Index Catalog // ScholarsArchive@OSU

Landscape dynamics and resulting species interactions: the cod-capelin system in the southeastern Bering Sea

Creator:: Ciannelli, Lorenzo and Bailey, Kevin Mclean
Abstract:: Capelin are a major component of cod diet in many ecosystems of the North Atlantic. In the Bering Sea, however, the percentage of capelin found in Pacific cod stomachs is negligible. We hypothesize that the landscape (or ‘seascape’) features of hydrography and bathymetry of the Bering Sea impose a constraint...
Resource Type:: Article
Full Text:: southeastern Bering Sea Lorenzo Ciannelli1, 3,*, Kevin M. Bailey2 1University of Washington, Joint Institute

A simulation framework for evaluating multi-stage sampling designs in populations with spatially structured traits

Creator:: Puerta, Patricia, Ciannelli, Lorenzo, and Johnson, Bethany
Abstract:: Selecting an appropriate and efficient sampling strategy in biological surveys is a major concern in ecological research, particularly when the population abundance and individual traits of the sampled population are highly structured over space. Multi-stage sampling designs typically present sampling sites as primary units. However, to collect trait data, such...
Resource Type:: Article
Full Text:: . � Lorenzo Ciannelli conceived and designed the experiments, analyzed the data, authored or reviewed drafts

Non-additive and non-stationary properties in the spatial distribution of a large marine fish population

Creator:: Ciannelli, Lorenzo, Bartolino, Valerio, and Chan, Kung-Sik
Abstract:: Density-independent and density-dependent variables both affect the spatial distributions of species. However, their effects are often separately addressed using different analytical techniques. We apply a spatially explicit regression framework that incorporates localized, interactive and threshold effects of both density-independent (water temperature) and density-dependent (population abundance) variables, to study the spatial...
Resource Type:: Article

Ichthyoplankton distribution and abundance in relation to nearshore dissolved oxygen levels and other environmental variables within the Northern California Current System

Creator:: Johnson-Colegrove, Angela, Ciannelli, Lorenzo, and Brodeur, Richard D.
Abstract:: Nearshore hypoxia along the coast of Oregon and Washington is a seasonal phenomenon that has generated concern among scientists studying this temperate upwelling ecosystem. These waters are affected by coastal upwelling-induced hypoxia mainly during late summer and fall, but the effects of low oxygen levels on fish and invertebrate communities,...
Resource Type:: Article
Full Text:: ‐Colegrove, A., Ciannelli, L., & Brodeur, R. D. (2015). Ichthyoplankton distribution and abundance in

Using In Situ Video Analysis to Assess Juvenile Flatfish Behavior Along the Oregon Central Coast

Creator:: Stinton, Amy, Ciannelli, Lorenzo, Reese, Douglas C., and Wakefield, W. Waldo
Abstract:: We examined the feasibility of using a video beam trawl system to assess behavioral responses of juvenile flatfishes in relation to co-occurring habitat features, most notably dissolved oxygen (DO) concentrations. Sixteen samples were collected along a cross shelf transect in the central Oregon coast during summer 2008. We found that...
Resource Type:: Article
Full Text:: 47373 ph: (317) 238-0511 fax: (765) 789-6966 amy.stinton@bellaquaculture.com LORENZO CIANNELLI

Do walleye pollock exhibit flexibility in where or when they spawn based on variability in water temperature?

Creator:: Bacheler, Nathan M., Ciannelli, Lorenzo, Bailey, Kevin Mclean, and Bartolino, Valerio
Abstract:: Environmental variability is increasingly recognized as a primary determinant of year-class strength of marine fishes by directly or indirectly influencing egg and larval development, growth, and survival. Here we examined the role of annual water temperature variability in determining when and where walleye pollock (Theragra chalcogramma) spawn in the eastern...
Resource Type:: Article
Full Text:: M. Bacheler a,n, Lorenzo Ciannelli b, Kevin M. Bailey c, Valerio Bartolino d,e a Southeast

Ontogenetic patterns and temperature-dependent growth rates in early life stages of Pacific cod (Gadus macrocephalus)

Creator:: Hurst, Thomas P., Laurel, Benjamin J., and Ciannelli, Lorenzo
Abstract:: Pacific cod (Gadus macrocephalus) is an important component of fisheries and food webs in the North Pacific Ocean and Bering Sea. However, vital rates of early life stages of this species have yet to be described in detail. We determined the thermal sensitivity of growth rates of embryos, pref lexion...
Resource Type:: Article
Full Text:: . Hurst (contact author)1 Benjamin J. Laurel1 Lorenzo Ciannelli2 Email address for contact author

Ontogenetic patterns and temperature-dependent growth rates in early life stages of Pacific cod (Gadus macrocephalus)

Creator:: Hurst, Thomas P., Laurel, Benjamin J., and Ciannelli, Lorenzo
Abstract:: Pacific cod (Gadus macrocephalus)is an important component of fisheries and food webs in the North Pacific Ocean and Bering Sea. However, vital rates of early life stages of this species have yet to be described in detail. We determined the thermal sensitivity of growth rates of embryos, pref lexion and...
Resource Type:: Article
Full Text:: . Hurst (contact author)1 Benjamin J. Laurel1 Lorenzo Ciannelli2 Email address for contact author

Consequence of a superabundance of larval walleye pollock Theragra chalcogramma in the Gulf of Alaska in 1981

Creator:: Duffy-Anderson, J. T., Bailey, Kevin Mclean, and Ciannelli, Lorenzo
Abstract:: Abundances of larval walleye pollock in Shelikof Strait, Gulf of Alaska, in 1981 were far greater than any recorded estimates before that time or since (some patch estimates exceeded 100000 larvae per 10 m²). In spite of this extraordinary input, the ensuing 1981 year class was relatively poor. An examination...
Resource Type:: Article
Full Text:: Alaska in 1981 J. T. Duffy-Anderson*, K. M. Bailey, L. Ciannelli Alaska Fisheries Science Center

Distribution and abundance of juvenile demersal fishes in relation to summer hypoxia and other environmental variables in coastal Oregon, USA

Creator:: Sobocinski, Kathryn L., Ciannelli, Lorenzo, Wakefield, W. Waldo, Yergey, Matthew E., and Johnson-Colegrove, Angela
Abstract:: The juvenile demersal fish assemblage along the Pacific Northwest coast has received little attention relative to adult life history stages since pioneering work in the 1970s. Increasing severity of hypoxia along the Oregon coast in recent years has prompted investigations into the response of biota in this region. We used...
Resource Type:: Article

ScholarsArchive@OSU

Landscape dynamics and resulting species interactions: the cod-capelin system in the southeastern Bering Sea

A simulation framework for evaluating multi-stage sampling designs in populations with spatially structured traits

Non-additive and non-stationary properties in the spatial distribution of a large marine fish population

Ichthyoplankton distribution and abundance in relation to nearshore dissolved oxygen levels and other environmental variables within the Northern California Current System

Using In Situ Video Analysis to Assess Juvenile Flatfish Behavior Along the Oregon Central Coast

Do walleye pollock exhibit flexibility in where or when they spawn based on variability in water temperature?

Ontogenetic patterns and temperature-dependent growth rates in early life stages of Pacific cod (Gadus macrocephalus)

Ontogenetic patterns and temperature-dependent growth rates in early life stages of Pacific cod (Gadus macrocephalus)

Consequence of a superabundance of larval walleye pollock Theragra chalcogramma in the Gulf of Alaska in 1981

Distribution and abundance of juvenile demersal fishes in relation to summer hypoxia and other environmental variables in coastal Oregon, USA

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