Low diversity of helminth parasites in Sardina pilchardus and Engraulis encrasicolus (Clupeidae) from the Bay of Biscay
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Biochemical composition and somatic growth of pelagic larvae of three fish species from the Bay of Biscay
The growth strategies of pelagic larvae of 3 fish species from the Bay of Biscay belonging to 2 different shape groups, the eel-like anchovy Engraulis encrasicolus and sardine Sardina pilchardus, and the tadpole-like horse mackerel Trachurus trachurus, are compared in terms of changes in their biochemical composition and energy allocation. In anchovy and sardine, the relative amount of protein ...
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The extraction of highly discriminant features is crucial for successful species identification of fish shoals if backscattered narrowband signals do indeed contain discriminant information. Four different methods of feature extraction are described and applied to the same data, providing new descriptors expected to improve species identification. Echograms, amplitude probability density functi...
متن کاملEnergy density of anchovy Engraulis encrasicolus in the Bay of Biscay.
The energy density (E(D)) of anchovy Engraulis encrasicolus in the Bay of Biscay was determined by direct calorimetry and its evolution with size, age and season was investigated. The water content and energy density varied seasonally following opposite trends. The E(D) g(-1) of wet mass (M(W)) was highest at the end of the feeding season (autumn: c. 8 kJ g(-1)M(W)) and lowest in late winter (c...
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The sardine (Sardina pilchardus) is the most popular species for fishing of the Algerian coast. Five toxic metals zinc (Zn), cadmium (Cd), copper (Cu), lead (Pb), and iron (Fe) that can affect human health are studied in this fish. Samples are collected monthly between January and December 2019 in the Ghazaouet bay. The collected samples were analyzed by atomic absorption spectrophotometry by s...
متن کاملComposition and diversity of ichthyoplankton in the Boka Kotorska Bay (South Adriatic Sea)
Variation in the diversity of ichthyoplankton was analyzed from samples collected during threeyear cycle in Boka Kotorska Bay. Samples were collected using Calvet (modified PairOVET) plankton net at 18 stations, from July 2006 through January 2009. Families with most numerous species were Engraulidae, Sparidae and Labridae. Investigation shows dominance of anchovy (Engraulis encrasicolus), Medi...
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تاریخ انتشار 2017