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Title: Do fish predators in the North Sea live beyond their means: Is prey production sufficient to meet consumption?
Author: Fraser, Helen M.
Awarding Body: University of Aberdeen
Current Institution: University of Aberdeen
Date of Award: 2008
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The ICES International Bottom Trawl Survey (IBTS) quarter 3 (Q3) data, Dutch Beam Trawl Survey (BTS) Q3 data, and ICES stock assessment data were analysed to model the catchability of each 1-cm size class of demersal fish caught in the Q3 IBTS. Estimates of catchability were generally low, suggesting that raw trawl survey density data seriously underestimated actual densities.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available
Keywords: Demersal fish