Southern Clams
Clams

Resources

Research

2013 Ornithological Report

The initial intention of this survey was to monitor the species, number, distribution of and use by birds of two areas in Otago Harbour where harvesting of clams was to take place.

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2012 Ecosystem effect of clam harvest, Progress report

Impacts of commercial harvesting of clams is intended as a record of milestones reached to date, and constraining factors, limiting attaining the objectives set in the experimental design.

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2009 Ecosystem effect of clam harvest, Research Proposal

Since 1988 Southern Clams Ltd has maintained that the commercial harvest of clams, specifically from the middle banks of the Harbour, is a natural and sustainable use of the resource.

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2008 Ornithological Report Proposal

Overseas work, especially in the Wash in the UK and Wadden Zee in Holland has shown an adverse effect of harvesting on wading birds' food supplies.

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2008 - 2010 Ornithological Report

This survey was intended to monitor the species, number and distribution of birds over the two areas in Otago Harbour where preliminary harvesting of clams was to take place.

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2008-2010-Ornithological-Report-Summary

This report is a summary of the trial observations carried out to assess the effect of clam harvesting on the birds using the bank off Port Chalmers in Otago Harbour, known as area 1805.

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Resource Monitoring

2013 Ecosystem effect of clam harvest, Phase 2

This report describes the results of a survey of clam (cockle) biomass on beds in Otago Harbour, 2012.

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2012 Otago Harbour Bathymetric Survey

A bathymetric/topograhic survey of the two proposed clam harvest sites in Otago harbour between the 18th and the 21st of September 2012.

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2010 Ecosystem effect of clam harvest, Phase 1

Since 1988 Southern Clams Ltd (SCL) has maintained that the commercial harvest of clams, specifically from the middle banks of the Harbour, would be an acceptable and sustainable use of the resource.

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2009 Otago Harbour Bathymetric Survey

Acting on instruction of Roger Belton of Southern Clams ltd. I carried out a bathymetrics/topographic survey of the two proposed clam harvest sites in Otago between the 24th and the 29th of August 2009.

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2008 Harbour Clam Baseline, Resource and Habitat Survey

This is a draft report describing the results of a survey of clam (cockle) biomass and community structure on beds in Otago Harbour, 2008.

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