Waikato Coastal Database
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Ship hulls as artificial reefs, Hahei

1. Identification information

Status
Complete
Data Collection Date
Summary
Benthic dive survey Purpose: Ecological assessment of placement of hull wreck north of Hahei marine reserve boundary.
Content
Species presence in benthic samples.
Study Types
  • Inventory/Survey
Categories
  • Consents and Structures
  • Marine Protection
  • Consents and Structures
  • Benthic Communities (including shellfish)

2. Contact information

Commissioning Agencies
  • In Tandem Maritime Enhancement
Contact Organisations
  • In Tandem Maritime Enhancement

3. Spatial information

Geographic Coverage
Site just north of Hahei Marine Reserve (map provided in report.
Grid Coordinates
Benthic sampling sites: Lat 36 49.29S Long 175 48.57E Lat 36 49.23S Long 175 48.59E
Locations
  • Name
    Hahei
    NZMG Easting
    2761014
    NZMG Northing
    6482748
    Location
    Mercury Bay to Tairua Harbour (including Tairua Ocean Beach)
    East Coast
  • Name
    Hahei #2
    NZMG Easting
    2761047
    NZMG Northing
    6482857
    Location
    Mercury Bay to Tairua Harbour (including Tairua Ocean Beach)
    East Coast

4. Data acquisition information

Collection Date
22 August 1998.
Methodology
Site 1: 4 samples of 0.05sq.m to a depth of 50mm, and passed over a 2mm sieve. Site 2: site dug and wafted by hand to 25cm looking for deep-burrowing organisms. Both sites: swim-over to note fauna and sediment characteristics. Frequency of collection: Once only

5. Data quality information

Known Limitations
Not reported Gaps in collection: Not reported Data quality: Not reported Attribute accuracy: Not reported Completeness: Not reported

6. Distribution information

Format
report Digital Format: MS Word, MS Excel
Applications
Availability
Contact In Tandem Maritime Enhancement Sensitivity/Confidentiality: Contact In Tandem Maritime Enhancement

7. Status information

Data Status
Completed

8. Metadata information

General Notes
DoC WCO – file COA 041 vol2 Additional comments: This assessment accompanied a resource consent application to Environment Waikato, 1998
Related Links
Publications
  • Grace, R. 1998: Ecological assessment of a proposal to use ship hulks as an artificial reef complex off Hahei, Mercury Bay. Consultant report for In Tandem Maritime Enhancement.
Related Publications
  • Grace, R.V., 1983: Zonation of sublittoral rocky bottom marine life and its changes from the outer to the inner Hauraki Gulf, north-eastern New Zealand. Tane 29: 97-108.
Related Datasets

9. Related files

No files have been attached to this dataset

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