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

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

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

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

Behavioral responses of Atlantic cod to sea temperature changes

Creator:: Freitas, Carla, Olsen, Esben Moland, Moland, Even, Ciannelli, Lorenzo, and Knutsen, Halvor
Abstract:: Understanding responses of marine species to temperature variability is essential to predict impacts of future climate change in the oceans. Most ectotherms are expected to adjust their behavior to avoid extreme temperatures and minimize acute changes in body temperature. However, measuring such behavioral plasticity in the wild is challenging. Combining...
Resource Type:: Article

Occurrence of demersal fishes in relation to near-bottom oxygen levels within the California Current large marine ecosystem

Creator:: Keller, Aimee A., Ciannelli, Lorenzo, Wakefield, W. Waldo, Simon, Victor, Barth, John A., and Pierce, Stephen D.
Abstract:: Various ocean-climate models driven by increased greenhouse gases and higher temperatures predict a decline in oceanic dissolved oxygen (DO) as a result of greater stratification, reduced ventilation below the thermocline, and decreased solubility at higher temperatures. Since spreading of low oxygen waters is underway and predicted to increase, understanding impacts...
Resource Type:: Article
Full Text:: marine ecosystem AIMEE A. KELLER,1,* LORENZO CIANNELLI,2 W. WALDOWAKEFIELD,3 VICTOR SIMON,1 JOHN A

Effects of seasonal and interannual variability in along-shelf and cross-shelf transport on groundfish recruitment in the eastern Bering Sea

Creator:: Vestfals, Cathleen D., Ciannelli, Lorenzo, Duffy-Anderson, Janet T., and Ladd, Carol
Abstract:: The Bering Sea responds rapidly to atmospheric perturbations and over the past several decades has experienced extreme variability in both its physical and biological characteristics. These changes can impact organisms that inhabit the region, particularly marine fishes, as normal current patterns to which reproductive habits are tuned can be disrupted,...
Resource Type:: Article
Full Text:: Cathleen D. Vestfals a,n, Lorenzo Ciannelli a,1, Janet T. Duffy-Anderson b,2, Carol Ladd c,3 a College of

ScholarsArchive@OSU

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

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

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)

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

Behavioral responses of Atlantic cod to sea temperature changes

Occurrence of demersal fishes in relation to near-bottom oxygen levels within the California Current large marine ecosystem

Effects of seasonal and interannual variability in along-shelf and cross-shelf transport on groundfish recruitment in the eastern Bering Sea

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