Navigation Aids (20)
| 5 Knot Buoy |
| IALA |
| Ski Lane Buoy |
| Other |
Bathymetry Contour Labels (0)
Bathymetry Contours (1m) (1)
Bathymetry Contours (10m) (2)
Bathymetry Contours (20m) (3)
Bathymetry Contours 2020 (22)
| 1m interval |
| Other interval |
Bathymetry Contours 2022 (23)
|
| 1m interval |
|
| Other interval |
Comparison - Havelock Channel 2022 vs 2020 (24)
| -2.5 to -2 |
| -2 to -1.5 |
| -1.5 to -1 |
| -1 to -0.5 |
| -0.5 to -0.25 |
| -0.25 to 0 |
| 0 to 0.25 |
| 0.25 to 0.5 |
| 0.5 to 1 |
| 1 to 1.5 |
| 1.5 to 2 |
| 2 to 2.5 |
Bathymetry - Havelock Channel 2020 (25)
| 0 - Low : -12 |
Bathymetry - Havelock Channel 2022 (26)
|
| High : 0 - Low : -10 |
Kelp Points (5)
Kelp Extent from Coastal Observations (6)
MEP - Ecologically Significant Marine Sites (8)
Tory Channel Survey 2017 Seagrass (9)
| Eelgrass Habitat South Eastern Tory Channel |
| Bryozoan, Sponge Hydroid Biogenic Habitats |
| Ngaruru Bay Subtidal Algae Beds |
Long Island Marine Reserve (10)
Subtidal rock outcrops (11)
Inshore Habitat Analysis (12)
| Covered by vegetation e.g. seagrass |
| Hard bottom |
| Unconsolidated sediment |
Solitary (13)
| Dominant |
| Minor |
| Dominant, diffuse |
| Minor, diffuse |
Field of Seeps (14)
| Dominant |
| Minor |
| Dominant, diffuse |
| Minor, diffuse |
Seepage Field (15)
| Dominant |
| Minor |
| Dominant, diffuse |
| Minor, diffuse |
Sediment Grainsize (16)
| |
| % Cobble |
| % Gravel |
| % Sand |
| % Silt |
| % Clay |
Seafloor Features (17)
| Rock outcrops |
| Small-scale depressions |
Seafloor Classification (18)
| Low reflectivity (mud) |
| Low - medium reflectivity (fine sand) |
| Medium - high reflectivity (medium sand) |
| High reflectivity (coarse sand, gravel) |
Multibeam Download (19)
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