Water clarity is assessed with a 1 m long acrylic tube.
An industrial purple dye spill devastated the Oruarangi Stream ecosystem in 2013. It’s hard to believe such an event could ...
New Zealand has 425,000 kilometres of rivers and streams to look after. Catchment groups are being formed around the country ...
E 425,000 kiromata te roa o ngā awa me ngā kōawa i Aotearoa hei tiaki mā tātou. E whakatūria ana ...
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