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Rockdale Inland Saline Wetland Management Area
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Rockdale Inland Saline Wetland Management Area
Description: Small saline site adjacent to Chatto Creek-Omakau Road 1
Type/Class: Inland saline 2
Size: 2.7 ha
Altitude: 240 - 280 m above sea level
Approximate location: 1.5 km Northeast of the intersection of Omakau-Chatto Creek Road and Kinney Road, Omakau | NZTM (centre point): E1326500 N4997060
Regional Plan: Water for Otago | Schedule 9 Regionally Significant Wetland, no.130, Map F11
Territorial Authority: Central Otago District Council
| Value | Description |
|---|---|
| A5 | Scarce in Otago in terms of its ecological or physical character. Scarce wetland type. Many uncommon salt tolerant plants and insects. (see Grove 1994, p65 86). 1 Less than 18% of inland saline areas remain in Otago. 2 |
| A1 - A3, A6 - A9 | No relevant information is currently held by the ORC. |
Other Information:
- Listed as an Area of Significant Indigenous Vegetation, Habitats of Indigenous Fauna and Wetlands in the Central Otago District Plan. 55
- Soil classified as Alkaline Argillic Semiarid Soil. 8
- Native halophytes presence include Atriplex buchananii (threat status of naturally uncommon), and Lepidium kirkii and New Zealand mousetail (Myosurus minimus subsp. novae-zelandiae) which both have a threat status of nationally critical. 8
- Invertebrate species recorded include Eurythecta zelaea, Orocrambus corruptus and Paranotoreas fulva. 8
- The Department of Conservation considers the Rockdale Inland Saline Wetland Management Area to be an important site for biological conservation. On a scale from 1 (highest value) to 11 (lowest value) the site was given a rank of 4, on the basis of its geographical extent, relative representativeness (the extent to which the site represents the assumed 1840 condition), diversity and rarity of biota and soils. 8
- Potential threats include irrigation, cultivation, fertiliser application, oversowing and grazing. 8
References:
1 Otago Regional Council (2004) Regional Plan: Water for Otago. Published by the Otago Regional Council, Dunedin.
2 Ausseil, A.G., Newsome, P., Johnson, P. (2008) Wetland Mapping in the Otago Region. Landcare Research Contract Report prepared for the Otago Regional Council.
8 Allen, R.B. and McIntosh, P.D. (1997) Guidelines for conservation of salt pans in Central Otago. Science for Conservation: 49. Published by the Department of Conservation, Wellington.
55 Central Otago District Council (2008) Central Otago District Plan, Published by Central Otago District Council, Alexandra.
