Results 171 to 180 of about 1,531 (216)
Food Hydrocolloids, 2012 The effects of concentration, pH value and ionic strength on the kinetic self-assembly of acid-soluble collagen from walleye pollock (Theragra chalcogramma) skin were investigated.
Xue Zhao, Song Qin
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Hearing Sensitivity of the Walleye Pollock
Transactions of the American Fisheries Society, 2009AbstractThe hearing abilities of three age‐groups (which correspond to size‐classes) of walleye pollock Theragra chalcogramma were determined from auditory evoked potentials. Walleye pollock had the best hearing sensitivity from 100 to 200 Hz, with thresholds around 75 dB re: 1 μPa.
David A. Mann +3 more
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Pollock and “the Blob”: Impacts of a marine heatwave on walleye pollock early life stages
Fisheries Oceanography, 2020AbstractThe North Pacific marine heatwave of 2014–2016 (nicknamed “The Blob”) impacted marine ecosystems from California to Alaska, USA, with cascading effects on fisheries and fishing communities. We investigated the effects of this anomalous ocean warming on early life stages of walleye pollock (Gadus chalcogrammus) in the Gulf of Alaska.
Lauren A. Rogers +4 more
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Corroborating the ages of walleye pollock (Theragra chalcogramma)
Marine and Freshwater Research, 2006Fish ageing researchers have long recognised the importance of validating age-reading methodologies. The strongest age validations require the acquisition of ageing structures from fish of known-ages, or specimens whose ages are appropriate for bomb carbon validation.
Daniel K. Kimura +4 more
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Food Chemistry, 2010 The aim of this paper was to investigate the critical aggregation concentration and aggregation number of acid-soluble collagen from walleye pollock (Theragra chalcogramma) skin using the fluorescence probe pyrene.
Xue Zhao
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Development and application of a bioenergetics model for juvenile walleye Pollock
Journal of Fish Biology, 1998A bioenergetics model was parameterized for age‐0 walleye pollock, Theragra chalcogramma, based on a synthesis of literature data. The sensitivity of the new parameters was tested by individual parameter perturbation (IPP) analysis. The model was applied to estimate individual and total cohort food consumption of age‐0 pollock in two areas of high ...
L. Ciannelli +2 more
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Stock assessment and management for walleye pollock in Japan
Fisheries Science, 2014We review the stock assessment strategies and management procedures for walleye pollock Theragra chalcogramma in Japan. In Japan, walleye pollock is classified into 4 stocks. Because biological data, fishing conditions, etc. are different for each stock, the stocks are assessed by different methods.
Ken Mori, Yoshiaki Hiyama
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Walleye pollock: global overview
Fisheries Science, 2014Walleye pollock is the second most extensively fished species in the world. The major fishing grounds include the Bering and Okhotsk Seas. Large-scale fishing started in the 1960s and continues to date with average annual landings over this 50-year period of 1.5 million tons.
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Classification of Ovarian Stages of Walleye Pollock (Theragra chalcogramma)
Resiliency of Gadid Stocks to Fishing and Climate Change, 2008Walleye pollock, Theragra chalcogramma, is the most commercially important species in the eastern Bering Sea. Estimates of maturity are critical for setting an appropriate harvest rate for pollock spawning biomass, and correct classification of ovaries into a maturity condition is necessary for accurate estimation of maturity.
Jennifer Stahl, Gordon Kruse
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Atresia of developing Oocytes in walleye pollock Theragra chalcogramma
Journal of Ichthyology, 2015The present study describes the process and characteristic features of oocyte resorption throughout its developmental stages in T. chalcogramma (Pallas, 1814). Histological methods revealed two major resorption pathways: follicular and follicular-histiocytic atresia.
A. M. Privalikhin +2 more
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