Survey to assess sediment levels near the end of the NZAS wharf using sediment core sampling and underwater video, and to collect and analyse sediment samples for a suite of potential chemical contaminants.

Temporal coverage: from 2004, last record 2009 (ongoing?)

Number of sites: 12 sites in 2004, 7 sites in 2009

Sampling frequency: 5 yearly

Main marine environment sampled: Coastal

Depth zone: Coastal

Sedimentary type: Soft-sediment

Community association: Mud/sand

Sampling method: Photographs, sediment cores

Parameters collected: Sediment chemistry,

photographic video survey, sediment levels

Measured variables: Photograph of seabed, water clarity, sediment grain-size, sediment organic content (AFDW), sediment metals (AL, As, Cd, Cr, Cu, Pb, Hg, Ni, Zn, TBT), sediment levels, video survey (sediment type, sediment accumulation, epifauna/epiflora).

Species/community data: Unknown

Other data collection: Unknown

Quality assurance: Yes