07/2555 - Operational Works - Drainage Stormwater Vegetation [As Published] · 142007.2555

Attunga Heights Rehabilitation Specification 7

5.0 REHABILITATION ZONES

 

Six (6) broad rehabilitation zones (Figure 1) have been identified. Given ecological boundaries
are rarely fixed, rehabilitation zones have been defined without hard edges. The flexibility will
allow the rehabilitation contractor greater opportunities to manage ecotonal boundaries and
address varying intensities of weed invasion. Rehabilitation will also:

¢ Maintain and enhance visual amenity of the “green backdrop” to Noosa Heads;

e Screen existing and proposed houses;

e Protect and buffer rare and threatened species;

e Retain and protect wildlings and native seed stock;

e Provide erosion control; and

¢ Suppress weed growth.

5.1 ENVIRONMENTAL COVENANT

The environmental covenant (Figure 2) includes the wildlife corridor, the buffer to the creek and
land outside the development areas. The covenant area incorporates zones 2-6 which are all the
broad rehabilitation zones. The covenant area does not include the building intensive area.

5.2 ZONE 1: HILLSIDE ZONE

5.2.1 Existing Condition

This zone includes areas with a relatively healthy and intact native understorey overtopped by a
canopy dominated by Bribie Island Pine (Callitris columellaris). The understorey supports a
diversity of native shrubs, vines and herbaceous species. There are low to moderate levels of
weed invasion in this community, but is at risk of degradation from invasion from neighboring
areas.

5.2.2 Target Community

Given the condition of this zone it requires relatively little regeneration effort. The objective for
this area is:

To facilitate the ongoing recruitment and establishment of predominantly rainforest
species including appropriate hollow developing trees

5.2.3 Management Strategies

In order to maintain Zone | in a healthy and stable condition the management strategies outlined
in Table 1 are required.

 

Chenoweth EPLA 078103_Rehab_12_12_07.doc Dec ‘07