RFI - Ecological Assessment Report

 

SETTLERS COVE NOOSA
Landscape Master Plan

 

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20. SWALE SYSTEMS

Swale and ephemeral streams shall be integrated into the landscape as a treatment for
stormwater runoff or parts of treatment trains for irrigated gardens. This will be done in a
way to enhance the aesthetic value while allowing designed processes of infiltration and
vegetative filtration to function. Vegetation incorporated into swale systems shall be
dominated by native sedges and rushes with minimal maintenance requirements such
as mowing and fertilising. Refer to figures 5 & 6 (LM 04 & LM 05) for locations of swales
in Road Reserves for Single Residential & High Density Residential Lots respectively.

The opportunity to incorporate some shrubs and trees may arise to add structural
diversity and | aesthetic value. Group plantings of selected species and highly diverse
mixed arrangements is preferable to formal layouts.

Attention is required to appropriate selection as some species may not be appropriate
for locations in close proximity to pedestrian traffic for reasons of pedestrian nuisance
(including sharp leaf edges). Plantings recommended should include, where possible,
flora local to the site with regionally endemic species to be utilised in the balance.

Proposed Species for Inclusion —
Swales and Verges (Ground layer - Rushes & Sedges etc.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Botanical Name Common Name Spacings | Position
(mm)

\| Adiantum hispidulum Rough Maidenhair 300 -450 E
Alpinia caerulea Native Ginger 600 - 1200 E
Crinum pedunculatum Spider Lily 600 -1000 S.E
*Cyperus polystachyos Sedge 300 - 500 $s
‘Dianella spp. Flax Lily 300 - 500 S.E
*Gahnia clarkei Tall Sawsedge 450 - 600 Ss
*Gahnia sieberiana Sawsedge 600-1000 | S.E
lsolepis nodosa Knobby Club Rush 300 - 500 S.E
Juncus usitatus Common Rush 300 -500 S.E
*Lomandra confertifolia ssp Cushion Mat Rush 300 - 500 E
Lomanara longifolia Long-leaf Matt Rush 600 - 900 S.E
*Themeda triandra Kangaroo Grass 300 - 500 E
LandGraphics Maroochydore 04.05.2005
Landscape Architects and Environmental Planners PAGE 33