South Australia's famed wine regions preparing for the squeeze of climate change

Wayne Farquhar bought his first Barossa Valley vineyard in the 1970s. He had a very practical reason for doing so.

Winemaker Wayne Farquhar inspects grapes in his Barossa Valley vineyard.

"I don't like drinking beer at all," Mr Farquhar said. "I grew up drinking wine and I wanted to make my own."

In his time he's seen growing conditions become more unpredictable.

It's reinforced his concern climate change may threaten some Barossa wine drinkers' favourite drops.

"We still have pockets of Chardonnay, we've got pockets of Riesling, we have Roussanne and Marsanne," Mr Farquhar said.

Read the ABC News story by Simon Royal - “South Australia's famed wine regions preparing for the squeeze of climate change.”