Monitoring of the Picton Outfall to meet consent conditions.

Temporal coverage: 1991-2008 (on-going)

Number of sites: 1991: 3 sites + cntrl 1993: 12 sites 2000/2002: 4 sites + cntrl 2001-2004: 5 sites 2008: 4sites+cntrl Kaipupu Point, Picton Harbour

Sampling Frequency: 1991/1993: survey 2000: benthic surveys 2001-2008 sampling

Main marine environment sampled: Coastal (Sounds)

Depth zone: Intertidal and subtidal

Sediment type: Soft

Community association: Mud

Sampling method: Sediment and macrofaunal cores, field observations

Parameters collected: Sediment, in- & epi-fauna, shellfish, water

Measured variables: Community: in- & epi-fauna community composition, intertidal survey; Shellfish: bacteriological analysis, faecal coliforms, metals; Sediment: organic content, metals, particle size, TKN, TOC, TN, isotope analyses (C & N); Water quality: bacteriological analysis

Species/Community data: Benthic invertebrates

Other data collected: 1991/1993: survey of the environmental effects of the discharge of raw sewerage. 2000/2002: survey after plant upgrade. 2001-2008: annual reports have water/shellfish quality. 2008 study was done to assess discharge options. A bacteriological water study was also done in 1988.

Collection: ongoing

Quality assurance: Yes