Res­i­dents turn green over lake

Tweed Daily News - - NEWS - Ais­ling Brennan ais­ling.brennan@tweed­dai­lynews.com.au

OB­NOX­IOUS aquatic weeds are turn­ing some Banora Point res­i­dents green at the sight of its rapid growth.

Fol­low­ing com­plaints from lo­cal res­i­dents, Tweed Shire Coun­cil con­firmed the salvinia weed in Vin­tage Lakes, Banora Point, has been grow­ing rapidly in the last few weeks as a re­sult of warm wa­ter con­di­tions.

“Its growth rate should slow sig­nif­i­cantly now that tem­per­a­tures are drop­ping,” a coun­cil spokesper­son said.

“It grows well in Vin­tage Lakes be­cause it has a high level of nu­tri­ents in the wa­ter and is rel­a­tively warm wa­ter.

“Rain­fall since the end of March has been low so flush­ing of drains/lakes has been re­duced.”

Fol­low­ing on­go­ing con­cerns from res­i­dents about the im­pact to wildlife, the coun­cil last Novem­ber com­mit­ted an ex­tra $300,000 to fix­ing the an­nual weed prob­lem – which brings the to­tal spend to $750,000 – and pro­vide ex­tra weed har­vest­ing.

“Main­te­nance has im­proved con­di­tions, par­tic­u­larly in up­per reaches around Avon­dale Dr and Green­vale Ct,” a coun­cil spokesper­son said.

“Weed har­vest­ing as­sists but large rain events are the best in­put for wa­ter qual­ity and push­ing salvinia out of the sys­tem.”

The coun­cil also plans to plant ex­tra trees to help lower wa­ter tem­per­a­tures.

❝ Its growth rate should slow sig­nif­i­cantly now that tem­per­a­tures are drop­ping ...

— Tweed Shire Coun­cil spokesper­son

PHOTO: JOHN GASS

WEED PROB­LEM: A salvinia build-up in the wa­ter on the corner of Botan­i­cal Cct and Port Dr at Banora Point last week has caused some con­cern in the com­mu­nity.

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