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Start Over Author "David Valença Dantas" Topic estuarine fish
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1. Total mercury in the fish Trichiurus lepturus from a tropical estuary in relation to length, weight, and season

Author

Scheyla C. T Barbosa, Monica F Costa, Mário Barletta, David Valença Dantas, Helena A Kehrig, and Olaf Malm

Subjects
Estuarine fish, Mercury bioavailability, Risk assessment, Seasonal changes, Trichiuridae, Zoology, QL1-991
Abstract

The Goiana River Estuary (7º30'S 34º47'W) is a typical estuary of the semi-arid tropical regions. This estuary shelters a rich fauna of fish, crustaceans and mollusks which play an important role in the life of traditional populations. It is also the main recipient of the effluents from the sugarcane agro-industry and sewage from settlements and villages. Trichiurus lepturus (n = 104), from the Goiana Estuary were examined for total mercury contents during ten months (2005 to 2007) spaning two dry seasons and part of a rainy season. The studied individuals showed weight (W) (204.1±97.9 g) and total length (TL) (63.1±10.1 cm, range 29.5-89.0 cm) with a significant (p

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