The group needs more volunteers to help clear weeds from the wetland area in Maylands.
Co-ordinator Penny Lee said the weeds were a fire hazard if they were allowed to dry out in summer but could also limit opportunities for native plants.
‘Young paperbark tree seedlings, for instance, often emerge during winter, only to be crowded out by annual weeds, which compete for sunlight, rain and nutrients,’ she said.
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READ NOW‘The reserve looks particularly attractive at this time of the year.
‘Water birds are numerous. A beautiful eastern great egret in breeding plumage has been seen repeatedly in the area lately, along with families of several different species of ducks.’