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When you want to go fishing and can't, |
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TROUT FISHING WITH MAURICE RODWAY - Weekly Column: November 9, 2001 |
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High Country Angling Rivers become muddied when their flow is swollen after rain because the faster flows can resuspend fine sediment that lies on the
bed in normal flows. Along a river's journey to the sea the slope of its bed decreases so more fine sediment is deposited on its bed. This provides a larger reservoir of silt for
resuspension and hence dirtier water occurs during high flows. Added to this is sediment carried from the land by rainwater. Agricultural and urban areas have more bare soil
exposed so increased sediment is carried from these areas to rivers too. Good land management practises that minimise the amount of bare soil will reduce the loss of fine
sediment to rivers. However there are many sources of sediment, from gravel roads to heavily grazed riparian zones, so reducing the loss of fine sediment is a formidable task.
Of all industries forestry companies minimise sediment runoff the best. Farmers who fence streams and keep soil disturbance to a minimum are doing a lot better than others
such as the owners of city developments who leave large areas of bare soil exposed to the elements. Southland anglers want to fish close to home but after rainfall patience is required to let
the sediment settle and rivers become clean again. In the meantime a trip to the mountains offers more certainty of clear water and more exotic locations to fish in.
Camping beside one of these rivers is an adventure in itself. The early mornings and the time just before nightfall are like precious treasures that can only be held for a moment
before they have to be passed on. You cannot keep hold of them, but the memory of them fuels the imagination forever. Maurice Rodway
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Frontier Fishing Gazette has been published |
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Introduction | Main Pool | Rules | Bliss in Te Anau | Southland Angling Bible |
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Trout Encounters | River Descriptions | Fishing in Southland | Ring-A-River | Salmon Days |
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First Publication: 29 September 1996, Updated 01-Mar-03. |
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Frontier Fishing is a South Island, NZ-based, owned and operated enterprise. |
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