期刊
JOURNAL OF THE MARINE BIOLOGICAL ASSOCIATION OF THE UNITED KINGDOM
卷 90, 期 2, 页码 233-246出版社
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S0025315409990579
关键词
Cheloniidae; Chelonia mydas; growth; residency; health; tumours; fibropapillomatosis; TAMAR; Brazil
资金
- ArcelorMittal Tubarao Steel Company
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- Petrobras
This study, carried out from August 2000 to July 2006, began out of the recognition of a special ecological situation, when an aggregation of juvenile green turtles (Chelonia mydas) was found inside the effluent discharge channel of a steel plant located near Vitoria, the State of Espirito Santo capital, eastern Brazil. The green turtles were captured through either cast nets or a set net or by hand (one turtle was captured alive on one of the channel banks); after data collection, they were released back into the discharge channel. Information is here reported on the temporal pattern of occurrence, size-classes, residency, presence of tumours and growth rates of tumoured and non-tumoured green turtles in the study area. A total of 640 individual green turtles were captured in the six years; 448 of them were captured just once, and 192 were captured two or more times. Curved carapace length ranged between 25.2 and 77.5 cm. Among the captured green turtles, 59.1% were classified as being in normal body condition and without any tumours, 6.6% were either underweight or emaciated but without any tumours, and 34.4% had tumours, with different levels of the tumour severity score.
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