Investigation of Hg Content by a Rapid Analytical Technique in Mediterranean Pelagic Fishes
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چکیده
منابع مشابه
A New Muscle Biopsy Technique for Sex and Sexual Maturity Determination in Large Pelagic Fishes
In many fisheries, fish are either landed already gutted or the value of the flesh prohibits ventral opening and the determination of sex and sexual maturation. The objective of the present study was to provide new molecular endocrinological techniques to make this possible in order to assist stock assessment and management. A muscle biopsy punch which can be used in the field or at the market ...
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We examined the relationship between pelagic larval duration (PLD)—a predictor of a species’ dispersal potential—and the geographic distribution range of 62 Mediterranean littoral fishes. We found a significant, positive, weak relationship between PLD and distribution range. This relationship was observed in species with long PLDs that can cross the few dispersal barriers (Macaronesian Islands)...
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In the sea, visual scenes change dramatically with depth. At shallow and moderate depths (<1,000 m), there is enough light for animals to see the surfaces and shapes of prey, predators, and conspecifics. This changes below 1,000 m, where no downwelling daylight remains and the only source of light is bioluminescence. These different visual scenes require different visual adaptations and eye mor...
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Modelling Seasonal Distribution of Pelagic Marine Fishes
The distribution of pelagic marine fishes and invertebrates varies seasonally. However, information on the seasonal variation of the distribution of most pelagic marine fishes and invertebrates is scarce. In this paper, seasonal changes in distribution ranges of commercially exploited pelagic fishes and invertebrates are predicted based on the existing Sea Around Us Project distribution, a pred...
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ژورنال
عنوان ژورنال: Separations
سال: 2018
ISSN: 2297-8739
DOI: 10.3390/separations5040051