Special Investigations
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Caseys Creek – Baseline Water and Sediment Quality 2017
A number of streams flow through Blenheim, many of them spring-fed with naturally very clear water.
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Ecology of Small Streams in the Marlborough Sounds 2003
Streams in the Marlborough Sounds mostly drain small, steep catchments
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Ecology of Spring Creek - Awarua 2000
Spring Creek is a highly valued, picturesque waterway, but in recent years, concerns have been raised over changes in the water quality.
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Ecology of spring-fed streams on the Wairau Plain 2002
The freshwater springs of the Wairau Plain constitute an important aesthetic and cultural resource for the local community.
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Impact of Stormwater on the water quality of Blenheim's waterways 2016
Blenheim is the largest urban area in the Marlborough region.
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Lake Elterwater Discussion Document 2017
Lake Elterwater is situated about 35km south east of Blenheim, adjacent to State Highway One.
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Marlborough surface water allocation status 2012
Surface water is an instantaneous resource, here today, and gone tomorrow.
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Omaka River Plot Study for Periphyton Monitoring 2019
The community of algae and bacteria growing on stream and river beds is referred to as periphyton.
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Potential Effects of Infiltration Galleries on the Awatere River 2016
The Awatere River has a naturally elevated turbidity for much of the year due to fine suspended sediments, mainly derived from the highly erodible underlying geology of the mid-catchment.
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Rai Catchment Management Plan 2011
This page contains information on water quality in the Rai River and its tributaries.
