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2008-12-18 15:40:58

Welsh scientists say a 25-year study suggests climate change might be hampering the recovery of Earth's rivers from the effects of acid rainfall. The research by Cardiff University Professor Steve Ormerod and biosciences researcher Isabelle Durance was undertaken in 14 middle-Wales rivers and involved assessing the number and variety of stream insects present each year. The scientists said they also measured concentrations of acid and other aspects of stream chemistry. With average acidity in...

2008-12-12 15:19:11

Climate change is hampering the long-term recovery of rivers from the effects of acid rain, as wet weather counteracts improvements, according to a new study by Cardiff University. The research, by Professor Steve Ormerod and Dr Isabelle Durance of the School of Biosciences, took place over a 25 year period around Llyn Brianne in mid-Wales. Their findings are published online today in the British Ecological Society's Journal of Applied Ecology. Carried out in 14 streams, the research involved...


Word of the Day
omphalos
  • The navel or umbilicus.
  • In Greek archaeology: A central boss, as on a shield, a bowl, etc.
  • A sacred stone in the temple of Apollo at Delphi, believed by the Greeks to mark the 'navel' or exact center-point of the earth.
'Omphalos' comes from the ancient Greek.
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