State of the Bay 2006: Saldanha Bay and Langebaan Lagoon Technical Report Prepared by: L. Atkinson, K. Hutchings, B. Clark, J. Turpie, N. Steffani, T. Robinson & A. Duffell-Canham Prepared for: Saldanha Bay Water Quality Trust August 2006 Photograph by: Lyndon Metcalf Anchor Environmental Consultants CC STATE OF THE BAY 2006: SALDANHA BAY AND LANGEBAAN LAGOON TECHNICAL REPORT Prepared by: L. Atkinson, K. Hutchings, B. Clark, J. Turpie, N. Steffani, T. Robinson & A. Duffell-Canham AUGUST 2006 Prepared for: Copies of this report are available from: Anchor Environmental Consultants CC PO Box 34035, Rhodes Gift 7707 Tel/Fax: ++27-21-6853400 E-mail:
[email protected] http://www.uct.ac.za/depts/zoology/anchor TABLE OF CONTENTS EXECUTIVE SUMMARY...........................................................................................................................................5 1 INTRODUCTION............................................................................................................................................10 2 STRUCTURE OF THIS REPORT..................................................................................................................13 3 BACKGROUND TO ENVIRONMENTAL MONITORING ..............................................................................14 3.1 MECHANISMS FOR MONITORING CONTAMINANTS AND THEIR EFFECTS ON THE ENVIRONMENT........................14 4 RANKING SYSTEM.......................................................................................................................................17