Integrated Catchment Management

Integrated Catchment Management for the Motueka River

"From ridge tops to the sea"

Welcome to the ICM Motueka Research Programme web site. Its purpose is to provide information resources relevant to project participants and to the stakeholders of the Motueka River catchment. The site is a collaborative venture between a number of organisations.

It was an 11 year programme which commenced in July 2000 and concluded in September 2011, and whose goal was to conduct multi-disciplinary, multi-stakeholder research to provide information and knowledge that will improve the management of land, freshwater, and near-coastal environments in catchments with multiple, interacting, and potentially conflicting land uses.

The site will continue to contain items relevant to ICM but is now largely a legacy site.

The Motueka River catchment is a Global HELP Catchment.

 

Research highlights - Where do trout go?

Three strands of research have been used to investigate fish movement patterns: radiotracking of adult trout, trace element analysis of trout otoliths, and PIT tagging of juvenile trout.

The radiotracking study showed that adult trout movements were closely related to flow and water temperature. Some fish moved substantial distances (>50 km) when flows were relatively high and temperatures relatively low, but as summer progressed movement was limited. In the smaller tributary streams, deep pools with good cover provided refuges for adult trout throughout the summer, and once residing in these pools the fish were reluctant (and possibly unable) to leave. A large (1–in&ndas...
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Radio tagging trout (Courtesy of Nelson Evening Mail)
Radio tagging trout (Courtesy of Nelson Evening Mail)

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Bank erosion – Motupiko River
Bank erosion – Motupiko River

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