This study took place in the terminal part of the
effluent canal of a steel mill located in the greater
Vitória region, Espírito Santo (ES), on the southeastern
coast of Brazil (20° 16’ 06” S, 40° 3’ 35” W). The
canal is 500 m by 33 m wide, with an average depth
of 2 m. The effluent is largely from seawater, collected
about 1 km north from the site of the study,
with a flux of approximately 28 000 to 32 000 m3 h−1,
and it is used for cooling the factory, after which it is
returned to the sea at a temperature of 8.75 ± 1.15°C
above the seawater temperature, according to the
mill records. About 5% of the water is collected from
rivers, which also receive treated sewage water from
domestic and industrial sources (Torezani et al.
2010). The high temperature of the water and the
abundance of organic material possibly favor the
growth of algae, prompting turtles to come into the
canal in great numbers to feed, thereby facilitating
their capture and study
This study took place in the terminal part of theeffluent canal of a steel mill located in the greaterVitória region, Espírito Santo (ES), on the southeasterncoast of Brazil (20° 16’ 06” S, 40° 3’ 35” W). Thecanal is 500 m by 33 m wide, with an average depthof 2 m. The effluent is largely from seawater, collectedabout 1 km north from the site of the study,with a flux of approximately 28 000 to 32 000 m3 h−1,and it is used for cooling the factory, after which it isreturned to the sea at a temperature of 8.75 ± 1.15°Cabove the seawater temperature, according to themill records. About 5% of the water is collected fromrivers, which also receive treated sewage water fromdomestic and industrial sources (Torezani et al.2010). The high temperature of the water and theabundance of organic material possibly favor thegrowth of algae, prompting turtles to come into thecanal in great numbers to feed, thereby facilitatingtheir capture and study
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