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Flat Top Hill Ephemeral Wetlands
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Flat Top Hill Ephemeral Wetlands
Description: A series of small, ephemerally wet shallow depressions scattered over the plateau-like range crest. 90
Type/Class: Inland Saline 4
Size: 5.3 ha
Altitude: 500 - 560 m above sea level
Approximate location: 1.6 km east of the intersection of Fruitlands Roxburgh Road (SH8) and Symes Road, Fruitlands | NZTM (centre point): E1312390 N4973260
Regional Plan: Water for Otago | Schedule 9 Regionally Significant Wetland, no.44, Map F17
Territorial Authority: Clutha District Council
Interactive map
| Value | Description |
|---|---|
| A1 | Habitat for nationally or internationally rare or threatened species or communities. Habitat for Myosurus minimus subsp. novae-zelandiae (Nationally Critical), Crassula peduncularis (Nationally Critical), Myosotis brevis (Nationally Endangered). 90 |
| A5 | Scarce in Otago in terms of its ecological or physical character. Ephemeral wetland with indigenous vegetation. 90 |
| A2 - A4, A7, A8 | No relevant information is currently held by the ORC. |
- These wetlands support a flora of predominantly annual herbaceous plants in silty substrate overlying basement schist. 90
- Community composition varies between depressions but common native species include mousetail (Myosurus minimus subsp. novaezelandiae), Crassula multicaulis, Myosotis brevis, Crassula sinclairii and C. colligata. These species are often present in association with exotic herbs such as Sedum acre, sheep’s sorrel (Rumex acetosella), and whitlow grass (Erophila verna). 90
- The area occurs on Obelisk Pastoral Lease and is grazed by sheep. Continued sheep grazing is likely to be important in maintaining ephemeral wetland values through preventing the proliferation of taller-stature exotic grasses and weeds. 90
4 Peat, N. and Patrick, B. H. (1999) Wild Central. Discovering the natural history of Central Otago. Published by the University of Otago Press, Dunedin.
90 Department of Conservation (2010) Comments on the Consultative Draft Proposed Plan Change 2 (Regionally Significant Wetlands) to the Regional Plan: Water for Otago. Department of Conservation - Otago Conservancy, Dunedin.
