sturgeon reproduction and recruitment in the Missouri River—Annual report 2014

Divergent density feedback control of migratory predator recovery following sex‐biased perturbations

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