The UK should use its presidency of the G8 and EU to move forward international action to analyse future risks due to climate change and develop and implement evidence-based adaptation strategies for coping with the immediate impacts of climate change, the British Ecological Society has urged. Giving evidence to the House of Commons Environment, Food and Rural Affairs Committee on Wednesday 8 December 2004, Professor Alastair Fitter of York University and president of the British Ecological Society told the committee: “The current rate of anthropogenic climate change is exceptional and will have numerous impacts on biodiversity and ecosystems, interacting with other anthropogenic changes such as invasive species, habitat fragmentation, and nitrogen deposition to create synergistic effects.”
According to Professor Fitter, ecologists are already detecting the effects of climate change. “Between 1972 and 1999, British bird species extended their breeding ranges north by an average of 18.9 km in response to increasing mean annual temperatures at the northern end of their distribution. Hawthorn and hornbeam are coming into leaf earlier, and most spring-flowering plant species are flowering earlier – typically by around two weeks compared to pre-1990 means,” Professor Fitter explained.
Professor Fitter stressed that adaptation strategies must be based on the best available scientific evidence, and that to be successful their implementation will require much closer dialogue between scientists and policy makers. “New research is urgently needed on the impact of climate change on ecological systems, especially in relation to synergies with other threats to biodiversity, such as invasive species and habitat fragmentation, and to the integration of the natural and social science approaches to climate change impacts. A close dialogue needs to be developed between scientists and policy makers with regards to impacts and adaptation strategies.
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Physicists of the University of Würzburg have made an astonishing discovery in a specific type of topological insulators. The effect is due to the structure of the materials used. The researchers have now published their work in the journal Science.
Topological insulators are currently the hot topic in physics according to the newspaper Neue Zürcher Zeitung. Only a few weeks ago, their importance was...
In recent years, lasers with ultrashort pulses (USP) down to the femtosecond range have become established on an industrial scale. They could advance some applications with the much-lauded “cold ablation” – if that meant they would then achieve more throughput. A new generation of process engineering that will address this issue in particular will be discussed at the “4th UKP Workshop – Ultrafast Laser Technology” in April 2017.
Even back in the 1990s, scientists were comparing materials processing with nanosecond, picosecond and femtosesecond pulses. The result was surprising:...
Have you ever wondered how you see the world? Vision is about photons of light, which are packets of energy, interacting with the atoms or molecules in what...
A multi-institutional research collaboration has created a novel approach for fabricating three-dimensional micro-optics through the shape-defined formation of porous silicon (PSi), with broad impacts in integrated optoelectronics, imaging, and photovoltaics.
Working with colleagues at Stanford and The Dow Chemical Company, researchers at the University of Illinois at Urbana-Champaign fabricated 3-D birefringent...
In experiments with magnetic atoms conducted at extremely low temperatures, scientists have demonstrated a unique phase of matter: The atoms form a new type of quantum liquid or quantum droplet state. These so called quantum droplets may preserve their form in absence of external confinement because of quantum effects. The joint team of experimental physicists from Innsbruck and theoretical physicists from Hannover report on their findings in the journal Physical Review X.
“Our Quantum droplets are in the gas phase but they still drop like a rock,” explains experimental physicist Francesca Ferlaino when talking about the...
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