A breakthrough study conducted by Australian researchers found that even tiny green spaces contribute to biodiversity. Anchored in a 195-square-meter plot nook in Melbourne, Australia, the research team found that planting just 12 indigenous plant species in that little plot amped up insect diversity seven-fold over three years. Dr. Luis Mata of the University of Melbourne, who led the study, says "...no matter how small your intervention, you're going to derive a good positive ecological outcome" -- a rallying call to city gardeners to start sowing native plants. So, next time you plant, remember -- it's not just a garden, it's a mini-biodiversity hotbed.

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