[ASC-media] Media Release: Fossil fuel’s ‘double whammy’ to wildlife
ARC CoE for Environmental Decisions (CEED) (via SciNews)
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Thu Oct 24 15:12:00 PDT 2013
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Fossil fuel’s ‘double whammy’ to wildlife
October 25, 2013 – for immediate release
The Earth’s richest areas for biodiversity – northern South America and the western Pacific Ocean – are threatened by future fossil fuel extraction.
In a new study published in the international journal Science, environmental scientists reveal that fossil fuel extraction can have a double impact on local and regional animals and plants.
“This double whammy includes the obvious, direct impacts and the more subtle – but often more damaging – indirect impacts,” said Professor Hugh Possingham and Dr Nathalie Butt of the ARC Centre of Excellence for Environmental Decisions (CEED) and The University of Queensland (UQ).
The researchers identified northern South America and the western Pacific Ocean as the areas of the world where the ‘double whammy’ may have the biggest impact, as both regions have high biodiversity and large fossil fuel reserves.
“The impacts of fossil fuel extraction on biodiversity have been underestimated because it is assumed that extraction sites have a small footprint relative to other human impacts, such as agriculture,” Professor Possingham said.
The researchers warn that oil demand is projected to increase by more than 30 per cent, natural gas by 53 per cent and coal by 50 per cent by 2035, and the world could lose significantly more of its dwindling wildlife if fossil fuel extraction continues without evidence-based environmental protection.
Dr Butt said the direct impacts of fossil fuel extraction included noise disturbance, pollution, destruction and fragmentation – splitting up forests or landscapes into fragments too small to sustain wildlife populations.
“Fossil fuel companies can try to return the area to its ‘original state’, but there are indirect impacts that continue long after the extraction, including the introduction of invasive species, soil erosion, water pollution and illegal hunting.”
“These indirect effects, caused largely by road and pipeline construction, can be far more damaging, and can extend for many kilometres from the mine or well,” Dr Butt said. “They can be caused by even small scale extraction, and because they’re often off-site, the damage is usually done by the time we can measure it.
“It is critical that international environmental organisations play an active role in ensuring that the extraction takes place according to best practice, ideally avoids areas of high biodiversity and that the trade-offs between biodiversity and development have been considered carefully at a global scale.”
Professor Possingham said: “Before operations start, companies, scientists and local communities need to develop firm plans for different scenarios, such as determining a point when extraction should cease immediately, when mining companies should be fined, or when to start rehabilitating an area.
“Due to increasing worldwide demand for fossil fuels, extraction is going to be an unstoppable force. Recognising the 'double whammy' – direct and indirect threats to biodiversity from fossil fuel extraction – and identifying unfortunate overlaps, is essential in minimising the environmental damage.”
The study “Biodiversity risks from fossil fuel extraction” by N. Butt, H. L. Beyer, J. R. Bennett, D. Biggs, R. Maggini, M. Mills, A.R. Renwick, L. M. Seabrook and H. P. Possingham is published in the latest issue of Science. See: http://www.sciencemag.org/content/342/6157/425.summary?rss=1
CEED is the Australian Research Council Centre of Excellence for Environmental Decisions. CEED’s research tackles key gaps in environmental decision making, monitoring and adaptive management.
Professor Hugh Possingham, Director, CEED, +61 (0)434 079 061
Dr Nathalie Butt, CEED and UQ, +61(0)7 3365 1697 or +61(0)437 902 079
Melisa Lewins, CEED, +61 (0)7 3365 2450
Carolyn Varley, UQ media, +61 (0)7 3365 1120 c.varley at uq.edu.au
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