article_snippet: Vegetation has increased on the savannahs of Australia, Africa and South America as a result of increasing rainfall.
article_snippet: But He was surprised to discover the large expansion in vegetation due to higher rainfall on tropical savannas and shrublands in Australia, Africa and South America.
article_snippet: Savannas and shrublands are vulnerable to rainfall –
article_snippet: Researchers found a large expansion in vegetation due to higher rainfall on tropical savannas and shrublands in Australia, Africa and South America. 