John McGlashan College pupils (from left) James Phizacklea
(10) William Archer (11) and Ryan Neill (10) work together to
take a water sample at the Kaikorai estuary in Dunedin this
week.
Assisted by the Otago Regional Council, the Department of
Conservation and the Dunedin Environment Centre, the boys
were among about 50 pupils from local schools who tested
water quality, carried out a habitat survey and investigated
what creatures could live in Kaikorai estuary and stream.
Dunedin Environment Centre co-ordinator Joseph Dougherty said
the estuary's water quality had improved markedly since
environmental laws tightened in the 1990s.
Twenty-three bird species could be found at the estuary,
compared to just four in 1993.
Fish life had also improved.
The Kaikorai estuary and stream's importance as a living
ecosystem was often overlooked, he said.
Otago Waste Services gave the schools access to the estuary.
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