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Australian Desert Explodes in Life After Record Floods
24 Oct
Summary
- Monsoon floods transformed Australia's desert landscape, bringing vibrant green life.
- Kati Thanda-Lake Eyre is experiencing a transformation not seen since 1974.
- Rare desert blooms are attracting diverse birdlife, despite challenges.
A remarkably wet monsoon season has caused widespread flooding across parts of Australia, but has also dramatically transformed Kati Thanda-Lake Eyre. The desert landscape, typically arid, is now covered in lush vegetation including wattles, saltbush, and grasses. This vibrant transformation is occurring because heavy rainfall, nearly 50% above average, has filled major river systems.
These rivers, including the Georgina, Diamantina, and Cooper Creek, flow into Kati Thanda-Lake Eyre, Australia's largest lake by surface area. The influx of water is creating a spectacle not witnessed since 1974. The lake, which is endorheic and empties by evaporation, often turns into a vast salt plain.
This event has led to a resurgence of life. Zooplankton and phytoplankton eggs hatch, creating a rich food source for fish and subsequently attracting diverse birdlife. Thousands of pelicans have been observed, though some chick mortality is attributed to food scarcity as salinity increases. Other waterbirds like terns and stilts are also present.
The floodwaters have also impacted other areas, with the Diamantina river system causing devastation and flooding again this year. Cooper Creek, tracing part of its path back to the lake, teems with waterbirds. However, this ephemeral bloom is expected to recede as hotter, drier conditions approach.
