Utilização Do Modelo Servperf Para Avaliação Da Qualidade No Transporte Público Urbano Em Uma Cidade No Interior Do Estado Do Rio De Janeiro

Costa, Dassayevy Fernandes Da; Barros, Marta; Oliveira, Altina Silva

doi:10.14488/enegep2018_tn_sto_259_491_35453

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2023

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“…1). Although the mean depth is only 5.7m, along the main channel, which follows the central S-N axis of the bay, depths reach an average of 20m (Costa, 1998). The bay possesses some features of an estuarine system.…”

Section: Methodsmentioning

confidence: 99%

A note on site fidelity of marine tucuxis (Sotalia fluviatilis) in Guanabara Bay, southeastern Brazil

Azevedo¹,

Lailson‐Brito²,

Cunha³

et al. 2023

JCRM

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Since 1995, photo-identification techniques have been used to study the marine tucuxis (Sotalia fluviatilis) found in Guanabara Bay (22°50’S, 43°10’W), southeastern Brazil. The bay is surrounded by a metropolitan complex and is the most degraded area of this species’ distribution. From May 1995 to June 2003, 47 photo-identification boat surveys were conducted in the bay. Sixty-nine individuals were identified and catalogued. The results indicate that individual tucuxis have high site fidelity in Guanabara Bay. On average, dolphins were seen for 4.5 consecutive years, with a range of 1 to 8 years. Additionally, calves have remained in the area beyond sexual maturity. Guanabara Bay provides food and breeding grounds for this dolphin population, despite its high degree of degradation. The fact that such a small dolphin population, composed of resident individuals, depends on such a degraded area may pose serious problems for its conservation.

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Section: Methodsmentioning

confidence: 99%