Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 350438
Title Temporal and spatial variability in growth and condition of dab (Limanda limanda) and sprat (Sprattus sprattus) larvae in the Irish Sea
Author(s) Lee, O.; Danilowicz, B.S.; Dickey-Collas, M.
Source Fisheries Oceanography 15 (2006)6. - ISSN 1054-6006 - p. 490 - 507.
Department(s) IMARES
Publication type Refereed Article in a scientific journal
Publication year 2006
Keyword(s) marine fish larvae - tidal-mixing front - cod gadus-morhua - north-sea - otolith microstructure - phytoplankton production - pleuronectes-platessa - nutritional condition - juvenile fish - german bight
Abstract Variability in the high mortality rate during early life stages is considered to be one of the principal determinants of year-class variability in fish stocks. The influence of water column stability on the spatial distribution of fish larvae and their prey is widely acknowledged. Water column stability may also impact growth through the early life history of fishes, and consequently alter the probability of survival to maturity by limiting susceptibility to predation and starvation. As a test of this concept, the variability in condition and growth of dab (Limanda limanda) and sprat (Sprattus sprattus) larvae was investigated in relation to seasonal stratification of the water column in the north-western Irish Sea. RNA/DNA ratios and otolith microincrement analysis were used to estimate nutritional status and recent growth rates of larvae captured on four cruises in May and June of 1998 and 1999. Dab and sprat larvae were less abundant in 1999 and were in poorer condition with lower growth rates than in 1998. Dab larvae of
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